remove invalid imports and a main function

source/crypto/crypto-classic/src/test/java/test/com/jd/blockchain/crypto/service/classic/ED25519SignatureFunctionTest.java

@@ -34,20 +34,6 @@ import com.jd.blockchain.utils.io.BytesUtils;
  */
 public class ED25519SignatureFunctionTest {
 
-	public static void main(String[] args) {
-		// Generate and output some public keys for test;
-		SignatureFunction signFunc = Crypto.getSignatureFunction("ED25519");
-		
-		AsymmetricKeypair kp1 = signFunc.generateKeypair();
-		System.out.println("kp1.pubKey=[" + kp1.getPubKey().toBase58() + "]");
-		System.out.println("kp1.privKey=[" + kp1.getPrivKey().toBase58() + "]");
-		
-		AsymmetricKeypair kp2 = signFunc.generateKeypair();
-		System.out.println("kp1.pubKey=[" + kp2.getPubKey().toBase58() + "]");
-		System.out.println("kp1.privKey=[" + kp2.getPrivKey().toBase58() + "]");
-
-	}
-
 	@Test
 	public void getAlgorithmTest() {
 

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

@@ -1,22 +1,16 @@
 package test.com.jd.blockchain.crypto.utils.classic;
 
 import com.jd.blockchain.crypto.utils.classic.RSAUtils;
-import org.bouncycastle.asn1.DERNull;
-import org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers;
-import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
 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.bouncycastle.jcajce.provider.asymmetric.util.KeyUtil;
-import org.bouncycastle.util.encoders.Hex;
 import org.junit.Test;
 
 import javax.crypto.BadPaddingException;
 import javax.crypto.Cipher;
 import javax.crypto.IllegalBlockSizeException;
 import javax.crypto.NoSuchPaddingException;
-import java.io.IOException;
 import java.security.*;
 import java.security.interfaces.RSAPrivateKey;
 import java.security.interfaces.RSAPublicKey;