| /** |
| * \file md5.h |
| * |
| * Based on XySSL: Copyright (C) 2006-2008 Christophe Devine |
| * |
| * Copyright (C) 2009 Paul Bakker <polarssl_maintainer at polarssl dot org> |
| * |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * * Neither the names of PolarSSL or XySSL nor the names of its contributors |
| * may be used to endorse or promote products derived from this software |
| * without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED |
| * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #ifndef POLARSSL_MD5_H |
| #define POLARSSL_MD5_H |
| |
| /** |
| * \brief MD5 context structure |
| */ |
| typedef struct |
| { |
| unsigned long total[2]; /*!< number of bytes processed */ |
| unsigned long state[4]; /*!< intermediate digest state */ |
| unsigned char buffer[64]; /*!< data block being processed */ |
| |
| unsigned char ipad[64]; /*!< HMAC: inner padding */ |
| unsigned char opad[64]; /*!< HMAC: outer padding */ |
| } |
| md5_context; |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /** |
| * \brief MD5 context setup |
| * |
| * \param ctx context to be initialized |
| */ |
| void md5_starts( md5_context *ctx ); |
| |
| /** |
| * \brief MD5 process buffer |
| * |
| * \param ctx MD5 context |
| * \param input buffer holding the data |
| * \param ilen length of the input data |
| */ |
| void md5_update( md5_context *ctx, unsigned char *input, int ilen ); |
| |
| /** |
| * \brief MD5 final digest |
| * |
| * \param ctx MD5 context |
| * \param output MD5 checksum result |
| */ |
| void md5_finish( md5_context *ctx, unsigned char output[16] ); |
| |
| /** |
| * \brief Output = MD5( input buffer ) |
| * |
| * \param input buffer holding the data |
| * \param ilen length of the input data |
| * \param output MD5 checksum result |
| */ |
| void md5( unsigned char *input, int ilen, unsigned char output[16] ); |
| |
| /** |
| * \brief Output = MD5( file contents ) |
| * |
| * \param path input file name |
| * \param output MD5 checksum result |
| * |
| * \return 0 if successful, 1 if fopen failed, |
| * or 2 if fread failed |
| */ |
| int md5_file( char *path, unsigned char output[16] ); |
| |
| /** |
| * \brief MD5 HMAC context setup |
| * |
| * \param ctx HMAC context to be initialized |
| * \param key HMAC secret key |
| * \param keylen length of the HMAC key |
| */ |
| void md5_hmac_starts( md5_context *ctx, unsigned char *key, int keylen ); |
| |
| /** |
| * \brief MD5 HMAC process buffer |
| * |
| * \param ctx HMAC context |
| * \param input buffer holding the data |
| * \param ilen length of the input data |
| */ |
| void md5_hmac_update( md5_context *ctx, unsigned char *input, int ilen ); |
| |
| /** |
| * \brief MD5 HMAC final digest |
| * |
| * \param ctx HMAC context |
| * \param output MD5 HMAC checksum result |
| */ |
| void md5_hmac_finish( md5_context *ctx, unsigned char output[16] ); |
| |
| /** |
| * \brief Output = HMAC-MD5( hmac key, input buffer ) |
| * |
| * \param key HMAC secret key |
| * \param keylen length of the HMAC key |
| * \param input buffer holding the data |
| * \param ilen length of the input data |
| * \param output HMAC-MD5 result |
| */ |
| void md5_hmac( unsigned char *key, int keylen, |
| unsigned char *input, int ilen, |
| unsigned char output[16] ); |
| |
| /** |
| * \brief Checkup routine |
| * |
| * \return 0 if successful, or 1 if the test failed |
| */ |
| int md5_self_test( int verbose ); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* md5.h */ |