THUAI6/CAPI/cpp/grpc/include/openssl/ct.h

/*
 * WARNING: do not edit!
 * Generated by makefile from include\openssl\ct.h.in
 *
 * Copyright 2016-2020 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the Apache License 2.0 (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

#ifndef OPENSSL_CT_H
#define OPENSSL_CT_H
#pragma once

#include <openssl/macros.h>
#ifndef OPENSSL_NO_DEPRECATED_3_0
#define HEADER_CT_H
#endif

#include <openssl/opensslconf.h>

#ifndef OPENSSL_NO_CT
#include <openssl/types.h>
#include <openssl/safestack.h>
#include <openssl/x509.h>
#include <openssl/cterr.h>
#ifdef __cplusplus
extern "C"
{
#endif

/* Minimum RSA key size, from RFC6962 */
#define SCT_MIN_RSA_BITS 2048

/* All hashes are SHA256 in v1 of Certificate Transparency */
#define CT_V1_HASHLEN SHA256_DIGEST_LENGTH

    SKM_DEFINE_STACK_OF_INTERNAL(SCT, SCT, SCT)
#define sk_SCT_num(sk) OPENSSL_sk_num(ossl_check_const_SCT_sk_type(sk))
#define sk_SCT_value(sk, idx) ((SCT*)OPENSSL_sk_value(ossl_check_const_SCT_sk_type(sk), (idx)))
#define sk_SCT_new(cmp) ((STACK_OF(SCT)*)OPENSSL_sk_new(ossl_check_SCT_compfunc_type(cmp)))
#define sk_SCT_new_null() ((STACK_OF(SCT)*)OPENSSL_sk_new_null())
#define sk_SCT_new_reserve(cmp, n) ((STACK_OF(SCT)*)OPENSSL_sk_new_reserve(ossl_check_SCT_compfunc_type(cmp), (n)))
#define sk_SCT_reserve(sk, n) OPENSSL_sk_reserve(ossl_check_SCT_sk_type(sk), (n))
#define sk_SCT_free(sk) OPENSSL_sk_free(ossl_check_SCT_sk_type(sk))
#define sk_SCT_zero(sk) OPENSSL_sk_zero(ossl_check_SCT_sk_type(sk))
#define sk_SCT_delete(sk, i) ((SCT*)OPENSSL_sk_delete(ossl_check_SCT_sk_type(sk), (i)))
#define sk_SCT_delete_ptr(sk, ptr) ((SCT*)OPENSSL_sk_delete_ptr(ossl_check_SCT_sk_type(sk), ossl_check_SCT_type(ptr)))
#define sk_SCT_push(sk, ptr) OPENSSL_sk_push(ossl_check_SCT_sk_type(sk), ossl_check_SCT_type(ptr))
#define sk_SCT_unshift(sk, ptr) OPENSSL_sk_unshift(ossl_check_SCT_sk_type(sk), ossl_check_SCT_type(ptr))
#define sk_SCT_pop(sk) ((SCT*)OPENSSL_sk_pop(ossl_check_SCT_sk_type(sk)))
#define sk_SCT_shift(sk) ((SCT*)OPENSSL_sk_shift(ossl_check_SCT_sk_type(sk)))
#define sk_SCT_pop_free(sk, freefunc) OPENSSL_sk_pop_free(ossl_check_SCT_sk_type(sk), ossl_check_SCT_freefunc_type(freefunc))
#define sk_SCT_insert(sk, ptr, idx) OPENSSL_sk_insert(ossl_check_SCT_sk_type(sk), ossl_check_SCT_type(ptr), (idx))
#define sk_SCT_set(sk, idx, ptr) ((SCT*)OPENSSL_sk_set(ossl_check_SCT_sk_type(sk), (idx), ossl_check_SCT_type(ptr)))
#define sk_SCT_find(sk, ptr) OPENSSL_sk_find(ossl_check_SCT_sk_type(sk), ossl_check_SCT_type(ptr))
#define sk_SCT_find_ex(sk, ptr) OPENSSL_sk_find_ex(ossl_check_SCT_sk_type(sk), ossl_check_SCT_type(ptr))
#define sk_SCT_find_all(sk, ptr, pnum) OPENSSL_sk_find_all(ossl_check_SCT_sk_type(sk), ossl_check_SCT_type(ptr), pnum)
#define sk_SCT_sort(sk) OPENSSL_sk_sort(ossl_check_SCT_sk_type(sk))
#define sk_SCT_is_sorted(sk) OPENSSL_sk_is_sorted(ossl_check_const_SCT_sk_type(sk))
#define sk_SCT_dup(sk) ((STACK_OF(SCT)*)OPENSSL_sk_dup(ossl_check_const_SCT_sk_type(sk)))
#define sk_SCT_deep_copy(sk, copyfunc, freefunc) ((STACK_OF(SCT)*)OPENSSL_sk_deep_copy(ossl_check_const_SCT_sk_type(sk), ossl_check_SCT_copyfunc_type(copyfunc), ossl_check_SCT_freefunc_type(freefunc)))
#define sk_SCT_set_cmp_func(sk, cmp) ((sk_SCT_compfunc)OPENSSL_sk_set_cmp_func(ossl_check_SCT_sk_type(sk), ossl_check_SCT_compfunc_type(cmp)))
    SKM_DEFINE_STACK_OF_INTERNAL(CTLOG, CTLOG, CTLOG)
#define sk_CTLOG_num(sk) OPENSSL_sk_num(ossl_check_const_CTLOG_sk_type(sk))
#define sk_CTLOG_value(sk, idx) ((CTLOG*)OPENSSL_sk_value(ossl_check_const_CTLOG_sk_type(sk), (idx)))
#define sk_CTLOG_new(cmp) ((STACK_OF(CTLOG)*)OPENSSL_sk_new(ossl_check_CTLOG_compfunc_type(cmp)))
#define sk_CTLOG_new_null() ((STACK_OF(CTLOG)*)OPENSSL_sk_new_null())
#define sk_CTLOG_new_reserve(cmp, n) ((STACK_OF(CTLOG)*)OPENSSL_sk_new_reserve(ossl_check_CTLOG_compfunc_type(cmp), (n)))
#define sk_CTLOG_reserve(sk, n) OPENSSL_sk_reserve(ossl_check_CTLOG_sk_type(sk), (n))
#define sk_CTLOG_free(sk) OPENSSL_sk_free(ossl_check_CTLOG_sk_type(sk))
#define sk_CTLOG_zero(sk) OPENSSL_sk_zero(ossl_check_CTLOG_sk_type(sk))
#define sk_CTLOG_delete(sk, i) ((CTLOG*)OPENSSL_sk_delete(ossl_check_CTLOG_sk_type(sk), (i)))
#define sk_CTLOG_delete_ptr(sk, ptr) ((CTLOG*)OPENSSL_sk_delete_ptr(ossl_check_CTLOG_sk_type(sk), ossl_check_CTLOG_type(ptr)))
#define sk_CTLOG_push(sk, ptr) OPENSSL_sk_push(ossl_check_CTLOG_sk_type(sk), ossl_check_CTLOG_type(ptr))
#define sk_CTLOG_unshift(sk, ptr) OPENSSL_sk_unshift(ossl_check_CTLOG_sk_type(sk), ossl_check_CTLOG_type(ptr))
#define sk_CTLOG_pop(sk) ((CTLOG*)OPENSSL_sk_pop(ossl_check_CTLOG_sk_type(sk)))
#define sk_CTLOG_shift(sk) ((CTLOG*)OPENSSL_sk_shift(ossl_check_CTLOG_sk_type(sk)))
#define sk_CTLOG_pop_free(sk, freefunc) OPENSSL_sk_pop_free(ossl_check_CTLOG_sk_type(sk), ossl_check_CTLOG_freefunc_type(freefunc))
#define sk_CTLOG_insert(sk, ptr, idx) OPENSSL_sk_insert(ossl_check_CTLOG_sk_type(sk), ossl_check_CTLOG_type(ptr), (idx))
#define sk_CTLOG_set(sk, idx, ptr) ((CTLOG*)OPENSSL_sk_set(ossl_check_CTLOG_sk_type(sk), (idx), ossl_check_CTLOG_type(ptr)))
#define sk_CTLOG_find(sk, ptr) OPENSSL_sk_find(ossl_check_CTLOG_sk_type(sk), ossl_check_CTLOG_type(ptr))
#define sk_CTLOG_find_ex(sk, ptr) OPENSSL_sk_find_ex(ossl_check_CTLOG_sk_type(sk), ossl_check_CTLOG_type(ptr))
#define sk_CTLOG_find_all(sk, ptr, pnum) OPENSSL_sk_find_all(ossl_check_CTLOG_sk_type(sk), ossl_check_CTLOG_type(ptr), pnum)
#define sk_CTLOG_sort(sk) OPENSSL_sk_sort(ossl_check_CTLOG_sk_type(sk))
#define sk_CTLOG_is_sorted(sk) OPENSSL_sk_is_sorted(ossl_check_const_CTLOG_sk_type(sk))
#define sk_CTLOG_dup(sk) ((STACK_OF(CTLOG)*)OPENSSL_sk_dup(ossl_check_const_CTLOG_sk_type(sk)))
#define sk_CTLOG_deep_copy(sk, copyfunc, freefunc) ((STACK_OF(CTLOG)*)OPENSSL_sk_deep_copy(ossl_check_const_CTLOG_sk_type(sk), ossl_check_CTLOG_copyfunc_type(copyfunc), ossl_check_CTLOG_freefunc_type(freefunc)))
#define sk_CTLOG_set_cmp_func(sk, cmp) ((sk_CTLOG_compfunc)OPENSSL_sk_set_cmp_func(ossl_check_CTLOG_sk_type(sk), ossl_check_CTLOG_compfunc_type(cmp)))

    typedef enum
    {
        CT_LOG_ENTRY_TYPE_NOT_SET = -1,
        CT_LOG_ENTRY_TYPE_X509 = 0,
        CT_LOG_ENTRY_TYPE_PRECERT = 1
    } ct_log_entry_type_t;

    typedef enum
    {
        SCT_VERSION_NOT_SET = -1,
        SCT_VERSION_V1 = 0
    } sct_version_t;

    typedef enum
    {
        SCT_SOURCE_UNKNOWN,
        SCT_SOURCE_TLS_EXTENSION,
        SCT_SOURCE_X509V3_EXTENSION,
        SCT_SOURCE_OCSP_STAPLED_RESPONSE
    } sct_source_t;

    typedef enum
    {
        SCT_VALIDATION_STATUS_NOT_SET,
        SCT_VALIDATION_STATUS_UNKNOWN_LOG,
        SCT_VALIDATION_STATUS_VALID,
        SCT_VALIDATION_STATUS_INVALID,
        SCT_VALIDATION_STATUS_UNVERIFIED,
        SCT_VALIDATION_STATUS_UNKNOWN_VERSION
    } sct_validation_status_t;

    /******************************************
     * CT policy evaluation context functions *
     ******************************************/

    /*
     * Creates a new, empty policy evaluation context associated with the given
     * library context and property query string.
     * The caller is responsible for calling CT_POLICY_EVAL_CTX_free when finished
     * with the CT_POLICY_EVAL_CTX.
     */
    CT_POLICY_EVAL_CTX* CT_POLICY_EVAL_CTX_new_ex(OSSL_LIB_CTX* libctx, const char* propq);

    /*
     * The same as CT_POLICY_EVAL_CTX_new_ex() but the default library
     * context and property query string is used.
     */
    CT_POLICY_EVAL_CTX* CT_POLICY_EVAL_CTX_new(void);

    /* Deletes a policy evaluation context and anything it owns. */
    void CT_POLICY_EVAL_CTX_free(CT_POLICY_EVAL_CTX* ctx);

    /* Gets the peer certificate that the SCTs are for */
    X509* CT_POLICY_EVAL_CTX_get0_cert(const CT_POLICY_EVAL_CTX* ctx);

    /*
     * Sets the certificate associated with the received SCTs.
     * Increments the reference count of cert.
     * Returns 1 on success, 0 otherwise.
     */
    int CT_POLICY_EVAL_CTX_set1_cert(CT_POLICY_EVAL_CTX* ctx, X509* cert);

    /* Gets the issuer of the aforementioned certificate */
    X509* CT_POLICY_EVAL_CTX_get0_issuer(const CT_POLICY_EVAL_CTX* ctx);

    /*
     * Sets the issuer of the certificate associated with the received SCTs.
     * Increments the reference count of issuer.
     * Returns 1 on success, 0 otherwise.
     */
    int CT_POLICY_EVAL_CTX_set1_issuer(CT_POLICY_EVAL_CTX* ctx, X509* issuer);

    /* Gets the CT logs that are trusted sources of SCTs */
    const CTLOG_STORE* CT_POLICY_EVAL_CTX_get0_log_store(const CT_POLICY_EVAL_CTX* ctx);

    /* Sets the log store that is in use. It must outlive the CT_POLICY_EVAL_CTX. */
    void CT_POLICY_EVAL_CTX_set_shared_CTLOG_STORE(CT_POLICY_EVAL_CTX* ctx, CTLOG_STORE* log_store);

    /*
     * Gets the time, in milliseconds since the Unix epoch, that will be used as the
     * current time when checking whether an SCT was issued in the future.
     * Such SCTs will fail validation, as required by RFC6962.
     */
    uint64_t CT_POLICY_EVAL_CTX_get_time(const CT_POLICY_EVAL_CTX* ctx);

    /*
     * Sets the time to evaluate SCTs against, in milliseconds since the Unix epoch.
     * If an SCT's timestamp is after this time, it will be interpreted as having
     * been issued in the future. RFC6962 states that "TLS clients MUST reject SCTs
     * whose timestamp is in the future", so an SCT will not validate in this case.
     */
    void CT_POLICY_EVAL_CTX_set_time(CT_POLICY_EVAL_CTX* ctx, uint64_t time_in_ms);

    /*****************
     * SCT functions *
     *****************/

    /*
     * Creates a new, blank SCT.
     * The caller is responsible for calling SCT_free when finished with the SCT.
     */
    SCT* SCT_new(void);

    /*
     * Creates a new SCT from some base64-encoded strings.
     * The caller is responsible for calling SCT_free when finished with the SCT.
     */
    SCT* SCT_new_from_base64(unsigned char version, const char* logid_base64, ct_log_entry_type_t entry_type, uint64_t timestamp, const char* extensions_base64, const char* signature_base64);

    /*
     * Frees the SCT and the underlying data structures.
     */
    void SCT_free(SCT* sct);

    /*
     * Free a stack of SCTs, and the underlying SCTs themselves.
     * Intended to be compatible with X509V3_EXT_FREE.
     */
    void SCT_LIST_free(STACK_OF(SCT) * a);

    /*
     * Returns the version of the SCT.
     */
    sct_version_t SCT_get_version(const SCT* sct);

    /*
     * Set the version of an SCT.
     * Returns 1 on success, 0 if the version is unrecognized.
     */
    __owur int SCT_set_version(SCT* sct, sct_version_t version);

    /*
     * Returns the log entry type of the SCT.
     */
    ct_log_entry_type_t SCT_get_log_entry_type(const SCT* sct);

    /*
     * Set the log entry type of an SCT.
     * Returns 1 on success, 0 otherwise.
     */
    __owur int SCT_set_log_entry_type(SCT* sct, ct_log_entry_type_t entry_type);

    /*
     * Gets the ID of the log that an SCT came from.
     * Ownership of the log ID remains with the SCT.
     * Returns the length of the log ID.
     */
    size_t SCT_get0_log_id(const SCT* sct, unsigned char** log_id);

    /*
     * Set the log ID of an SCT to point directly to the *log_id specified.
     * The SCT takes ownership of the specified pointer.
     * Returns 1 on success, 0 otherwise.
     */
    __owur int SCT_set0_log_id(SCT* sct, unsigned char* log_id, size_t log_id_len);

    /*
     * Set the log ID of an SCT.
     * This makes a copy of the log_id.
     * Returns 1 on success, 0 otherwise.
     */
    __owur int SCT_set1_log_id(SCT* sct, const unsigned char* log_id, size_t log_id_len);

    /*
     * Returns the timestamp for the SCT (epoch time in milliseconds).
     */
    uint64_t SCT_get_timestamp(const SCT* sct);

    /*
     * Set the timestamp of an SCT (epoch time in milliseconds).
     */
    void SCT_set_timestamp(SCT* sct, uint64_t timestamp);

    /*
     * Return the NID for the signature used by the SCT.
     * For CT v1, this will be either NID_sha256WithRSAEncryption or
     * NID_ecdsa_with_SHA256 (or NID_undef if incorrect/unset).
     */
    int SCT_get_signature_nid(const SCT* sct);

    /*
     * Set the signature type of an SCT
     * For CT v1, this should be either NID_sha256WithRSAEncryption or
     * NID_ecdsa_with_SHA256.
     * Returns 1 on success, 0 otherwise.
     */
    __owur int SCT_set_signature_nid(SCT* sct, int nid);

    /*
     * Set *ext to point to the extension data for the SCT. ext must not be NULL.
     * The SCT retains ownership of this pointer.
     * Returns length of the data pointed to.
     */
    size_t SCT_get0_extensions(const SCT* sct, unsigned char** ext);

    /*
     * Set the extensions of an SCT to point directly to the *ext specified.
     * The SCT takes ownership of the specified pointer.
     */
    void SCT_set0_extensions(SCT* sct, unsigned char* ext, size_t ext_len);

    /*
     * Set the extensions of an SCT.
     * This takes a copy of the ext.
     * Returns 1 on success, 0 otherwise.
     */
    __owur int SCT_set1_extensions(SCT* sct, const unsigned char* ext, size_t ext_len);

    /*
     * Set *sig to point to the signature for the SCT. sig must not be NULL.
     * The SCT retains ownership of this pointer.
     * Returns length of the data pointed to.
     */
    size_t SCT_get0_signature(const SCT* sct, unsigned char** sig);

    /*
     * Set the signature of an SCT to point directly to the *sig specified.
     * The SCT takes ownership of the specified pointer.
     */
    void SCT_set0_signature(SCT* sct, unsigned char* sig, size_t sig_len);

    /*
     * Set the signature of an SCT to be a copy of the *sig specified.
     * Returns 1 on success, 0 otherwise.
     */
    __owur int SCT_set1_signature(SCT* sct, const unsigned char* sig, size_t sig_len);

    /*
     * The origin of this SCT, e.g. TLS extension, OCSP response, etc.
     */
    sct_source_t SCT_get_source(const SCT* sct);

    /*
     * Set the origin of this SCT, e.g. TLS extension, OCSP response, etc.
     * Returns 1 on success, 0 otherwise.
     */
    __owur int SCT_set_source(SCT* sct, sct_source_t source);

    /*
     * Returns a text string describing the validation status of |sct|.
     */
    const char* SCT_validation_status_string(const SCT* sct);

    /*
     * Pretty-prints an |sct| to |out|.
     * It will be indented by the number of spaces specified by |indent|.
     * If |logs| is not NULL, it will be used to lookup the CT log that the SCT came
     * from, so that the log name can be printed.
     */
    void SCT_print(const SCT* sct, BIO* out, int indent, const CTLOG_STORE* logs);

    /*
     * Pretty-prints an |sct_list| to |out|.
     * It will be indented by the number of spaces specified by |indent|.
     * SCTs will be delimited by |separator|.
     * If |logs| is not NULL, it will be used to lookup the CT log that each SCT
     * came from, so that the log names can be printed.
     */
    void SCT_LIST_print(const STACK_OF(SCT) * sct_list, BIO* out, int indent, const char* separator, const CTLOG_STORE* logs);

    /*
     * Gets the last result of validating this SCT.
     * If it has not been validated yet, returns SCT_VALIDATION_STATUS_NOT_SET.
     */
    sct_validation_status_t SCT_get_validation_status(const SCT* sct);

    /*
     * Validates the given SCT with the provided context.
     * Sets the "validation_status" field of the SCT.
     * Returns 1 if the SCT is valid and the signature verifies.
     * Returns 0 if the SCT is invalid or could not be verified.
     * Returns -1 if an error occurs.
     */
    __owur int SCT_validate(SCT* sct, const CT_POLICY_EVAL_CTX* ctx);

    /*
     * Validates the given list of SCTs with the provided context.
     * Sets the "validation_status" field of each SCT.
     * Returns 1 if there are no invalid SCTs and all signatures verify.
     * Returns 0 if at least one SCT is invalid or could not be verified.
     * Returns a negative integer if an error occurs.
     */
    __owur int SCT_LIST_validate(const STACK_OF(SCT) * scts, CT_POLICY_EVAL_CTX* ctx);

    /*********************************
     * SCT parsing and serialization *
     *********************************/

    /*
     * Serialize (to TLS format) a stack of SCTs and return the length.
     * "a" must not be NULL.
     * If "pp" is NULL, just return the length of what would have been serialized.
     * If "pp" is not NULL and "*pp" is null, function will allocate a new pointer
     * for data that caller is responsible for freeing (only if function returns
     * successfully).
     * If "pp" is NULL and "*pp" is not NULL, caller is responsible for ensuring
     * that "*pp" is large enough to accept all of the serialized data.
     * Returns < 0 on error, >= 0 indicating bytes written (or would have been)
     * on success.
     */
    __owur int i2o_SCT_LIST(const STACK_OF(SCT) * a, unsigned char** pp);

    /*
     * Convert TLS format SCT list to a stack of SCTs.
     * If "a" or "*a" is NULL, a new stack will be created that the caller is
     * responsible for freeing (by calling SCT_LIST_free).
     * "**pp" and "*pp" must not be NULL.
     * Upon success, "*pp" will point to after the last bytes read, and a stack
     * will be returned.
     * Upon failure, a NULL pointer will be returned, and the position of "*pp" is
     * not defined.
     */
    STACK_OF(SCT) * o2i_SCT_LIST(STACK_OF(SCT) * *a, const unsigned char** pp, size_t len);

    /*
     * Serialize (to DER format) a stack of SCTs and return the length.
     * "a" must not be NULL.
     * If "pp" is NULL, just returns the length of what would have been serialized.
     * If "pp" is not NULL and "*pp" is null, function will allocate a new pointer
     * for data that caller is responsible for freeing (only if function returns
     * successfully).
     * If "pp" is NULL and "*pp" is not NULL, caller is responsible for ensuring
     * that "*pp" is large enough to accept all of the serialized data.
     * Returns < 0 on error, >= 0 indicating bytes written (or would have been)
     * on success.
     */
    __owur int i2d_SCT_LIST(const STACK_OF(SCT) * a, unsigned char** pp);

    /*
     * Parses an SCT list in DER format and returns it.
     * If "a" or "*a" is NULL, a new stack will be created that the caller is
     * responsible for freeing (by calling SCT_LIST_free).
     * "**pp" and "*pp" must not be NULL.
     * Upon success, "*pp" will point to after the last bytes read, and a stack
     * will be returned.
     * Upon failure, a NULL pointer will be returned, and the position of "*pp" is
     * not defined.
     */
    STACK_OF(SCT) * d2i_SCT_LIST(STACK_OF(SCT) * *a, const unsigned char** pp, long len);

    /*
     * Serialize (to TLS format) an |sct| and write it to |out|.
     * If |out| is null, no SCT will be output but the length will still be returned.
     * If |out| points to a null pointer, a string will be allocated to hold the
     * TLS-format SCT. It is the responsibility of the caller to free it.
     * If |out| points to an allocated string, the TLS-format SCT will be written
     * to it.
     * The length of the SCT in TLS format will be returned.
     */
    __owur int i2o_SCT(const SCT* sct, unsigned char** out);

    /*
     * Parses an SCT in TLS format and returns it.
     * If |psct| is not null, it will end up pointing to the parsed SCT. If it
     * already points to a non-null pointer, the pointer will be free'd.
     * |in| should be a pointer to a string containing the TLS-format SCT.
     * |in| will be advanced to the end of the SCT if parsing succeeds.
     * |len| should be the length of the SCT in |in|.
     * Returns NULL if an error occurs.
     * If the SCT is an unsupported version, only the SCT's 'sct' and 'sct_len'
     * fields will be populated (with |in| and |len| respectively).
     */
    SCT* o2i_SCT(SCT** psct, const unsigned char** in, size_t len);

    /********************
     * CT log functions *
     ********************/

    /*
     * Creates a new CT log instance with the given |public_key| and |name| and
     * associates it with the give library context |libctx| and property query
     * string |propq|.
     * Takes ownership of |public_key| but copies |name|.
     * Returns NULL if malloc fails or if |public_key| cannot be converted to DER.
     * Should be deleted by the caller using CTLOG_free when no longer needed.
     */
    CTLOG* CTLOG_new_ex(EVP_PKEY* public_key, const char* name, OSSL_LIB_CTX* libctx, const char* propq);

    /*
     * The same as CTLOG_new_ex except that the default library context and
     * property query string are used.
     */
    CTLOG* CTLOG_new(EVP_PKEY* public_key, const char* name);

    /*
     * Creates a new CTLOG instance with the base64-encoded SubjectPublicKeyInfo DER
     * in |pkey_base64| and associated with the given library context |libctx| and
     * property query string |propq|. The |name| is a string to help users identify
     * this log.
     * Returns 1 on success, 0 on failure.
     * Should be deleted by the caller using CTLOG_free when no longer needed.
     */
    int CTLOG_new_from_base64_ex(CTLOG** ct_log, const char* pkey_base64, const char* name, OSSL_LIB_CTX* libctx, const char* propq);

    /*
     * The same as CTLOG_new_from_base64_ex() except that the default
     * library context and property query string are used.
     * Returns 1 on success, 0 on failure.
     */
    int CTLOG_new_from_base64(CTLOG** ct_log, const char* pkey_base64, const char* name);

    /*
     * Deletes a CT log instance and its fields.
     */
    void CTLOG_free(CTLOG* log);

    /* Gets the name of the CT log */
    const char* CTLOG_get0_name(const CTLOG* log);
    /* Gets the ID of the CT log */
    void CTLOG_get0_log_id(const CTLOG* log, const uint8_t** log_id, size_t* log_id_len);
    /* Gets the public key of the CT log */
    EVP_PKEY* CTLOG_get0_public_key(const CTLOG* log);

    /**************************
     * CT log store functions *
     **************************/

    /*
     * Creates a new CT log store and associates it with the given libctx and
     * property query string.
     * Should be deleted by the caller using CTLOG_STORE_free when no longer needed.
     */
    CTLOG_STORE* CTLOG_STORE_new_ex(OSSL_LIB_CTX* libctx, const char* propq);

    /*
     * Same as CTLOG_STORE_new_ex except that the default libctx and
     * property query string are used.
     * Should be deleted by the caller using CTLOG_STORE_free when no longer needed.
     */
    CTLOG_STORE* CTLOG_STORE_new(void);

    /*
     * Deletes a CT log store and all of the CT log instances held within.
     */
    void CTLOG_STORE_free(CTLOG_STORE* store);

    /*
     * Finds a CT log in the store based on its log ID.
     * Returns the CT log, or NULL if no match is found.
     */
    const CTLOG* CTLOG_STORE_get0_log_by_id(const CTLOG_STORE* store, const uint8_t* log_id, size_t log_id_len);

    /*
     * Loads a CT log list into a |store| from a |file|.
     * Returns 1 if loading is successful, or 0 otherwise.
     */
    __owur int CTLOG_STORE_load_file(CTLOG_STORE* store, const char* file);

    /*
     * Loads the default CT log list into a |store|.
     * Returns 1 if loading is successful, or 0 otherwise.
     */
    __owur int CTLOG_STORE_load_default_file(CTLOG_STORE* store);

#ifdef __cplusplus
}
#endif
#endif
#endif