ripemd160.h

00001 /**
00002  * \file ripemd160.h
00003  *
00004  * \brief RIPE MD-160 message digest
00005  *
00006  *  Copyright (C) 2014-2014, Brainspark B.V.
00007  *
00008  *  This file is part of PolarSSL (http://www.polarssl.org)
00009  *  Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
00010  *
00011  *  All rights reserved.
00012  *
00013  *  This program is free software; you can redistribute it and/or modify
00014  *  it under the terms of the GNU General Public License as published by
00015  *  the Free Software Foundation; either version 2 of the License, or
00016  *  (at your option) any later version.
00017  *
00018  *  This program is distributed in the hope that it will be useful,
00019  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00020  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00021  *  GNU General Public License for more details.
00022  *
00023  *  You should have received a copy of the GNU General Public License along
00024  *  with this program; if not, write to the Free Software Foundation, Inc.,
00025  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
00026  */
00027 #ifndef POLARSSL_RIPEMD160_H
00028 #define POLARSSL_RIPEMD160_H
00029 
00030 #if !defined(POLARSSL_CONFIG_FILE)
00031 #include "config.h"
00032 #else
00033 #include POLARSSL_CONFIG_FILE
00034 #endif
00035 
00036 #include <string.h>
00037 
00038 #if defined(_MSC_VER) && !defined(EFIX64) && !defined(EFI32)
00039 #include <basetsd.h>
00040 typedef UINT32 uint32_t;
00041 #else
00042 #include <inttypes.h>
00043 #endif
00044 
00045 #define POLARSSL_ERR_RIPEMD160_FILE_IO_ERROR              -0x007E  /**< Read/write error in file. */
00046 
00047 #if !defined(POLARSSL_RIPEMD160_ALT)
00048 // Regular implementation
00049 //
00050 
00051 #ifdef __cplusplus
00052 extern "C" {
00053 #endif
00054 
00055 /**
00056  * \brief          RIPEMD-160 context structure
00057  */
00058 typedef struct
00059 {
00060     uint32_t total[2];          /*!< number of bytes processed  */
00061     uint32_t state[5];          /*!< intermediate digest state  */
00062     unsigned char buffer[64];   /*!< data block being processed */
00063 
00064     unsigned char ipad[64];     /*!< HMAC: inner padding        */
00065     unsigned char opad[64];     /*!< HMAC: outer padding        */
00066 }
00067 ripemd160_context;
00068 
00069 /**
00070  * \brief          RIPEMD-160 context setup
00071  *
00072  * \param ctx      context to be initialized
00073  */
00074 void ripemd160_starts( ripemd160_context *ctx );
00075 
00076 /**
00077  * \brief          RIPEMD-160 process buffer
00078  *
00079  * \param ctx      RIPEMD-160 context
00080  * \param input    buffer holding the  data
00081  * \param ilen     length of the input data
00082  */
00083 void ripemd160_update( ripemd160_context *ctx,
00084                        const unsigned char *input, size_t ilen );
00085 
00086 /**
00087  * \brief          RIPEMD-160 final digest
00088  *
00089  * \param ctx      RIPEMD-160 context
00090  * \param output   RIPEMD-160 checksum result
00091  */
00092 void ripemd160_finish( ripemd160_context *ctx, unsigned char output[20] );
00093 
00094 /* Internal use */
00095 void ripemd160_process( ripemd160_context *ctx, const unsigned char data[64] );
00096 
00097 #ifdef __cplusplus
00098 }
00099 #endif
00100 
00101 #else  /* POLARSSL_RIPEMD160_ALT */
00102 #include "ripemd160.h"
00103 #endif /* POLARSSL_RIPEMD160_ALT */
00104 
00105 #ifdef __cplusplus
00106 extern "C" {
00107 #endif
00108 
00109 /**
00110  * \brief          Output = RIPEMD-160( input buffer )
00111  *
00112  * \param input    buffer holding the  data
00113  * \param ilen     length of the input data
00114  * \param output   RIPEMD-160 checksum result
00115  */
00116 void ripemd160( const unsigned char *input, size_t ilen,
00117                 unsigned char output[20] );
00118 
00119 #if defined(POLARSSL_FS_IO)
00120 /**
00121  * \brief          Output = RIPEMD-160( file contents )
00122  *
00123  * \param path     input file name
00124  * \param output   RIPEMD-160 checksum result
00125  *
00126  * \return         0 if successful, or POLARSSL_ERR_RIPEMD160_FILE_IO_ERROR
00127  */
00128 int ripemd160_file( const char *path, unsigned char output[20] );
00129 #endif /* POLARSSL_FS_IO */
00130 
00131 /**
00132  * \brief          RIPEMD-160 HMAC context setup
00133  *
00134  * \param ctx      HMAC context to be initialized
00135  * \param key      HMAC secret key
00136  * \param keylen   length of the HMAC key
00137  */
00138 void ripemd160_hmac_starts( ripemd160_context *ctx,
00139                             const unsigned char *key, size_t keylen );
00140 
00141 /**
00142  * \brief          RIPEMD-160 HMAC process buffer
00143  *
00144  * \param ctx      HMAC context
00145  * \param input    buffer holding the  data
00146  * \param ilen     length of the input data
00147  */
00148 void ripemd160_hmac_update( ripemd160_context *ctx,
00149                             const unsigned char *input, size_t ilen );
00150 
00151 /**
00152  * \brief          RIPEMD-160 HMAC final digest
00153  *
00154  * \param ctx      HMAC context
00155  * \param output   RIPEMD-160 HMAC checksum result
00156  */
00157 void ripemd160_hmac_finish( ripemd160_context *ctx, unsigned char output[20] );
00158 
00159 /**
00160  * \brief          RIPEMD-160 HMAC context reset
00161  *
00162  * \param ctx      HMAC context to be reset
00163  */
00164 void ripemd160_hmac_reset( ripemd160_context *ctx );
00165 
00166 /**
00167  * \brief          Output = HMAC-RIPEMD-160( hmac key, input buffer )
00168  *
00169  * \param key      HMAC secret key
00170  * \param keylen   length of the HMAC key
00171  * \param input    buffer holding the  data
00172  * \param ilen     length of the input data
00173  * \param output   HMAC-RIPEMD-160 result
00174  */
00175 void ripemd160_hmac( const unsigned char *key, size_t keylen,
00176                      const unsigned char *input, size_t ilen,
00177                      unsigned char output[20] );
00178 
00179 /**
00180  * \brief          Checkup routine
00181  *
00182  * \return         0 if successful, or 1 if the test failed
00183  */
00184 int ripemd160_self_test( int verbose );
00185 
00186 #ifdef __cplusplus
00187 }
00188 #endif
00189 
00190 #endif /* ripemd160.h */
00191 
00192