83 lines
2.3 KiB
C
83 lines
2.3 KiB
C
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/**
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* \file md5.h
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*
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* \brief MD5 message digest algorithm (hash function)
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*
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* Copyright (C) 2006-2013, Brainspark B.V.
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*
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* This file is part of PolarSSL (http://www.polarssl.org)
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* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
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*
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* 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 as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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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 for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <string.h>
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#include <stdint.h>
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#include <stdlib.h>
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/**
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* \brief MD5 context structure
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*/
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typedef struct {
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uint32_t total[2]; /*!< number of bytes processed */
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uint32_t state[4]; /*!< intermediate digest state */
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unsigned char buffer[64]; /*!< data block being processed */
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} md5_context;
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* \brief MD5 context setup
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*
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* \param ctx context to be initialized
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*/
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void md5_starts(md5_context* ctx);
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/**
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* \brief MD5 process buffer
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*
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* \param ctx MD5 context
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* \param input buffer holding the data
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* \param ilen length of the input data
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*/
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void md5_update(md5_context* ctx, const unsigned char* input, size_t ilen);
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/**
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* \brief MD5 final digest
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*
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* \param ctx MD5 context
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* \param output MD5 checksum result
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*/
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void md5_finish(md5_context* ctx, unsigned char output[16]);
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/* Internal use */
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void md5_process(md5_context* ctx, const unsigned char data[64]);
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/**
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* \brief Output = MD5( input buffer )
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*
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* \param input buffer holding the data
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* \param ilen length of the input data
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* \param output MD5 checksum result
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*/
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void md5(const unsigned char* input, size_t ilen, unsigned char output[16]);
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#ifdef __cplusplus
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}
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#endif
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