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68 lines
2.5 KiB
68 lines
2.5 KiB
/* Copyright (c) 2012, 2019, 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, version 2.0,
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as published by the Free Software Foundation.
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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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Without limiting anything contained in the foregoing, this file,
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which is part of C Driver for MySQL (Connector/C), is also subject to the
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Universal FOSS Exception, version 1.0, a copy of which can be found at
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http://oss.oracle.com/licenses/universal-foss-exception.
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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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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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@file mysys/my_md5.cc
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Wrapper functions for OpenSSL.
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*/
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#include "my_md5.h"
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#include <openssl/crypto.h>
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#include <openssl/md5.h>
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static void my_md5_hash(unsigned char *digest, unsigned const char *buf,
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int len) {
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MD5_CTX ctx;
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MD5_Init(&ctx);
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MD5_Update(&ctx, buf, len);
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MD5_Final(digest, &ctx);
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}
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/**
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Wrapper function to compute MD5 message digest.
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@param [out] digest Computed MD5 digest
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@param [in] buf Message to be computed
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@param [in] len Length of the message
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@return 0 when MD5 hash function called successfully
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1 when MD5 hash function doesn't called because of fips
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mode (ON/STRICT)
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*/
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int compute_md5_hash(char *digest, const char *buf, int len) {
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int retval = 0;
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int fips_mode = 0;
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fips_mode = FIPS_mode();
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/* If fips mode is ON/STRICT restricted method calls will result into abort,
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* skipping call. */
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if (fips_mode == 0) {
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my_md5_hash((unsigned char *)digest, (unsigned const char *)buf, len);
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} else {
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retval = 1;
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}
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return retval;
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}
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