80 lines
3.0 KiB
C++
80 lines
3.0 KiB
C++
/*
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* Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
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*
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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, version 2.0,
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* as published by the Free Software Foundation.
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*
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* This program is also distributed with certain software (including
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* but not limited to OpenSSL) that is licensed under separate terms,
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* as designated in a particular file or component or in included license
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* documentation. The authors of MySQL hereby grant you an additional
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* permission to link the program and your derivative works with the
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* separately licensed software that they have included with MySQL.
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*
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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, version 2.0, for more details.
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*
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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
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "plugin/x/client/authentication/mysql41_hash.h"
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#include <openssl/sha.h>
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int mysql_mysql41_hash_reset(SHA_CTX *context) { return SHA1_Init(context); }
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int mysql_mysql41_hash_input(SHA_CTX *context, const uint8_t *message_array,
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unsigned length) {
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return SHA1_Update(context, message_array, length);
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}
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int mysql_mysql41_hash_result(SHA_CTX *context,
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uint8_t Message_Digest[MYSQL41_HASH_SIZE]) {
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return SHA1_Final(Message_Digest, context);
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}
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/**
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Wrapper function to compute mysql41_hash message digest.
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@param digest [out] Computed mysql41_hash 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 compute_mysql41_hash(uint8_t *digest, const char *buf, unsigned len) {
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SHA_CTX mysql41_hash_context;
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mysql_mysql41_hash_reset(&mysql41_hash_context);
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mysql_mysql41_hash_input(&mysql41_hash_context, (const uint8_t *)buf, len);
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mysql_mysql41_hash_result(&mysql41_hash_context, digest);
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}
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/**
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Wrapper function to compute mysql41_hash message digest for
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two messages in order to emulate mysql41_hash(msg1, msg2).
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@param digest [out] Computed mysql41_hash 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 compute_mysql41_hash_multi(uint8_t *digest, const char *buf1,
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unsigned len1, const char *buf2,
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unsigned len2) {
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SHA_CTX mysql41_hash_context;
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mysql_mysql41_hash_reset(&mysql41_hash_context);
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mysql_mysql41_hash_input(&mysql41_hash_context, (const uint8_t *)buf1, len1);
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mysql_mysql41_hash_input(&mysql41_hash_context, (const uint8_t *)buf2, len2);
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mysql_mysql41_hash_result(&mysql41_hash_context, digest);
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}
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