138 lines
4.0 KiB
C++

/*
* Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; version 2 of the
* License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#include <my_global.h>
#include "mysql41_hash.h"
#if defined(HAVE_YASSL)
#include "sha.hpp"
/**
Compute mysql41_hash message digest using YaSSL.
@param digest [out] Computed mysql41_hash digest
@param buf [in] Message to be computed
@param len [in] Length of the message
@return void
*/
void mysql_mysql41_hash_yassl(uint8 *digest, const char *buf, size_t len)
{
TaoCrypt::SHA hasher;
hasher.Update((const TaoCrypt::byte *) buf, (TaoCrypt::word32)len);
hasher.Final ((TaoCrypt::byte *) digest);
}
/**
Compute mysql41_hash message digest for two messages in order to
emulate mysql41_hash(msg1, msg2) using YaSSL.
@param digest [out] Computed mysql41_hash digest
@param buf1 [in] First message
@param len1 [in] Length of first message
@param buf2 [in] Second message
@param len2 [in] Length of second message
@return void
*/
void mysql_mysql41_hash_multi_yassl(uint8 *digest, const char *buf1, int len1,
const char *buf2, int len2)
{
TaoCrypt::SHA hasher;
hasher.Update((const TaoCrypt::byte *) buf1, len1);
hasher.Update((const TaoCrypt::byte *) buf2, len2);
hasher.Final((TaoCrypt::byte *) digest);
}
#elif defined(HAVE_OPENSSL)
#include <openssl/sha.h>
int mysql_mysql41_hash_reset(SHA_CTX *context)
{
return SHA1_Init(context);
}
int mysql_mysql41_hash_input(SHA_CTX *context, const uint8 *message_array,
unsigned length)
{
return SHA1_Update(context, message_array, length);
}
int mysql_mysql41_hash_result(SHA_CTX *context,
uint8 Message_Digest[MYSQL41_HASH_SIZE])
{
return SHA1_Final(Message_Digest, context);
}
#endif /* HAVE_YASSL */
/**
Wrapper function to compute mysql41_hash message digest.
@param digest [out] Computed mysql41_hash digest
@param buf [in] Message to be computed
@param len [in] Length of the message
@return void
*/
void compute_mysql41_hash(uint8 *digest, const char *buf, size_t len)
{
#if defined(HAVE_YASSL)
mysql_mysql41_hash_yassl(digest, buf, len);
#elif defined(HAVE_OPENSSL)
SHA_CTX mysql41_hash_context;
mysql_mysql41_hash_reset(&mysql41_hash_context);
mysql_mysql41_hash_input(&mysql41_hash_context, (const uint8 *) buf, len);
mysql_mysql41_hash_result(&mysql41_hash_context, digest);
#endif /* HAVE_YASSL */
}
/**
Wrapper function to compute mysql41_hash message digest for
two messages in order to emulate mysql41_hash(msg1, msg2).
@param digest [out] Computed mysql41_hash digest
@param buf1 [in] First message
@param len1 [in] Length of first message
@param buf2 [in] Second message
@param len2 [in] Length of second message
@return void
*/
void compute_mysql41_hash_multi(uint8 *digest, const char *buf1, int len1,
const char *buf2, int len2)
{
#if defined(HAVE_YASSL)
mysql_mysql41_hash_multi_yassl(digest, buf1, len1, buf2, len2);
#elif defined(HAVE_OPENSSL)
SHA_CTX mysql41_hash_context;
mysql_mysql41_hash_reset(&mysql41_hash_context);
mysql_mysql41_hash_input(&mysql41_hash_context, (const uint8 *) buf1, len1);
mysql_mysql41_hash_input(&mysql41_hash_context, (const uint8 *) buf2, len2);
mysql_mysql41_hash_result(&mysql41_hash_context, digest);
#endif /* HAVE_YASSL */
}