Merge branch 'feature/crypto-spi' into feature/optimize-tx-tree

source/crypto/crypto-adv/pom.xml

@@ -27,20 +27,6 @@
 			<version>${project.version}</version>
 		</dependency>
 
-		<dependency>
-			<groupId>org.powermock</groupId>
-			<artifactId>powermock-module-junit4</artifactId>
-			<version>1.6.2</version>
-			<scope>test</scope>
-		</dependency>
-
-		<dependency>
-			<groupId>org.powermock</groupId>
-			<artifactId>powermock-api-mockito</artifactId>
-			<version>1.6.2</version>
-			<scope>test</scope>
-		</dependency>
-
 		<dependency>
 			<groupId>net.i2p.crypto</groupId>
 			<artifactId>eddsa</artifactId>
@@ -52,11 +38,6 @@
 			<version>5.1.0</version>
 		</dependency>
 
-		<dependency>
-			<groupId>org.mockito</groupId>
-			<artifactId>mockito-core</artifactId>
-			<scope>test</scope>
-		</dependency>
 		<dependency>
 			<groupId>com.jd.blockchain</groupId>
 			<artifactId>crypto-framework</artifactId>

source/crypto/crypto-adv/src/main/java/com/jd/blockchain/crypto/mpc/MultiSum.java

@@ -2,85 +2,89 @@ package com.jd.blockchain.crypto.mpc;
 
 import java.math.BigInteger;
 
+import com.jd.blockchain.crypto.paillier.PaillierPublicKeyParameters;
+import com.jd.blockchain.crypto.paillier.PaillierUtils;
 import org.bouncycastle.crypto.AsymmetricCipherKeyPair;
-import org.bouncycastle.crypto.CipherParameters;
 import org.bouncycastle.crypto.agreement.ECDHBasicAgreement;
 import org.bouncycastle.crypto.params.ECDomainParameters;
 import org.bouncycastle.crypto.params.ECPrivateKeyParameters;
 import org.bouncycastle.crypto.params.ECPublicKeyParameters;
 import org.bouncycastle.math.ec.ECCurve;
 import org.bouncycastle.math.ec.ECPoint;
-import org.bouncycastle.util.encoders.Hex;
 
-import com.jd.blockchain.crypto.paillier.KeyPair;
-import com.jd.blockchain.crypto.paillier.PaillierUtils;
-import com.jd.blockchain.crypto.paillier.PublicKey;
 import com.jd.blockchain.crypto.utils.sm.SM2Utils;
 import com.jd.blockchain.crypto.utils.sm.SM3Utils;
 import com.jd.blockchain.utils.io.BytesUtils;
 
 public class MultiSum {
 
-    private ECPrivateKeyParameters ePrivKey;
-    private ECPublicKeyParameters ePubKey;
-    private ECCurve curve;
-    private ECDomainParameters domainParams;
+    private static byte[] ePrivKey;
+    private static byte[] ePubKey;
+    private static ECCurve curve;
+    private static ECDomainParameters domainParams;
 
-    public void generateEphemeralKeyPair(){
+    public static void generateEphemeralKeyPair(){
         AsymmetricCipherKeyPair eKeyPair = SM2Utils.generateKeyPair();
-        this.ePrivKey = (ECPrivateKeyParameters) eKeyPair.getPrivate();
-        this.ePubKey  = (ECPublicKeyParameters) eKeyPair.getPublic();
-        this.curve = SM2Utils.getCurve();
-        this.domainParams = SM2Utils.getDomainParams();
-
+        ECPrivateKeyParameters ecPrivKey = (ECPrivateKeyParameters) eKeyPair.getPrivate();
+        ECPublicKeyParameters ecPubKey= (ECPublicKeyParameters) eKeyPair.getPublic();
+        ePrivKey = bigIntegerToBytes(ecPrivKey.getD());
+        ePubKey  = ecPubKey.getQ().getEncoded(false);
+        curve = SM2Utils.getCurve();
+        domainParams = SM2Utils.getDomainParams();
     }
 
-    public BigInteger calculateAgreement(CipherParameters otherEPubKey){
+    public static byte[] calculateAgreement(byte[] otherEPubKey, byte[] ePrivKey){
         ECDHBasicAgreement basicAgreement = new ECDHBasicAgreement();
-        basicAgreement.init(ePrivKey);
-        return basicAgreement.calculateAgreement(otherEPubKey);
+        ECPoint ePubKeyPoint = resolvePubKeyBytes(otherEPubKey);
+        ECPublicKeyParameters pubKey = new ECPublicKeyParameters(ePubKeyPoint, domainParams);
+        ECPrivateKeyParameters privateKey = new ECPrivateKeyParameters(new BigInteger(1,ePrivKey), domainParams);
+
+        basicAgreement.init(privateKey);
+        BigInteger agreement = basicAgreement.calculateAgreement(pubKey);
+        return bigIntegerToBytes(agreement);
     }
 
-    public static BigInteger deriveShares(byte[] frontID, byte[] rearID, BigInteger agreement){
-        byte[] agreementBytes = agreement.toByteArray();
+    public static byte[] deriveShares(byte[] frontID, byte[] rearID, byte[] agreementBytes){
         byte[] inputBytes = BytesUtils.concat(frontID,rearID,agreementBytes);
-        return new BigInteger(1,SM3Utils.hash(inputBytes));
+        return SM3Utils.hash(inputBytes);
     }
 
-    public static BigInteger encryptBlindedMsg(PublicKey encKey, BigInteger msg, BigInteger frontShare, BigInteger rearShare){
-        return encKey.encrypt(msg.add(frontShare).subtract(rearShare).mod(encKey.getN()));
+    public static byte[] encryptBlindedMsg(byte[] paillierPubKey, int input, byte[] frontShare, byte[] rearShare){
+        BigInteger integer = BigInteger.valueOf(input);
+        BigInteger frontInteger = new BigInteger(1,frontShare);
+        BigInteger rearInteger = new BigInteger(1,rearShare);
+        PaillierPublicKeyParameters encKey = PaillierUtils.bytes2PubKey(paillierPubKey);
+        BigInteger modulus = encKey.getModulus();
+        BigInteger plaintext = integer.add(frontInteger).subtract(rearInteger).mod(modulus);
+        return PaillierUtils.encrypt(plaintext.toByteArray(),encKey);
     }
 
-    public static BigInteger aggregateCiphertexts(PublicKey encKey, BigInteger... bigIntegersList){
-        BigInteger aggregatedCiphertext = BigInteger.ONE;
-        for (BigInteger entry : bigIntegersList) {
-            aggregatedCiphertext = aggregatedCiphertext.multiply(entry).mod(encKey.getnSquared());
-        }
-        return aggregatedCiphertext;
+    public static byte[] aggregateCiphertexts(byte[] paillierPubKey, byte[]... ciphertexts){
+        return PaillierUtils.add(paillierPubKey,ciphertexts);
     }
 
-    public static BigInteger decrypt(KeyPair keyPair, BigInteger ciphertext){
-        return keyPair.decrypt(ciphertext);
+    public static byte[] decrypt(byte[] paillierPrivKey, byte[] ciphertext){
+        return PaillierUtils.decrypt(ciphertext,paillierPrivKey);
     }
 
-    public ECPublicKeyParameters getEPubKey(){return ePubKey;}
-
-    public ECPrivateKeyParameters getEPrivKey(){return ePrivKey;}
+    public static byte[] getEPubKey(){return ePubKey;}
 
+    public static byte[] getEPrivKey(){return ePrivKey;}
 
-    public byte[] getEPubKeyBytes(){
-        byte[] ePubKeyBytes = new byte[65];
-        byte[] ePubKeyBytesX = ePubKey.getQ().getAffineXCoord().getEncoded();
-        byte[] ePubKeyBytesY = ePubKey.getQ().getAffineYCoord().getEncoded();
-        System.arraycopy(Hex.decode("04"),0,ePubKeyBytes,0,1);
-        System.arraycopy(ePubKeyBytesX,0,ePubKeyBytes,1,32);
-        System.arraycopy(ePubKeyBytesY,0,ePubKeyBytes,1+32,32);
-        return ePubKeyBytes;
-    }
 
-    public byte[] getEPrivKeyBytes(){
-        return PaillierUtils.BigIntegerToLBytes(ePrivKey.getD(),32);
-    }
+//    public byte[] getEPubKeyBytes(){
+//        byte[] ePubKeyBytes = new byte[65];
+//        byte[] ePubKeyBytesX = ePubKey.getQ().getAffineXCoord().getEncoded();
+//        byte[] ePubKeyBytesY = ePubKey.getQ().getAffineYCoord().getEncoded();
+//        System.arraycopy(Hex.decode("04"),0,ePubKeyBytes,0,1);
+//        System.arraycopy(ePubKeyBytesX,0,ePubKeyBytes,1,32);
+//        System.arraycopy(ePubKeyBytesY,0,ePubKeyBytes,1+32,32);
+//        return ePubKeyBytes;
+//    }
+//
+//    public byte[] getEPrivKeyBytes(){
+//        return bigIntegerToBytes(ePrivKey.getD());
+//    }
 
     public ECPublicKeyParameters resolveEPubKey(byte[] ePubKeyBytes){
         byte[] ePubKeyX = new byte[32];
@@ -95,4 +99,22 @@ public class MultiSum {
         return new ECPrivateKeyParameters(new BigInteger(1,ePrivKeyBytes),domainParams);
     }
 
+    // To convert BigInteger to byte[] whose length is l
+    private static byte[] bigIntegerToBytes(BigInteger b){
+        byte[] tmp = b.toByteArray();
+        byte[] result = new byte[32];
+        if (tmp.length > result.length) {
+            System.arraycopy(tmp, tmp.length - result.length, result, 0, result.length);
+        }
+        else {
+            System.arraycopy(tmp,0,result,result.length-tmp.length,tmp.length);
+        }
+        return result;
+    }
+
+    // To retrieve the public key point from publicKey in byte array mode
+    private static ECPoint resolvePubKeyBytes(byte[] publicKey){
+        return curve.decodePoint(publicKey);
+    }
+
 }

source/crypto/crypto-adv/src/main/java/com/jd/blockchain/crypto/paillier/KeyPair.java

@@ -1,98 +0,0 @@
-package com.jd.blockchain.crypto.paillier;
-
-import java.math.BigInteger;
-import java.util.List;
-
-import com.jd.blockchain.utils.io.BytesUtils;
-
-/**
- * The MIT License (MIT)
- *
- * Copyright (c) 2014 Hendrik Kunert
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-/**
- * A class that holds a pair of associated public and private keys.
- */
-public class KeyPair {
-    private final PrivateKey privateKey;
-    private final PublicKey publicKey;
-    private final BigInteger upperBound;
-
-    public KeyPair(PrivateKey privateKey, PublicKey publicKey, BigInteger upperBound) {
-        this.privateKey = privateKey;
-        this.publicKey = publicKey;
-        this.upperBound = upperBound;
-    }
-
-    public KeyPair(byte[] privKeyBytes,byte[] pubKeyBytes,byte[] upperBoundBytes){
-        this.privateKey = new PrivateKey(privKeyBytes);
-        this.publicKey = new PublicKey(pubKeyBytes);
-        this.upperBound = new BigInteger(upperBoundBytes);
-    }
-
-    public KeyPair(byte[] keyPairBytes){
-        List<byte[]> list = PaillierUtils.split(keyPairBytes, "##KeyPair##".getBytes());
-        this.privateKey = new PrivateKey(list.get(0));
-        this.publicKey = new PublicKey(list.get(1));
-        this.upperBound = new BigInteger(list.get(2));
-    }
-
-    public PrivateKey getPrivateKey() {
-        return privateKey;
-    }
-
-    public PublicKey getPublicKey() {
-        return publicKey;
-    }
-
-    public BigInteger getUpperBound() { return upperBound; }
-
-    /**
-     * Decrypts the given ciphertext.
-     *
-     * @param c The ciphertext that should be decrypted.
-     * @return The corresponding plaintext. If an upper bound was given to {@link KeyPairBuilder},
-     * the result can also be negative. See {@link KeyPairBuilder#upperBound(BigInteger)} for details.
-     */
-    public final BigInteger decrypt(BigInteger c) {
-
-        BigInteger n = publicKey.getN();
-        BigInteger nSquare = publicKey.getnSquared();
-        BigInteger lambda = privateKey.getLambda();
-
-        BigInteger u = privateKey.getPreCalculatedDenominator();
-
-        BigInteger p = c.modPow(lambda, nSquare).subtract(BigInteger.ONE).divide(n).multiply(u).mod(n);
-
-        if (upperBound != null && p.compareTo(upperBound) > 0) {
-            p = p.subtract(n);
-        }
-
-        return p;
-    }
-
-    public byte[] getUpperBoundBytes(){ return upperBound.toByteArray(); }
-
-    public byte[] getKeyPairBytes(){
-        return BytesUtils.concat(privateKey.getPrivKeyBytes(),"##KeyPair##".getBytes(),publicKey.getPubKeyBytes(),"##KeyPair##".getBytes(),upperBound.toByteArray());
-    }
-}

source/crypto/crypto-adv/src/main/java/com/jd/blockchain/crypto/paillier/KeyPairBuilder.java

@@ -1,165 +0,0 @@
-package com.jd.blockchain.crypto.paillier;
-
-import java.math.BigInteger;
-import java.security.SecureRandom;
-import java.util.Random;
-/**
- * The MIT License (MIT)
- *
- * Copyright (c) 2014 Hendrik Kunert
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-/**
- * A class that is used for generating a pair of associated public and private
- * keys.
- *
- * @see KeyPair
- */
-public class KeyPairBuilder {
-
-    private int bits = 1024;
-
-    private int certainty = 0;
-
-    private Random rng;
-
-    private BigInteger upperBound;
-
-    /**
-     * Sets the size of the key to be created.
-     * <p>
-     * The default size is 1024 bits.
-     *
-     * @param bits The size of the key in bits.
-     * @return This instance of KeyPairBuilder for method chaining.
-     */
-    public KeyPairBuilder bits(int bits) {
-        this.bits = bits;
-        return this;
-    }
-
-    /**
-     * See {@link BigInteger#BigInteger(int, int, Random)} for more details.
-     * <p>
-     * The default value is 0.
-     *
-     * @return This instance of KeyPairBuilder for method chaining.
-     */
-    public KeyPairBuilder certainty(int certainty) {
-        this.certainty = certainty;
-        return this;
-    }
-
-    /**
-     * Sets the random number generator that is used for the generation of
-     * internally needed prime numbers.
-     * <p>
-     * The default is {@link SecureRandom}.
-     * <p>
-     * <b>Warning:</b>
-     * The change of this value affects the security of the whole cryptographic
-     * system.
-     *
-     * @param rng The random number generator that should be used instead of
-     *            {@link SecureRandom}.
-     * @return This instance of KeyPairBuilder for method chaining.
-     */
-    public KeyPairBuilder randomNumberGenerator(Random rng) {
-        this.rng = rng;
-        return this;
-    }
-
-    /**
-     * Sets an upper bound that is used for decrypting ciphertexts representing a negative value.
-     * <p>
-     * In most cases the upper bound should be the same as of the underlying number system -
-     * for example {@link Integer#MAX_VALUE}.
-     *
-     * @param b The upper bound.
-     * @return This instance of KeyPairBuilder for method chaining.
-     */
-    public KeyPairBuilder upperBound(BigInteger b) {
-        this.upperBound = b;
-        return this;
-    }
-
-    /**
-     * Creates a pair of associated public and private keys.
-     *
-     * @return The pair of associated public and private keys.
-     */
-    public KeyPair generateKeyPair() {
-        if (rng == null) {
-            rng = new SecureRandom();
-        }
-
-        BigInteger p, q;
-        int length = bits / 2;
-        if (certainty > 0) {
-            p = new BigInteger(length, certainty, rng);
-            q = new BigInteger(length, certainty, rng);
-        } else {
-            p = BigInteger.probablePrime(length, rng);
-            q = BigInteger.probablePrime(length, rng);
-        }
-
-        BigInteger n = p.multiply(q);
-        BigInteger nSquared = n.multiply(n);
-
-        BigInteger pMinusOne = p.subtract(BigInteger.ONE);
-        BigInteger qMinusOne = q.subtract(BigInteger.ONE);
-
-        BigInteger lambda = this.lcm(pMinusOne, qMinusOne);
-
-        BigInteger g;
-        BigInteger helper;
-
-        do {
-            g = new BigInteger(bits, rng);
-            helper = calculateL(g.modPow(lambda, nSquared), n);
-
-        } while (!helper.gcd(n).equals(BigInteger.ONE));
-
-        PublicKey publicKey = new PublicKey(n, nSquared, g, bits);
-        PrivateKey privateKey = new PrivateKey(lambda, helper.modInverse(n));
-
-        return new KeyPair(privateKey, publicKey, upperBound);
-
-    }
-
-    // TODO separate this somewhere
-    private BigInteger calculateL(BigInteger u, BigInteger n) {
-        BigInteger result = u.subtract(BigInteger.ONE);
-        result = result.divide(n);
-        return result;
-    }
-
-    // TODO add to own BigInteger extended class
-    private BigInteger lcm(BigInteger a, BigInteger b) {
-        BigInteger result;
-        BigInteger gcd = a.gcd(b);
-
-        result = a.abs().divide(gcd);
-        result = result.multiply(b.abs());
-
-        return result;
-    }
-}

source/crypto/crypto-adv/src/main/java/com/jd/blockchain/crypto/paillier/PaillierKeyPairGenerator.java

@@ -0,0 +1,51 @@
+package com.jd.blockchain.crypto.paillier;
+
+import org.bouncycastle.crypto.AsymmetricCipherKeyPair;
+import org.bouncycastle.math.Primes;
+import org.bouncycastle.util.BigIntegers;
+
+import java.math.BigInteger;
+import java.security.SecureRandom;
+
+/**
+ * @author zhanglin33
+ * @title: PaillierKeyPairGenerator
+ * @description: generator of paillier key pair
+ * @date 2019-04-30, 14:48
+ */
+public class PaillierKeyPairGenerator {
+
+    private static final int STRENGTH = 2048;
+
+    public AsymmetricCipherKeyPair generateKeyPair() {
+
+        int pLength = (STRENGTH + 1) / 2;
+        int qLength = STRENGTH - pLength;
+
+        BigInteger p;
+        BigInteger q;
+        BigInteger n;
+
+        do {
+            do {
+                SecureRandom pRandom = new SecureRandom();
+                p = BigIntegers.createRandomPrime(pLength, 1, pRandom);
+            } while (!isProbablePrime(p));
+            do {
+                SecureRandom qRandom = new SecureRandom();
+                q = BigIntegers.createRandomPrime(qLength, 1, qRandom);
+            } while (q.equals(p) || !isProbablePrime(p));
+            n = q.multiply(p);
+        } while (n.bitLength() != STRENGTH);
+
+        return new AsymmetricCipherKeyPair(new PaillierPublicKeyParameters(n), new PaillierPrivateKeyParameters(p,q));
+    }
+
+    // Primes class for FIPS 186-4 C.3 primality checking
+    private boolean isProbablePrime(BigInteger x)
+    {
+        int iterations = 3;
+        SecureRandom random = new SecureRandom();
+        return !Primes.hasAnySmallFactors(x) && Primes.isMRProbablePrime(x, random, iterations);
+    }
+}

source/crypto/crypto-adv/src/main/java/com/jd/blockchain/crypto/paillier/PaillierPrivateKeyParameters.java

@@ -0,0 +1,101 @@
+package com.jd.blockchain.crypto.paillier;
+
+import org.bouncycastle.crypto.params.AsymmetricKeyParameter;
+
+import java.math.BigInteger;
+
+import static org.bouncycastle.util.BigIntegers.ONE;
+
+/**
+ * @author zhanglin33
+ * @title: PaillierPrivateKeyParameters
+ * @description: parameters about Paillier private key
+ * @date 2019-04-30, 14:39
+ */
+public class PaillierPrivateKeyParameters extends AsymmetricKeyParameter {
+
+    private BigInteger p;
+
+    private BigInteger q;
+
+    private BigInteger pSquared;
+
+    private BigInteger qSquared;
+
+    private BigInteger pInverse;
+
+    private BigInteger muP;
+
+    private BigInteger muQ;
+
+    public PaillierPrivateKeyParameters(BigInteger p, BigInteger q) {
+        super(true);
+        BigInteger generator = p.multiply(q).add(ONE);
+        this.p = p;
+        this.pSquared = p.multiply(p);
+        this.q = q;
+        this.qSquared = q.multiply(q);
+        this.pInverse = p.modInverse(q);
+        this.muP = hFunction(generator, p, pSquared);
+        this.muQ = hFunction(generator, q, qSquared);
+    }
+
+    public PaillierPrivateKeyParameters(BigInteger p, BigInteger pSquared, BigInteger q, BigInteger qSquared,
+                                        BigInteger pInverse, BigInteger muP, BigInteger muQ){
+        super(true);
+        this.p = p;
+        this.pSquared = pSquared;
+        this.q = q;
+        this.qSquared = qSquared;
+        this.pInverse = pInverse;
+        this.muP = muP;
+        this.muQ = muQ;
+    }
+
+
+    // mu = h(x) = (L(g^(x-1) mod x^2))^(-1) mod n
+    private BigInteger hFunction(BigInteger generator, BigInteger x, BigInteger xSquared) {
+        BigInteger phiX = lFunction(generator.modPow(x.subtract(ONE),xSquared),x);
+        return phiX.modInverse(x);
+    }
+
+    // L(x) = (x-1) / n
+    public BigInteger lFunction(BigInteger x, BigInteger n) {
+        return x.subtract(ONE).divide(n);
+    }
+
+    public BigInteger getP()
+    {
+        return p;
+    }
+
+    public BigInteger getPSquared()
+    {
+        return pSquared;
+    }
+
+    public BigInteger getQ()
+    {
+        return q;
+    }
+
+    public BigInteger getQSquared()
+    {
+        return qSquared;
+    }
+
+    public BigInteger getPInverse()
+    {
+        return pInverse;
+    }
+
+    public BigInteger getMuP()
+    {
+        return muP;
+    }
+
+    public BigInteger getMuQ()
+    {
+        return muQ;
+    }
+}

source/crypto/crypto-adv/src/main/java/com/jd/blockchain/crypto/paillier/PaillierPublicKeyParameters.java

@@ -0,0 +1,59 @@
+package com.jd.blockchain.crypto.paillier;
+
+import org.bouncycastle.crypto.params.AsymmetricKeyParameter;
+
+import java.math.BigInteger;
+
+import static org.bouncycastle.util.BigIntegers.ONE;
+
+/**
+ * @author zhanglin33
+ * @title: PaillierPublicKeyParameters
+ * @description: parameters about Paillier public key
+ * @date 2019-04-30, 14:41
+ */
+public class PaillierPublicKeyParameters extends AsymmetricKeyParameter {
+
+    private BigInteger modulus;
+    private BigInteger modulusSquared;
+    private BigInteger generator;
+
+    public PaillierPublicKeyParameters(BigInteger modulus) {
+        super(false);
+        this.modulus = validate(modulus);
+        this.modulusSquared = modulus.multiply(modulus);
+        this.generator = modulus.add(ONE);
+    }
+
+    public BigInteger getModulus() {
+        return modulus;
+    }
+
+    public BigInteger getModulusSquared() {
+        return modulusSquared;
+    }
+
+    public BigInteger getGenerator() {
+        return generator;
+    }
+
+    private BigInteger validate(BigInteger modulus)
+    {
+        if ((modulus.intValue() & 1) == 0)
+        {
+            throw new IllegalArgumentException("The modulus is even!");
+        }
+
+        // the value is the product of the 132 smallest primes from 3 to 751
+        if (!modulus.gcd(new BigInteger("145188775577763990151158743208307020242261438098488931355057091965" +
+                "931517706595657435907891265414916764399268423699130577757433083166" +
+                "651158914570105971074227669275788291575622090199821297575654322355" +
+                "049043101306108213104080801056529374892690144291505781966373045481" +
+                "8359472391642885328171302299245556663073719855")).equals(ONE))
+        {
+            throw new IllegalArgumentException("The modulus has a small prime factor!");
+        }
+
+        return modulus;
+    }
+}

source/crypto/crypto-adv/src/main/java/com/jd/blockchain/crypto/paillier/PaillierUtils.java

@@ -1,16 +1,200 @@
 package com.jd.blockchain.crypto.paillier;
 
+import com.jd.blockchain.utils.io.BytesUtils;
+import org.bouncycastle.crypto.AsymmetricCipherKeyPair;
+
 import java.math.BigInteger;
-import java.util.Arrays;
-import java.util.LinkedList;
-import java.util.List;
+import java.security.SecureRandom;
+
+import static org.bouncycastle.util.BigIntegers.ONE;
 
+/**
+ * @author zhanglin33
+ * @title: PaillierUtils
+ * @description: encryption, decryption, homomorphic addition and scalar multiplication in Paillier algorithm
+ * @date 2019-04-30, 14:49
+ */
 public class PaillierUtils {
 
-    // To convert BigInteger to byte[] whose length is l
-    public static byte[] BigIntegerToLBytes(BigInteger b, int l){
+    private static final int MODULUS_LENGTH = 256;
+    private static final int MODULUSSQUARED_LENGTH = 512;
+
+    private static final int P_LENGTH = 128;
+    private static final int PSQUARED_LENGTH = 256;
+    private static final int Q_LENGTH = 128;
+    private static final int QSQUARED_LENGTH = 256;
+    private static final int PINVERSE_LENGTH = 128;
+    private static final int MUP_LENGTH = 128;
+    private static final int MUQ_LENGTH = 128;
+
+    private static final int PRIVKEY_LENGTH = P_LENGTH + PSQUARED_LENGTH + Q_LENGTH + QSQUARED_LENGTH
+            + PINVERSE_LENGTH + MUP_LENGTH + MUQ_LENGTH;
+
+    public static AsymmetricCipherKeyPair generateKeyPair(){
+        PaillierKeyPairGenerator generator = new PaillierKeyPairGenerator();
+        return generator.generateKeyPair();
+    }
+
+    public static byte[] encrypt(byte[] plainBytes, byte[] publicKey) {
+        PaillierPublicKeyParameters pubKeyParams = bytes2PubKey(publicKey);
+        return encrypt(plainBytes, pubKeyParams);
+    }
+
+    public static byte[] encrypt(byte[] plainBytes, PaillierPublicKeyParameters pubKeyParams) {
+        SecureRandom random = new SecureRandom();
+        return encrypt(plainBytes, pubKeyParams, random);
+    }
+
+    // c = g^m * r^n mod n^2 = (1+n)^m * r^n mod n^2 = (1 + n*m mod n^2) * r^n mod n^2
+    public static byte[] encrypt(byte[] plainBytes, PaillierPublicKeyParameters pubKeyParams, SecureRandom random){
+
+        BigInteger n = pubKeyParams.getModulus();
+        BigInteger nSquared = pubKeyParams.getModulusSquared();
+
+        BigInteger m = new BigInteger(1,plainBytes);
+        BigInteger r = new BigInteger(n.bitLength(), random);
+
+        BigInteger rawCiphertext = n.multiply(m).add(ONE).mod(nSquared);
+        BigInteger c = r.modPow(n, nSquared).multiply(rawCiphertext).mod(nSquared);
+
+        return bigIntegerToBytes(c, MODULUSSQUARED_LENGTH);
+    }
+
+
+    public static byte[] decrypt(byte[] cipherBytes, byte[] privateKey) {
+        PaillierPrivateKeyParameters privKeyParams = bytes2PrivKey(privateKey);
+        return decrypt(cipherBytes,privKeyParams);
+    }
+    // m mod p = L(c^(p-1) mod p^2) * muP mod p
+    // m mod q = L(c^(q-1) mod q^2) * muQ mod q
+    // m = (m mod p) * (1/q mod p) * q + (m mod q) * (1/p mod q) * p
+    //   = ((m mod q)-(m mod p)) * (1/p mod q) mod q * p + (m mod p)
+    public static byte[] decrypt(byte[] cipherBytes, PaillierPrivateKeyParameters privKeyParams){
+
+        BigInteger cihphertext = new BigInteger(1, cipherBytes);
+
+        BigInteger p = privKeyParams.getP();
+        BigInteger pSquared = privKeyParams.getPSquared();
+        BigInteger q = privKeyParams.getQ();
+        BigInteger qSquared = privKeyParams.getQSquared();
+        BigInteger pInverse = privKeyParams.getPInverse();
+        BigInteger muP = privKeyParams.getMuP();
+        BigInteger muQ = privKeyParams.getMuQ();
+
+        BigInteger mModP =
+                privKeyParams.lFunction(cihphertext.modPow(p.subtract(ONE),pSquared),p).multiply(muP).mod(p);
+        BigInteger mModQ =
+                privKeyParams.lFunction(cihphertext.modPow(q.subtract(ONE),qSquared),q).multiply(muQ).mod(q);
+
+        BigInteger midValue = mModQ.subtract(mModP).multiply(pInverse).mod(q);
+        BigInteger m = midValue.multiply(p).add(mModP);
+
+        return m.toByteArray();
+    }
+
+
+    public static byte[] pubKey2Bytes(PaillierPublicKeyParameters pubKeyParams) {
+        BigInteger n = pubKeyParams.getModulus();
+        return bigIntegerToBytes(n, MODULUS_LENGTH);
+    }
+
+    public static PaillierPublicKeyParameters bytes2PubKey(byte[] publicKey) {
+
+        if (publicKey.length != MODULUS_LENGTH) {
+            throw new IllegalArgumentException("publicKey's length does not meet algorithm's requirement!");
+        }
+
+        BigInteger n = new BigInteger(1, publicKey);
+        return new PaillierPublicKeyParameters(n);
+    }
+
+
+    public static byte[] privKey2Bytes(PaillierPrivateKeyParameters privKeyParams) {
+
+        BigInteger p        = privKeyParams.getP();
+        BigInteger pSquared = privKeyParams.getPSquared();
+        BigInteger q        = privKeyParams.getQ();
+        BigInteger qSquared = privKeyParams.getQSquared();
+        BigInteger pInverse = privKeyParams.getPInverse();
+        BigInteger muP      = privKeyParams.getMuP();
+        BigInteger muQ      = privKeyParams.getMuQ();
+
+        byte[] pBytes        = bigIntegerToBytes(p, P_LENGTH);
+        byte[] pSquaredBytes = bigIntegerToBytes(pSquared, PSQUARED_LENGTH);
+        byte[] qBytes        = bigIntegerToBytes(q, Q_LENGTH);
+        byte[] qSquaredBytes = bigIntegerToBytes(qSquared, QSQUARED_LENGTH);
+        byte[] pInverseBytes = bigIntegerToBytes(pInverse, PINVERSE_LENGTH);
+        byte[] muPBytes      = bigIntegerToBytes(muP, MUP_LENGTH);
+        byte[] muQBytes      = bigIntegerToBytes(muQ, MUQ_LENGTH);
+
+        return BytesUtils.concat(pBytes,pSquaredBytes,qBytes,qSquaredBytes,pInverseBytes,muPBytes,muQBytes);
+    }
+
+    public static PaillierPrivateKeyParameters bytes2PrivKey(byte[] privateKey) {
+
+        if (privateKey.length != PRIVKEY_LENGTH) {
+            throw new IllegalArgumentException("privateKey's length does not meet algorithm's requirement!");
+        }
+
+        byte[] pBytes        = new byte[P_LENGTH];
+        byte[] pSquaredBytes = new byte[PSQUARED_LENGTH];
+        byte[] qBytes        = new byte[Q_LENGTH];
+        byte[] qSquaredBytes = new byte[QSQUARED_LENGTH];
+        byte[] pInverseBytes = new byte[PINVERSE_LENGTH];
+        byte[] muPBytes      = new byte[MUP_LENGTH];
+        byte[] muQBytes      = new byte[MUQ_LENGTH];
+
+        split(privateKey,pBytes,pSquaredBytes,qBytes,qSquaredBytes,pInverseBytes,muPBytes,muQBytes);
+
+        BigInteger p        = new BigInteger(1, pBytes);
+        BigInteger pSquared = new BigInteger(1, pSquaredBytes);
+        BigInteger q        = new BigInteger(1, qBytes);
+        BigInteger qSquared = new BigInteger(1, qSquaredBytes);
+        BigInteger pInverse = new BigInteger(1, pInverseBytes);
+        BigInteger muP      = new BigInteger(1, muPBytes);
+        BigInteger muQ      = new BigInteger(1, muQBytes);
+
+        return new PaillierPrivateKeyParameters(p,pSquared,q,qSquared,pInverse,muP,muQ);
+    }
+
+    public static byte[] add(byte[] publicKey, byte[]... ciphertexts) {
+        PaillierPublicKeyParameters pubKeyParams = bytes2PubKey(publicKey);
+        return add(pubKeyParams,ciphertexts);
+    }
+
+    public static byte[] add(PaillierPublicKeyParameters pubKeyParams, byte[]... ciphertexts) {
+
+        BigInteger result = ONE;
+        BigInteger multiplier;
+        BigInteger nSquared = pubKeyParams.getModulusSquared();
+        for (byte[] each: ciphertexts) {
+            multiplier = new BigInteger(1, each);
+            result = result.multiply(multiplier).mod(nSquared);
+        }
+
+        return bigIntegerToBytes(result, MODULUSSQUARED_LENGTH);
+    }
+
+    public static byte[] scalarMultiply(byte[] publicKey, byte[] cipherBytes, long scalar) {
+        PaillierPublicKeyParameters pubKeyParams = bytes2PubKey(publicKey);
+        return scalarMultiply(pubKeyParams,cipherBytes,scalar);
+    }
+
+    public static byte[] scalarMultiply(PaillierPublicKeyParameters pubKeyParams, byte[] cipherBytes, long scalar) {
+
+        BigInteger nSquared  = pubKeyParams.getModulusSquared();
+        BigInteger cihertext = new BigInteger(1, cipherBytes);
+        BigInteger exponent  = BigInteger.valueOf(scalar);
+
+        BigInteger result = cihertext.modPow(exponent,nSquared);
+
+        return bigIntegerToBytes(result, MODULUSSQUARED_LENGTH);
+    }
+
+    // To convert BigInteger to byte array in specified size
+    private static byte[] bigIntegerToBytes(BigInteger b, int bytesSize){
         byte[] tmp = b.toByteArray();
-        byte[] result = new byte[l];
+        byte[] result = new byte[bytesSize];
         if (tmp.length > result.length) {
             System.arraycopy(tmp, tmp.length - result.length, result, 0, result.length);
         }
@@ -20,42 +204,15 @@ public class PaillierUtils {
         return result;
     }
 
-    public static byte[] intToBytes(int i){
-        byte[] result = new byte[4];
-        result[0] = (byte) (i >> 24);
-        result[1] = (byte) (i >> 16);
-        result[2] = (byte) (i >> 8);
-        result[3] = (byte) (i);
-        return result;
-    }
-
-    public static int bytesToInt(byte[] array){
-        int result = 0;
-        result |= ((array[0] & 0xFF) << 24);
-        result |= ((array[1] & 0xFF) << 16);
-        result |= ((array[2] & 0xFF) << 8);
-        result |= ((array[3] & 0xFF));
-        return result;
-    }
+    private static void split(byte[] src, byte[]... bytesList) {
 
-    public static List<byte[]> split(byte[] array, byte[] delimiter) {
-        List<byte[]> byteArrays = new LinkedList<>();
-        if (delimiter.length == 0) {
-            return byteArrays;
-        }
-        int begin = 0;
-
-        outer:
-        for (int i = 0; i < array.length - delimiter.length + 1; i++) {
-            for (int j = 0; j < delimiter.length; j++) {
-                if (array[i + j] != delimiter[j]) {
-                    continue outer;
-                }
+        int srcPos = 0;
+        for (byte[] each: bytesList){
+            System.arraycopy(src,srcPos,each,0,each.length);
+            srcPos += each.length;
+            if (srcPos >= src.length){
+                break;
             }
-            byteArrays.add(Arrays.copyOfRange(array, begin, i));
-            begin = i + delimiter.length;
         }
-        byteArrays.add(Arrays.copyOfRange(array, begin, array.length));
-        return byteArrays;
     }
 }

source/crypto/crypto-adv/src/main/java/com/jd/blockchain/crypto/paillier/PrivateKey.java

@@ -1,75 +0,0 @@
-package com.jd.blockchain.crypto.paillier;
-
-import java.math.BigInteger;
-import java.util.List;
-/**
- * The MIT License (MIT)
- *
- * Copyright (c) 2014 Hendrik Kunert
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-import com.jd.blockchain.utils.io.BytesUtils;
-
-/**
- * A class that represents the private part of the Paillier key pair.
- */
-public class PrivateKey {
-
-    private final BigInteger lambda;
-    private final BigInteger preCalculatedDenominator;
-
-    public PrivateKey(BigInteger lambda, BigInteger preCalculatedDenominator) {
-        this.lambda = lambda;
-
-        this.preCalculatedDenominator = preCalculatedDenominator;
-    }
-
-    public PrivateKey(byte[] lambdaBytes, byte[] preCalculatedDenominatorBytes){
-        this.lambda = new BigInteger(lambdaBytes);
-        this.preCalculatedDenominator = new BigInteger(preCalculatedDenominatorBytes);
-    }
-
-    public PrivateKey(byte[] privKeyBytes){
-        List<byte[]> list = PaillierUtils.split(privKeyBytes, "##PrivateKey##".getBytes());
-        this.lambda = new BigInteger(list.get(0));
-        this.preCalculatedDenominator = new BigInteger(list.get(1));
-    }
-
-    public BigInteger getLambda() {
-        return lambda;
-    }
-
-    public BigInteger getPreCalculatedDenominator() {
-        return preCalculatedDenominator;
-    }
-
-    public byte[] getLambdaBytes(){
-        return lambda.toByteArray();
-    }
-
-    public byte[] getPreCalculatedDenominatorBytes(){
-        return preCalculatedDenominator.toByteArray();
-    }
-
-    public byte[] getPrivKeyBytes(){
-        return BytesUtils.concat(getLambdaBytes(),"##PrivateKey##".getBytes(),getPreCalculatedDenominatorBytes());
-    }
-}

source/crypto/crypto-adv/src/main/java/com/jd/blockchain/crypto/paillier/PublicKey.java

@@ -1,129 +0,0 @@
-package com.jd.blockchain.crypto.paillier;
-
-import java.math.BigInteger;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Random;
-/**
- * The MIT License (MIT)
- *
- * Copyright (c) 2014 Hendrik Kunert
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-import com.jd.blockchain.utils.io.ByteArray;
-import com.jd.blockchain.utils.io.BytesUtils;
-
-/**
- * A class that represents the public part of the Paillier key pair.
- * <p>
- * As in all asymmetric cryptographic systems it is responsible for the
- * encryption.
- * <p>
- * Additional instructions for the decryption can be found on {@link KeyPair}.
- *
- * @see KeyPair
- */
-public class PublicKey {
-    private final int bits;
-    private final BigInteger n;
-    private final BigInteger nSquared;
-    private final BigInteger g;
-
-    public PublicKey(BigInteger n, BigInteger nSquared, BigInteger g, int bits) {
-        this.n = n;
-        this.nSquared = nSquared;
-        this.bits = bits;
-        this.g = g;
-    }
-
-    public PublicKey(byte[] nBytes, byte[] nSquaredBytes, byte[] gBytes, byte[] bitsBytes) {
-        this.n = new BigInteger(nBytes);
-        this.nSquared = new BigInteger(nSquaredBytes);
-        this.g = new BigInteger(gBytes);
-        this.bits = PaillierUtils.bytesToInt(bitsBytes);
-    }
-
-    public PublicKey(byte[] pubKeyBytes){
-        List<byte[]> list = PaillierUtils.split(pubKeyBytes, "##PublicKey##".getBytes());
-        this.n = new BigInteger(list.get(0));
-        this.nSquared = new BigInteger(list.get(1));
-        this.g = new BigInteger(list.get(2));
-        this.bits = PaillierUtils.bytesToInt(list.get(3));
-    }
-
-
-    public int getBits() {
-        return bits;
-    }
-
-    public BigInteger getN() {
-        return n;
-    }
-
-    public BigInteger getnSquared() {
-        return nSquared;
-    }
-
-    public BigInteger getG() {
-        return g;
-    }
-
-    /**
-     * Encrypts the given plaintext.
-     *
-     * @param m The plaintext that should be encrypted.
-     * @return The corresponding ciphertext.
-     */
-    public final BigInteger encrypt(BigInteger m) {
-
-        BigInteger r;
-        do {
-            r = new BigInteger(bits, new Random());
-        } while (r.compareTo(n) >= 0);
-
-        BigInteger result = g.modPow(m, nSquared);
-        BigInteger x = r.modPow(n, nSquared);
-
-        result = result.multiply(x);
-        result = result.mod(nSquared);
-
-        return result;
-    }
-
-    public byte[] getBitsBytes(){
-        return PaillierUtils.intToBytes(bits);
-    }
-
-    public byte[] getNBytes(){ return n.toByteArray(); }
-
-    public byte[] getNSquaredBytes(){
-        return nSquared.toByteArray();
-    }
-
-    public byte[] getGBytes(){
-        return g.toByteArray();
-    }
-
-    public byte[] getPubKeyBytes(){
-        return BytesUtils.concat(getNBytes(),"##PublicKey##".getBytes(),getNSquaredBytes(),"##PublicKey##".getBytes(),getGBytes(),"##PublicKey##".getBytes(),getBitsBytes());
-    }
-}
-

source/crypto/crypto-adv/src/test/java/test/com/jd/blockchain/crypto/mpc/EqualVerifyTest.java

@@ -39,35 +39,29 @@ public class EqualVerifyTest {
         byte[] responderOutput;
         boolean isEqual;
 
-        int i;
 
-        for (i = 0; i < 1000; i++) {
+        sponsorInput   = 666;
+        responderInput = 666;
 
-            sponsorInput   = 666;
-            responderInput = 666;
-
-           sponsorOutput = EqualVerify.sponsor(sponsorInput,sponsorEPubKeyBytes);
-           responderOutput = EqualVerify.responder(responderInput,sponsorOutput,
+        sponsorOutput = EqualVerify.sponsor(sponsorInput,sponsorEPubKeyBytes);
+        responderOutput = EqualVerify.responder(responderInput,sponsorOutput,
                  responderEPubKeyBytes,responderEPrivKeyBytes);
 
-           isEqual = EqualVerify.sponsorCheck(sponsorInput,responderOutput,sponsorEPrivKeyBytes);
+        isEqual = EqualVerify.sponsorCheck(sponsorInput,responderOutput,sponsorEPrivKeyBytes);
 
-           assertTrue(isEqual);
-        }
+        assertTrue(isEqual);
 
-        for (i = 0; i < 1000; i++){
 
-            sponsorInput   = 666;
-            responderInput = 667;
+        sponsorInput   = 666;
+        responderInput = 667;
 
-            sponsorOutput = EqualVerify.sponsor(sponsorInput,sponsorEPubKeyBytes);
-            responderOutput = EqualVerify.responder(responderInput,sponsorOutput,
+        sponsorOutput = EqualVerify.sponsor(sponsorInput,sponsorEPubKeyBytes);
+        responderOutput = EqualVerify.responder(responderInput,sponsorOutput,
                     responderEPubKeyBytes,responderEPrivKeyBytes);
 
-            isEqual = EqualVerify.sponsorCheck(sponsorInput,responderOutput,sponsorEPrivKeyBytes);
+        isEqual = EqualVerify.sponsorCheck(sponsorInput,responderOutput,sponsorEPrivKeyBytes);
 
-            assertTrue(!isEqual);
-        }
-    }
+        assertTrue(!isEqual);
 
+    }
 }

source/crypto/crypto-adv/src/test/java/test/com/jd/blockchain/crypto/mpc/IntCompareTest.java

@@ -25,26 +25,21 @@ public class IntCompareTest {
         byte[][] cipherArray;
         byte[][] aggregatedCipherArray;
         int output;
-        int i;
-
-        for (i = 0; i < 1000; i++) {
-            int sponsorInput = 10000;
-            int responderInput = 9999;
-
-            cipherArray = IntCompare.sponsor(sponsorInput, pubKeyBytes);
-            aggregatedCipherArray = IntCompare.responder(responderInput, cipherArray, pubKeyBytes);
-            output = IntCompare.sponsorOutput(aggregatedCipherArray, privKeyBytes);
-            assertEquals(1, output);
-        }
-
-        for (i = 0; i < 1000; i++) {
-            int sponsorInput = 10000;
-            int responderInput = 19999;
-
-            cipherArray = IntCompare.sponsor(sponsorInput, pubKeyBytes);
-            aggregatedCipherArray = IntCompare.responder(responderInput, cipherArray, pubKeyBytes);
-            output = IntCompare.sponsorOutput(aggregatedCipherArray, privKeyBytes);
-            assertEquals(0, output);
-        }
+
+        int sponsorInput = 10000;
+        int responderInput = 9999;
+
+        cipherArray = IntCompare.sponsor(sponsorInput, pubKeyBytes);
+        aggregatedCipherArray = IntCompare.responder(responderInput, cipherArray, pubKeyBytes);
+        output = IntCompare.sponsorOutput(aggregatedCipherArray, privKeyBytes);
+        assertEquals(1, output);
+
+        sponsorInput = 10000;
+        responderInput = 19999;
+
+        cipherArray = IntCompare.sponsor(sponsorInput, pubKeyBytes);
+        aggregatedCipherArray = IntCompare.responder(responderInput, cipherArray, pubKeyBytes);
+        output = IntCompare.sponsorOutput(aggregatedCipherArray, privKeyBytes);
+        assertEquals(0, output);
     }
 }

source/crypto/crypto-adv/src/test/java/test/com/jd/blockchain/crypto/mpc/MultiSumTest.java

@@ -1,105 +1,88 @@
 package test.com.jd.blockchain.crypto.mpc;
 
 import com.jd.blockchain.crypto.mpc.MultiSum;
-import com.jd.blockchain.crypto.paillier.KeyPair;
-import com.jd.blockchain.crypto.paillier.KeyPairBuilder;
-import com.jd.blockchain.crypto.paillier.PublicKey;
-import org.bouncycastle.crypto.params.ECPrivateKeyParameters;
-import org.bouncycastle.crypto.params.ECPublicKeyParameters;
-import org.bouncycastle.util.encoders.Hex;
-import org.junit.Before;
+import com.jd.blockchain.crypto.paillier.PaillierPrivateKeyParameters;
+import com.jd.blockchain.crypto.paillier.PaillierPublicKeyParameters;
+import com.jd.blockchain.crypto.paillier.PaillierUtils;
+import org.bouncycastle.crypto.AsymmetricCipherKeyPair;
 import org.junit.Test;
 
-import java.math.BigInteger;
-
 import static org.junit.Assert.*;
 
 public class MultiSumTest {
 
-    private KeyPair keyPair;
-    private PublicKey encKey;
-
-    @Before
-    public void init() {
-        KeyPairBuilder keygen = new KeyPairBuilder();
-        keyPair = keygen.generateKeyPair();
-        encKey = keyPair.getPublicKey();
-    }
-    
     @Test
     public void testMultiSum() {
 
-        MultiSum instance1 = new MultiSum();
-        MultiSum instance2 = new MultiSum();
-        MultiSum instance3 = new MultiSum();
+        AsymmetricCipherKeyPair keyPair = PaillierUtils.generateKeyPair();
+        PaillierPublicKeyParameters pubKeyParams = (PaillierPublicKeyParameters) keyPair.getPublic();
+        PaillierPrivateKeyParameters privKeyParams = (PaillierPrivateKeyParameters) keyPair.getPrivate();
 
-        BigInteger value1 = BigInteger.valueOf(6);
-        BigInteger value2 = BigInteger.valueOf(60);
-        BigInteger value3 = BigInteger.valueOf(600);
-        BigInteger expectedSum = BigInteger.valueOf(666);
+        byte[] encKey = PaillierUtils.pubKey2Bytes(pubKeyParams);
+        byte[] decKey = PaillierUtils.privKey2Bytes(privKeyParams);
+
+        int int1 = 6;
+        int int2 = 60;
+        int int3 = 600;
+        int sum  = 666;
 
         byte[] id1 = "1".getBytes();
         byte[] id2 = "2".getBytes();
         byte[] id3 = "3".getBytes();
 
-        instance1.generateEphemeralKeyPair();
-        instance2.generateEphemeralKeyPair();
-        instance3.generateEphemeralKeyPair();
+        MultiSum.generateEphemeralKeyPair();
+        byte[] ePubKey1  = MultiSum.getEPubKey();
+        byte[] ePrivKey1 = MultiSum.getEPrivKey();
 
-        ECPublicKeyParameters ePubKey1 = instance1.getEPubKey();
-        ECPublicKeyParameters ePubKey2 = instance2.getEPubKey();
-        ECPublicKeyParameters ePubKey3 = instance3.getEPubKey();
+        MultiSum.generateEphemeralKeyPair();
+        byte[] ePubKey2  = MultiSum.getEPubKey();
+        byte[] ePrivKey2 = MultiSum.getEPrivKey();
 
-        BigInteger sk12 = instance1.calculateAgreement(ePubKey2);
-        BigInteger sk23 = instance2.calculateAgreement(ePubKey3);
-        BigInteger sk31 = instance1.calculateAgreement(ePubKey3);
+        MultiSum.generateEphemeralKeyPair();
+        byte[] ePubKey3  = MultiSum.getEPubKey();
+        byte[] ePrivKey3 = MultiSum.getEPrivKey();
 
-        assertEquals(sk12,instance2.calculateAgreement(ePubKey1));
-        assertEquals(sk23,instance3.calculateAgreement(ePubKey2));
-        assertEquals(sk31,instance3.calculateAgreement(ePubKey1));
 
-        BigInteger s12 = MultiSum.deriveShares(id1,id2,sk12);
-        BigInteger s23 = MultiSum.deriveShares(id2,id3,sk23);
-        BigInteger s31 = MultiSum.deriveShares(id3,id1,sk31);
+        byte[] sk12 = MultiSum.calculateAgreement(ePubKey2,ePrivKey1);
+        byte[] sk23 = MultiSum.calculateAgreement(ePubKey3,ePrivKey2);
+        byte[] sk31 = MultiSum.calculateAgreement(ePubKey1,ePrivKey3);
 
-        assertEquals(s12, MultiSum.deriveShares(id1,id2,sk12));
-        assertEquals(s23, MultiSum.deriveShares(id2,id3,sk23));
-        assertEquals(s31, MultiSum.deriveShares(id3,id1,sk31));
+        assertArrayEquals(sk12,MultiSum.calculateAgreement(ePubKey1,ePrivKey2));
+        assertArrayEquals(sk23,MultiSum.calculateAgreement(ePubKey2,ePrivKey3));
+        assertArrayEquals(sk31,MultiSum.calculateAgreement(ePubKey3,ePrivKey1));
 
-        BigInteger c1 = MultiSum.encryptBlindedMsg(encKey,value1,s12,s31);
-        BigInteger c2 = MultiSum.encryptBlindedMsg(encKey,value2,s23,s12);
-        BigInteger c3 = MultiSum.encryptBlindedMsg(encKey,value3,s31,s23);
+        byte[] s12 = MultiSum.deriveShares(id1,id2,sk12);
+        byte[] s23 = MultiSum.deriveShares(id2,id3,sk23);
+        byte[] s31 = MultiSum.deriveShares(id3,id1,sk31);
 
-        BigInteger aggregatedCiphertext = MultiSum.aggregateCiphertexts(encKey,c1,c2,c3);
+        assertArrayEquals(s12, MultiSum.deriveShares(id1,id2,sk12));
+        assertArrayEquals(s23, MultiSum.deriveShares(id2,id3,sk23));
+        assertArrayEquals(s31, MultiSum.deriveShares(id3,id1,sk31));
 
-        BigInteger decryptedValue = MultiSum.decrypt(keyPair,aggregatedCiphertext);
+        byte[] c1 = MultiSum.encryptBlindedMsg(encKey,int1,s12,s31);
+        byte[] c2 = MultiSum.encryptBlindedMsg(encKey,int2,s23,s12);
+        byte[] c3 = MultiSum.encryptBlindedMsg(encKey,int3,s31,s23);
 
-        assertEquals(expectedSum,decryptedValue);
-    }
+        byte[] aggregatedCiphertext = MultiSum.aggregateCiphertexts(encKey,c1,c2,c3);
 
-    @Test
-    public void testResolveEPrivKey(){
+        byte[] decryptedValue = MultiSum.decrypt(decKey,aggregatedCiphertext);
 
-        MultiSum instance = new MultiSum();
-        instance.generateEphemeralKeyPair();
-
-        ECPrivateKeyParameters expectedEPrivKey = instance.getEPrivKey();
-        byte[] ePrivKeyBytes = instance.getEPrivKeyBytes();
-        ECPrivateKeyParameters ePrivKey = instance.resolveEPrivKey(ePrivKeyBytes);
-        assertEquals(expectedEPrivKey.getD(),ePrivKey.getD());
+        assertEquals(sum,byteArrayToInt(decryptedValue));
     }
 
-    @Test
-    public void testResolveEPubKey(){
-
-        MultiSum instance = new MultiSum();
-        instance.generateEphemeralKeyPair();
-
-        ECPublicKeyParameters expectedEPubKey = instance.getEPubKey();
-        byte[] ePubKeyBytes = instance.getEPubKeyBytes();
-        ECPublicKeyParameters ePubKey = instance.resolveEPubKey(ePubKeyBytes);
-
-        assertEquals(Hex.toHexString(expectedEPubKey.getQ().getAffineXCoord().getEncoded()),Hex.toHexString(ePubKey.getQ().getAffineXCoord().getEncoded()));
-        assertEquals(Hex.toHexString(expectedEPubKey.getQ().getAffineYCoord().getEncoded()),Hex.toHexString(ePubKey.getQ().getAffineYCoord().getEncoded()));
+    private static int byteArrayToInt(byte[] input) {
+        int result;
+        int length = input.length;
+        byte[] buffer = new byte[4];
+        if (length <= buffer.length){
+            System.arraycopy(input,0,buffer,buffer.length - length,length);
+        } else {
+            System.arraycopy(input,length - buffer.length,buffer,0, buffer.length);
+        }
+        result =  buffer[3] & 0xFF |
+                (buffer[2] & 0xFF) << 8 |
+                (buffer[1] & 0xFF) << 16 |
+                (buffer[0] & 0xFF) << 24;
+        return result;
     }
 }

source/crypto/crypto-adv/src/test/java/test/com/jd/blockchain/crypto/paillier/DecryptionTest.java

@@ -1,58 +0,0 @@
-package test.com.jd.blockchain.crypto.paillier;
-
-import com.jd.blockchain.crypto.paillier.KeyPair;
-import com.jd.blockchain.crypto.paillier.KeyPairBuilder;
-import com.jd.blockchain.crypto.paillier.PublicKey;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.junit.runners.Parameterized;
-
-import java.math.BigInteger;
-import java.util.Arrays;
-import java.util.Collection;
-
-import static org.junit.Assert.assertEquals;
-
-/**
- * Created by kunerd on 22.09.15.
- */
-@RunWith(value = Parameterized.class)
-public class DecryptionTest {
-
-    @Parameterized.Parameters
-    public static Collection<Object[]> data() {
-        return Arrays.asList(createTestParameter(Long.MIN_VALUE),
-                createTestParameter(Integer.MIN_VALUE),
-                createTestParameter(Short.MIN_VALUE),
-                createTestParameter(0),
-                createTestParameter(Short.MAX_VALUE),
-                createTestParameter(Integer.MAX_VALUE),
-                createTestParameter(Long.MAX_VALUE));
-    }
-
-    private BigInteger input;
-    private BigInteger expected;
-
-    public DecryptionTest(BigInteger input, BigInteger expected) {
-        this.input = input;
-        this.expected = expected;
-    }
-
-    @Test
-    public void test() {
-        KeyPair keyPair = new KeyPairBuilder().upperBound(BigInteger.valueOf(Long.MAX_VALUE))
-                .generateKeyPair();
-        PublicKey publicKey = keyPair.getPublicKey();
-
-        BigInteger encryptedData = publicKey.encrypt(input);
-
-        assertEquals(expected, keyPair.decrypt(encryptedData));
-    }
-
-    private static Object[] createTestParameter(long plaintext) {
-        BigInteger p = BigInteger.valueOf(plaintext);
-        return new Object[]{p, p};
-    }
-
-}
-

source/crypto/crypto-adv/src/test/java/test/com/jd/blockchain/crypto/paillier/HomomorphicPropertiesTest.java

@@ -1,90 +0,0 @@
-package test.com.jd.blockchain.crypto.paillier;
-
-import com.jd.blockchain.crypto.paillier.KeyPair;
-import com.jd.blockchain.crypto.paillier.KeyPairBuilder;
-import com.jd.blockchain.crypto.paillier.PublicKey;
-import org.junit.Before;
-import org.junit.Test;
-
-import java.math.BigInteger;
-
-import static org.junit.Assert.assertEquals;
-
-public class HomomorphicPropertiesTest {
-    private KeyPair keypair;
-    private PublicKey publicKey;
-
-    @Before
-    public void init() {
-        KeyPairBuilder keygen = new KeyPairBuilder();
-        this.keypair = keygen.generateKeyPair();
-        this.publicKey = keypair.getPublicKey();
-    }
-
-    @Test
-    public void testHomomorphicAddition() {
-        BigInteger plainA = BigInteger.valueOf(102);
-        BigInteger plainB = BigInteger.valueOf(203);
-
-        BigInteger encryptedA = publicKey.encrypt(plainA);
-        BigInteger encryptedB = publicKey.encrypt(plainB);
-
-        BigInteger decryptedProduct = keypair.decrypt(encryptedA.multiply(
-                encryptedB).mod(publicKey.getnSquared()));
-        BigInteger plainSum = plainA.add(plainB).mod(publicKey.getN());
-
-        assertEquals(decryptedProduct, plainSum);
-    }
-
-    @Test
-    public void testHomomorphicConstantMultiplication() {
-        BigInteger plainA = BigInteger.valueOf(14);
-        BigInteger plainB = BigInteger.valueOf(203);
-
-        BigInteger encryptedA = publicKey.encrypt(plainA);
-
-        BigInteger decryptedPow = keypair.decrypt(encryptedA.modPow(plainB,
-                publicKey.getnSquared()));
-        BigInteger plainSum = plainA.multiply(plainB).mod(publicKey.getN());
-
-        assertEquals(decryptedPow, plainSum);
-    }
-
-    @Test
-    public void testHomomorphicMultiplication() {
-        BigInteger plainA = BigInteger.valueOf(23);
-        BigInteger plainB = BigInteger.valueOf(234);
-
-        BigInteger encryptedA = publicKey.encrypt(plainA);
-        BigInteger decryptedPowA = keypair.decrypt(encryptedA.modPow(
-                plainB, publicKey.getnSquared()));
-        BigInteger plainSumA = plainA.multiply(plainB).mod(publicKey.getN());
-
-        assertEquals(decryptedPowA, plainSumA);
-
-        BigInteger encryptedB = publicKey.encrypt(plainB);
-        BigInteger decryptedPowB = keypair.decrypt(encryptedB.modPow(
-                plainA, publicKey.getnSquared()));
-        BigInteger plainSumB = plainA.multiply(plainB).mod(publicKey.getN());
-
-        assertEquals(decryptedPowB, plainSumB);
-
-        assertEquals(decryptedPowA, decryptedPowB);
-    }
-
-    @Test
-    public void testHomomorphicMultiplicationPowG() {
-        BigInteger plainA = BigInteger.valueOf(230);
-        BigInteger plainB = BigInteger.valueOf(100);
-
-        BigInteger g = publicKey.getG();
-
-        BigInteger encryptedA = publicKey.encrypt(plainA);
-        BigInteger decryptedPow = keypair.decrypt(encryptedA.multiply(g.modPow(
-                plainB, publicKey.getnSquared()).mod(publicKey.getnSquared())));
-
-        BigInteger plainSumA = plainA.add(plainB).mod(publicKey.getN());
-
-        assertEquals(decryptedPow, plainSumA);
-    }
-}

source/crypto/crypto-adv/src/test/java/test/com/jd/blockchain/crypto/paillier/JPaillierTest.java

@@ -1,43 +0,0 @@
-package test.com.jd.blockchain.crypto.paillier;
-
-import com.jd.blockchain.crypto.paillier.KeyPair;
-import com.jd.blockchain.crypto.paillier.KeyPairBuilder;
-import com.jd.blockchain.crypto.paillier.PublicKey;
-import org.junit.Before;
-import org.junit.Test;
-
-import java.math.BigInteger;
-
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotEquals;
-
-public class JPaillierTest {
-    private KeyPair keyPair;
-    private PublicKey publicKey;
-
-    @Before
-    public void init() {
-        KeyPairBuilder keygen = new KeyPairBuilder();
-        keyPair = keygen.generateKeyPair();
-        publicKey = keyPair.getPublicKey();
-    }
-
-    @Test
-    public void testEncryption() {
-        BigInteger plainData = BigInteger.valueOf(10);
-
-        BigInteger encryptedData = publicKey.encrypt(plainData);
-
-        assertNotEquals(plainData, encryptedData);
-    }
-
-    @Test
-    public void testDecyption() {
-        BigInteger plainData = BigInteger.valueOf(10);
-
-        BigInteger encryptedData = publicKey.encrypt(plainData);
-        BigInteger decryptedData = keyPair.decrypt(encryptedData);
-
-        assertEquals(plainData, decryptedData);
-    }
-}

source/crypto/crypto-adv/src/test/java/test/com/jd/blockchain/crypto/paillier/KeyPairBuilderPrivateKeyTest.java

@@ -1,44 +0,0 @@
-package test.com.jd.blockchain.crypto.paillier;
-
-import com.jd.blockchain.crypto.paillier.KeyPair;
-import com.jd.blockchain.crypto.paillier.KeyPairBuilder;
-import com.jd.blockchain.crypto.paillier.PrivateKey;
-import com.jd.blockchain.crypto.paillier.PublicKey;
-import org.junit.Before;
-import org.junit.Test;
-
-import java.math.BigInteger;
-
-import static org.junit.Assert.assertEquals;
-
-public class KeyPairBuilderPrivateKeyTest {
-    private KeyPairBuilder keygen;
-    private KeyPair keypair;
-    private PrivateKey privateKey;
-
-    @Before
-    public void init() {
-        this.keygen = new KeyPairBuilder();
-        this.keypair = keygen.generateKeyPair();
-        this.privateKey = keypair.getPrivateKey();
-    }
-
-    @Test
-    public void testPreCalculatedDenominator() {
-        PublicKey publicKey = keypair.getPublicKey();
-
-        BigInteger preCalculatedDenominator = privateKey.getPreCalculatedDenominator();
-
-        BigInteger g = publicKey.getG();
-        BigInteger n = publicKey.getN();
-        BigInteger nSquared = publicKey.getnSquared();
-        BigInteger lambda = privateKey.getLambda();
-
-        BigInteger expected = g.modPow(lambda, nSquared);
-        expected = expected.subtract(BigInteger.ONE);
-        expected = expected.divide(n);
-        expected = expected.modInverse(n);
-
-        assertEquals(expected, preCalculatedDenominator);
-    }
-}

source/crypto/crypto-adv/src/test/java/test/com/jd/blockchain/crypto/paillier/KeyPairBuilderPublicKeyTest.java

@@ -1,57 +0,0 @@
-package test.com.jd.blockchain.crypto.paillier;
-
-import com.jd.blockchain.crypto.paillier.KeyPair;
-import com.jd.blockchain.crypto.paillier.KeyPairBuilder;
-import com.jd.blockchain.crypto.paillier.PrivateKey;
-import com.jd.blockchain.crypto.paillier.PublicKey;
-import org.junit.Before;
-import org.junit.Test;
-
-import java.math.BigInteger;
-
-import static org.junit.Assert.assertEquals;
-
-public class KeyPairBuilderPublicKeyTest {
-
-    private KeyPair keypair;
-    private PublicKey publicKey;
-
-    @Before
-    public void init() {
-        KeyPairBuilder keygen = new KeyPairBuilder();
-        this.keypair = keygen.generateKeyPair();
-        this.publicKey = keypair.getPublicKey();
-    }
-
-    @Test
-    public void testBitsSetup() {
-        int BITS = 1024;
-        assertEquals(BITS, publicKey.getBits());
-    }
-
-    @Test
-    public void testCalculationOfNSquared() {
-
-        BigInteger n = publicKey.getN();
-        BigInteger nSquared = n.multiply(n);
-
-        assertEquals(nSquared, publicKey.getnSquared());
-    }
-
-    @Test
-    public void testCalculationOfGOfG() {
-        PrivateKey privateKey = keypair.getPrivateKey();
-
-        BigInteger n = publicKey.getN();
-        BigInteger nSquared = publicKey.getnSquared();
-        BigInteger g = publicKey.getG();
-        BigInteger lambda = privateKey.getLambda();
-
-        BigInteger l = g.modPow(lambda, nSquared);
-        l = l.subtract(BigInteger.ONE);
-        l = l.divide(n);
-
-        assertEquals(BigInteger.ONE, l.gcd(n));
-    }
-
-}

source/crypto/crypto-adv/src/test/java/test/com/jd/blockchain/crypto/paillier/KeyPairBuilderTest.java

@@ -1,113 +0,0 @@
-package test.com.jd.blockchain.crypto.paillier;
-
-import static org.junit.Assert.assertEquals;
-
-import java.math.BigInteger;
-import java.security.SecureRandom;
-import java.util.Random;
-
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.mockito.Mockito;
-import org.powermock.api.mockito.PowerMockito;
-import org.powermock.core.classloader.annotations.PrepareForTest;
-import org.powermock.modules.junit4.PowerMockRunner;
-
-import com.jd.blockchain.crypto.paillier.KeyPair;
-import com.jd.blockchain.crypto.paillier.KeyPairBuilder;
-import com.jd.blockchain.crypto.paillier.PrivateKey;
-import com.jd.blockchain.crypto.paillier.PublicKey;
-
-@RunWith(PowerMockRunner.class)
-@PrepareForTest(KeyPairBuilder.class)
-public class KeyPairBuilderTest {
-
-    private static final int BITS = 128;
-
-    private KeyPairBuilder keygen;
-    private PublicKey publicKey;
-    private PrivateKey privateKey;
-
-    private BigInteger p = BigInteger.valueOf(5);
-    private BigInteger q = BigInteger.valueOf(7);
-    private BigInteger g1 = BigInteger.valueOf(35);
-    private BigInteger g2 = BigInteger.valueOf(36);
-
-    private Random rng;
-
-    @Before
-    public void beforeEach() {
-        rng = PowerMockito.mock(SecureRandom.class);
-
-        keygen = new KeyPairBuilder()
-                .bits(BITS)
-                .randomNumberGenerator(rng);
-
-        PowerMockito.mockStatic(BigInteger.class);
-    }
-
-    private void prepareTest() throws Exception {
-
-        PowerMockito.when(BigInteger.probablePrime(BITS / 2, rng)).thenReturn(p, q);
-
-        PowerMockito.whenNew(BigInteger.class).withArguments(BITS, rng).thenReturn(g1, g2);
-
-        KeyPair keypair = keygen.generateKeyPair();
-
-        publicKey = keypair.getPublicKey();
-        privateKey = keypair.getPrivateKey();
-    }
-
-    @Test
-    public void computationOfN() throws Exception {
-        prepareTest();
-
-        BigInteger e = p.multiply(q);
-        BigInteger a = publicKey.getN();
-
-        assertEquals(e, a);
-    }
-
-
-    @Test
-    public void computationOfLambda() throws Exception {
-        BigInteger e = new BigInteger("12");
-
-        prepareTest();
-
-        BigInteger a = privateKey.getLambda();
-
-        assertEquals(e, a);
-    }
-
-    @Test
-    public void computationOfG() throws Exception {
-        prepareTest();
-
-        PowerMockito.verifyNew(BigInteger.class, Mockito.times(2)).withArguments(Mockito.eq(128), Mockito.any(Random.class));
-    }
-
-    @Test
-    public void withoutCertainty() throws Exception {
-        prepareTest();
-
-        PowerMockito.verifyStatic(Mockito.times(2));
-        BigInteger.probablePrime(BITS / 2, rng);
-
-    }
-
-    @Test
-    public void withCertainty() throws Exception {
-        int certainty = 6;
-
-        keygen.certainty(certainty);
-
-        PowerMockito.whenNew(BigInteger.class).withArguments(BITS / 2, certainty, rng).thenReturn(p, q);
-
-        prepareTest();
-
-        PowerMockito.verifyNew(BigInteger.class, Mockito.times(2)).withArguments(BITS / 2, certainty, rng);
-    }
-
-}

source/crypto/crypto-adv/src/test/java/test/com/jd/blockchain/crypto/paillier/PaillierUtilsTest.java

@@ -0,0 +1,202 @@
+package test.com.jd.blockchain.crypto.paillier;
+
+import com.jd.blockchain.crypto.paillier.PaillierPrivateKeyParameters;
+import com.jd.blockchain.crypto.paillier.PaillierPublicKeyParameters;
+import com.jd.blockchain.crypto.paillier.PaillierUtils;
+import org.bouncycastle.crypto.AsymmetricCipherKeyPair;
+import org.junit.Test;
+
+import java.math.BigInteger;
+import java.security.SecureRandom;
+
+import static org.junit.Assert.assertEquals;
+
+/**
+ * @author zhanglin33
+ * @title: PaillierUtilsTest
+ * @description: Tests on PaillierUtils
+ * @date 2019-04-30, 14:54
+ */
+public class PaillierUtilsTest {
+    @Test
+    public void generateKeyPairTest() {
+
+        AsymmetricCipherKeyPair keyPair = PaillierUtils.generateKeyPair();
+        PaillierPublicKeyParameters pubKeyParams = (PaillierPublicKeyParameters) keyPair.getPublic();
+        PaillierPrivateKeyParameters privKeyParams = (PaillierPrivateKeyParameters) keyPair.getPrivate();
+
+        BigInteger n = pubKeyParams.getModulus();
+        BigInteger nSquared = pubKeyParams.getModulusSquared();
+        BigInteger g = pubKeyParams.getGenerator();
+
+        BigInteger nConverted = new BigInteger(1, bigIntegerToBytes(n,256));
+        BigInteger nSquaredConverted = new BigInteger(1, bigIntegerToBytes(nSquared,512));
+        BigInteger gConverted = new BigInteger(1, bigIntegerToBytes(g,256));
+        assertEquals(nConverted, n);
+        assertEquals(nSquaredConverted, nSquared);
+        assertEquals(gConverted, g);
+
+        BigInteger p = privKeyParams.getP();
+        BigInteger pSquared = privKeyParams.getPSquared();
+        BigInteger q = privKeyParams.getQ();
+        BigInteger qSquared = privKeyParams.getQSquared();
+        BigInteger pInverse = privKeyParams.getPInverse();
+        BigInteger muP = privKeyParams.getMuP();
+        BigInteger muQ = privKeyParams.getMuQ();
+
+        BigInteger pConverted = new BigInteger(1, bigIntegerToBytes(p,128));
+        BigInteger pSquaredConverted = new BigInteger(1, bigIntegerToBytes(pSquared,256));
+        BigInteger qConverted = new BigInteger(1, bigIntegerToBytes(q,128));
+        BigInteger qSquaredConverted = new BigInteger(1, bigIntegerToBytes(qSquared,256));
+        BigInteger pInverseConverted = new BigInteger(1, bigIntegerToBytes(pInverse,128));
+        BigInteger muPConverted = new BigInteger(1, bigIntegerToBytes(muP,128));
+        BigInteger muQConverted = new BigInteger(1, bigIntegerToBytes(muQ,128));
+        assertEquals(pConverted, p);
+        assertEquals(pSquaredConverted, pSquared);
+        assertEquals(qConverted, q);
+        assertEquals(qSquaredConverted, qSquared);
+        assertEquals(pInverseConverted, pInverse);
+        assertEquals(muPConverted, muP);
+        assertEquals(muQConverted, muQ);
+    }
+
+    @Test
+    public void encryptTest() {
+
+        AsymmetricCipherKeyPair keyPair = PaillierUtils.generateKeyPair();
+        PaillierPublicKeyParameters pubKeyParams = (PaillierPublicKeyParameters) keyPair.getPublic();
+
+        byte[] pubKeyBytes = PaillierUtils.pubKey2Bytes(pubKeyParams);
+
+        SecureRandom random = new SecureRandom();
+        byte[] data = new byte[256];
+        random.nextBytes(data);
+
+        byte[] ciphertextFromParams = PaillierUtils.encrypt(data,pubKeyParams);
+        byte[] ciphertextFromBytes = PaillierUtils.encrypt(data,pubKeyBytes);
+
+        assertEquals(512,ciphertextFromParams.length);
+        assertEquals(512,ciphertextFromBytes.length);
+    }
+
+    @Test
+    public void decryptTest(){
+
+        AsymmetricCipherKeyPair keyPair = PaillierUtils.generateKeyPair();
+        PaillierPublicKeyParameters pubKeyParams = (PaillierPublicKeyParameters) keyPair.getPublic();
+        PaillierPrivateKeyParameters privKeyParams = (PaillierPrivateKeyParameters) keyPair.getPrivate();
+
+        byte[] pubKeyBytes = PaillierUtils.pubKey2Bytes(pubKeyParams);
+        byte[] privKeyBytes = PaillierUtils.privKey2Bytes(privKeyParams);
+
+        int input = 666;
+        byte[] data = intToByteArray(input);
+
+        byte[] ciphertextFromParams = PaillierUtils.encrypt(data,pubKeyParams);
+        byte[] ciphertextFromBytes  = PaillierUtils.encrypt(data,pubKeyBytes);
+
+        byte[] plaintextFromParams  = PaillierUtils.decrypt(ciphertextFromBytes,privKeyParams);
+        byte[] plaintextFromBytes   = PaillierUtils.decrypt(ciphertextFromParams,privKeyBytes);
+
+        int outputFromParams = byteArrayToInt(plaintextFromParams);
+        int outputFromBytes = byteArrayToInt(plaintextFromBytes);
+
+        assertEquals(input,outputFromParams);
+        assertEquals(input,outputFromBytes);
+    }
+
+    @Test
+    public void addTest() {
+
+        AsymmetricCipherKeyPair keyPair = PaillierUtils.generateKeyPair();
+        PaillierPublicKeyParameters pubKeyParams = (PaillierPublicKeyParameters) keyPair.getPublic();
+        PaillierPrivateKeyParameters privKeyParams = (PaillierPrivateKeyParameters) keyPair.getPrivate();
+
+        byte[] pubKeyBytes = PaillierUtils.pubKey2Bytes(pubKeyParams);
+
+        int input1 = 600;
+        int input2 = 60;
+        int input3 = 6;
+
+        int sum = 666;
+
+        byte[] data1 = intToByteArray(input1);
+        byte[] data2 = intToByteArray(input2);
+        byte[] data3 = intToByteArray(input3);
+
+        byte[] ciphertext1 = PaillierUtils.encrypt(data1,pubKeyParams);
+        byte[] ciphertext2 = PaillierUtils.encrypt(data2,pubKeyParams);
+        byte[] ciphertext3 = PaillierUtils.encrypt(data3,pubKeyParams);
+
+        byte[] aggregatedCiphertext = PaillierUtils.add(pubKeyParams,ciphertext1,ciphertext2,ciphertext3);
+        byte[] plaintext = PaillierUtils.decrypt(aggregatedCiphertext,privKeyParams);
+
+        int output = byteArrayToInt(plaintext);
+        assertEquals(sum,output);
+
+        aggregatedCiphertext = PaillierUtils.add(pubKeyBytes,ciphertext1,ciphertext2,ciphertext3);
+        plaintext = PaillierUtils.decrypt(aggregatedCiphertext,privKeyParams);
+
+        output = byteArrayToInt(plaintext);
+        assertEquals(sum,output);
+    }
+
+    @Test
+    public void scalarMultiplyTest() {
+
+        AsymmetricCipherKeyPair keyPair = PaillierUtils.generateKeyPair();
+        PaillierPublicKeyParameters pubKeyParams = (PaillierPublicKeyParameters) keyPair.getPublic();
+        PaillierPrivateKeyParameters privKeyParams = (PaillierPrivateKeyParameters) keyPair.getPrivate();
+
+        byte[] pubKeyBytes = PaillierUtils.pubKey2Bytes(pubKeyParams);
+
+        int input = 111;
+        int scalar = 6;
+        byte[] data = intToByteArray(input);
+
+        byte[] ciphertext = PaillierUtils.encrypt(data,pubKeyParams);
+        byte[] ciphertextPowered = PaillierUtils.scalarMultiply(pubKeyBytes,ciphertext,scalar);
+        byte[] plaintextMultiplied = PaillierUtils.decrypt(ciphertextPowered,privKeyParams);
+
+        int output = byteArrayToInt(plaintextMultiplied);
+        assertEquals(input * scalar, output);
+    }
+
+    private static byte[] intToByteArray(int input) {
+        byte[] result = new byte[4];
+        result[0] = (byte) ((input >> 24) & 0xFF);
+        result[1] = (byte) ((input >> 16) & 0xFF);
+        result[2] = (byte) ((input >> 8 ) & 0xFF);
+        result[3] = (byte) ((input      ) & 0xFF);
+        return result;
+    }
+
+    private static int byteArrayToInt(byte[] input) {
+        int result;
+        int length = input.length;
+        byte[] buffer = new byte[4];
+        if (length <= buffer.length){
+            System.arraycopy(input,0,buffer,buffer.length - length,length);
+        } else {
+            System.arraycopy(input,length - buffer.length,buffer,0, buffer.length);
+        }
+        result =  buffer[3] & 0xFF |
+                (buffer[2] & 0xFF) << 8 |
+                (buffer[1] & 0xFF) << 16 |
+                (buffer[0] & 0xFF) << 24;
+        return result;
+    }
+
+    // To convert BigInteger to byte array in specified size
+    private static byte[] bigIntegerToBytes(BigInteger b, int bytesSize){
+        byte[] tmp = b.toByteArray();
+        byte[] result = new byte[bytesSize];
+        if (tmp.length > result.length) {
+            System.arraycopy(tmp, tmp.length - result.length, result, 0, result.length);
+        }
+        else {
+            System.arraycopy(tmp,0,result,result.length-tmp.length,tmp.length);
+        }
+        return result;
+    }
+}

source/crypto/crypto-adv/src/test/java/test/com/jd/blockchain/crypto/paillier/ResolveTest.java

@@ -1,124 +0,0 @@
-package test.com.jd.blockchain.crypto.paillier;
-
-import com.jd.blockchain.crypto.paillier.*;
-import org.junit.Test;
-
-import java.math.BigInteger;
-
-import static org.junit.Assert.assertEquals;
-
-public class ResolveTest {
-
-    @Test
-    public void testResolvePrivateKey() {
-        KeyPairBuilder keygen = new KeyPairBuilder();
-        KeyPair keyPair = keygen.generateKeyPair();
-
-        PrivateKey privKey = keyPair.getPrivateKey();
-        BigInteger lambda = privKey.getLambda();
-        BigInteger preCalculatedDenominator = privKey.getPreCalculatedDenominator();
-
-        byte[] privKeyBytes = privKey.getPrivKeyBytes();
-        byte[] lambdaBytes = privKey.getLambdaBytes();
-        byte[] preCalculatedDenominatorBytes = privKey.getPreCalculatedDenominatorBytes();
-
-        assertEquals(lambda,new BigInteger(lambdaBytes));
-        assertEquals(preCalculatedDenominator,new BigInteger(preCalculatedDenominatorBytes));
-
-        assertEquals(lambda,new PrivateKey(lambda,preCalculatedDenominator).getLambda());
-        assertEquals(preCalculatedDenominator,(new PrivateKey(lambda,preCalculatedDenominator)).getPreCalculatedDenominator());
-
-        assertEquals(lambda,(new PrivateKey(lambdaBytes,preCalculatedDenominatorBytes)).getLambda());
-        assertEquals(preCalculatedDenominator,(new PrivateKey(lambdaBytes,preCalculatedDenominatorBytes)).getPreCalculatedDenominator());
-
-        assertEquals(lambda,(new PrivateKey(privKeyBytes)).getLambda());
-        assertEquals(preCalculatedDenominator,(new PrivateKey(privKeyBytes)).getPreCalculatedDenominator());
-    }
-
-    @Test
-    public void testResolvePublicKey() {
-        KeyPairBuilder keygen = new KeyPairBuilder();
-        KeyPair keyPair = keygen.generateKeyPair();
-
-        PublicKey pubKey = keyPair.getPublicKey();
-        int bits = pubKey.getBits();
-        BigInteger n = pubKey.getN();
-        BigInteger nSquared = pubKey.getnSquared();
-        BigInteger g = pubKey.getG();
-
-        byte[] pubKeyBytes = pubKey.getPubKeyBytes();
-        byte[] bitsBytes = pubKey.getBitsBytes();
-        byte[] nBytes = pubKey.getNBytes();
-        byte[] nSquaredBytes = pubKey.getNSquaredBytes();
-        byte[] gBytes = pubKey.getGBytes();
-
-        assertEquals(bits,PaillierUtils.bytesToInt(bitsBytes));
-        assertEquals(n,new BigInteger(nBytes));
-        assertEquals(nSquared,new BigInteger(nSquaredBytes));
-        assertEquals(g,new BigInteger(gBytes));
-
-        assertEquals(bits,(new PublicKey(n,nSquared,g,bits)).getBits());
-        assertEquals(n,(new PublicKey(n,nSquared,g,bits)).getN());
-        assertEquals(nSquared,(new PublicKey(n,nSquared,g,bits)).getnSquared());
-        assertEquals(g,(new PublicKey(n,nSquared,g,bits)).getG());
-
-        assertEquals(bits,(new PublicKey(nBytes,nSquaredBytes,gBytes,bitsBytes)).getBits());
-        assertEquals(n,(new PublicKey(nBytes,nSquaredBytes,gBytes,bitsBytes)).getN());
-        assertEquals(nSquared,(new PublicKey(nBytes,nSquaredBytes,gBytes,bitsBytes)).getnSquared());
-        assertEquals(g,(new PublicKey(nBytes,nSquaredBytes,gBytes,bitsBytes)).getG());
-
-        assertEquals(bits,(new PublicKey(pubKeyBytes)).getBits());
-        assertEquals(n,(new PublicKey(pubKeyBytes)).getN());
-        assertEquals(nSquared,(new PublicKey(pubKeyBytes)).getnSquared());
-        assertEquals(g,(new PublicKey(pubKeyBytes)).getG());
-    }
-
-    @Test
-    public void testResolveKeyPair() {
-        KeyPairBuilder keygen = new KeyPairBuilder();
-        keygen.upperBound(new BigInteger(PaillierUtils.intToBytes(Integer.MAX_VALUE)));
-        KeyPair keyPair = keygen.generateKeyPair();
-
-        PrivateKey privKey = keyPair.getPrivateKey();
-        PublicKey pubKey = keyPair.getPublicKey();
-        BigInteger upperBound = keyPair.getUpperBound();
-
-        byte[] keyPairBytes = keyPair.getKeyPairBytes();
-        byte[] privKeyBytes = privKey.getPrivKeyBytes();
-        byte[] pubKeyBytes = pubKey.getPubKeyBytes();
-        byte[] upperBoundBytes = keyPair.getUpperBoundBytes();
-
-        assertEquals(upperBound,keyPair.getUpperBound());
-        assertEquals(privKey.getLambda(),keyPair.getPrivateKey().getLambda());
-        assertEquals(privKey.getPreCalculatedDenominator(),keyPair.getPrivateKey().getPreCalculatedDenominator());
-        assertEquals(pubKey.getBits(),keyPair.getPublicKey().getBits());
-        assertEquals(pubKey.getN(),keyPair.getPublicKey().getN());
-        assertEquals(pubKey.getnSquared(),keyPair.getPublicKey().getnSquared());
-        assertEquals(pubKey.getG(),keyPair.getPublicKey().getG());
-
-        assertEquals(upperBound,(new KeyPair(privKey,pubKey,upperBound).getUpperBound()));
-        assertEquals(privKey.getLambda(),(new KeyPair(privKey,pubKey,upperBound).getPrivateKey().getLambda()));
-        assertEquals(privKey.getPreCalculatedDenominator(),(new KeyPair(privKey,pubKey,upperBound).getPrivateKey().getPreCalculatedDenominator()));
-        assertEquals(pubKey.getBits(),(new KeyPair(privKey,pubKey,upperBound).getPublicKey().getBits()));
-        assertEquals(pubKey.getN(),(new KeyPair(privKey,pubKey,upperBound).getPublicKey().getN()));
-        assertEquals(pubKey.getnSquared(),(new KeyPair(privKey,pubKey,upperBound).getPublicKey().getnSquared()));
-        assertEquals(pubKey.getG(),(new KeyPair(privKey,pubKey,upperBound).getPublicKey().getG()));
-
-        assertEquals(upperBound,(new KeyPair(privKeyBytes,pubKeyBytes,upperBoundBytes).getUpperBound()));
-        assertEquals(privKey.getLambda(),(new KeyPair(privKeyBytes,pubKeyBytes,upperBoundBytes).getPrivateKey().getLambda()));
-        assertEquals(privKey.getPreCalculatedDenominator(),(new KeyPair(privKeyBytes,pubKeyBytes,upperBoundBytes).getPrivateKey().getPreCalculatedDenominator()));
-        assertEquals(pubKey.getBits(),(new KeyPair(privKeyBytes,pubKeyBytes,upperBoundBytes).getPublicKey().getBits()));
-        assertEquals(pubKey.getN(),(new KeyPair(privKeyBytes,pubKeyBytes,upperBoundBytes).getPublicKey().getN()));
-        assertEquals(pubKey.getnSquared(),(new KeyPair(privKeyBytes,pubKeyBytes,upperBoundBytes).getPublicKey().getnSquared()));
-        assertEquals(pubKey.getG(),(new KeyPair(privKeyBytes,pubKeyBytes,upperBoundBytes).getPublicKey().getG()));
-
-        assertEquals(upperBound,(new KeyPair(keyPairBytes).getUpperBound()));
-        assertEquals(privKey.getLambda(),(new KeyPair(keyPairBytes).getPrivateKey().getLambda()));
-        assertEquals(privKey.getPreCalculatedDenominator(),(new KeyPair(keyPairBytes).getPrivateKey().getPreCalculatedDenominator()));
-        assertEquals(pubKey.getBits(),(new KeyPair(keyPairBytes).getPublicKey().getBits()));
-        assertEquals(pubKey.getN(),(new KeyPair(keyPairBytes).getPublicKey().getN()));
-        assertEquals(pubKey.getnSquared(),(new KeyPair(keyPairBytes).getPublicKey().getnSquared()));
-        assertEquals(pubKey.getG(),(new KeyPair(keyPairBytes).getPublicKey().getG()));
-
-    }
-}

source/crypto/crypto-classic/src/main/java/com/jd/blockchain/crypto/service/classic/ClassicCryptoService.java

@@ -23,13 +23,14 @@ public class ClassicCryptoService implements CryptoService {
 
 	public static final JVMSecureRandomFunction JVM_SECURE_RANDOM = new JVMSecureRandomFunction();
 
-	// public static final ECDSASignatureFunction ECDSA = new
-	// ECDSASignatureFunction();
+	public static final ECDSASignatureFunction ECDSA = new ECDSASignatureFunction();
+
+	public static final RSACryptoFunction RSA = new RSACryptoFunction();
 
 	private static final Collection<CryptoFunction> FUNCTIONS;
 
 	static {
-		List<CryptoFunction> funcs = Arrays.asList(AES, ED25519, RIPEMD160, SHA256, JVM_SECURE_RANDOM);
+		List<CryptoFunction> funcs = Arrays.asList(AES, ED25519, ECDSA, RSA, RIPEMD160, SHA256, JVM_SECURE_RANDOM);
 		FUNCTIONS = Collections.unmodifiableList(funcs);
 	}
 

source/crypto/crypto-classic/src/main/java/com/jd/blockchain/crypto/service/classic/ECDSASignatureFunction.java

@@ -1,60 +1,129 @@
 package com.jd.blockchain.crypto.service.classic;
 
-import com.jd.blockchain.crypto.CryptoAlgorithm;
-import com.jd.blockchain.crypto.AsymmetricKeypair;
-import com.jd.blockchain.crypto.PrivKey;
-import com.jd.blockchain.crypto.PubKey;
-import com.jd.blockchain.crypto.SignatureDigest;
-import com.jd.blockchain.crypto.SignatureFunction;
+import com.jd.blockchain.crypto.*;
+import com.jd.blockchain.crypto.utils.classic.ECDSAUtils;
+import org.bouncycastle.crypto.AsymmetricCipherKeyPair;
+import org.bouncycastle.crypto.params.ECPrivateKeyParameters;
+import org.bouncycastle.crypto.params.ECPublicKeyParameters;
+
+import java.math.BigInteger;
+
+import static com.jd.blockchain.crypto.BaseCryptoKey.KEY_TYPE_BYTES;
+import static com.jd.blockchain.crypto.CryptoBytes.ALGORYTHM_CODE_SIZE;
+import static com.jd.blockchain.crypto.CryptoKeyType.PRIVATE;
+import static com.jd.blockchain.crypto.CryptoKeyType.PUBLIC;
 
 public class ECDSASignatureFunction implements SignatureFunction {
 
+	private static final CryptoAlgorithm ECDSA = ClassicAlgorithm.ECDSA;
+
+	private static final int PUBKEY_SIZE = 65;
+	private static final int PRIVKEY_SIZE = 32;
+	private static final int SIGNATUREDIGEST_SIZE = 64;
+
+	private static final int PUBKEY_LENGTH = ALGORYTHM_CODE_SIZE + KEY_TYPE_BYTES + PUBKEY_SIZE;
+	private static final int PRIVKEY_LENGTH = ALGORYTHM_CODE_SIZE + KEY_TYPE_BYTES + PRIVKEY_SIZE;
+	private static final int SIGNATUREDIGEST_LENGTH = ALGORYTHM_CODE_SIZE + SIGNATUREDIGEST_SIZE;
+
 	ECDSASignatureFunction() {
 	}
 
 	@Override
 	public SignatureDigest sign(PrivKey privKey, byte[] data) {
-		return null;
+
+		byte[] rawPrivKeyBytes = privKey.getRawKeyBytes();
+
+		// 验证原始私钥长度为256比特，即32字节
+		if (rawPrivKeyBytes.length != PRIVKEY_SIZE) {
+			throw new CryptoException("This key has wrong format!");
+		}
+
+		// 验证密钥数据的算法标识对应ECDSA签名算法
+		if (privKey.getAlgorithm() != ECDSA.code()) {
+			throw new CryptoException("This key is not ECDSA private key!");
+		}
+
+		// 调用ECDSA签名算法计算签名结果
+		return new SignatureDigest(ECDSA, ECDSAUtils.sign(data, rawPrivKeyBytes));
 	}
 
 	@Override
 	public boolean verify(SignatureDigest digest, PubKey pubKey, byte[] data) {
-		return false;
+
+		byte[] rawPubKeyBytes = pubKey.getRawKeyBytes();
+		byte[] rawDigestBytes = digest.getRawDigest();
+
+		// 验证原始公钥长度为256比特，即32字节
+		if (rawPubKeyBytes.length != PUBKEY_SIZE) {
+			throw new CryptoException("This key has wrong format!");
+		}
+
+		// 验证密钥数据的算法标识对应ECDSA签名算法
+		if (pubKey.getAlgorithm() != ECDSA.code()) {
+			throw new CryptoException("This key is not ECDSA public key!");
+		}
+
+		// 验证签名数据的算法标识对应ECDSA签名算法，并且原始摘要长度为64字节
+		if (digest.getAlgorithm() != ECDSA.code() || rawDigestBytes.length != SIGNATUREDIGEST_SIZE) {
+			throw new CryptoException("This is not ECDSA signature digest!");
+		}
+
+		// 调用ECDSA验签算法验证签名结果
+		return ECDSAUtils.verify(data, rawPubKeyBytes, rawDigestBytes);
 	}
 
 	@Override
 	public PubKey retrievePubKey(PrivKey privKey) {
-		return null;
+		byte[] rawPrivKeyBytes = privKey.getRawKeyBytes();
+		byte[] rawPubKeyBytes = ECDSAUtils.retrievePublicKey(rawPrivKeyBytes);
+		return new PubKey(ECDSA, rawPubKeyBytes);
 	}
 
 	@Override
 	public boolean supportPrivKey(byte[] privKeyBytes) {
-		return false;
+		// 验证输入字节数组长度=算法标识长度+密钥类型长度+密钥长度，密钥数据的算法标识对应ECDSA签名算法，并且密钥类型是私钥
+		return privKeyBytes.length == PRIVKEY_LENGTH && CryptoAlgorithm.match(ECDSA, privKeyBytes)
+				&& privKeyBytes[ALGORYTHM_CODE_SIZE] == PRIVATE.CODE;
 	}
 
 	@Override
 	public PrivKey resolvePrivKey(byte[] privKeyBytes) {
-		return null;
+		if (supportPrivKey(privKeyBytes)) {
+			return new PrivKey(privKeyBytes);
+		} else {
+			throw new CryptoException("privKeyBytes are invalid!");
+		}
 	}
 
 	@Override
 	public boolean supportPubKey(byte[] pubKeyBytes) {
-		return false;
+		// 验证输入字节数组长度=算法标识长度+密钥类型长度+密钥长度，密钥数据的算法标识对应ECDSA签名算法，并且密钥类型是公钥
+		return pubKeyBytes.length == PUBKEY_LENGTH && CryptoAlgorithm.match(ECDSA, pubKeyBytes)
+				&& pubKeyBytes[ALGORYTHM_CODE_SIZE] == PUBLIC.CODE;
 	}
 
 	@Override
 	public PubKey resolvePubKey(byte[] pubKeyBytes) {
-		return null;
+		if (supportPubKey(pubKeyBytes)) {
+			return new PubKey(pubKeyBytes);
+		} else {
+			throw new CryptoException("pubKeyBytes are invalid!");
+		}
 	}
 
 	@Override
 	public boolean supportDigest(byte[] digestBytes) {
-		return false;
+		// 验证输入字节数组长度=算法标识长度+摘要长度，字节数组的算法标识对应ECDSA算法
+		return digestBytes.length == SIGNATUREDIGEST_LENGTH && CryptoAlgorithm.match(ECDSA, digestBytes);
 	}
 
 	@Override
 	public SignatureDigest resolveDigest(byte[] digestBytes) {
-		return null;
+		if (supportDigest(digestBytes)) {
+			return new SignatureDigest(digestBytes);
+		} else {
+			throw new CryptoException("digestBytes are invalid!");
+		}
 	}
 
 	@Override
@@ -64,6 +133,28 @@ public class ECDSASignatureFunction implements SignatureFunction {
 
 	@Override
 	public AsymmetricKeypair generateKeypair() {
-		return null;
+
+		// 调用ECDSA算法的密钥生成算法生成公私钥对priKey和pubKey，返回密钥对
+		AsymmetricCipherKeyPair keyPair = ECDSAUtils.generateKeyPair();
+		ECPrivateKeyParameters privKeyParams = (ECPrivateKeyParameters) keyPair.getPrivate();
+		ECPublicKeyParameters pubKeyParams = (ECPublicKeyParameters) keyPair.getPublic();
+
+		byte[] privKeyBytes = BigIntegerTo32Bytes(privKeyParams.getD());
+		byte[] pubKeyBytes = pubKeyParams.getQ().getEncoded(false);
+
+		return new AsymmetricKeypair(new PubKey(ECDSA, pubKeyBytes), new PrivKey(ECDSA, privKeyBytes));
+	}
+
+	// To convert BigInteger to byte[] whose length is 32
+	private static byte[] BigIntegerTo32Bytes(BigInteger b){
+		byte[] tmp = b.toByteArray();
+		byte[] result = new byte[32];
+		if (tmp.length > result.length) {
+			System.arraycopy(tmp, tmp.length - result.length, result, 0, result.length);
+		}
+		else {
+			System.arraycopy(tmp,0,result,result.length-tmp.length,tmp.length);
+		}
+		return result;
 	}
 }

source/crypto/crypto-classic/src/main/java/com/jd/blockchain/crypto/service/classic/ED25519SignatureFunction.java

@@ -49,9 +49,7 @@ public class ED25519SignatureFunction implements SignatureFunction {
 		}
 
 		// 调用ED25519签名算法计算签名结果
-//		return new SignatureDigest(ED25519, Ed25519Utils.sign_512(data, rawPrivKeyBytes));
 		return new SignatureDigest(ED25519, ED25519Utils.sign(data, rawPrivKeyBytes));
-
 	}
 
 	@Override
@@ -70,13 +68,12 @@ public class ED25519SignatureFunction implements SignatureFunction {
 			throw new CryptoException("This key is not ED25519 public key!");
 		}
 
-		// 验证密文数据的算法标识对应ED25519签名算法，并且原始摘要长度为64字节
+		// 验证签名数据的算法标识对应ED25519签名算法，并且原始摘要长度为64字节
 		if (digest.getAlgorithm() != ED25519.code() || rawDigestBytes.length != SIGNATUREDIGEST_SIZE) {
 			throw new CryptoException("This is not ED25519 signature digest!");
 		}
 
 		// 调用ED25519验签算法验证签名结果
-//		return Ed25519Utils.verify(data, rawPubKeyBytes, rawDigestBytes);
 		return ED25519Utils.verify(data, rawPubKeyBytes, rawDigestBytes);
 	}
 
@@ -84,21 +81,8 @@ public class ED25519SignatureFunction implements SignatureFunction {
 	public PubKey retrievePubKey(PrivKey privKey) {
 		byte[] rawPrivKeyBytes = privKey.getRawKeyBytes();
 		byte[] rawPubKeyBytes = ED25519Utils.retrievePublicKey(rawPrivKeyBytes);
-//		EdDSAParameterSpec spec = EdDSANamedCurveTable.getByName(EdDSANamedCurveTable.CURVE_ED25519_SHA512);
-//		EdDSAPrivateKeySpec privateKeySpec = new EdDSAPrivateKeySpec(rawPrivKeyBytes, spec);
-//		byte[] rawPubKeyBytes = privateKeySpec.getA().toByteArray();
 		return new PubKey(ED25519, rawPubKeyBytes);
 	}
-//
-//	@Override
-//	public byte[] retrievePubKey(byte[] privKeyBytes) {
-//
-//		byte[] rawPrivKeyBytes = resolvePrivKey(privKeyBytes).getRawKeyBytes();
-//		EdDSAParameterSpec spec = EdDSANamedCurveTable.getByName(EdDSANamedCurveTable.CURVE_ED25519_SHA512);
-//		EdDSAPrivateKeySpec privateKeySpec = new EdDSAPrivateKeySpec(rawPrivKeyBytes, spec);
-//		byte[] rawPubKeyBytes = privateKeySpec.getA().toByteArray();
-//		return new PubKey(ED25519, rawPubKeyBytes).toBytes();
-//	}
 
 	@Override
 	public boolean supportPrivKey(byte[] privKeyBytes) {
@@ -112,7 +96,7 @@ public class ED25519SignatureFunction implements SignatureFunction {
 		if (supportPrivKey(privKeyBytes)) {
 			return new PrivKey(privKeyBytes);
 		} else {
-			throw new CryptoException("privKeyBytes is invalid!");
+			throw new CryptoException("privKeyBytes are invalid!");
 		}
 	}
 
@@ -121,7 +105,6 @@ public class ED25519SignatureFunction implements SignatureFunction {
 		// 验证输入字节数组长度=算法标识长度+密钥类型长度+密钥长度，密钥数据的算法标识对应ED25519签名算法，并且密钥类型是公钥
 		return pubKeyBytes.length == PUBKEY_LENGTH && CryptoAlgorithm.match(ED25519, pubKeyBytes)
 				&& pubKeyBytes[ALGORYTHM_CODE_SIZE] == PUBLIC.CODE;
-
 	}
 
 	@Override
@@ -129,7 +112,7 @@ public class ED25519SignatureFunction implements SignatureFunction {
 		if (supportPubKey(pubKeyBytes)) {
 			return new PubKey(pubKeyBytes);
 		} else {
-			throw new CryptoException("pubKeyBytes is invalid!");
+			throw new CryptoException("pubKeyBytes are invalid!");
 		}
 	}
 
@@ -144,7 +127,7 @@ public class ED25519SignatureFunction implements SignatureFunction {
 		if (supportDigest(digestBytes)) {
 			return new SignatureDigest(digestBytes);
 		} else {
-			throw new CryptoException("digestBytes is invalid!");
+			throw new CryptoException("digestBytes are invalid!");
 		}
 	}
 
@@ -155,6 +138,7 @@ public class ED25519SignatureFunction implements SignatureFunction {
 
 	@Override
 	public AsymmetricKeypair generateKeypair() {
+
 		// 调用ED25519算法的密钥生成算法生成公私钥对priKey和pubKey，返回密钥对
 		AsymmetricCipherKeyPair keyPair = ED25519Utils.generateKeyPair();
 		Ed25519PrivateKeyParameters privKeyParams = (Ed25519PrivateKeyParameters) keyPair.getPrivate();
@@ -162,12 +146,6 @@ public class ED25519SignatureFunction implements SignatureFunction {
 
 		byte[] privKeyBytes = privKeyParams.getEncoded();
 		byte[] pubKeyBytes = pubKeyParams.getEncoded();
-//		KeyPairGenerator keyPairGenerator = new KeyPairGenerator();
-//		KeyPair keyPair = keyPairGenerator.generateKeyPair();
-//		EdDSAPrivateKey privKey = (EdDSAPrivateKey) keyPair.getPrivate();
-//		EdDSAPublicKey pubKey = (EdDSAPublicKey) keyPair.getPublic();
-//		return new CryptoKeyPair(new PubKey(ED25519, pubKey.getAbyte()), new PrivKey(ED25519, privKey.getSeed()));
 		return new AsymmetricKeypair(new PubKey(ED25519, pubKeyBytes), new PrivKey(ED25519, privKeyBytes));
-
 	}
 }

source/crypto/crypto-classic/src/main/java/com/jd/blockchain/crypto/service/classic/RIPEMD160HashFunction.java

@@ -9,6 +9,7 @@ import com.jd.blockchain.crypto.CryptoBytes;
 import com.jd.blockchain.crypto.CryptoException;
 import com.jd.blockchain.crypto.HashDigest;
 import com.jd.blockchain.crypto.HashFunction;
+import com.jd.blockchain.crypto.utils.classic.RIPEMD160Utils;
 import com.jd.blockchain.utils.security.RipeMD160Utils;
 
 public class RIPEMD160HashFunction implements HashFunction {
@@ -34,7 +35,7 @@ public class RIPEMD160HashFunction implements HashFunction {
 			throw new CryptoException("data is null!");
 		}
 
-		byte[] digestBytes = RipeMD160Utils.hash(data);
+		byte[] digestBytes = RIPEMD160Utils.hash(data);
 		return new HashDigest(RIPEMD160, digestBytes);
 	}
 

source/crypto/crypto-classic/src/main/java/com/jd/blockchain/crypto/service/classic/RSACryptoFunction.java

@@ -1,14 +1,15 @@
 package com.jd.blockchain.crypto.service.classic;
 
-import com.jd.blockchain.crypto.AsymmetricCiphertext;
-import com.jd.blockchain.crypto.AsymmetricEncryptionFunction;
-import com.jd.blockchain.crypto.Ciphertext;
-import com.jd.blockchain.crypto.CryptoAlgorithm;
-import com.jd.blockchain.crypto.AsymmetricKeypair;
-import com.jd.blockchain.crypto.PrivKey;
-import com.jd.blockchain.crypto.PubKey;
-import com.jd.blockchain.crypto.SignatureDigest;
-import com.jd.blockchain.crypto.SignatureFunction;
+import com.jd.blockchain.crypto.*;
+import com.jd.blockchain.crypto.utils.classic.RSAUtils;
+import org.bouncycastle.crypto.AsymmetricCipherKeyPair;
+import org.bouncycastle.crypto.params.RSAKeyParameters;
+import org.bouncycastle.crypto.params.RSAPrivateCrtKeyParameters;
+
+import static com.jd.blockchain.crypto.BaseCryptoKey.KEY_TYPE_BYTES;
+import static com.jd.blockchain.crypto.CryptoBytes.ALGORYTHM_CODE_SIZE;
+import static com.jd.blockchain.crypto.CryptoKeyType.PRIVATE;
+import static com.jd.blockchain.crypto.CryptoKeyType.PUBLIC;
 
 /**
  * @author zhanglin33
@@ -17,78 +18,195 @@ import com.jd.blockchain.crypto.SignatureFunction;
  * @date 2019-03-25, 17:28
  */
 public class RSACryptoFunction implements AsymmetricEncryptionFunction, SignatureFunction {
+
+    private static final CryptoAlgorithm RSA = ClassicAlgorithm.RSA;
+
+    // modulus.length = 256, publicExponent.length = 1
+    private static final int PUBKEY_SIZE = 257;
+    // modulus.length = 256, publicExponent.length = 1, privateExponent.length = 256, p.length = 128, q.length =128,
+    // dP.length = 128, dQ.length = 128, qInv.length = 128
+    private static final int PRIVKEY_SIZE = 1153;
+
+    private static final int SIGNATUREDIGEST_SIZE = 256;
+    private static final int CIPHERTEXTBLOCK_SIZE = 256;
+
+    private static final int PUBKEY_LENGTH = ALGORYTHM_CODE_SIZE + KEY_TYPE_BYTES + PUBKEY_SIZE;
+    private static final int PRIVKEY_LENGTH = ALGORYTHM_CODE_SIZE + KEY_TYPE_BYTES + PRIVKEY_SIZE;
+    private static final int SIGNATUREDIGEST_LENGTH = ALGORYTHM_CODE_SIZE + SIGNATUREDIGEST_SIZE;
     @Override
     public Ciphertext encrypt(PubKey pubKey, byte[] data) {
-        return null;
+
+        byte[] rawPubKeyBytes = pubKey.getRawKeyBytes();
+
+        // 验证原始公钥长度为257字节
+        if (rawPubKeyBytes.length != PUBKEY_SIZE) {
+            throw new CryptoException("This key has wrong format!");
+        }
+
+        // 验证密钥数据的算法标识对应RSA算法
+        if (pubKey.getAlgorithm() != RSA.code()) {
+            throw new CryptoException("The is not RSA public key!");
+        }
+
+        // 调用RSA加密算法计算密文
+        return new AsymmetricCiphertext(RSA, RSAUtils.encrypt(data, rawPubKeyBytes));
     }
 
     @Override
     public byte[] decrypt(PrivKey privKey, Ciphertext ciphertext) {
-        return new byte[0];
+
+        byte[] rawPrivKeyBytes = privKey.getRawKeyBytes();
+        byte[] rawCiphertextBytes = ciphertext.getRawCiphertext();
+
+        // 验证原始私钥长度为1153字节
+        if (rawPrivKeyBytes.length != PRIVKEY_SIZE) {
+            throw new CryptoException("This key has wrong format!");
+        }
+
+        // 验证密钥数据的算法标识对应RSA算法
+        if (privKey.getAlgorithm() != RSA.code()) {
+            throw new CryptoException("This key is not RSA private key!");
+        }
+
+        // 验证密文数据的算法标识对应RSA算法，并且密文是分组长度的整数倍
+        if (ciphertext.getAlgorithm() != RSA.code()
+                || rawCiphertextBytes.length % CIPHERTEXTBLOCK_SIZE != 0) {
+            throw new CryptoException("This is not RSA ciphertext!");
+        }
+
+        // 调用RSA解密算法得到明文结果
+        return RSAUtils.decrypt(rawCiphertextBytes, rawPrivKeyBytes);
     }
 
     @Override
     public PubKey retrievePubKey(PrivKey privKey) {
-        return null;
+        byte[] rawPrivKeyBytes = privKey.getRawKeyBytes();
+        byte[] rawPubKeyBytes = RSAUtils.retrievePublicKey(rawPrivKeyBytes);
+        return new PubKey(RSA, rawPubKeyBytes);
     }
 
     @Override
     public SignatureDigest sign(PrivKey privKey, byte[] data) {
-        return null;
+
+        byte[] rawPrivKeyBytes = privKey.getRawKeyBytes();
+
+        // 验证原始私钥长度为1153字节
+        if (rawPrivKeyBytes.length != PRIVKEY_SIZE) {
+            throw new CryptoException("This key has wrong format!");
+        }
+
+        // 验证密钥数据的算法标识对应RSA签名算法
+        if (privKey.getAlgorithm() != RSA.code()) {
+            throw new CryptoException("This key is not RSA private key!");
+        }
+
+        // 调用RSA签名算法计算签名结果
+        return new SignatureDigest(RSA, RSAUtils.sign(data, rawPrivKeyBytes));
     }
 
     @Override
     public boolean verify(SignatureDigest digest, PubKey pubKey, byte[] data) {
-        return false;
+
+        byte[] rawPubKeyBytes = pubKey.getRawKeyBytes();
+        byte[] rawDigestBytes = digest.getRawDigest();
+
+        // 验证原始公钥长度为257字节
+        if (rawPubKeyBytes.length != PUBKEY_SIZE) {
+            throw new CryptoException("This key has wrong format!");
+        }
+
+        // 验证密钥数据的算法标识对应RSA签名算法
+        if (pubKey.getAlgorithm() != RSA.code()) {
+            throw new CryptoException("This key is not RSA public key!");
+        }
+
+        // 验证签名数据的算法标识对应RSA签名算法，并且原始签名长度为256字节
+        if (digest.getAlgorithm() != RSA.code() || rawDigestBytes.length != SIGNATUREDIGEST_SIZE) {
+            throw new CryptoException("This is not RSA signature digest!");
+        }
+
+        // 调用RSA验签算法验证签名结果
+        return RSAUtils.verify(data, rawPubKeyBytes, rawDigestBytes);
     }
 
     @Override
     public boolean supportPrivKey(byte[] privKeyBytes) {
-        return false;
+        // 验证输入字节数组长度=算法标识长度+密钥类型长度+密钥长度，密钥数据的算法标识对应RSA算法，并且密钥类型是私钥
+        return privKeyBytes.length == PRIVKEY_LENGTH && CryptoAlgorithm.match(RSA, privKeyBytes)
+                && privKeyBytes[ALGORYTHM_CODE_SIZE] == PRIVATE.CODE;
     }
 
     @Override
     public PrivKey resolvePrivKey(byte[] privKeyBytes) {
-        return null;
+        if (supportPrivKey(privKeyBytes)) {
+            return new PrivKey(privKeyBytes);
+        } else {
+            throw new CryptoException("privKeyBytes are invalid!");
+        }
     }
 
     @Override
     public boolean supportPubKey(byte[] pubKeyBytes) {
-        return false;
+        // 验证输入字节数组长度=算法标识长度+密钥类型长度+椭圆曲线点长度，密钥数据的算法标识对应RSA算法，并且密钥类型是公钥
+        return pubKeyBytes.length == PUBKEY_LENGTH && CryptoAlgorithm.match(RSA, pubKeyBytes)
+                && pubKeyBytes[ALGORYTHM_CODE_SIZE] == PUBLIC.CODE;
     }
 
     @Override
     public PubKey resolvePubKey(byte[] pubKeyBytes) {
-        return null;
+        if (supportPubKey(pubKeyBytes)) {
+            return new PubKey(pubKeyBytes);
+        } else {
+            throw new CryptoException("pubKeyBytes are invalid!");
+        }
     }
 
     @Override
     public boolean supportDigest(byte[] digestBytes) {
-        return false;
+        // 验证输入字节数组长度=算法标识长度+签名长度，字节数组的算法标识对应RSA算法
+        return digestBytes.length == SIGNATUREDIGEST_LENGTH && CryptoAlgorithm.match(RSA, digestBytes);
     }
 
     @Override
     public SignatureDigest resolveDigest(byte[] digestBytes) {
-        return null;
+        if (supportDigest(digestBytes)) {
+            return new SignatureDigest(digestBytes);
+        } else {
+            throw new CryptoException("digestBytes are invalid!");
+        }
     }
 
     @Override
     public boolean supportCiphertext(byte[] ciphertextBytes) {
-        return false;
+        // 验证输入字节数组长度=密文分组的整数倍，字节数组的算法标识对应RSA算法
+        return (ciphertextBytes.length % CIPHERTEXTBLOCK_SIZE == ALGORYTHM_CODE_SIZE)
+                && CryptoAlgorithm.match(RSA, ciphertextBytes);
     }
 
     @Override
     public AsymmetricCiphertext resolveCiphertext(byte[] ciphertextBytes) {
-        return null;
+        if (supportCiphertext(ciphertextBytes)) {
+            return new AsymmetricCiphertext(ciphertextBytes);
+        } else {
+            throw new CryptoException("ciphertextBytes are invalid!");
+        }
     }
 
     @Override
     public CryptoAlgorithm getAlgorithm() {
-        return null;
+        return RSA;
     }
 
     @Override
     public AsymmetricKeypair generateKeypair() {
-        return null;
+
+        AsymmetricCipherKeyPair keyPair = RSAUtils.generateKeyPair();
+        RSAKeyParameters pubKey = (RSAKeyParameters) keyPair.getPublic();
+        RSAPrivateCrtKeyParameters privKey = (RSAPrivateCrtKeyParameters) keyPair.getPrivate();
+
+        byte[] pubKeyBytes = RSAUtils.pubKey2Bytes_RawKey(pubKey);
+        byte[] privKeyBytes = RSAUtils.privKey2Bytes_RawKey(privKey);
+
+        return new AsymmetricKeypair(new PubKey(RSA, pubKeyBytes), new PrivKey(RSA, privKeyBytes));
     }
 }

source/crypto/crypto-classic/src/main/java/com/jd/blockchain/crypto/service/classic/SHA256HashFunction.java

@@ -9,6 +9,7 @@ import com.jd.blockchain.crypto.CryptoBytes;
 import com.jd.blockchain.crypto.CryptoException;
 import com.jd.blockchain.crypto.HashDigest;
 import com.jd.blockchain.crypto.HashFunction;
+import com.jd.blockchain.crypto.utils.classic.SHA256Utils;
 import com.jd.blockchain.utils.security.ShaUtils;
 
 public class SHA256HashFunction implements HashFunction {
@@ -34,7 +35,7 @@ public class SHA256HashFunction implements HashFunction {
 			throw new CryptoException("data is null!");
 		}
 
-		byte[] digestBytes = ShaUtils.hash_256(data);
+		byte[] digestBytes = SHA256Utils.hash(data);
 		return new HashDigest(SHA256, digestBytes);
 	}
 

source/crypto/crypto-classic/src/main/java/com/jd/blockchain/crypto/utils/classic/AESUtils.java

@@ -0,0 +1,170 @@
+package com.jd.blockchain.crypto.utils.classic;
+
+import com.jd.blockchain.crypto.CryptoException;
+import org.bouncycastle.crypto.CipherKeyGenerator;
+import org.bouncycastle.crypto.KeyGenerationParameters;
+import org.bouncycastle.crypto.engines.AESEngine;
+import org.bouncycastle.crypto.modes.CBCBlockCipher;
+import org.bouncycastle.crypto.paddings.PKCS7Padding;
+import org.bouncycastle.crypto.params.KeyParameter;
+import org.bouncycastle.crypto.params.ParametersWithIV;
+
+import java.security.SecureRandom;
+import java.util.Arrays;
+
+/**
+ * @author zhanglin33
+ * @title: AESUtils
+ * @description: AES128/CBC/PKCS7Padding symmetric encryption algorithm
+ * @date 2019-04-22, 09:37
+ */
+public class AESUtils {
+
+    // AES128 supports 128-bit(16 bytes) secret key
+    private static final int KEY_SIZE = 128 / 8;
+    // One block contains 16 bytes
+    private static final int BLOCK_SIZE = 16;
+    // Initial vector's size is 16 bytes
+    private static final int IV_SIZE = 16;
+
+    /**
+     * key generation
+     *
+     * @return secret key
+     */
+    public static byte[] generateKey(){
+
+        CipherKeyGenerator keyGenerator = new CipherKeyGenerator();
+
+        // To provide secure randomness and key length as input
+        // to prepare generate private key
+        keyGenerator.init(new KeyGenerationParameters(new SecureRandom(), KEY_SIZE * 8));
+
+        // To generate key
+        return keyGenerator.generateKey();
+    }
+
+    public static byte[] generateKey(byte[] seed){
+        byte[] hash  = SHA256Utils.hash(seed);
+        return Arrays.copyOf(hash, KEY_SIZE);
+    }
+
+
+    /**
+     * encryption
+     *
+     * @param plainBytes plaintext
+     * @param secretKey symmetric key
+     * @param iv initial vector
+     * @return ciphertext
+     */
+    public static byte[] encrypt(byte[] plainBytes, byte[] secretKey, byte[] iv){
+
+        // To ensure that plaintext is not null
+        if (plainBytes == null)
+        {
+            throw new CryptoException("plaintext is null!");
+        }
+
+        if (secretKey.length != KEY_SIZE)
+        {
+            throw new CryptoException("secretKey's length is wrong!");
+        }
+
+        if (iv.length != IV_SIZE)
+        {
+            throw new CryptoException("iv's length is wrong!");
+        }
+
+        // To get the value padded into input
+        int padding = 16 - plainBytes.length % BLOCK_SIZE;
+        // The plaintext with padding value
+        byte[] plainBytesWithPadding = new byte[plainBytes.length + padding];
+        System.arraycopy(plainBytes,0,plainBytesWithPadding,0,plainBytes.length);
+        // The padder adds PKCS7 padding to the input, which makes its length to
+        // become an integral multiple of 16 bytes
+        PKCS7Padding padder = new PKCS7Padding();
+        // To add padding
+        padder.addPadding(plainBytesWithPadding, plainBytes.length);
+
+        CBCBlockCipher encryptor = new CBCBlockCipher(new AESEngine());
+        // To provide key and initialisation vector as input
+        encryptor.init(true,new ParametersWithIV(new KeyParameter(secretKey),iv));
+        byte[] output = new byte[plainBytesWithPadding.length + IV_SIZE];
+        // To encrypt the input_p in CBC mode
+        for(int i = 0 ; i < plainBytesWithPadding.length/BLOCK_SIZE; i++) {
+            encryptor.processBlock(plainBytesWithPadding, i * BLOCK_SIZE, output, (i + 1) * BLOCK_SIZE);
+        }
+
+        // The IV locates on the first block of ciphertext
+        System.arraycopy(iv,0,output,0,BLOCK_SIZE);
+        return output;
+    }
+
+    public static byte[] encrypt(byte[] plainBytes, byte[] secretKey){
+
+        byte[] iv = new byte[IV_SIZE];
+        SecureRandom random = new SecureRandom();
+        random.nextBytes(iv);
+        return encrypt(plainBytes,secretKey,iv);
+    }
+
+    /**
+     * decryption
+     *
+     * @param cipherBytes ciphertext
+     * @param secretKey symmetric key
+     * @return plaintext
+     */
+    public static byte[] decrypt(byte[] cipherBytes, byte[] secretKey){
+
+        // To ensure that the ciphertext is not null
+        if (cipherBytes == null)
+        {
+            throw new CryptoException("ciphertext is null!");
+        }
+
+        // To ensure that the ciphertext's length is integral multiples of 16 bytes
+        if (cipherBytes.length % BLOCK_SIZE != 0)
+        {
+            throw new CryptoException("ciphertext's length is wrong!");
+        }
+
+        if (secretKey.length != KEY_SIZE)
+        {
+            throw new CryptoException("secretKey's length is wrong!");
+        }
+
+        byte[] iv = new byte[IV_SIZE];
+        System.arraycopy(cipherBytes,0,iv,0,BLOCK_SIZE);
+
+        CBCBlockCipher decryptor = new CBCBlockCipher(new AESEngine());
+        // To prepare the decryption
+        decryptor.init(false,new ParametersWithIV(new KeyParameter(secretKey),iv));
+        byte[] outputWithPadding = new byte[cipherBytes.length-BLOCK_SIZE];
+        // To decrypt the input in CBC mode
+        for(int i = 1 ; i < cipherBytes.length/BLOCK_SIZE ; i++) {
+            decryptor.processBlock(cipherBytes, i * BLOCK_SIZE, outputWithPadding, (i - 1) * BLOCK_SIZE);
+        }
+
+        int p = outputWithPadding[outputWithPadding.length-1];
+        // To ensure that the padding of output_p is valid
+        if(p > BLOCK_SIZE || p < 0x01)
+        {
+            throw new CryptoException("There no exists such padding!");
+
+        }
+        for(int i = 0 ; i < p ; i++)
+        {
+            if(outputWithPadding[outputWithPadding.length - i -1] != p)
+            {
+                throw new CryptoException("Padding is invalid!");
+            }
+        }
+
+        // To remove the padding from output and obtain plaintext
+        byte[] output = new byte[outputWithPadding.length - p];
+        System.arraycopy(outputWithPadding, 0, output, 0, output.length);
+        return output;
+    }
+}

source/crypto/crypto-classic/src/main/java/com/jd/blockchain/crypto/utils/classic/ECDSAUtils.java

@@ -89,10 +89,10 @@ public class ECDSAUtils {
         return sign(data,params);
     }
 
-    public static byte[] sign(byte[] data, byte[] privateKey, SecureRandom random, String ID){
+    public static byte[] sign(byte[] data, byte[] privateKey, SecureRandom random){
 
         ECPrivateKeyParameters privKey = new ECPrivateKeyParameters(new BigInteger(1,privateKey), DOMAIN_PARAMS);
-        CipherParameters params = new ParametersWithID(new ParametersWithRandom(privKey,random),ID.getBytes());
+        CipherParameters params = new ParametersWithRandom(privKey,random);
 
         return sign(data,params);
     }
@@ -100,16 +100,14 @@ public class ECDSAUtils {
     public static byte[] sign(byte[] data, CipherParameters params){
 
         byte[] hashedMsg = SHA256Utils.hash(data);
+        return sign(params,hashedMsg);
+    }
 
+    public static byte[] sign(CipherParameters params, byte[] hashedMsg){
         ECDSASigner signer = new ECDSASigner();
         signer.init(true, params);
         BigInteger[] signature = signer.generateSignature(hashedMsg);
 
-//        // To decode the signature
-//        ASN1Sequence sig = ASN1Sequence.getInstance(encodedSignature);
-//        byte[] rBytes = BigIntegerTo32Bytes(ASN1Integer.getInstance(sig.getObjectAt(0)).getValue());
-//        byte[] sBytes = BigIntegerTo32Bytes(ASN1Integer.getInstance(sig.getObjectAt(1)).getValue());
-
         byte[] rBytes = BigIntegerTo32Bytes(signature[0]);
         byte[] sBytes = BigIntegerTo32Bytes(signature[1]);
 
@@ -120,6 +118,7 @@ public class ECDSAUtils {
         return result;
     }
 
+
     /**
      * verification
      *
@@ -139,6 +138,10 @@ public class ECDSAUtils {
     public static boolean verify(byte[] data, CipherParameters params, byte[] signature){
 
         byte[] hashedMsg = SHA256Utils.hash(data);
+        return verify(params,signature,hashedMsg);
+    }
+
+    public static boolean verify(CipherParameters params, byte[] signature, byte[] hashedMsg){
 
         byte[] rBytes = new byte[R_SIZE];
         byte[] sBytes = new byte[S_SIZE];
@@ -153,7 +156,6 @@ public class ECDSAUtils {
         return verifier.verifySignature(hashedMsg,r,s);
     }
 
-
     // To convert BigInteger to byte[] whose length is 32
     private static byte[] BigIntegerTo32Bytes(BigInteger b){
         byte[] tmp = b.toByteArray();

source/crypto/crypto-classic/src/main/java/com/jd/blockchain/crypto/utils/classic/RIPEMD160Utils.java

@@ -0,0 +1,25 @@
+package com.jd.blockchain.crypto.utils.classic;
+
+import org.bouncycastle.crypto.digests.RIPEMD160Digest;
+
+/**
+ * @author zhanglin33
+ * @title: RIPEMD160Utils
+ * @description: RIPEMD160 hash algorithm
+ * @date 2019-04-10, 16:51
+ */
+public class RIPEMD160Utils {
+
+    // The length of RIPEMD160 output is 20 bytes
+    private static final int RIPEMD160DIGEST_LENGTH = 160 / 8;
+
+    public static byte[] hash(byte[] data){
+
+        byte[] result = new byte[RIPEMD160DIGEST_LENGTH];
+        RIPEMD160Digest ripemd160Digest = new RIPEMD160Digest();
+
+        ripemd160Digest.update(data,0,data.length);
+        ripemd160Digest.doFinal(result,0);
+        return result;
+    }
+}

source/crypto/crypto-classic/src/main/java/com/jd/blockchain/crypto/utils/classic/RSAUtils.java

@@ -1,10 +1,521 @@
 package com.jd.blockchain.crypto.utils.classic;
 
+import com.jd.blockchain.utils.io.BytesUtils;
+import org.bouncycastle.asn1.*;
+import org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers;
+import org.bouncycastle.asn1.pkcs.RSAPrivateKey;
+import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
+import org.bouncycastle.crypto.*;
+import org.bouncycastle.crypto.digests.SHA256Digest;
+import org.bouncycastle.crypto.encodings.PKCS1Encoding;
+import org.bouncycastle.crypto.engines.RSAEngine;
+import org.bouncycastle.crypto.generators.RSAKeyPairGenerator;
+import org.bouncycastle.crypto.params.ParametersWithRandom;
+import org.bouncycastle.crypto.params.RSAKeyGenerationParameters;
+import org.bouncycastle.crypto.params.RSAKeyParameters;
+import org.bouncycastle.crypto.params.RSAPrivateCrtKeyParameters;
+import org.bouncycastle.crypto.signers.RSADigestSigner;
+import org.bouncycastle.jcajce.provider.asymmetric.util.KeyUtil;
+import sun.security.rsa.RSAPrivateCrtKeyImpl;
+
+import java.io.IOException;
+import java.math.BigInteger;
+import java.security.KeyFactory;
+import java.security.NoSuchAlgorithmException;
+import java.security.SecureRandom;
+import java.security.interfaces.RSAPublicKey;
+import java.security.spec.InvalidKeySpecException;
+import java.security.spec.PKCS8EncodedKeySpec;
+import java.security.spec.X509EncodedKeySpec;
+
 /**
  * @author zhanglin33
  * @title: RSAUtils
- * @description: RSA encryption and signature algorithms
+ * @description: RSA2048 encryption(RSA/ECB/PKCS1Padding) and signature(SHA256withRSA) algorithms,
+ *               and keys are output in raw, PKCS1v2 and PKCS8 formats
  * @date 2019-03-25, 17:20
  */
-public class RSAUtils {
+public class  RSAUtils {
+
+    private static final int KEYSIZEBITS = 2048;
+    private static final int CERTAINTY = 100;
+
+    private static final int MODULUS_LENGTH = 2048 / 8;
+    private static final int PRIVEXP_LENGTH = 2048 / 8;
+    private static final int P_LENGTH       = 1024 / 8;
+    private static final int Q_LENGTH       = 1024 / 8;
+    private static final int DP_LENGTH      = 1024 / 8;
+    private static final int DQ_LENGTH      = 1024 / 8;
+    private static final int QINV_LENGTH    = 1024 / 8;
+
+    private static final BigInteger PUBEXP_0X03 = BigInteger.valueOf(0x03);
+
+    private static final BigInteger VERSION_2PRIMES = BigInteger.valueOf(0);
+
+    private static final AlgorithmIdentifier RSA_ALGORITHM_IDENTIFIER =
+            new AlgorithmIdentifier(PKCSObjectIdentifiers.rsaEncryption, DERNull.INSTANCE);
+
+    private static final int PLAINTEXT_BLOCKSIZE = 256 - 11;
+    private static final int CIPHERTEXT_BLOCKSIZE = 256;
+
+
+    //-----------------Key Generation Algorithm-----------------
+
+    /**
+     * key pair generation
+     *
+     * @return key pair
+     */
+    public static AsymmetricCipherKeyPair generateKeyPair(){
+        return generateKeyPair(new SecureRandom());
+    }
+
+    public static AsymmetricCipherKeyPair generateKeyPair(SecureRandom random){
+        AsymmetricCipherKeyPairGenerator kpGen = new RSAKeyPairGenerator();
+        kpGen.init(new RSAKeyGenerationParameters(PUBEXP_0X03, random, KEYSIZEBITS, CERTAINTY));
+        return kpGen.generateKeyPair();
+    }
+
+    // Retrieve public key in raw keys form
+    public static byte[] retrievePublicKey(byte[] privateKey) {
+
+        RSAPrivateCrtKeyParameters privKey = bytes2PrivKey_RawKey(privateKey);
+
+        BigInteger modulus  = privKey.getModulus();
+        BigInteger exponent = privKey.getPublicExponent();
+
+        RSAKeyParameters pubKey = new RSAKeyParameters(false, modulus, exponent);
+
+        return pubKey2Bytes_RawKey(pubKey);
+    }
+
+
+    //-----------------Digital Signature Algorithm-----------------
+
+    /**
+     * signature generation
+     *
+     * @param data data to be signed
+     * @param privateKey private key
+     * @return signature
+     */
+    public static byte[] sign(byte[] data, byte[] privateKey){
+        RSAPrivateCrtKeyParameters privKey = bytes2PrivKey_RawKey(privateKey);
+        return sign(data,privKey);
+    }
+
+    public static byte[] sign(byte[] data, CipherParameters params){
+
+        SHA256Digest digest = new SHA256Digest();
+        RSADigestSigner signer = new RSADigestSigner(digest);
+        signer.init(true, params);
+        signer.update(data, 0, data.length);
+        try {
+            return signer.generateSignature();
+        } catch (CryptoException e) {
+            throw new com.jd.blockchain.crypto.CryptoException(e.getMessage(), e);
+        }
+    }
+
+    /**
+     * verification
+     *
+     * @param data data to be signed
+     * @param publicKey public key
+     * @param signature signature to be verified
+     * @return true or false
+     */
+    public static boolean verify(byte[] data, byte[] publicKey, byte[] signature){
+        RSAKeyParameters pubKey = bytes2PubKey_RawKey(publicKey);
+        return verify(data,pubKey,signature);
+    }
+
+    public static boolean verify(byte[] data, CipherParameters params, byte[] signature){
+
+        SHA256Digest digest = new SHA256Digest();
+        RSADigestSigner signer = new RSADigestSigner(digest);
+
+        signer.init(false, params);
+        signer.update(data, 0, data.length);
+        return signer.verifySignature(signature);
+    }
+
+
+    //-----------------Public Key Encryption Algorithm-----------------
+
+    /**
+     * encryption
+     *
+     * @param plainBytes plaintext
+     * @param publicKey public key
+     * @return ciphertext
+     */
+    public static byte[] encrypt(byte[] plainBytes, byte[] publicKey){
+        RSAKeyParameters pubKey = bytes2PubKey_RawKey(publicKey);
+        return encrypt(plainBytes,pubKey);
+    }
+
+    public static byte[] encrypt(byte[] plainBytes, byte[] publicKey, SecureRandom random){
+
+        RSAKeyParameters pubKey = bytes2PubKey_RawKey(publicKey);
+        ParametersWithRandom params = new ParametersWithRandom(pubKey,random);
+
+        return encrypt(plainBytes,params);
+    }
+
+    public static byte[] encrypt(byte[] plainBytes, CipherParameters params){
+
+        int blockNum = (plainBytes.length % PLAINTEXT_BLOCKSIZE == 0) ? (plainBytes.length / PLAINTEXT_BLOCKSIZE)
+                : (plainBytes.length / PLAINTEXT_BLOCKSIZE + 1);
+        int inputLength;
+        byte[] result = new byte[blockNum * CIPHERTEXT_BLOCKSIZE];
+        byte[] buffer;
+
+        AsymmetricBlockCipher encryptor = new PKCS1Encoding(new RSAEngine());
+        encryptor.init(true, params);
+        try {
+            for (int i= 0; i < blockNum; i++) {
+                inputLength = ((plainBytes.length - i * PLAINTEXT_BLOCKSIZE) > PLAINTEXT_BLOCKSIZE)?
+                        PLAINTEXT_BLOCKSIZE : (plainBytes.length - i * PLAINTEXT_BLOCKSIZE);
+                buffer = encryptor.processBlock(plainBytes, i * PLAINTEXT_BLOCKSIZE, inputLength);
+                System.arraycopy(buffer,0,
+                        result, i * CIPHERTEXT_BLOCKSIZE, CIPHERTEXT_BLOCKSIZE);
+            }
+        } catch (InvalidCipherTextException e) {
+            throw new com.jd.blockchain.crypto.CryptoException(e.getMessage(), e);
+        }
+        return result;
+    }
+
+    /**
+     * decryption
+     *
+     * @param cipherBytes ciphertext
+     * @param privateKey private key
+     * @return plaintext
+     */
+    public static byte[] decrypt(byte[] cipherBytes, byte[] privateKey){
+        RSAPrivateCrtKeyParameters privKey = bytes2PrivKey_RawKey(privateKey);
+        return decrypt(cipherBytes,privKey);
+    }
+
+    public static byte[] decrypt(byte[] cipherBytes, CipherParameters params){
+
+        if (cipherBytes.length % CIPHERTEXT_BLOCKSIZE != 0)
+        {
+            throw new com.jd.blockchain.crypto.CryptoException("ciphertext's length is wrong!");
+        }
+
+        int blockNum = cipherBytes.length / CIPHERTEXT_BLOCKSIZE;
+        int count = 0;
+        byte[] buffer;
+        byte[] plaintextWithZeros = new byte[blockNum * PLAINTEXT_BLOCKSIZE];
+        byte[] result;
+
+        AsymmetricBlockCipher decryptor = new PKCS1Encoding(new RSAEngine());
+        decryptor.init(false,params);
+        try {
+            for (int i = 0; i < blockNum; i++){
+                buffer = decryptor.processBlock(cipherBytes,i * CIPHERTEXT_BLOCKSIZE, CIPHERTEXT_BLOCKSIZE);
+                count  += buffer.length;
+                System.arraycopy(buffer,0,plaintextWithZeros, i * PLAINTEXT_BLOCKSIZE, buffer.length);
+            }
+        } catch (InvalidCipherTextException e) {
+            throw new com.jd.blockchain.crypto.CryptoException(e.getMessage(), e);
+        }
+
+        result = new byte[count];
+        System.arraycopy(plaintextWithZeros,0,result,0,result.length);
+
+        return result;
+    }
+
+
+    /**
+     * This outputs the key in PKCS1v2 format.
+     *      RSAPublicKey ::= SEQUENCE {
+     *                          modulus INTEGER, -- n
+     *                          publicExponent INTEGER, -- e
+     *                      }
+     */
+    public static byte[] pubKey2Bytes_PKCS1(RSAKeyParameters pubKey)
+    {
+        ASN1EncodableVector v = new ASN1EncodableVector();
+
+        v.add(new ASN1Integer(pubKey.getModulus()));
+        v.add(new ASN1Integer(pubKey.getExponent()));
+
+        DERSequence pubKeySequence = new DERSequence(v);
+
+        byte[] result;
+
+        try {
+            result = pubKeySequence.getEncoded(ASN1Encoding.DER);
+        } catch (IOException e) {
+            throw new com.jd.blockchain.crypto.CryptoException(e.getMessage(), e);
+        }
+
+        return result;
+    }
+
+    public static byte[] pubKey2Bytes_PKCS8(RSAKeyParameters pubKey){
+
+        BigInteger modulus = pubKey.getModulus();
+        BigInteger exponent = pubKey.getExponent();
+
+        return KeyUtil.getEncodedSubjectPublicKeyInfo(RSA_ALGORITHM_IDENTIFIER,
+                new org.bouncycastle.asn1.pkcs.RSAPublicKey(modulus, exponent));
+    }
+
+    public static byte[] pubKey2Bytes_RawKey(RSAKeyParameters pubKey){
+
+        BigInteger modulus  = pubKey.getModulus();
+        BigInteger exponent = pubKey.getExponent();
+
+        byte[] exponentBytes = exponent.toByteArray();
+        byte[] modulusBytes = bigInteger2Bytes(modulus,MODULUS_LENGTH);
+
+        return BytesUtils.concat(modulusBytes,exponentBytes);
+    }
+
+    public static RSAKeyParameters bytes2PubKey_PKCS1(byte[] pubKeyBytes) {
+
+        ASN1Sequence pubKeySequence = ASN1Sequence.getInstance(pubKeyBytes);
+
+        BigInteger modulus  = ASN1Integer.getInstance(pubKeySequence.getObjectAt(0)).getValue();
+        BigInteger exponent = ASN1Integer.getInstance(pubKeySequence.getObjectAt(1)).getValue();
+
+        return new RSAKeyParameters(false, modulus, exponent);
+    }
+
+    public static RSAKeyParameters bytes2PubKey_PKCS8(byte[] pubKeyBytes) {
+
+        X509EncodedKeySpec keySpec = new X509EncodedKeySpec(pubKeyBytes);
+
+        KeyFactory keyFactory = null;
+        try {
+            keyFactory = KeyFactory.getInstance("RSA");
+        } catch (NoSuchAlgorithmException e) {
+            throw new com.jd.blockchain.crypto.CryptoException(e.getMessage(), e);
+        }
+
+        RSAPublicKey publicKey = null;
+        try {
+            publicKey = (RSAPublicKey) keyFactory.generatePublic(keySpec);
+        } catch (InvalidKeySpecException e) {
+            throw new com.jd.blockchain.crypto.CryptoException(e.getMessage(), e);
+        }
+
+        assert publicKey != null;
+
+        BigInteger exponent = publicKey.getPublicExponent();
+        BigInteger modulus = publicKey.getModulus();
+
+        return new RSAKeyParameters(false,modulus,exponent);
+    }
+
+    public static RSAKeyParameters bytes2PubKey_RawKey(byte[] pubKeyBytes) {
+
+        byte[] modulusBytes  = new byte[MODULUS_LENGTH];
+        byte[] exponentBytes = new byte[pubKeyBytes.length - MODULUS_LENGTH];
+
+        System.arraycopy(pubKeyBytes,0, modulusBytes,0, MODULUS_LENGTH);
+
+        System.arraycopy(pubKeyBytes,MODULUS_LENGTH, exponentBytes,0,exponentBytes.length);
+
+        BigInteger modulus = new BigInteger(1, modulusBytes);
+        BigInteger exponent = new BigInteger(1, exponentBytes);
+
+        return new RSAKeyParameters(false,modulus,exponent);
+    }
+
+    /**
+     * This outputs the key in PKCS1v2 format.
+     *      RSAPrivateKey ::= SEQUENCE {
+     *                          VERSION_2PRIMES Version,
+     *                          modulus INTEGER, -- n
+     *                          publicExponent INTEGER, -- e
+     *                          privateExponent INTEGER, -- d
+     *                          prime1 INTEGER, -- p
+     *                          prime2 INTEGER, -- q
+     *                          exponent1 INTEGER, -- d mod (p-1)
+     *                          exponent2 INTEGER, -- d mod (q-1)
+     *                          coefficient INTEGER, -- (inverse of q) mod p
+     *                          otherPrimeInfos OtherPrimeInfos OPTIONAL
+     *                      }
+     *
+     *      Version ::= INTEGER { two-prime(0), multi(1) }
+     *        (CONSTRAINED BY {-- version must be multi if otherPrimeInfos present --})
+     *
+     * This routine is written to output PKCS1 version 2.1, private keys.
+     */
+    public static byte[] privKey2Bytes_PKCS1(RSAPrivateCrtKeyParameters privKey)
+    {
+        ASN1EncodableVector v = new ASN1EncodableVector();
+
+        v.add(new ASN1Integer(VERSION_2PRIMES));                       // version
+        v.add(new ASN1Integer(privKey.getModulus()));
+        v.add(new ASN1Integer(privKey.getPublicExponent()));
+        v.add(new ASN1Integer(privKey.getExponent()));
+        v.add(new ASN1Integer(privKey.getP()));
+        v.add(new ASN1Integer(privKey.getQ()));
+        v.add(new ASN1Integer(privKey.getDP()));
+        v.add(new ASN1Integer(privKey.getDQ()));
+        v.add(new ASN1Integer(privKey.getQInv()));
+
+        DERSequence privKeySequence = new DERSequence(v);
+
+        byte[] result;
+
+        try {
+            result = privKeySequence.getEncoded(ASN1Encoding.DER);
+        } catch (IOException e) {
+            throw new com.jd.blockchain.crypto.CryptoException(e.getMessage(), e);
+        }
+
+        return result;
+    }
+
+    public static byte[] privKey2Bytes_PKCS8(RSAPrivateCrtKeyParameters privKey){
+
+        BigInteger modulus = privKey.getModulus();
+        BigInteger pubExp  = privKey.getPublicExponent();
+        BigInteger privExp = privKey.getExponent();
+        BigInteger p       = privKey.getP();
+        BigInteger q       = privKey.getQ();
+        BigInteger dP      = privKey.getDP();
+        BigInteger dQ      = privKey.getDQ();
+        BigInteger qInv    = privKey.getQInv();
+
+        return KeyUtil.getEncodedPrivateKeyInfo(RSA_ALGORITHM_IDENTIFIER,
+                new RSAPrivateKey(modulus, pubExp, privExp, p, q, dP, dQ, qInv));
+    }
+
+    public static byte[] privKey2Bytes_RawKey(RSAPrivateCrtKeyParameters privKey){
+
+        BigInteger modulus = privKey.getModulus();
+        BigInteger pubExp  = privKey.getPublicExponent();
+        BigInteger privExp = privKey.getExponent();
+        BigInteger p       = privKey.getP();
+        BigInteger q       = privKey.getQ();
+        BigInteger dP      = privKey.getDP();
+        BigInteger dQ      = privKey.getDQ();
+        BigInteger qInv    = privKey.getQInv();
+
+        byte[] modulusBytes = bigInteger2Bytes(modulus,MODULUS_LENGTH);
+        byte[] pubExpBytes = pubExp.toByteArray();
+        byte[] privExpBytes = bigInteger2Bytes(privExp,PRIVEXP_LENGTH);
+        byte[] pBytes       = bigInteger2Bytes(p,P_LENGTH);
+        byte[] qBytes       = bigInteger2Bytes(q,Q_LENGTH);
+        byte[] dPBytes      = bigInteger2Bytes(dP,DP_LENGTH);
+        byte[] dQBytes      = bigInteger2Bytes(dQ,DQ_LENGTH);
+        byte[] qInvBytes    = bigInteger2Bytes(qInv,QINV_LENGTH);
+
+
+        return BytesUtils.concat(modulusBytes,pubExpBytes,privExpBytes,pBytes,qBytes,dPBytes,dQBytes,qInvBytes);
+    }
+
+    public static RSAPrivateCrtKeyParameters bytes2PrivKey_PKCS1(byte[] privKeyBytes){
+
+        ASN1Sequence priKeySequence = ASN1Sequence.getInstance(privKeyBytes);
+
+        BigInteger modulus = ASN1Integer.getInstance(priKeySequence.getObjectAt(1)).getValue();
+        BigInteger pubExp  = ASN1Integer.getInstance(priKeySequence.getObjectAt(2)).getValue();
+        BigInteger privExp = ASN1Integer.getInstance(priKeySequence.getObjectAt(3)).getValue();
+        BigInteger p       = ASN1Integer.getInstance(priKeySequence.getObjectAt(4)).getValue();
+        BigInteger q       = ASN1Integer.getInstance(priKeySequence.getObjectAt(5)).getValue();
+        BigInteger dP      = ASN1Integer.getInstance(priKeySequence.getObjectAt(6)).getValue();
+        BigInteger dQ      = ASN1Integer.getInstance(priKeySequence.getObjectAt(7)).getValue();
+        BigInteger qInv    = ASN1Integer.getInstance(priKeySequence.getObjectAt(8)).getValue();
+
+        return new RSAPrivateCrtKeyParameters(modulus, pubExp, privExp, p, q, dP, dQ, qInv);
+    }
+
+    public static RSAPrivateCrtKeyParameters bytes2PrivKey_PKCS8(byte[] privKeyBytes){
+
+        PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec(privKeyBytes);
+
+        KeyFactory keyFactory = null;
+        try {
+            keyFactory = KeyFactory.getInstance("RSA");
+        } catch (NoSuchAlgorithmException e) {
+            throw new com.jd.blockchain.crypto.CryptoException(e.getMessage(), e);
+        }
+
+        RSAPrivateCrtKeyImpl privateKey;
+        try {
+            privateKey = (RSAPrivateCrtKeyImpl) keyFactory.generatePrivate(keySpec);
+        } catch (InvalidKeySpecException e) {
+            throw new com.jd.blockchain.crypto.CryptoException(e.getMessage(), e);
+        }
+
+        assert privateKey != null;
+
+        BigInteger modulus = privateKey.getModulus();
+        BigInteger pubExp  = privateKey.getPublicExponent();
+        BigInteger privExp = privateKey.getPrivateExponent();
+        BigInteger p       = privateKey.getPrimeP();
+        BigInteger q       = privateKey.getPrimeQ();
+        BigInteger dP      = privateKey.getPrimeExponentP();
+        BigInteger dQ      = privateKey.getPrimeExponentQ();
+        BigInteger qInv    = privateKey.getCrtCoefficient();
+
+        return new RSAPrivateCrtKeyParameters(modulus, pubExp, privExp, p, q, dP, dQ, qInv);
+    }
+
+    public static RSAPrivateCrtKeyParameters bytes2PrivKey_RawKey(byte[] privKeyBytes){
+
+        byte[] modulusBytes  = new byte[MODULUS_LENGTH];
+        byte[] pubExpBytes   = new byte[privKeyBytes.length - MODULUS_LENGTH - PRIVEXP_LENGTH - P_LENGTH - Q_LENGTH
+                                        - DP_LENGTH - DQ_LENGTH - QINV_LENGTH];
+        byte[] privExpBytes  = new byte[PRIVEXP_LENGTH];
+        byte[] pBytes        = new byte[P_LENGTH];
+        byte[] qBytes        = new byte[Q_LENGTH];
+        byte[] dPBytes       = new byte[DP_LENGTH];
+        byte[] dQBytes       = new byte[DQ_LENGTH];
+        byte[] qInvBytes     = new byte[QINV_LENGTH];
+
+        System.arraycopy(privKeyBytes,0, modulusBytes,0, MODULUS_LENGTH);
+        System.arraycopy(privKeyBytes, MODULUS_LENGTH, pubExpBytes,0,pubExpBytes.length);
+        System.arraycopy(privKeyBytes,MODULUS_LENGTH + pubExpBytes.length,
+                privExpBytes,0,PRIVEXP_LENGTH);
+        System.arraycopy(privKeyBytes,MODULUS_LENGTH + pubExpBytes.length + PRIVEXP_LENGTH,
+                pBytes,0,P_LENGTH);
+        System.arraycopy(privKeyBytes,MODULUS_LENGTH + pubExpBytes.length + PRIVEXP_LENGTH + P_LENGTH,
+                qBytes,0,Q_LENGTH);
+        System.arraycopy(privKeyBytes,MODULUS_LENGTH + pubExpBytes.length + PRIVEXP_LENGTH + P_LENGTH +
+                Q_LENGTH, dPBytes,0,DP_LENGTH);
+        System.arraycopy(privKeyBytes,MODULUS_LENGTH + pubExpBytes.length + PRIVEXP_LENGTH + P_LENGTH +
+                Q_LENGTH + DP_LENGTH, dQBytes,0,DQ_LENGTH);
+        System.arraycopy(privKeyBytes,MODULUS_LENGTH + pubExpBytes.length + PRIVEXP_LENGTH + P_LENGTH +
+                Q_LENGTH + DP_LENGTH + DQ_LENGTH, qInvBytes,0,QINV_LENGTH);
+
+        BigInteger modulus = new BigInteger(1, modulusBytes);
+        BigInteger pubExp  = new BigInteger(1, pubExpBytes);
+        BigInteger privExp = new BigInteger(1, privExpBytes);
+        BigInteger p       = new BigInteger(1, pBytes);
+        BigInteger q       = new BigInteger(1, qBytes);
+        BigInteger dP      = new BigInteger(1, dPBytes);
+        BigInteger dQ      = new BigInteger(1, dQBytes);
+        BigInteger qInv    = new BigInteger(1, qInvBytes);
+
+        return new RSAPrivateCrtKeyParameters(modulus, pubExp, privExp, p, q, dP, dQ, qInv);
+    }
+
+    private static byte[] bigInteger2Bytes(BigInteger src, int length){
+
+        byte[] result = new byte[length];
+        byte[] srcBytes = src.toByteArray();
+        int srcLength = srcBytes.length;
+
+        if (srcLength > length) {
+            System.arraycopy(srcBytes,srcLength - length,
+                    result,0, length);
+        } else {
+            System.arraycopy(srcBytes,0,
+                    result,length - srcLength, length);
+        }
+
+        return result;
+    }
 }

source/crypto/crypto-classic/src/test/java/test/com/jd/blockchain/crypto/service/classic/ECDSASignatureFunctionTest.java

@@ -0,0 +1,352 @@
+package test.com.jd.blockchain.crypto.service.classic;
+
+import com.jd.blockchain.crypto.*;
+import com.jd.blockchain.crypto.service.classic.ClassicAlgorithm;
+import com.jd.blockchain.utils.io.BytesUtils;
+import org.junit.Test;
+
+import java.util.Random;
+
+import static com.jd.blockchain.crypto.CryptoAlgorithm.ASYMMETRIC_KEY;
+import static com.jd.blockchain.crypto.CryptoAlgorithm.SIGNATURE_ALGORITHM;
+import static com.jd.blockchain.crypto.CryptoKeyType.PRIVATE;
+import static com.jd.blockchain.crypto.CryptoKeyType.PUBLIC;
+import static org.junit.Assert.*;
+
+/**
+ * @author zhanglin33
+ * @title: ECDSASignatureFunctionTest
+ * @description: JunitTest for ECDSASignatureFunction in SPI mode
+ * @date 2019-04-23, 09:37
+ */
+public class ECDSASignatureFunctionTest {
+
+    @Test
+    public void getAlgorithmTest() {
+
+        CryptoAlgorithm algorithm = Crypto.getAlgorithm("ECDSA");
+        assertNotNull(algorithm);
+
+        SignatureFunction signatureFunction = Crypto.getSignatureFunction(algorithm);
+
+        assertEquals(signatureFunction.getAlgorithm().name(), algorithm.name());
+        assertEquals(signatureFunction.getAlgorithm().code(), algorithm.code());
+
+        algorithm = Crypto.getAlgorithm("eCDsA");
+        assertNotNull(algorithm);
+
+        assertEquals(signatureFunction.getAlgorithm().name(), algorithm.name());
+        assertEquals(signatureFunction.getAlgorithm().code(), algorithm.code());
+
+        algorithm = Crypto.getAlgorithm("eedsa");
+        assertNull(algorithm);
+    }
+
+    @Test
+    public void generateKeyPairTest() {
+
+        CryptoAlgorithm algorithm = Crypto.getAlgorithm("ECDSA");
+        assertNotNull(algorithm);
+
+        SignatureFunction signatureFunction = Crypto.getSignatureFunction(algorithm);
+
+        AsymmetricKeypair keyPair = signatureFunction.generateKeypair();
+
+        PubKey pubKey = keyPair.getPubKey();
+        PrivKey privKey = keyPair.getPrivKey();
+
+        assertEquals(PUBLIC.CODE, pubKey.getKeyType().CODE);
+        assertEquals(65, pubKey.getRawKeyBytes().length);
+        assertEquals(PRIVATE.CODE, privKey.getKeyType().CODE);
+        assertEquals(32, privKey.getRawKeyBytes().length);
+
+        assertEquals(algorithm.code(), pubKey.getAlgorithm());
+        assertEquals(algorithm.code(), privKey.getAlgorithm());
+
+        assertEquals(2 + 1 + 65, pubKey.toBytes().length);
+        assertEquals(2 + 1 + 32, privKey.toBytes().length);
+
+        byte[] algoBytes = CryptoAlgorithm.toBytes(algorithm);
+        byte[] pubKeyTypeBytes = new byte[] { PUBLIC.CODE };
+        byte[] privKeyTypeBytes = new byte[] { PRIVATE.CODE };
+        byte[] rawPubKeyBytes = pubKey.getRawKeyBytes();
+        byte[] rawPrivKeyBytes = privKey.getRawKeyBytes();
+        assertArrayEquals(BytesUtils.concat(algoBytes, pubKeyTypeBytes, rawPubKeyBytes), pubKey.toBytes());
+        assertArrayEquals(BytesUtils.concat(algoBytes, privKeyTypeBytes, rawPrivKeyBytes), privKey.toBytes());
+    }
+
+    @Test
+    public void retrievePubKeyTest() {
+
+        CryptoAlgorithm algorithm = Crypto.getAlgorithm("ECDSA");
+        assertNotNull(algorithm);
+
+        SignatureFunction signatureFunction = Crypto.getSignatureFunction(algorithm);
+
+        AsymmetricKeypair keyPair = signatureFunction.generateKeypair();
+
+        PubKey pubKey = keyPair.getPubKey();
+        PrivKey privKey = keyPair.getPrivKey();
+
+        PubKey retrievedPubKey = signatureFunction.retrievePubKey(privKey);
+
+        assertEquals(pubKey.getKeyType(), retrievedPubKey.getKeyType());
+        assertEquals(pubKey.getRawKeyBytes().length, retrievedPubKey.getRawKeyBytes().length);
+        assertEquals(pubKey.getAlgorithm(), retrievedPubKey.getAlgorithm());
+        assertArrayEquals(pubKey.toBytes(), retrievedPubKey.toBytes());
+    }
+
+    @Test
+    public void signTest() {
+
+        byte[] data = new byte[1024];
+        Random random = new Random();
+        random.nextBytes(data);
+
+        CryptoAlgorithm algorithm = Crypto.getAlgorithm("ECDSA");
+        assertNotNull(algorithm);
+
+        SignatureFunction signatureFunction = Crypto.getSignatureFunction(algorithm);
+
+        AsymmetricKeypair keyPair = signatureFunction.generateKeypair();
+
+        PrivKey privKey = keyPair.getPrivKey();
+        SignatureDigest signatureDigest = signatureFunction.sign(privKey, data);
+
+        byte[] signatureBytes = signatureDigest.toBytes();
+
+        assertEquals(2 + 64, signatureBytes.length);
+        assertEquals(ClassicAlgorithm.ECDSA.code(), signatureDigest.getAlgorithm());
+        assertEquals((short) (SIGNATURE_ALGORITHM | ASYMMETRIC_KEY | ((byte) 22 & 0x00FF)),
+                signatureDigest.getAlgorithm());
+
+        byte[] algoBytes = BytesUtils.toBytes(signatureDigest.getAlgorithm());
+        byte[] rawSinatureBytes = signatureDigest.getRawDigest();
+        assertArrayEquals(BytesUtils.concat(algoBytes, rawSinatureBytes), signatureBytes);
+    }
+
+    @Test
+    public void verifyTest() {
+        byte[] data = new byte[1024];
+        Random random = new Random();
+        random.nextBytes(data);
+
+        CryptoAlgorithm algorithm = Crypto.getAlgorithm("ECDSA");
+        assertNotNull(algorithm);
+
+        SignatureFunction signatureFunction = Crypto.getSignatureFunction(algorithm);
+
+        AsymmetricKeypair keyPair = signatureFunction.generateKeypair();
+
+        PubKey pubKey = keyPair.getPubKey();
+        PrivKey privKey = keyPair.getPrivKey();
+        SignatureDigest signatureDigest = signatureFunction.sign(privKey, data);
+
+        assertTrue(signatureFunction.verify(signatureDigest, pubKey, data));
+    }
+
+    @Test
+    public void supportPrivKeyTest() {
+
+        CryptoAlgorithm algorithm = Crypto.getAlgorithm("ECDSA");
+        assertNotNull(algorithm);
+
+        SignatureFunction signatureFunction = Crypto.getSignatureFunction(algorithm);
+
+        AsymmetricKeypair keyPair = signatureFunction.generateKeypair();
+
+        PrivKey privKey = keyPair.getPrivKey();
+        byte[] privKeyBytes = privKey.toBytes();
+
+        assertTrue(signatureFunction.supportPrivKey(privKeyBytes));
+
+        algorithm = Crypto.getAlgorithm("ripemd160");
+        assertNotNull(algorithm);
+        byte[] algoBytes = CryptoAlgorithm.toBytes(algorithm);
+        byte[] pubKeyTypeBytes = new byte[] { PUBLIC.CODE };
+        byte[] rawKeyBytes = privKey.getRawKeyBytes();
+        byte[] ripemd160PubKeyBytes = BytesUtils.concat(algoBytes, pubKeyTypeBytes, rawKeyBytes);
+
+        assertFalse(signatureFunction.supportPrivKey(ripemd160PubKeyBytes));
+    }
+
+    @Test
+    public void resolvePrivKeyTest() {
+
+        CryptoAlgorithm algorithm = Crypto.getAlgorithm("ECDSA");
+        assertNotNull(algorithm);
+
+        SignatureFunction signatureFunction = Crypto.getSignatureFunction(algorithm);
+
+        AsymmetricKeypair keyPair = signatureFunction.generateKeypair();
+
+        PrivKey privKey = keyPair.getPrivKey();
+        byte[] privKeyBytes = privKey.toBytes();
+
+        PrivKey resolvedPrivKey = signatureFunction.resolvePrivKey(privKeyBytes);
+
+        assertEquals(PRIVATE.CODE, resolvedPrivKey.getKeyType().CODE);
+        assertEquals(32, resolvedPrivKey.getRawKeyBytes().length);
+        assertEquals(ClassicAlgorithm.ECDSA.code(), resolvedPrivKey.getAlgorithm());
+        assertEquals((short) (SIGNATURE_ALGORITHM | ASYMMETRIC_KEY | ((byte) 22 & 0x00FF)),
+                resolvedPrivKey.getAlgorithm());
+        assertArrayEquals(privKeyBytes, resolvedPrivKey.toBytes());
+
+        algorithm = Crypto.getAlgorithm("ripemd160");
+        assertNotNull(algorithm);
+        byte[] algoBytes = CryptoAlgorithm.toBytes(algorithm);
+        byte[] pubKeyTypeBytes = new byte[] { PUBLIC.CODE };
+        byte[] rawKeyBytes = privKey.getRawKeyBytes();
+        byte[] ripemd160PubKeyBytes = BytesUtils.concat(algoBytes, pubKeyTypeBytes, rawKeyBytes);
+
+        Class<?> expectedException = CryptoException.class;
+        Exception actualEx = null;
+        try {
+            signatureFunction.resolvePrivKey(ripemd160PubKeyBytes);
+        } catch (Exception e) {
+            actualEx = e;
+        }
+        assertNotNull(actualEx);
+        assertTrue(expectedException.isAssignableFrom(actualEx.getClass()));
+    }
+
+    @Test
+    public void supportPubKeyTest() {
+
+        CryptoAlgorithm algorithm = Crypto.getAlgorithm("ECDSA");
+        assertNotNull(algorithm);
+
+        SignatureFunction signatureFunction = Crypto.getSignatureFunction(algorithm);
+
+        AsymmetricKeypair keyPair = signatureFunction.generateKeypair();
+
+        PubKey pubKey = keyPair.getPubKey();
+        byte[] pubKeyBytes = pubKey.toBytes();
+
+        assertTrue(signatureFunction.supportPubKey(pubKeyBytes));
+
+        algorithm = Crypto.getAlgorithm("ripemd160");
+        assertNotNull(algorithm);
+        byte[] algoBytes = CryptoAlgorithm.toBytes(algorithm);
+        byte[] privKeyTypeBytes = new byte[] { PRIVATE.CODE };
+        byte[] rawKeyBytes = pubKey.getRawKeyBytes();
+        byte[] ripemd160PrivKeyBytes = BytesUtils.concat(algoBytes, privKeyTypeBytes, rawKeyBytes);
+
+        assertFalse(signatureFunction.supportPubKey(ripemd160PrivKeyBytes));
+    }
+
+    @Test
+    public void resolvePubKeyTest() {
+
+        CryptoAlgorithm algorithm = Crypto.getAlgorithm("ECDSA");
+        assertNotNull(algorithm);
+
+        SignatureFunction signatureFunction = Crypto.getSignatureFunction(algorithm);
+
+        AsymmetricKeypair keyPair = signatureFunction.generateKeypair();
+
+        PubKey pubKey = keyPair.getPubKey();
+        byte[] pubKeyBytes = pubKey.toBytes();
+
+        PubKey resolvedPubKey = signatureFunction.resolvePubKey(pubKeyBytes);
+
+        assertEquals(PUBLIC.CODE, resolvedPubKey.getKeyType().CODE);
+        assertEquals(65, resolvedPubKey.getRawKeyBytes().length);
+        assertEquals(ClassicAlgorithm.ECDSA.code(), resolvedPubKey.getAlgorithm());
+        assertEquals((short) (SIGNATURE_ALGORITHM | ASYMMETRIC_KEY | ((byte) 22 & 0x00FF)),
+                resolvedPubKey.getAlgorithm());
+        assertArrayEquals(pubKeyBytes, resolvedPubKey.toBytes());
+
+        algorithm = Crypto.getAlgorithm("ripemd160");
+        assertNotNull(algorithm);
+        byte[] algoBytes = CryptoAlgorithm.toBytes(algorithm);
+        byte[] privKeyTypeBytes = new byte[] { PRIVATE.CODE };
+        byte[] rawKeyBytes = pubKey.getRawKeyBytes();
+        byte[] ripemd160PrivKeyBytes = BytesUtils.concat(algoBytes, privKeyTypeBytes, rawKeyBytes);
+
+        Class<?> expectedException = CryptoException.class;
+        Exception actualEx = null;
+        try {
+            signatureFunction.resolvePrivKey(ripemd160PrivKeyBytes);
+        } catch (Exception e) {
+            actualEx = e;
+        }
+        assertNotNull(actualEx);
+        assertTrue(expectedException.isAssignableFrom(actualEx.getClass()));
+    }
+
+    @Test
+    public void supportDigestTest() {
+
+        byte[] data = new byte[1024];
+        Random random = new Random();
+        random.nextBytes(data);
+
+        CryptoAlgorithm algorithm = Crypto.getAlgorithm("ECDSA");
+        assertNotNull(algorithm);
+
+        SignatureFunction signatureFunction = Crypto.getSignatureFunction(algorithm);
+
+        AsymmetricKeypair keyPair = signatureFunction.generateKeypair();
+
+        PrivKey privKey = keyPair.getPrivKey();
+
+        SignatureDigest signatureDigest = signatureFunction.sign(privKey, data);
+
+        byte[] signatureDigestBytes = signatureDigest.toBytes();
+        assertTrue(signatureFunction.supportDigest(signatureDigestBytes));
+
+        algorithm = Crypto.getAlgorithm("ripemd160");
+        assertNotNull(algorithm);
+        byte[] algoBytes = CryptoAlgorithm.toBytes(algorithm);
+        byte[] rawDigestBytes = signatureDigest.toBytes();
+        byte[] ripemd160SignatureBytes = BytesUtils.concat(algoBytes, rawDigestBytes);
+
+        assertFalse(signatureFunction.supportDigest(ripemd160SignatureBytes));
+    }
+
+    @Test
+    public void resolveDigestTest() {
+
+        byte[] data = new byte[1024];
+        Random random = new Random();
+        random.nextBytes(data);
+
+        CryptoAlgorithm algorithm = Crypto.getAlgorithm("ECDSA");
+        assertNotNull(algorithm);
+
+        SignatureFunction signatureFunction = Crypto.getSignatureFunction(algorithm);
+
+        AsymmetricKeypair keyPair = signatureFunction.generateKeypair();
+
+        PrivKey privKey = keyPair.getPrivKey();
+
+        SignatureDigest signatureDigest = signatureFunction.sign(privKey, data);
+
+        byte[] signatureDigestBytes = signatureDigest.toBytes();
+
+        SignatureDigest resolvedSignatureDigest = signatureFunction.resolveDigest(signatureDigestBytes);
+
+        assertEquals(64, resolvedSignatureDigest.getRawDigest().length);
+        assertEquals(ClassicAlgorithm.ECDSA.code(), resolvedSignatureDigest.getAlgorithm());
+        assertEquals((short) (SIGNATURE_ALGORITHM | ASYMMETRIC_KEY | ((byte) 22 & 0x00FF)),
+                resolvedSignatureDigest.getAlgorithm());
+        assertArrayEquals(signatureDigestBytes, resolvedSignatureDigest.toBytes());
+
+        algorithm = Crypto.getAlgorithm("ripemd160");
+        assertNotNull(algorithm);
+        byte[] algoBytes = CryptoAlgorithm.toBytes(algorithm);
+        byte[] rawDigestBytes = signatureDigest.getRawDigest();
+        byte[] ripemd160SignatureDigestBytes = BytesUtils.concat(algoBytes, rawDigestBytes);
+
+        Class<?> expectedException = CryptoException.class;
+        Exception actualEx = null;
+        try {
+            signatureFunction.resolveDigest(ripemd160SignatureDigestBytes);
+        } catch (Exception e) {
+            actualEx = e;
+        }
+        assertNotNull(actualEx);
+        assertTrue(expectedException.isAssignableFrom(actualEx.getClass()));
+    }
+}

source/crypto/crypto-classic/src/test/java/test/com/jd/blockchain/crypto/service/classic/RSACryptoFunctionTest.java

@@ -0,0 +1,488 @@
+package test.com.jd.blockchain.crypto.service.classic;
+
+import com.jd.blockchain.crypto.*;
+import com.jd.blockchain.crypto.service.classic.ClassicAlgorithm;
+import com.jd.blockchain.utils.io.BytesUtils;
+import org.junit.Test;
+
+import java.util.Random;
+
+import static com.jd.blockchain.crypto.CryptoAlgorithm.*;
+import static com.jd.blockchain.crypto.CryptoKeyType.PRIVATE;
+import static com.jd.blockchain.crypto.CryptoKeyType.PUBLIC;
+import static org.junit.Assert.*;
+
+/**
+ * @author zhanglin33
+ * @title: RSACryptoFunctionTest
+ * @description: JunitTest for RSACryptoFunction in SPI mode
+ * @date 2019-04-23, 15:30
+ */
+public class RSACryptoFunctionTest {
+
+    @Test
+    public void getAlgorithmTest() {
+
+        CryptoAlgorithm algorithm = Crypto.getAlgorithm("RSA");
+        assertNotNull(algorithm);
+
+        SignatureFunction signatureFunction = Crypto.getSignatureFunction(algorithm);
+
+        assertEquals(signatureFunction.getAlgorithm().name(), algorithm.name());
+        assertEquals(signatureFunction.getAlgorithm().code(), algorithm.code());
+
+        algorithm = Crypto.getAlgorithm("Rsa");
+        assertNotNull(algorithm);
+
+        assertEquals(signatureFunction.getAlgorithm().name(), algorithm.name());
+        assertEquals(signatureFunction.getAlgorithm().code(), algorithm.code());
+
+        algorithm = Crypto.getAlgorithm("rsa2");
+        assertNull(algorithm);
+    }
+
+    @Test
+    public void generateKeyPairTest() {
+
+        CryptoAlgorithm algorithm = Crypto.getAlgorithm("RSA");
+        assertNotNull(algorithm);
+
+        SignatureFunction signatureFunction = Crypto.getSignatureFunction(algorithm);
+
+        AsymmetricKeypair keyPair = signatureFunction.generateKeypair();
+
+        PubKey pubKey = keyPair.getPubKey();
+        PrivKey privKey = keyPair.getPrivKey();
+
+        assertEquals(PUBLIC.CODE, pubKey.getKeyType().CODE);
+        assertEquals(257, pubKey.getRawKeyBytes().length);
+        assertEquals(PRIVATE.CODE, privKey.getKeyType().CODE);
+        assertEquals(1153, privKey.getRawKeyBytes().length);
+
+        assertEquals(algorithm.code(), pubKey.getAlgorithm());
+        assertEquals(algorithm.code(), privKey.getAlgorithm());
+
+        assertEquals(2 + 1 + 257, pubKey.toBytes().length);
+        assertEquals(2 + 1 + 1153, privKey.toBytes().length);
+
+        byte[] algoBytes = CryptoAlgorithm.toBytes(algorithm);
+        byte[] pubKeyTypeBytes = new byte[] { PUBLIC.CODE };
+        byte[] privKeyTypeBytes = new byte[] { PRIVATE.CODE };
+        byte[] rawPubKeyBytes = pubKey.getRawKeyBytes();
+        byte[] rawPrivKeyBytes = privKey.getRawKeyBytes();
+        assertArrayEquals(BytesUtils.concat(algoBytes, pubKeyTypeBytes, rawPubKeyBytes), pubKey.toBytes());
+        assertArrayEquals(BytesUtils.concat(algoBytes, privKeyTypeBytes, rawPrivKeyBytes), privKey.toBytes());
+    }
+
+    @Test
+    public void retrievePubKeyTest() {
+
+        CryptoAlgorithm algorithm = Crypto.getAlgorithm("RSA");
+        assertNotNull(algorithm);
+
+        SignatureFunction signatureFunction = Crypto.getSignatureFunction(algorithm);
+
+        AsymmetricKeypair keyPair = signatureFunction.generateKeypair();
+
+        PubKey pubKey = keyPair.getPubKey();
+        PrivKey privKey = keyPair.getPrivKey();
+
+        PubKey retrievedPubKey = signatureFunction.retrievePubKey(privKey);
+
+        assertEquals(pubKey.getKeyType(), retrievedPubKey.getKeyType());
+        assertEquals(pubKey.getRawKeyBytes().length, retrievedPubKey.getRawKeyBytes().length);
+        assertEquals(pubKey.getAlgorithm(), retrievedPubKey.getAlgorithm());
+        assertArrayEquals(pubKey.toBytes(), retrievedPubKey.toBytes());
+    }
+
+    @Test
+    public void signTest() {
+
+        byte[] data = new byte[1024];
+        Random random = new Random();
+        random.nextBytes(data);
+
+        CryptoAlgorithm algorithm = Crypto.getAlgorithm("RSA");
+        assertNotNull(algorithm);
+
+        SignatureFunction signatureFunction = Crypto.getSignatureFunction(algorithm);
+
+        AsymmetricKeypair keyPair = signatureFunction.generateKeypair();
+
+        PrivKey privKey = keyPair.getPrivKey();
+        SignatureDigest signatureDigest = signatureFunction.sign(privKey, data);
+
+        byte[] signatureBytes = signatureDigest.toBytes();
+
+        assertEquals(2 + 256, signatureBytes.length);
+        assertEquals(algorithm.code(), signatureDigest.getAlgorithm());
+
+        assertEquals(ClassicAlgorithm.RSA.code(), signatureDigest.getAlgorithm());
+        assertEquals((short) (SIGNATURE_ALGORITHM | ENCRYPTION_ALGORITHM | ASYMMETRIC_KEY | ((byte) 23 & 0x00FF)),
+                signatureDigest.getAlgorithm());
+
+        byte[] algoBytes = BytesUtils.toBytes(signatureDigest.getAlgorithm());
+        byte[] rawSinatureBytes = signatureDigest.getRawDigest();
+        assertArrayEquals(BytesUtils.concat(algoBytes, rawSinatureBytes), signatureBytes);
+    }
+
+    @Test
+    public void verifyTest() {
+        byte[] data = new byte[1024];
+        Random random = new Random();
+        random.nextBytes(data);
+
+        CryptoAlgorithm algorithm = Crypto.getAlgorithm("RSA");
+        assertNotNull(algorithm);
+
+        SignatureFunction signatureFunction = Crypto.getSignatureFunction(algorithm);
+
+        AsymmetricKeypair keyPair = signatureFunction.generateKeypair();
+
+        PubKey pubKey = keyPair.getPubKey();
+        PrivKey privKey = keyPair.getPrivKey();
+        SignatureDigest signatureDigest = signatureFunction.sign(privKey, data);
+
+        assertTrue(signatureFunction.verify(signatureDigest, pubKey, data));
+    }
+
+    @Test
+    public void encryptTest() {
+
+        byte[] data = new byte[128];
+        Random random = new Random();
+        random.nextBytes(data);
+
+        CryptoAlgorithm algorithm = Crypto.getAlgorithm("RSA");
+        assertNotNull(algorithm);
+
+        AsymmetricEncryptionFunction asymmetricEncryptionFunction = Crypto
+                .getAsymmetricEncryptionFunction(algorithm);
+
+        AsymmetricKeypair keyPair = asymmetricEncryptionFunction.generateKeypair();
+
+        PubKey pubKey = keyPair.getPubKey();
+
+        Ciphertext ciphertext = asymmetricEncryptionFunction.encrypt(pubKey, data);
+
+        byte[] ciphertextBytes = ciphertext.toBytes();
+        assertEquals(2 + 256, ciphertextBytes.length);
+        assertEquals(ClassicAlgorithm.RSA.code(), ciphertext.getAlgorithm());
+
+        assertEquals((short) (SIGNATURE_ALGORITHM | ENCRYPTION_ALGORITHM | ASYMMETRIC_KEY | ((byte) 23 & 0x00FF)),
+                ciphertext.getAlgorithm());
+
+        byte[] algoBytes = BytesUtils.toBytes(ciphertext.getAlgorithm());
+        byte[] rawCiphertextBytes = ciphertext.getRawCiphertext();
+        assertArrayEquals(BytesUtils.concat(algoBytes, rawCiphertextBytes), ciphertextBytes);
+    }
+
+    @Test
+    public void decryptTest() {
+
+        byte[] data = new byte[128];
+        Random random = new Random();
+        random.nextBytes(data);
+
+        CryptoAlgorithm algorithm = Crypto.getAlgorithm("RSA");
+        assertNotNull(algorithm);
+
+        AsymmetricEncryptionFunction asymmetricEncryptionFunction = Crypto
+                .getAsymmetricEncryptionFunction(algorithm);
+
+        AsymmetricKeypair keyPair = asymmetricEncryptionFunction.generateKeypair();
+
+        PubKey pubKey = keyPair.getPubKey();
+        PrivKey privKey = keyPair.getPrivKey();
+
+        Ciphertext ciphertext = asymmetricEncryptionFunction.encrypt(pubKey, data);
+
+        byte[] decryptedPlaintext = asymmetricEncryptionFunction.decrypt(privKey, ciphertext);
+
+        assertArrayEquals(data, decryptedPlaintext);
+    }
+
+    @Test
+    public void supportPrivKeyTest() {
+
+        CryptoAlgorithm algorithm = Crypto.getAlgorithm("RSA");
+        assertNotNull(algorithm);
+
+        SignatureFunction signatureFunction = Crypto.getSignatureFunction(algorithm);
+
+        AsymmetricKeypair keyPair = signatureFunction.generateKeypair();
+
+        PrivKey privKey = keyPair.getPrivKey();
+        byte[] privKeyBytes = privKey.toBytes();
+
+        assertTrue(signatureFunction.supportPrivKey(privKeyBytes));
+
+        algorithm = Crypto.getAlgorithm("ripemd160");
+        assertNotNull(algorithm);
+        byte[] algoBytes = CryptoAlgorithm.toBytes(algorithm);
+        byte[] pubKeyTypeBytes = new byte[] { PUBLIC.CODE };
+        byte[] rawKeyBytes = privKey.getRawKeyBytes();
+        byte[] ripemd160PubKeyBytes = BytesUtils.concat(algoBytes, pubKeyTypeBytes, rawKeyBytes);
+
+        assertFalse(signatureFunction.supportPrivKey(ripemd160PubKeyBytes));
+    }
+
+    @Test
+    public void resolvePrivKeyTest() {
+
+        CryptoAlgorithm algorithm = Crypto.getAlgorithm("RSA");
+        assertNotNull(algorithm);
+
+        SignatureFunction signatureFunction = Crypto.getSignatureFunction(algorithm);
+
+        AsymmetricKeypair keyPair = signatureFunction.generateKeypair();
+
+        PrivKey privKey = keyPair.getPrivKey();
+        byte[] privKeyBytes = privKey.toBytes();
+
+        PrivKey resolvedPrivKey = signatureFunction.resolvePrivKey(privKeyBytes);
+
+        assertEquals(PRIVATE.CODE, resolvedPrivKey.getKeyType().CODE);
+        assertEquals(1153, resolvedPrivKey.getRawKeyBytes().length);
+        assertEquals(ClassicAlgorithm.RSA.code(), resolvedPrivKey.getAlgorithm());
+        assertEquals((short) (SIGNATURE_ALGORITHM | ENCRYPTION_ALGORITHM | ASYMMETRIC_KEY | ((byte) 23 & 0x00FF)),
+                resolvedPrivKey.getAlgorithm());
+        assertArrayEquals(privKeyBytes, resolvedPrivKey.toBytes());
+
+        algorithm = Crypto.getAlgorithm("ripemd160");
+        assertNotNull(algorithm);
+        byte[] algoBytes = CryptoAlgorithm.toBytes(algorithm);
+        byte[] pubKeyTypeBytes = new byte[] { PUBLIC.CODE };
+        byte[] rawKeyBytes = privKey.getRawKeyBytes();
+        byte[] ripemd160PubKeyBytes = BytesUtils.concat(algoBytes, pubKeyTypeBytes, rawKeyBytes);
+
+        Class<?> expectedException = CryptoException.class;
+        Exception actualEx = null;
+        try {
+            signatureFunction.resolvePrivKey(ripemd160PubKeyBytes);
+        } catch (Exception e) {
+            actualEx = e;
+        }
+        assertNotNull(actualEx);
+        assertTrue(expectedException.isAssignableFrom(actualEx.getClass()));
+    }
+
+    @Test
+    public void supportPubKeyTest() {
+
+        CryptoAlgorithm algorithm = Crypto.getAlgorithm("RSA");
+        assertNotNull(algorithm);
+
+        SignatureFunction signatureFunction = Crypto.getSignatureFunction(algorithm);
+
+        AsymmetricKeypair keyPair = signatureFunction.generateKeypair();
+
+        PubKey pubKey = keyPair.getPubKey();
+        byte[] pubKeyBytes = pubKey.toBytes();
+
+        assertTrue(signatureFunction.supportPubKey(pubKeyBytes));
+
+        algorithm = Crypto.getAlgorithm("ripemd160");
+        assertNotNull(algorithm);
+        byte[] algoBytes = CryptoAlgorithm.toBytes(algorithm);
+        byte[] privKeyTypeBytes = new byte[] { PRIVATE.CODE };
+        byte[] rawKeyBytes = pubKey.getRawKeyBytes();
+        byte[] ripemd160PrivKeyBytes = BytesUtils.concat(algoBytes, privKeyTypeBytes, rawKeyBytes);
+
+        assertFalse(signatureFunction.supportPubKey(ripemd160PrivKeyBytes));
+    }
+
+    @Test
+    public void resolvePubKeyTest() {
+
+        CryptoAlgorithm algorithm = Crypto.getAlgorithm("RSA");
+        assertNotNull(algorithm);
+
+        SignatureFunction signatureFunction = Crypto.getSignatureFunction(algorithm);
+
+        AsymmetricKeypair keyPair = signatureFunction.generateKeypair();
+
+        PubKey pubKey = keyPair.getPubKey();
+        byte[] pubKeyBytes = pubKey.toBytes();
+
+        PubKey resolvedPubKey = signatureFunction.resolvePubKey(pubKeyBytes);
+
+        assertEquals(PUBLIC.CODE, resolvedPubKey.getKeyType().CODE);
+        assertEquals(257, resolvedPubKey.getRawKeyBytes().length);
+        assertEquals(ClassicAlgorithm.RSA.code(), resolvedPubKey.getAlgorithm());
+        assertEquals((short) (SIGNATURE_ALGORITHM | ENCRYPTION_ALGORITHM | ASYMMETRIC_KEY | ((byte) 23 & 0x00FF)),
+                resolvedPubKey.getAlgorithm());
+        assertArrayEquals(pubKeyBytes, resolvedPubKey.toBytes());
+
+        algorithm = Crypto.getAlgorithm("ripemd160");
+        assertNotNull(algorithm);
+        byte[] algoBytes = CryptoAlgorithm.toBytes(algorithm);
+        byte[] privKeyTypeBytes = new byte[] { PRIVATE.CODE };
+        byte[] rawKeyBytes = pubKey.getRawKeyBytes();
+        byte[] ripemd160PrivKeyBytes = BytesUtils.concat(algoBytes, privKeyTypeBytes, rawKeyBytes);
+
+        Class<?> expectedException = CryptoException.class;
+        Exception actualEx = null;
+        try {
+            signatureFunction.resolvePrivKey(ripemd160PrivKeyBytes);
+        } catch (Exception e) {
+            actualEx = e;
+        }
+        assertNotNull(actualEx);
+        assertTrue(expectedException.isAssignableFrom(actualEx.getClass()));
+    }
+
+    @Test
+    public void supportDigestTest() {
+
+        byte[] data = new byte[1024];
+        Random random = new Random();
+        random.nextBytes(data);
+
+        CryptoAlgorithm algorithm = Crypto.getAlgorithm("RSA");
+        assertNotNull(algorithm);
+
+        SignatureFunction signatureFunction = Crypto.getSignatureFunction(algorithm);
+
+        AsymmetricKeypair keyPair = signatureFunction.generateKeypair();
+
+        PrivKey privKey = keyPair.getPrivKey();
+
+        SignatureDigest signatureDigest = signatureFunction.sign(privKey, data);
+
+        byte[] signatureDigestBytes = signatureDigest.toBytes();
+        assertTrue(signatureFunction.supportDigest(signatureDigestBytes));
+
+        algorithm = Crypto.getAlgorithm("ripemd160");
+        assertNotNull(algorithm);
+        byte[] algoBytes = CryptoAlgorithm.toBytes(algorithm);
+        byte[] rawDigestBytes = signatureDigest.toBytes();
+        byte[] ripemd160SignatureBytes = BytesUtils.concat(algoBytes, rawDigestBytes);
+
+        assertFalse(signatureFunction.supportDigest(ripemd160SignatureBytes));
+    }
+
+    @Test
+    public void resolveDigestTest() {
+
+        byte[] data = new byte[1024];
+        Random random = new Random();
+        random.nextBytes(data);
+
+        CryptoAlgorithm algorithm = Crypto.getAlgorithm("RSA");
+        assertNotNull(algorithm);
+
+        SignatureFunction signatureFunction = Crypto.getSignatureFunction(algorithm);
+
+        AsymmetricKeypair keyPair = signatureFunction.generateKeypair();
+
+        PrivKey privKey = keyPair.getPrivKey();
+
+        SignatureDigest signatureDigest = signatureFunction.sign(privKey, data);
+
+        byte[] signatureDigestBytes = signatureDigest.toBytes();
+
+        SignatureDigest resolvedSignatureDigest = signatureFunction.resolveDigest(signatureDigestBytes);
+
+        assertEquals(256, resolvedSignatureDigest.getRawDigest().length);
+        assertEquals(ClassicAlgorithm.RSA.code(), resolvedSignatureDigest.getAlgorithm());
+        assertEquals((short) (SIGNATURE_ALGORITHM | ENCRYPTION_ALGORITHM | ASYMMETRIC_KEY | ((byte) 23 & 0x00FF)),
+                resolvedSignatureDigest.getAlgorithm());
+        assertArrayEquals(signatureDigestBytes, resolvedSignatureDigest.toBytes());
+
+        algorithm = Crypto.getAlgorithm("ripemd160");
+        assertNotNull(algorithm);
+        byte[] algoBytes = CryptoAlgorithm.toBytes(algorithm);
+        byte[] rawDigestBytes = signatureDigest.getRawDigest();
+        byte[] ripemd160SignatureDigestBytes = BytesUtils.concat(algoBytes, rawDigestBytes);
+
+        Class<?> expectedException = CryptoException.class;
+        Exception actualEx = null;
+        try {
+            signatureFunction.resolveDigest(ripemd160SignatureDigestBytes);
+        } catch (Exception e) {
+            actualEx = e;
+        }
+        assertNotNull(actualEx);
+        assertTrue(expectedException.isAssignableFrom(actualEx.getClass()));
+    }
+
+    @Test
+    public void supportCiphertextTest() {
+
+        byte[] data = new byte[128];
+        Random random = new Random();
+        random.nextBytes(data);
+
+        CryptoAlgorithm algorithm = Crypto.getAlgorithm("RSA");
+        assertNotNull(algorithm);
+
+        AsymmetricEncryptionFunction asymmetricEncryptionFunction = Crypto
+                .getAsymmetricEncryptionFunction(algorithm);
+
+        AsymmetricKeypair keyPair = asymmetricEncryptionFunction.generateKeypair();
+
+        PubKey pubKey = keyPair.getPubKey();
+
+        Ciphertext ciphertext = asymmetricEncryptionFunction.encrypt(pubKey, data);
+
+        byte[] ciphertextBytes = ciphertext.toBytes();
+
+        assertTrue(asymmetricEncryptionFunction.supportCiphertext(ciphertextBytes));
+
+        algorithm = Crypto.getAlgorithm("ripemd160");
+        assertNotNull(algorithm);
+        byte[] algoBytes = CryptoAlgorithm.toBytes(algorithm);
+        byte[] rawCiphertextBytes = ciphertext.toBytes();
+        byte[] ripemd160CiphertextBytes = BytesUtils.concat(algoBytes, rawCiphertextBytes);
+
+        assertFalse(asymmetricEncryptionFunction.supportCiphertext(ripemd160CiphertextBytes));
+    }
+
+    @Test
+    public void resolveCiphertextTest() {
+
+        byte[] data = new byte[128];
+        Random random = new Random();
+        random.nextBytes(data);
+
+        CryptoAlgorithm algorithm = Crypto.getAlgorithm("RSA");
+        assertNotNull(algorithm);
+
+        AsymmetricEncryptionFunction asymmetricEncryptionFunction = Crypto
+                .getAsymmetricEncryptionFunction(algorithm);
+
+        AsymmetricKeypair keyPair = asymmetricEncryptionFunction.generateKeypair();
+
+        PubKey pubKey = keyPair.getPubKey();
+
+        Ciphertext ciphertext = asymmetricEncryptionFunction.encrypt(pubKey, data);
+
+        byte[] ciphertextBytes = ciphertext.toBytes();
+
+        Ciphertext resolvedCiphertext = asymmetricEncryptionFunction.resolveCiphertext(ciphertextBytes);
+
+        assertEquals(256, resolvedCiphertext.getRawCiphertext().length);
+        assertEquals(ClassicAlgorithm.RSA.code(), resolvedCiphertext.getAlgorithm());
+        assertEquals((short) (SIGNATURE_ALGORITHM | ENCRYPTION_ALGORITHM | ASYMMETRIC_KEY | ((byte) 23 & 0x00FF)),
+                resolvedCiphertext.getAlgorithm());
+        assertArrayEquals(ciphertextBytes, resolvedCiphertext.toBytes());
+
+        algorithm = Crypto.getAlgorithm("ripemd160");
+        assertNotNull(algorithm);
+        byte[] algoBytes = CryptoAlgorithm.toBytes(algorithm);
+        byte[] rawCiphertextBytes = ciphertext.getRawCiphertext();
+        byte[] ripemd160CiphertextBytes = BytesUtils.concat(algoBytes, rawCiphertextBytes);
+
+        Class<?> expectedException = CryptoException.class;
+        Exception actualEx = null;
+        try {
+            asymmetricEncryptionFunction.resolveCiphertext(ripemd160CiphertextBytes);
+        } catch (Exception e) {
+            actualEx = e;
+        }
+        assertNotNull(actualEx);
+        assertTrue(expectedException.isAssignableFrom(actualEx.getClass()));
+    }
+
+}

source/crypto/crypto-classic/src/test/java/test/com/jd/blockchain/crypto/utils/classic/AESUtilsTest.java

@@ -0,0 +1,100 @@
+package test.com.jd.blockchain.crypto.utils.classic;
+
+import com.jd.blockchain.crypto.utils.classic.AESUtils;
+import com.jd.blockchain.utils.io.BytesUtils;
+import org.bouncycastle.util.encoders.Hex;
+import org.junit.Test;
+
+import java.util.Random;
+
+import static org.junit.Assert.assertArrayEquals;
+import static org.junit.Assert.assertEquals;
+
+/**
+ * @author zhanglin33
+ * @title: AESUtilsTest
+ * @description: Tests for methods in AESUtils
+ * @date 2019-04-22, 16:06
+ */
+public class AESUtilsTest {
+
+    @Test
+    public void generateKeyTest(){
+        byte[] key = AESUtils.generateKey();
+        assertEquals(16,key.length);
+        key = AESUtils.generateKey("abc".getBytes());
+        assertArrayEquals(
+                Hex.decode("ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad".substring(0,32)),key);
+    }
+
+
+    @Test
+    public void encryptTest(){
+        String plaintext            = "abc";
+        String key                  = "1234567890123456";
+        System.out.println(key.getBytes().length);
+        String iv                   = "1234567890123456";
+        String expectedCiphertextIn2ndBlock = "f479efae2d41d23227f61e675fced95c";
+
+        byte[] ciphertext = AESUtils.encrypt(plaintext.getBytes(),key.getBytes(),iv.getBytes());
+        byte[] expectedCiphertext = BytesUtils.concat(iv.getBytes(),Hex.decode(expectedCiphertextIn2ndBlock));
+        assertArrayEquals(expectedCiphertext,ciphertext);
+    }
+
+
+    @Test
+    public void decryptTest(){
+
+        Random random = new Random();
+        byte[] data = new byte[1024];
+        random.nextBytes(data);
+
+        byte[] key = AESUtils.generateKey();
+
+        byte[] ciphertext = AESUtils.encrypt(data,key);
+        byte[] plaintext = AESUtils.decrypt(ciphertext,key);
+
+        assertArrayEquals(data,plaintext);
+    }
+//
+//
+//    @Test
+//    public void encryptingPerformance() {
+//
+//    byte[] data = new byte[1000];
+//    Random random = new Random();
+//    random.nextBytes(data);
+//
+//    byte[] aesCiphertext = null;
+//
+//    int count = 100000;
+//
+//
+//    byte[] aesKey = AESUtils.generateKey();
+//
+//        System.out.println("=================== do AES encrypt test ===================");
+//        for (int r = 0; r < 5; r++) {
+//        System.out.println("------------- round[" + r + "] --------------");
+//        long startTS = System.currentTimeMillis();
+//        for (int i = 0; i < count; i++) {
+//            aesCiphertext = AESUtils.encrypt(data, aesKey);
+//        }
+//        long elapsedTS = System.currentTimeMillis() - startTS;
+//        System.out.println(String.format("AES Encrypting Count=%s; Elapsed Times=%s; KBPS=%.2f", count, elapsedTS,
+//                (count * 1000.00D) / elapsedTS));
+//        }
+//
+//
+//        System.out.println("=================== do AES decrypt test ===================");
+//        for (int r = 0; r < 5; r++) {
+//        System.out.println("------------- round[" + r + "] --------------");
+//        long startTS = System.currentTimeMillis();
+//        for (int i = 0; i < count; i++) {
+//            AESUtils.decrypt(aesCiphertext, aesKey);
+//        }
+//        long elapsedTS = System.currentTimeMillis() - startTS;
+//        System.out.println(String.format("AES Decrypting Count=%s; Elapsed Times=%s; KBPS=%.2f", count, elapsedTS,
+//                (count * 1000.00D) / elapsedTS));
+//        }
+//    }
+}

source/crypto/crypto-classic/src/test/java/test/com/jd/blockchain/crypto/utils/classic/ECDSAUtilsTest.java

@@ -2,16 +2,20 @@ package test.com.jd.blockchain.crypto.utils.classic;
 
 import com.jd.blockchain.crypto.utils.classic.ECDSAUtils;
 import org.bouncycastle.crypto.AsymmetricCipherKeyPair;
+import org.bouncycastle.crypto.CipherParameters;
 import org.bouncycastle.crypto.params.ECDomainParameters;
 import org.bouncycastle.crypto.params.ECPrivateKeyParameters;
 import org.bouncycastle.crypto.params.ECPublicKeyParameters;
+import org.bouncycastle.crypto.params.ParametersWithRandom;
 import org.bouncycastle.math.ec.ECMultiplier;
 import org.bouncycastle.math.ec.ECPoint;
 import org.bouncycastle.math.ec.FixedPointCombMultiplier;
 import org.bouncycastle.util.encoders.Hex;
+import org.bouncycastle.util.test.FixedSecureRandom;
 import org.junit.Test;
 
 import java.math.BigInteger;
+import java.security.SecureRandom;
 import java.util.Random;
 
 import static org.junit.Assert.*;
@@ -110,6 +114,80 @@ public class ECDSAUtilsTest {
         assertEquals("04" + xCoord + yCoord,Hex.toHexString(result).toUpperCase());
     }
 
+    @Test
+    public void checkDeterministicValues(){
+        // https://crypto.stackexchange.com/questions/41316/complete-set-of-test-vectors-for-ecdsa-secp256k1
+        ECDomainParameters domainParams = ECDSAUtils.getDomainParams();
+        ECPrivateKeyParameters privKey = new ECPrivateKeyParameters(
+                new BigInteger("ebb2c082fd7727890a28ac82f6bdf97bad8de9f5d7c9028692de1a255cad3e0f", 16),
+                domainParams);
+        ECPublicKeyParameters pubKey = new ECPublicKeyParameters(
+                domainParams.getCurve().decodePoint(Hex.decode("04" +
+                        "779dd197a5df977ed2cf6cb31d82d43328b790dc6b3b7d4437a427bd5847dfcd" +
+                        "e94b724a555b6d017bb7607c3e3281daf5b1699d6ef4124975c9237b917d426f")),
+                domainParams);
+
+        byte[] privKeyBytes = BigIntegerTo32Bytes(privKey.getD());
+        byte[] pubKeyBytes = ECDSAUtils.retrievePublicKey(privKeyBytes);
+
+        assertArrayEquals(pubKeyBytes,pubKey.getQ().getEncoded(false));
+
+        SecureRandom k = new FixedSecureRandom(Hex.decode("49a0d7b786ec9cde0d0721d72804befd06571c974b191efb42ecf322ba9ddd9a"));
+        CipherParameters params = new ParametersWithRandom(privKey,k);
+
+        byte[] hashedMsg = Hex.decode("4b688df40bcedbe641ddb16ff0a1842d9c67ea1c3bf63f3e0471baa664531d1a");
+
+        byte[] signature = ECDSAUtils.sign(params,hashedMsg);
+
+        String r = "241097efbf8b63bf145c8961dbdf10c310efbb3b2676bbc0f8b08505c9e2f795";
+        String s = "021006b7838609339e8b415a7f9acb1b661828131aef1ecbc7955dfb01f3ca0e";
+        assertEquals(Hex.toHexString(signature),r + s);
+
+        assertTrue(ECDSAUtils.verify(pubKey,signature,hashedMsg));
+    }
+
+    @Test
+    public void performanceTest(){
+
+        int count = 10000;
+        byte[] data = new byte[1024];
+        Random random = new Random();
+        random.nextBytes(data);
+
+        AsymmetricCipherKeyPair keyPair = ECDSAUtils.generateKeyPair();
+        ECPrivateKeyParameters privKeyParams = (ECPrivateKeyParameters) keyPair.getPrivate();
+        ECPublicKeyParameters pubKeyParams = (ECPublicKeyParameters) keyPair.getPublic();
+
+        byte[] signatureDigest = ECDSAUtils.sign(data,privKeyParams);
+
+        assertTrue(ECDSAUtils.verify(data,pubKeyParams,signatureDigest));
+
+        System.out.println("=================== do ECDSA sign test ===================");
+
+        for (int r = 0; r < 5; r++) {
+            System.out.println("------------- round[" + r + "] --------------");
+            long startTS = System.currentTimeMillis();
+            for (int i = 0; i < count; i++) {
+                ECDSAUtils.sign(data,privKeyParams);
+            }
+            long elapsedTS = System.currentTimeMillis() - startTS;
+            System.out.println(String.format("ECDSA Signing Count=%s; Elapsed Times=%s; TPS=%.2f", count, elapsedTS,
+                    (count * 1000.00D) / elapsedTS));
+        }
+
+        System.out.println("=================== do ECDSA verify test ===================");
+        for (int r = 0; r < 5; r++) {
+            System.out.println("------------- round[" + r + "] --------------");
+            long startTS = System.currentTimeMillis();
+            for (int i = 0; i < count; i++) {
+                ECDSAUtils.verify(data,pubKeyParams,signatureDigest);
+            }
+            long elapsedTS = System.currentTimeMillis() - startTS;
+            System.out.println(String.format("ECDSA Verifying Count=%s; Elapsed Times=%s; TPS=%.2f", count, elapsedTS,
+                    (count * 1000.00D) / elapsedTS));
+        }
+    }
+
     // To convert BigInteger to byte[] whose length is 32
     private static byte[] BigIntegerTo32Bytes(BigInteger b){
         byte[] tmp = b.toByteArray();
@@ -122,6 +200,4 @@ public class ECDSAUtilsTest {
         }
         return result;
     }
-
-
 }

source/crypto/crypto-classic/src/test/java/test/com/jd/blockchain/crypto/utils/classic/ED25519UtilsTest.java

@@ -108,4 +108,76 @@ public class ED25519UtilsTest {
         assertTrue(Ed25519Utils.verify(data,pubKeyBytes,signatureDigest));
 
     }
+
+    @Test
+    public void performanceTest(){
+
+        int count = 10000;
+        byte[] data = new byte[1024];
+        Random random = new Random();
+        random.nextBytes(data);
+
+        AsymmetricCipherKeyPair keyPair = ED25519Utils.generateKeyPair();
+        Ed25519PrivateKeyParameters privKeyParams = (Ed25519PrivateKeyParameters) keyPair.getPrivate();
+        Ed25519PublicKeyParameters pubKeyParams = (Ed25519PublicKeyParameters) keyPair.getPublic();
+
+        byte[] pubKeyBytes = pubKeyParams.getEncoded();
+        byte[] privKeyBytes = privKeyParams.getEncoded();
+
+        byte[] signatureDigest = ED25519Utils.sign(data,privKeyParams);
+
+        assertTrue(ED25519Utils.verify(data,pubKeyParams,signatureDigest));
+
+        System.out.println("=================== do ED25519 sign test ===================");
+
+        for (int r = 0; r < 5; r++) {
+            System.out.println("------------- round[" + r + "] --------------");
+            long startTS = System.currentTimeMillis();
+            for (int i = 0; i < count; i++) {
+                ED25519Utils.sign(data,privKeyParams);
+            }
+            long elapsedTS = System.currentTimeMillis() - startTS;
+            System.out.println(String.format("ED25519 Signing Count=%s; Elapsed Times=%s; TPS=%.2f", count, elapsedTS,
+                    (count * 1000.00D) / elapsedTS));
+        }
+
+        System.out.println("=================== do ED25519 verify test ===================");
+        for (int r = 0; r < 5; r++) {
+            System.out.println("------------- round[" + r + "] --------------");
+            long startTS = System.currentTimeMillis();
+            for (int i = 0; i < count; i++) {
+                ED25519Utils.verify(data,pubKeyParams,signatureDigest);
+            }
+            long elapsedTS = System.currentTimeMillis() - startTS;
+            System.out.println(String.format("ED25519 Verifying Count=%s; Elapsed Times=%s; TPS=%.2f", count, elapsedTS,
+                    (count * 1000.00D) / elapsedTS));
+        }
+
+        System.out.println("=================== do ED25519 sign test ===================");
+
+        for (int r = 0; r < 5; r++) {
+            System.out.println("------------- round[" + r + "] --------------");
+            long startTS = System.currentTimeMillis();
+            for (int i = 0; i < count; i++) {
+                Ed25519Utils.sign_512(data,privKeyBytes);
+            }
+            long elapsedTS = System.currentTimeMillis() - startTS;
+            System.out.println(String.format("ED25519 Signing Count=%s; Elapsed Times=%s; TPS=%.2f", count, elapsedTS,
+                    (count * 1000.00D) / elapsedTS));
+        }
+
+        System.out.println("=================== do ED25519 verify test ===================");
+        for (int r = 0; r < 5; r++) {
+            System.out.println("------------- round[" + r + "] --------------");
+            long startTS = System.currentTimeMillis();
+            for (int i = 0; i < count; i++) {
+                Ed25519Utils.verify(data,pubKeyBytes,signatureDigest);
+            }
+            long elapsedTS = System.currentTimeMillis() - startTS;
+            System.out.println(String.format("ED25519 Verifying Count=%s; Elapsed Times=%s; TPS=%.2f", count, elapsedTS,
+                    (count * 1000.00D) / elapsedTS));
+        }
+
+    }
+
 }

source/crypto/crypto-classic/src/test/java/test/com/jd/blockchain/crypto/utils/classic/RIPEMD160UtilsTest.java

@@ -0,0 +1,32 @@
+package test.com.jd.blockchain.crypto.utils.classic;
+
+import com.jd.blockchain.crypto.utils.classic.RIPEMD160Utils;
+import org.bouncycastle.util.encoders.Hex;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+/**
+ * @author zhanglin33
+ * @title: RIPEMD160UtilsTest
+ * @description: Tests for the hash method in RIPEMD160Utils
+ * @date 2019-04-10, 16:54
+ */
+public class RIPEMD160UtilsTest {
+
+    @Test
+    public void hashTest() {
+
+        byte[] data1 = "a".getBytes();
+        byte[] data2 = "abc".getBytes();
+
+        byte[] result1 = RIPEMD160Utils.hash(data1);
+        byte[] result2 = RIPEMD160Utils.hash(data2);
+
+        String respectedResult1 = "0bdc9d2d256b3ee9daae347be6f4dc835a467ffe";
+        String respectedResult2 = "8eb208f7e05d987a9b044a8e98c6b087f15a0bfc";
+
+        assertEquals(respectedResult1, Hex.toHexString(result1));
+        assertEquals(respectedResult2, Hex.toHexString(result2));
+    }
+}

source/crypto/crypto-classic/src/test/java/test/com/jd/blockchain/crypto/utils/classic/RSAUtilsTest.java

@@ -0,0 +1,426 @@
+package test.com.jd.blockchain.crypto.utils.classic;
+
+import com.jd.blockchain.crypto.utils.classic.RSAUtils;
+import org.bouncycastle.crypto.AsymmetricCipherKeyPair;
+import org.bouncycastle.crypto.params.AsymmetricKeyParameter;
+import org.bouncycastle.crypto.params.RSAKeyParameters;
+import org.bouncycastle.crypto.params.RSAPrivateCrtKeyParameters;
+import org.junit.Test;
+
+import javax.crypto.BadPaddingException;
+import javax.crypto.Cipher;
+import javax.crypto.IllegalBlockSizeException;
+import javax.crypto.NoSuchPaddingException;
+import java.security.*;
+import java.security.interfaces.RSAPrivateKey;
+import java.security.interfaces.RSAPublicKey;
+import java.util.Random;
+
+import static org.junit.Assert.*;
+
+/**
+ * @author zhanglin33
+ * @title: RSAUtilsTest
+ * @description: Tests for methods in RSAUtils
+ * @date 2019-04-11, 17:10
+ */
+public class RSAUtilsTest {
+
+    @Test
+    public void generateKeyPairTest(){
+        AsymmetricCipherKeyPair kp = RSAUtils.generateKeyPair();
+        RSAKeyParameters pubKey = (RSAKeyParameters) kp.getPublic();
+        RSAPrivateCrtKeyParameters privKey = (RSAPrivateCrtKeyParameters) kp.getPrivate();
+
+        byte[] pubKeyBytes_RawKey = RSAUtils.pubKey2Bytes_RawKey(pubKey);
+        byte[] pubKeyBytesConverted_RawKey =
+                RSAUtils.pubKey2Bytes_RawKey(RSAUtils.bytes2PubKey_RawKey(pubKeyBytes_RawKey));
+        assertArrayEquals(pubKeyBytes_RawKey,pubKeyBytesConverted_RawKey);
+
+        byte[] privKeyBytes_RawKey = RSAUtils.privKey2Bytes_RawKey(privKey);
+        byte[] privKeyBytesConverted_RawKey =
+                RSAUtils.privKey2Bytes_RawKey(RSAUtils.bytes2PrivKey_RawKey(privKeyBytes_RawKey));
+        assertArrayEquals(privKeyBytes_RawKey,privKeyBytesConverted_RawKey);
+
+        System.out.println(pubKeyBytes_RawKey.length);
+        System.out.println(privKeyBytes_RawKey.length);
+
+        byte[] pubKeyBytes_PKCS1 = RSAUtils.pubKey2Bytes_PKCS1(pubKey);
+        byte[] pubKeyBytesConverted_PKCS1 =
+                RSAUtils.pubKey2Bytes_PKCS1(RSAUtils.bytes2PubKey_PKCS1(pubKeyBytes_PKCS1));
+        assertArrayEquals(pubKeyBytes_PKCS1,pubKeyBytesConverted_PKCS1);
+
+        byte[] privKeyBytes_PKCS1 = RSAUtils.privKey2Bytes_PKCS1(privKey);
+        byte[] privKeyBytesConverted_PKCS1 =
+                RSAUtils.privKey2Bytes_PKCS1(RSAUtils.bytes2PrivKey_PKCS1(privKeyBytes_PKCS1));
+        assertArrayEquals(privKeyBytes_PKCS1,privKeyBytesConverted_PKCS1);
+
+        byte[] pubKeyBytes_PKCS8 = RSAUtils.pubKey2Bytes_PKCS8(pubKey);
+        byte[] pubKeyBytesConverted_PKCS8 =
+                RSAUtils.pubKey2Bytes_PKCS8(RSAUtils.bytes2PubKey_PKCS8(pubKeyBytes_PKCS8));
+        assertArrayEquals(pubKeyBytes_PKCS8,pubKeyBytesConverted_PKCS8);
+
+        byte[] privKeyBytes_PKCS8 = RSAUtils.privKey2Bytes_PKCS8(privKey);
+        byte[] privKeyBytesConverted_PKCS8 =
+                RSAUtils.privKey2Bytes_PKCS8(RSAUtils.bytes2PrivKey_PKCS8(privKeyBytes_PKCS8));
+        assertArrayEquals(privKeyBytes_PKCS8,privKeyBytesConverted_PKCS8);
+    }
+
+    @Test
+    public void retrievePublicKeyTest(){
+
+        AsymmetricCipherKeyPair kp = RSAUtils.generateKeyPair();
+        RSAKeyParameters pubKey = (RSAKeyParameters) kp.getPublic();
+        RSAPrivateCrtKeyParameters privKey = (RSAPrivateCrtKeyParameters) kp.getPrivate();
+
+        byte[] privKeyBytes = RSAUtils.privKey2Bytes_RawKey(privKey);
+        byte[] pubKeyBytes  = RSAUtils.pubKey2Bytes_RawKey(pubKey);
+        byte[] retrievedPubKeyBytes = RSAUtils.retrievePublicKey(privKeyBytes);
+
+        assertArrayEquals(pubKeyBytes,retrievedPubKeyBytes);
+    }
+
+    @Test
+    public void signTest(){
+
+        byte[] data = new byte[1024];
+        Random random = new Random();
+        random.nextBytes(data);
+
+        AsymmetricCipherKeyPair keyPair = RSAUtils.generateKeyPair();
+        AsymmetricKeyParameter privKey = keyPair.getPrivate();
+        byte[] privKeyBytes = RSAUtils.privKey2Bytes_RawKey((RSAPrivateCrtKeyParameters) privKey);
+
+        byte[] signatureFromPrivKey = RSAUtils.sign(data, privKey);
+        byte[] signatureFromPrivKeyBytes = RSAUtils.sign(data, privKeyBytes);
+
+        assertNotNull(signatureFromPrivKey);
+        assertEquals(2048 / 8, signatureFromPrivKey.length);
+        assertArrayEquals(signatureFromPrivKeyBytes,signatureFromPrivKey);
+    }
+
+    @Test
+    public void verifyTest(){
+
+        byte[] data = new byte[1024];
+        Random random = new Random();
+        random.nextBytes(data);
+
+        AsymmetricCipherKeyPair keyPair = RSAUtils.generateKeyPair();
+        AsymmetricKeyParameter privKey = keyPair.getPrivate();
+        AsymmetricKeyParameter pubKey = keyPair.getPublic();
+        byte[] pubKeyBytes = RSAUtils.pubKey2Bytes_RawKey((RSAKeyParameters) pubKey);
+
+        byte[] signature = RSAUtils.sign(data,privKey);
+
+        boolean isValidFromPubKey = RSAUtils.verify(data, pubKey, signature);
+        boolean isValidFromPubKeyBytes = RSAUtils.verify(data, pubKeyBytes, signature);
+
+        assertTrue(isValidFromPubKey);
+        assertTrue(isValidFromPubKeyBytes);
+    }
+
+    @Test
+    public void encryptTest(){
+
+        byte[] data = new byte[246];
+        Random random = new Random();
+        random.nextBytes(data);
+
+        AsymmetricCipherKeyPair keyPair = RSAUtils.generateKeyPair();
+        AsymmetricKeyParameter pubKey = keyPair.getPublic();
+        byte[] pubKeyBytes = RSAUtils.pubKey2Bytes_RawKey((RSAKeyParameters) pubKey);
+
+        byte[] ciphertextFromPubKey = RSAUtils.encrypt(data,pubKey);
+        byte[] ciphertextFromPubKeyBytes = RSAUtils.encrypt(data,pubKeyBytes);
+
+        assertEquals(512,ciphertextFromPubKey.length);
+        assertEquals(512,ciphertextFromPubKeyBytes.length);
+    }
+
+    @Test
+    public void decryptTest(){
+
+        AsymmetricCipherKeyPair keyPair = RSAUtils.generateKeyPair();
+        AsymmetricKeyParameter pubKey  = keyPair.getPublic();
+        AsymmetricKeyParameter privKey = keyPair.getPrivate();
+        byte[] privKeyBytes = RSAUtils.privKey2Bytes_RawKey((RSAPrivateCrtKeyParameters) privKey);
+
+        byte[] data;
+        for (int i = 1; i < 1024; i++) {
+            data = new byte[i];
+            Random random = new Random();
+            random.nextBytes(data);
+            byte[] ciphertext = RSAUtils.encrypt(data, pubKey);
+
+            byte[] plaintextFromPrivKey = RSAUtils.decrypt(ciphertext, privKey);
+            byte[] plaintextFromPrivKeyBytes = RSAUtils.decrypt(ciphertext, privKeyBytes);
+
+            assertArrayEquals(data, plaintextFromPrivKey);
+            assertArrayEquals(data, plaintextFromPrivKeyBytes);
+        }
+    }
+
+
+    @Test
+    public void performanceTest(){
+
+        int count = 10000;
+        byte[] data = new byte[128];
+        Random random = new Random();
+        random.nextBytes(data);
+
+        AsymmetricCipherKeyPair keyPair = RSAUtils.generateKeyPair();
+        AsymmetricKeyParameter privKey = keyPair.getPrivate();
+        AsymmetricKeyParameter pubKey = keyPair.getPublic();
+
+        byte[] signature = RSAUtils.sign(data,privKey);
+        byte[] ciphertext = RSAUtils.encrypt(data,pubKey);
+
+        System.out.println("=================== do RSA sign test ===================");
+
+        for (int r = 0; r < 5; r++) {
+            System.out.println("------------- round[" + r + "] --------------");
+            long startTS = System.currentTimeMillis();
+            for (int i = 0; i < count; i++) {
+                RSAUtils.sign(data,privKey);
+            }
+            long elapsedTS = System.currentTimeMillis() - startTS;
+            System.out.println(String.format("RSA Signing Count=%s; Elapsed Times=%s; TPS=%.2f", count, elapsedTS,
+                    (count * 1000.00D) / elapsedTS));
+        }
+
+        System.out.println("=================== do RSA verify test ===================");
+        for (int r = 0; r < 5; r++) {
+            System.out.println("------------- round[" + r + "] --------------");
+            long startTS = System.currentTimeMillis();
+            for (int i = 0; i < count; i++) {
+                RSAUtils.verify(data,pubKey,signature);
+            }
+            long elapsedTS = System.currentTimeMillis() - startTS;
+            System.out.println(String.format("RSA Verifying Count=%s; Elapsed Times=%s; TPS=%.2f", count, elapsedTS,
+                    (count * 1000.00D) / elapsedTS));
+        }
+
+        System.out.println("=================== do RSA encrypt test ===================");
+
+        for (int r = 0; r < 5; r++) {
+            System.out.println("------------- round[" + r + "] --------------");
+            long startTS = System.currentTimeMillis();
+            for (int i = 0; i < count; i++) {
+                RSAUtils.encrypt(data,pubKey);
+            }
+            long elapsedTS = System.currentTimeMillis() - startTS;
+            System.out.println(String.format("RSA Encrypting Count=%s; Elapsed Times=%s; TPS=%.2f", count, elapsedTS,
+                    (count * 1000.00D) / elapsedTS));
+        }
+
+        System.out.println("=================== do RSA decrypt test ===================");
+        for (int r = 0; r < 5; r++) {
+            System.out.println("------------- round[" + r + "] --------------");
+            long startTS = System.currentTimeMillis();
+            for (int i = 0; i < count; i++) {
+                RSAUtils.decrypt(ciphertext,privKey);
+            }
+            long elapsedTS = System.currentTimeMillis() - startTS;
+            System.out.println(String.format("RSA Decrypting Count=%s; Elapsed Times=%s; TPS=%.2f", count, elapsedTS,
+                    (count * 1000.00D) / elapsedTS));
+        }
+    }
+
+    @Test
+    public void encryptionConsistencyTest(){
+
+        int count = 10000;
+        byte[] data = new byte[222];
+        Random random = new Random();
+        random.nextBytes(data);
+
+        KeyPairGenerator keyPairGen = null;
+        try {
+            keyPairGen = KeyPairGenerator.getInstance("RSA");
+        } catch (NoSuchAlgorithmException e) {
+            e.printStackTrace();
+        }
+        assert keyPairGen != null;
+        keyPairGen.initialize(2048, new SecureRandom());
+        KeyPair keyPair = keyPairGen.generateKeyPair();
+        RSAPrivateKey privateKey = (RSAPrivateKey) keyPair.getPrivate();
+        RSAPublicKey publicKey = (RSAPublicKey) keyPair.getPublic();
+
+        byte[] publicKeyBytes  = publicKey.getEncoded();
+        byte[] privateKeyBytes = privateKey.getEncoded();
+
+        RSAKeyParameters pubKey            = RSAUtils.bytes2PubKey_PKCS8(publicKeyBytes);
+        RSAPrivateCrtKeyParameters privKey = RSAUtils.bytes2PrivKey_PKCS8(privateKeyBytes);
+
+        Cipher cipher;
+        byte[] ciphertext = null;
+        byte[] plaintext = null;
+
+        System.out.println("=================== do BouncyCastle-based RSA encrypt test ===================");
+        for (int r = 0; r < 5; r++) {
+            System.out.println("------------- round[" + r + "] --------------");
+            long startTS = System.currentTimeMillis();
+            for (int i = 0; i < count; i++) {
+                ciphertext = RSAUtils.encrypt(data,pubKey);
+            }
+            long elapsedTS = System.currentTimeMillis() - startTS;
+            System.out.println(String.format("BouncyCastle-based RSA Encrypting Count=%s; Elapsed Times=%s; TPS=%.2f", count, elapsedTS,
+                    (count * 1000.00D) / elapsedTS));
+        }
+
+        assert ciphertext != null;
+        System.out.println("=================== do BouncyCastle-based RSA decrypt test ===================");
+        for (int r = 0; r < 5; r++) {
+            System.out.println("------------- round[" + r + "] --------------");
+            long startTS = System.currentTimeMillis();
+            for (int i = 0; i < count; i++) {
+                plaintext = RSAUtils.decrypt(ciphertext,privKey);
+            }
+            long elapsedTS = System.currentTimeMillis() - startTS;
+            System.out.println(String.format("BouncyCastle-based RSA Decrypting Count=%s; Elapsed Times=%s; TPS=%.2f", count, elapsedTS,
+                    (count * 1000.00D) / elapsedTS));
+        }
+
+        System.out.println("=================== do JDK-based RSA encrypt test ===================");
+        for (int r = 0; r < 5; r++) {
+            System.out.println("------------- round[" + r + "] --------------");
+            long startTS = System.currentTimeMillis();
+            for (int i = 0; i < count; i++) {
+                try {
+                    cipher = Cipher.getInstance("RSA/ECB/PKCS1Padding");
+                    cipher.init(Cipher.ENCRYPT_MODE, publicKey);
+                    ciphertext = cipher.doFinal(data);
+                } catch (NoSuchAlgorithmException | NoSuchPaddingException | InvalidKeyException
+                        | IllegalBlockSizeException | BadPaddingException e) {
+                    e.printStackTrace();
+                }
+            }
+            long elapsedTS = System.currentTimeMillis() - startTS;
+            System.out.println(String.format("JDK-based RSA Encrypting Count=%s; Elapsed Times=%s; TPS=%.2f", count, elapsedTS,
+                    (count * 1000.00D) / elapsedTS));
+        }
+
+        System.out.println("=================== do JDK-based RSA decrypt test ===================");
+        for (int r = 0; r < 5; r++) {
+            System.out.println("------------- round[" + r + "] --------------");
+            long startTS = System.currentTimeMillis();
+            for (int i = 0; i < count; i++) {
+                try {
+                    cipher = Cipher.getInstance("RSA/ECB/PKCS1Padding");
+                    cipher.init(Cipher.DECRYPT_MODE, privateKey);
+                    plaintext = cipher.doFinal(ciphertext);
+                } catch (NoSuchAlgorithmException | NoSuchPaddingException | InvalidKeyException
+                        | IllegalBlockSizeException | BadPaddingException e) {
+                    e.printStackTrace();
+                }
+            }
+            long elapsedTS = System.currentTimeMillis() - startTS;
+            System.out.println(String.format("JDK-based RSA Decrypting Count=%s; Elapsed Times=%s; TPS=%.2f", count, elapsedTS,
+                    (count * 1000.00D) / elapsedTS));
+        }
+
+
+        assertArrayEquals(data,plaintext);
+        assertArrayEquals(data,plaintext);
+    }
+
+    @Test
+    public void signatureConsistencyTest() {
+
+        int count = 10000;
+        byte[] data = new byte[222];
+        Random random = new Random();
+        random.nextBytes(data);
+
+        KeyPairGenerator keyPairGen = null;
+        try {
+            keyPairGen = KeyPairGenerator.getInstance("RSA");
+        } catch (NoSuchAlgorithmException e) {
+            e.printStackTrace();
+        }
+        assert keyPairGen != null;
+        keyPairGen.initialize(2048, new SecureRandom());
+        KeyPair keyPair = keyPairGen.generateKeyPair();
+        RSAPrivateKey privateKey = (RSAPrivateKey) keyPair.getPrivate();
+        RSAPublicKey publicKey = (RSAPublicKey) keyPair.getPublic();
+
+        byte[] publicKeyBytes = publicKey.getEncoded();
+        byte[] privateKeyBytes = privateKey.getEncoded();
+
+        byte[] signature = null;
+        boolean isValid = false;
+
+        RSAKeyParameters pubKey = RSAUtils.bytes2PubKey_PKCS8(publicKeyBytes);
+        RSAPrivateCrtKeyParameters privKey = RSAUtils.bytes2PrivKey_PKCS8(privateKeyBytes);
+
+        System.out.println("=================== do BouncyCastle-based RSA sign test ===================");
+        for (int r = 0; r < 5; r++) {
+            System.out.println("------------- round[" + r + "] --------------");
+            long startTS = System.currentTimeMillis();
+            for (int i = 0; i < count; i++) {
+                signature = RSAUtils.sign(data,privKey);
+            }
+            long elapsedTS = System.currentTimeMillis() - startTS;
+            System.out.println(String.format("BouncyCastle-based RSA Signing Count=%s; Elapsed Times=%s; TPS=%.2f", count, elapsedTS,
+                    (count * 1000.00D) / elapsedTS));
+        }
+
+        System.out.println("=================== do BouncyCastle-based RSA verify test ===================");
+        for (int r = 0; r < 5; r++) {
+            System.out.println("------------- round[" + r + "] --------------");
+            long startTS = System.currentTimeMillis();
+            for (int i = 0; i < count; i++) {
+                isValid = RSAUtils.verify(data,pubKey,signature);
+            }
+            long elapsedTS = System.currentTimeMillis() - startTS;
+            System.out.println(String.format("BouncyCastle-based RSA Verifying Count=%s; Elapsed Times=%s; TPS=%.2f", count, elapsedTS,
+                    (count * 1000.00D) / elapsedTS));
+        }
+
+
+
+
+        System.out.println("=================== do JDK-based RSA sign test ===================");
+        for (int r = 0; r < 5; r++) {
+            System.out.println("------------- round[" + r + "] --------------");
+            long startTS = System.currentTimeMillis();
+            for (int i = 0; i < count; i++) {
+                try {
+                    Signature signer = Signature.getInstance("SHA256withRSA");
+                    signer.initSign(privateKey);
+                    signer.update(data);
+                    signature = signer.sign();
+                } catch (NoSuchAlgorithmException | InvalidKeyException | SignatureException e) {
+                    e.printStackTrace();
+                }
+            }
+            long elapsedTS = System.currentTimeMillis() - startTS;
+            System.out.println(String.format("JDK-based RSA Signing Count=%s; Elapsed Times=%s; TPS=%.2f", count, elapsedTS,
+                    (count * 1000.00D) / elapsedTS));
+        }
+
+        System.out.println("=================== do JDK-based RSA verify test ===================");
+        for (int r = 0; r < 5; r++) {
+            System.out.println("------------- round[" + r + "] --------------");
+            long startTS = System.currentTimeMillis();
+            for (int i = 0; i < count; i++) {
+                try {
+                    Signature verifier = Signature.getInstance("SHA256withRSA");
+                    verifier.initVerify(publicKey);
+                    verifier.update(data);
+                    isValid = verifier.verify(signature);
+                } catch (NoSuchAlgorithmException | InvalidKeyException | SignatureException e) {
+                    e.printStackTrace();
+                }
+            }
+            long elapsedTS = System.currentTimeMillis() - startTS;
+            System.out.println(String.format("JDK-based RSA Verifying Count=%s; Elapsed Times=%s; TPS=%.2f", count, elapsedTS,
+                    (count * 1000.00D) / elapsedTS));
+        }
+
+        System.out.println(isValid);
+
+    }
+}

source/crypto/crypto-classic/src/test/java/test/com/jd/blockchain/crypto/utils/classic/SHA256UtilsTest.java

@@ -9,7 +9,7 @@ import static org.junit.Assert.assertEquals;
 /**
  * @author zhanglin33
  * @title: SHA256UtilsTest
- * @description: Tests for the hash method in ECDSAUtils
+ * @description: Tests for the hash method in SHA256Utils
  * @date 2019-04-09, 16:18
  */
 public class SHA256UtilsTest {

source/crypto/crypto-sm/src/main/java/com/jd/blockchain/crypto/service/sm/SM2CryptoFunction.java

@@ -72,7 +72,7 @@ public class SM2CryptoFunction implements AsymmetricEncryptionFunction, Signatur
 			throw new CryptoException("This key is not SM2 private key!");
 		}
 
-		// 验证密文数据的算法标识对应SM2签名算法，并且原始摘要长度为64字节
+		// 验证密文数据的算法标识对应SM2算法，并且密文符合长度要求
 		if (ciphertext.getAlgorithm() != SM2.code()
 				|| rawCiphertextBytes.length < ECPOINT_SIZE + HASHDIGEST_SIZE) {
 			throw new CryptoException("This is not SM2 ciphertext!");
@@ -89,14 +89,6 @@ public class SM2CryptoFunction implements AsymmetricEncryptionFunction, Signatur
 		return new PubKey(SM2, rawPubKeyBytes);
 	}
 
-//	@Override
-//	public byte[] retrievePubKey(byte[] privKeyBytes) {
-//
-//		byte[] rawPrivKeyBytes = resolvePrivKey(privKeyBytes).getRawKeyBytes();
-//		byte[] rawPubKeyBytes = SM2Utils.retrievePublicKey(rawPrivKeyBytes);
-//		return new PubKey(SM2, rawPubKeyBytes).toBytes();
-//	}
-
 	@Override
 	public boolean supportPrivKey(byte[] privKeyBytes) {
 		// 验证输入字节数组长度=算法标识长度+密钥类型长度+密钥长度，密钥数据的算法标识对应SM2算法，并且密钥类型是私钥
@@ -109,7 +101,7 @@ public class SM2CryptoFunction implements AsymmetricEncryptionFunction, Signatur
 		if (supportPrivKey(privKeyBytes)) {
 			return new PrivKey(privKeyBytes);
 		} else {
-			throw new CryptoException("privKeyBytes is invalid!");
+			throw new CryptoException("privKeyBytes are invalid!");
 		}
 	}
 
@@ -125,7 +117,7 @@ public class SM2CryptoFunction implements AsymmetricEncryptionFunction, Signatur
 		if (supportPubKey(pubKeyBytes)) {
 			return new PubKey(pubKeyBytes);
 		} else {
-			throw new CryptoException("pubKeyBytes is invalid!");
+			throw new CryptoException("pubKeyBytes are invalid!");
 		}
 	}
 
@@ -141,7 +133,7 @@ public class SM2CryptoFunction implements AsymmetricEncryptionFunction, Signatur
 		if (supportCiphertext(ciphertextBytes)) {
 			return new AsymmetricCiphertext(ciphertextBytes);
 		} else {
-			throw new CryptoException("ciphertextBytes is invalid!");
+			throw new CryptoException("ciphertextBytes are invalid!");
 		}
 	}
 
@@ -200,7 +192,7 @@ public class SM2CryptoFunction implements AsymmetricEncryptionFunction, Signatur
 		if (supportDigest(digestBytes)) {
 			return new SignatureDigest(digestBytes);
 		} else {
-			throw new CryptoException("digestBytes is invalid!");
+			throw new CryptoException("digestBytes are invalid!");
 		}
 	}
 

source/crypto/crypto-sm/src/main/java/com/jd/blockchain/crypto/utils/sm/SM4Utils.java

@@ -11,11 +11,12 @@ import org.bouncycastle.crypto.params.ParametersWithIV;
 
 
 import java.security.SecureRandom;
+import java.util.Arrays;
 
 public class SM4Utils {
 
-    // SM4 supports 128-bit secret key
-    private static final int KEY_LENGTH = 128;
+    // SM4 supports 128-bit(16 bytes) secret key
+    private static final int KEY_SIZE = 128 / 8;
     // One block contains 16 bytes
     private static final int BLOCK_SIZE = 16;
     // Initial vector's size is 16 bytes
@@ -33,12 +34,17 @@ public class SM4Utils {
 
         // To provide secure randomness and key length as input
         // to prepare generate private key
-        keyGenerator.init(new KeyGenerationParameters(new SecureRandom(), KEY_LENGTH));
+        keyGenerator.init(new KeyGenerationParameters(new SecureRandom(), KEY_SIZE * 8));
 
         // To generate key
         return keyGenerator.generateKey();
     }
 
+    public static byte[] generateKey(byte[] seed){
+        byte[] hash  = SM3Utils.hash(seed);
+        return Arrays.copyOf(hash, KEY_SIZE);
+    }
+
 
     /**
      * encryption
@@ -56,6 +62,16 @@ public class SM4Utils {
             throw new CryptoException("plaintext is null!");
         }
 
+        if (secretKey.length != KEY_SIZE)
+        {
+            throw new CryptoException("secretKey's length is wrong!");
+        }
+
+        if (iv.length != IV_SIZE)
+        {
+            throw new CryptoException("iv's length is wrong!");
+        }
+
         // To get the value padded into input
         int padding = 16 - plainBytes.length % BLOCK_SIZE;
         // The plaintext with padding value
@@ -105,11 +121,16 @@ public class SM4Utils {
         }
 
         // To ensure that the ciphertext's length is integral multiples of 16 bytes
-        if ( cipherBytes.length % BLOCK_SIZE != 0 )
+        if (cipherBytes.length % BLOCK_SIZE != 0)
         {
             throw new CryptoException("ciphertext's length is wrong!");
         }
 
+        if (secretKey.length != KEY_SIZE)
+        {
+            throw new CryptoException("secretKey's length is wrong!");
+        }
+
         byte[] iv = new byte[IV_SIZE];
         System.arraycopy(cipherBytes,0,iv,0,BLOCK_SIZE);
 

source/crypto/crypto-sm/src/test/java/test/com/jd/blockchain/crypto/service/sm/SM2CyptoFunctionTest.java

@@ -484,5 +484,4 @@ public class SM2CyptoFunctionTest {
 		assertNotNull(actualEx);
 		assertTrue(expectedException.isAssignableFrom(actualEx.getClass()));
 	}
-
 }

source/crypto/crypto-sm/src/test/java/test/com/jd/blockchain/crypto/utils/SM2UtilsTest.java

@@ -13,6 +13,8 @@ import org.junit.Test;
 
 import com.jd.blockchain.crypto.utils.sm.SM2Utils;
 
+import java.util.Random;
+
 public class SM2UtilsTest {
 
     @Test
@@ -160,74 +162,44 @@ public class SM2UtilsTest {
 //    }
 //
 //
-//    @Test
-//    public void signingPerformace(){
-//
-//        byte[] data = new byte[1000];
-//        Random random = new Random();
-//        random.nextBytes(data);
-//
-//        int count = 10000;
-//
-//        byte[] sm2Digest = null;
-//        byte[] ed25519Digest = null;
-//
-//        AsymmetricCipherKeyPair keyPair = SM2Utils.generateKeyPair();
-//        ECPublicKeyParameters ecPub = (ECPublicKeyParameters) keyPair.getPublic();
-//        ECPrivateKeyParameters ecPriv = (ECPrivateKeyParameters) keyPair.getPrivate();
-//
-//        System.out.println("=================== do SM2 sign test ===================");
-//
-//        for (int r = 0; r < 5; r++) {
-//            System.out.println("------------- round[" + r + "] --------------");
-//            long startTS = System.currentTimeMillis();
-//            for (int i = 0; i < count; i++) {
-//                 sm2Digest = SM2Utils.sign(data,ecPriv);
-//            }
-//            long elapsedTS = System.currentTimeMillis() - startTS;
-//            System.out.println(String.format("SM2 Signing Count=%s; Elapsed Times=%s; TPS=%.2f", count, elapsedTS,
-//                    (count * 1000.00D) / elapsedTS));
-//        }
-//
-//        System.out.println("=================== do SM2 verify test ===================");
-//        for (int r = 0; r < 5; r++) {
-//            System.out.println("------------- round[" + r + "] --------------");
-//            long startTS = System.currentTimeMillis();
-//            for (int i = 0; i < count; i++) {
-//                SM2Utils.verify(data,ecPub,sm2Digest);
-//            }
-//            long elapsedTS = System.currentTimeMillis() - startTS;
-//            System.out.println(String.format("SM2 Verifying Count=%s; Elapsed Times=%s; TPS=%.2f", count, elapsedTS,
-//                    (count * 1000.00D) / elapsedTS));
-//        }
-//
-//        KeyPairGenerator keyPairGenerator = new KeyPairGenerator();
-//        KeyPair ed25519KeyPair = keyPairGenerator.generateKeyPair();
-//        EdDSAPrivateKey privKey = (EdDSAPrivateKey) ed25519KeyPair.getPrivate();
-//        EdDSAPublicKey pubKey = (EdDSAPublicKey) ed25519KeyPair.getPublic();
-//
-//        System.out.println("=================== do ED25519 sign test ===================");
-//        for (int r = 0; r < 5; r++) {
-//            System.out.println("------------- round[" + r + "] --------------");
-//            long startTS = System.currentTimeMillis();
-//            for (int i = 0; i < count; i++) {
-//                ed25519Digest = Ed25519Utils.sign_512(data,privKey.getSeed());
-//            }
-//            long elapsedTS = System.currentTimeMillis() - startTS;
-//            System.out.println(String.format("ED25519 Signing Count=%s; Elapsed Times=%s; TPS=%.2f", count, elapsedTS,
-//                    (count * 1000.00D) / elapsedTS));
-//        }
-//
-//        System.out.println("=================== do ED25519 verify test ===================");
-//        for (int r = 0; r < 5; r++) {
-//            System.out.println("------------- round[" + r + "] --------------");
-//            long startTS = System.currentTimeMillis();
-//            for (int i = 0; i < count; i++) {
-//                Ed25519Utils.verify(data,pubKey.getAbyte(),ed25519Digest);
-//            }
-//            long elapsedTS = System.currentTimeMillis() - startTS;
-//            System.out.println(String.format("ED25519 Verifying Count=%s; Elapsed Times=%s; TPS=%.2f", count, elapsedTS,
-//                    (count * 1000.00D) / elapsedTS));
-//        }
-//    }
+    @Test
+    public void signingPerformace(){
+
+        byte[] data = new byte[1024];
+        Random random = new Random();
+        random.nextBytes(data);
+
+        int count = 10000;
+
+        byte[] sm2Digest = null;
+
+        AsymmetricCipherKeyPair keyPair = SM2Utils.generateKeyPair();
+        ECPublicKeyParameters ecPub = (ECPublicKeyParameters) keyPair.getPublic();
+        ECPrivateKeyParameters ecPriv = (ECPrivateKeyParameters) keyPair.getPrivate();
+
+        System.out.println("=================== do SM2 sign test ===================");
+
+        for (int r = 0; r < 5; r++) {
+            System.out.println("------------- round[" + r + "] --------------");
+            long startTS = System.currentTimeMillis();
+            for (int i = 0; i < count; i++) {
+                 sm2Digest = SM2Utils.sign(data,ecPriv);
+            }
+            long elapsedTS = System.currentTimeMillis() - startTS;
+            System.out.println(String.format("SM2 Signing Count=%s; Elapsed Times=%s; TPS=%.2f", count, elapsedTS,
+                    (count * 1000.00D) / elapsedTS));
+        }
+
+        System.out.println("=================== do SM2 verify test ===================");
+        for (int r = 0; r < 5; r++) {
+            System.out.println("------------- round[" + r + "] --------------");
+            long startTS = System.currentTimeMillis();
+            for (int i = 0; i < count; i++) {
+                SM2Utils.verify(data,ecPub,sm2Digest);
+            }
+            long elapsedTS = System.currentTimeMillis() - startTS;
+            System.out.println(String.format("SM2 Verifying Count=%s; Elapsed Times=%s; TPS=%.2f", count, elapsedTS,
+                    (count * 1000.00D) / elapsedTS));
+        }
+    }
 }

source/utils/utils-common/src/test/java/test/my/utils/security/RSAUtilsTest.java

@@ -1,10 +1,19 @@
 package test.my.utils.security;
 
+import static com.jd.blockchain.utils.security.RSAUtils.ALG_RSA;
 import static org.junit.Assert.*;
 
 import java.io.UnsupportedEncodingException;
+import java.security.KeyPair;
+import java.security.KeyPairGenerator;
+import java.security.NoSuchAlgorithmException;
+import java.security.SecureRandom;
+import java.security.interfaces.RSAPrivateKey;
+import java.security.interfaces.RSAPublicKey;
 import java.util.UUID;
 
+import org.bouncycastle.util.encoders.Base64;
+import org.bouncycastle.util.encoders.Hex;
 import org.junit.Test;
 
 import com.jd.blockchain.utils.codec.HexUtils;
@@ -57,4 +66,23 @@ public class RSAUtilsTest {
 
 	}
 
+	@Test
+	public void generateKeyPairTest() throws NoSuchAlgorithmException {
+		KeyPairGenerator keyPairGen = KeyPairGenerator.getInstance("RSA");
+		keyPairGen.initialize(2048, new SecureRandom());
+		KeyPair keyPair = keyPairGen.generateKeyPair();
+		RSAPrivateKey privateKey = (RSAPrivateKey) keyPair.getPrivate();
+		RSAPublicKey publicKey = (RSAPublicKey) keyPair.getPublic();
+
+		byte[] pubKey = publicKey.getEncoded();
+		byte[] privKey = privateKey.getEncoded();
+
+		System.out.println(Base64.toBase64String(pubKey));
+		System.out.println(Base64.toBase64String(privKey));
+
+		System.out.println(Hex.toHexString(pubKey));
+		System.out.println(Hex.toHexString(privKey));
+
+	}
+
 }