mirror of
https://github.com/MariaDB/server.git
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151 lines
3.9 KiB
C++
151 lines
3.9 KiB
C++
/* Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA */
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/**
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@file
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@brief
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Wrapper functions for OpenSSL, YaSSL implementations. Also provides a
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Compatibility layer to make available YaSSL's SHA1 implementation.
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*/
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#include <my_global.h>
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#include <sha1.h>
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#include <stdarg.h>
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#if defined(HAVE_YASSL)
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#include "sha.hpp"
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/**
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Compute SHA1 message digest using YaSSL.
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@param digest [out] Computed SHA1 digest
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@param buf [in] Message to be computed
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@param len [in] Length of the message
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@return void
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*/
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void mysql_sha1_yassl(uint8 *digest, const char *buf, int len)
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{
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TaoCrypt::SHA hasher;
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hasher.Update((const TaoCrypt::byte *) buf, len);
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hasher.Final ((TaoCrypt::byte *) digest);
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}
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/**
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Compute SHA1 message digest for two messages in order to
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emulate sha1(msg1, msg2) using YaSSL.
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@param digest [out] Computed SHA1 digest
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@param buf1 [in] First message
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@param len1 [in] Length of first message
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@param buf2 [in] Second message
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@param len2 [in] Length of second message
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@return void
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*/
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void mysql_sha1_multi_yassl(uint8 *digest, va_list args)
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{
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const char *str;
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TaoCrypt::SHA hasher;
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for (str= va_arg(args, const char*); str; str= va_arg(args, const char*))
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{
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hasher.Update((const TaoCrypt::byte *) str, va_arg(args, size_t));
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}
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hasher.Final((TaoCrypt::byte *) digest);
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}
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#elif defined(HAVE_OPENSSL)
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#include <openssl/sha.h>
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int mysql_sha1_reset(SHA_CTX *context)
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{
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return SHA1_Init(context);
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}
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int mysql_sha1_input(SHA_CTX *context, const uint8 *message_array,
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unsigned length)
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{
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return SHA1_Update(context, message_array, length);
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}
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int mysql_sha1_result(SHA_CTX *context,
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uint8 Message_Digest[SHA1_HASH_SIZE])
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{
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return SHA1_Final(Message_Digest, context);
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}
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#endif /* HAVE_YASSL */
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/**
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Wrapper function to compute SHA1 message digest.
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@param digest [out] Computed SHA1 digest
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@param buf [in] Message to be computed
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@param len [in] Length of the message
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@return void
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*/
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void my_sha1(uint8 *digest, const char *buf, size_t len)
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{
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#if defined(HAVE_YASSL)
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mysql_sha1_yassl(digest, buf, len);
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#elif defined(HAVE_OPENSSL)
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SHA_CTX sha1_context;
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mysql_sha1_reset(&sha1_context);
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mysql_sha1_input(&sha1_context, (const uint8 *) buf, len);
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mysql_sha1_result(&sha1_context, digest);
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#endif /* HAVE_YASSL */
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}
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/**
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Wrapper function to compute SHA1 message digest for
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two messages in order to emulate sha1(msg1, msg2).
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@param digest [out] Computed SHA1 digest
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@param buf1 [in] First message
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@param len1 [in] Length of first message
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@param buf2 [in] Second message
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@param len2 [in] Length of second message
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@return void
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*/
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void my_sha1_multi(uint8 *digest, ...)
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{
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va_list args;
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va_start(args, digest);
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#if defined(HAVE_YASSL)
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mysql_sha1_multi_yassl(digest, args);
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#elif defined(HAVE_OPENSSL)
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SHA_CTX sha1_context;
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const char *str;
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mysql_sha1_reset(&sha1_context);
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for (str= va_arg(args, const char*); str; str= va_arg(args, const char*))
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{
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mysql_sha1_input(&sha1_context, (const uint8 *) str, va_arg(args, size_t));
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}
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mysql_sha1_result(&sha1_context, digest);
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#endif /* HAVE_YASSL */
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va_end(args);
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}
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