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80 lines
3.0 KiB
80 lines
3.0 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
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Wrapper functions for OpenSSL implementations.
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*/
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#include "my_inttypes.h"
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#include "sha1.h"
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#if defined(HAVE_OPENSSL)
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#include <openssl/evp.h>
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#include <openssl/sha.h>
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#endif /* HAVE_OPENSSL */
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/**
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Wrapper function to compute SHA1 message digest.
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@param [out] digest Computed SHA1 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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*/
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void compute_sha1_hash(uint8 *digest, const char *buf, size_t len) {
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#if defined(HAVE_OPENSSL)
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EVP_MD_CTX *sha1_context = EVP_MD_CTX_create();
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EVP_DigestInit_ex(sha1_context, EVP_sha1(), NULL);
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EVP_DigestUpdate(sha1_context, buf, len);
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EVP_DigestFinal_ex(sha1_context, digest, NULL);
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EVP_MD_CTX_destroy(sha1_context);
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sha1_context = nullptr;
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#endif /* HAVE_OPENSSL */
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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 [out] digest Computed SHA1 digest
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@param [in] buf1 First message
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@param [in] len1 Length of first message
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@param [in] buf2 Second message
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@param [in] len2 Length of second message
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*/
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void compute_sha1_hash_multi(uint8 *digest, const char *buf1, int len1,
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const char *buf2, int len2) {
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#if defined(HAVE_OPENSSL)
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EVP_MD_CTX *sha1_context = EVP_MD_CTX_create();
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EVP_DigestInit_ex(sha1_context, EVP_sha1(), NULL);
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EVP_DigestUpdate(sha1_context, buf1, len1);
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EVP_DigestUpdate(sha1_context, buf2, len2);
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EVP_DigestFinal_ex(sha1_context, digest, NULL);
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EVP_MD_CTX_destroy(sha1_context);
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sha1_context = nullptr;
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#endif /* HAVE_OPENSSL */
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}
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