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Temporary commit of 10.0-merge

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Michael Widenius 2013-03-26 00:03:13 +02:00
commit 068c61978e
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mysys_ssl/my_sha1.cc Normal file
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/* Copyright (c) 2012, 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,
51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA */
/**
@file
@brief
Wrapper functions for OpenSSL, YaSSL implementations. Also provides a
Compatibility layer to make available YaSSL's SHA1 implementation.
*/
#include <my_global.h>
#include <sha1.h>
#if defined(HAVE_YASSL)
#include "sha.hpp"
/**
Compute SHA1 message digest using YaSSL.
@param digest [out] Computed SHA1 digest
@param buf [in] Message to be computed
@param len [in] Length of the message
@return void
*/
void mysql_sha1_yassl(uint8 *digest, const char *buf, int len)
{
TaoCrypt::SHA hasher;
hasher.Update((const TaoCrypt::byte *) buf, len);
hasher.Final ((TaoCrypt::byte *) digest);
}
/**
Compute SHA1 message digest for two messages in order to
emulate sha1(msg1, msg2) using YaSSL.
@param digest [out] Computed SHA1 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_sha1_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_sha1_reset(SHA_CTX *context)
{
return SHA1_Init(context);
}
int mysql_sha1_input(SHA_CTX *context, const uint8 *message_array,
unsigned length)
{
return SHA1_Update(context, message_array, length);
}
int mysql_sha1_result(SHA_CTX *context,
uint8 Message_Digest[SHA1_HASH_SIZE])
{
return SHA1_Final(Message_Digest, context);
}
#endif /* HAVE_YASSL */
/**
Wrapper function to compute SHA1 message digest.
@param digest [out] Computed SHA1 digest
@param buf [in] Message to be computed
@param len [in] Length of the message
@return void
*/
void compute_sha1_hash(uint8 *digest, const char *buf, int len)
{
#if defined(HAVE_YASSL)
mysql_sha1_yassl(digest, buf, len);
#elif defined(HAVE_OPENSSL)
SHA_CTX sha1_context;
mysql_sha1_reset(&sha1_context);
mysql_sha1_input(&sha1_context, (const uint8 *) buf, len);
mysql_sha1_result(&sha1_context, digest);
#endif /* HAVE_YASSL */
}
/**
Wrapper function to compute SHA1 message digest for
two messages in order to emulate sha1(msg1, msg2).
@param digest [out] Computed SHA1 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_sha1_hash_multi(uint8 *digest, const char *buf1, int len1,
const char *buf2, int len2)
{
#if defined(HAVE_YASSL)
mysql_sha1_multi_yassl(digest, buf1, len1, buf2, len2);
#elif defined(HAVE_OPENSSL)
SHA_CTX sha1_context;
mysql_sha1_reset(&sha1_context);
mysql_sha1_input(&sha1_context, (const uint8 *) buf1, len1);
mysql_sha1_input(&sha1_context, (const uint8 *) buf2, len2);
mysql_sha1_result(&sha1_context, digest);
#endif /* HAVE_YASSL */
}