ripemd160.h

00001 /**
00002  * \file ripemd160.h
00003  *
00004  * \brief RIPE MD-160 message digest
00005  *
00006  *  Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
00007  *  SPDX-License-Identifier: Apache-2.0
00008  *
00009  *  Licensed under the Apache License, Version 2.0 (the "License"); you may
00010  *  not use this file except in compliance with the License.
00011  *  You may obtain a copy of the License at
00012  *
00013  *  http://www.apache.org/licenses/LICENSE-2.0
00014  *
00015  *  Unless required by applicable law or agreed to in writing, software
00016  *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
00017  *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00018  *  See the License for the specific language governing permissions and
00019  *  limitations under the License.
00020  *
00021  *  This file is part of mbed TLS (https://tls.mbed.org)
00022  */
00023 #ifndef MBEDTLS_RIPEMD160_H
00024 #define MBEDTLS_RIPEMD160_H
00025 
00026 #if !defined(MBEDTLS_CONFIG_FILE)
00027 #include "config.h"
00028 #else
00029 #include MBEDTLS_CONFIG_FILE
00030 #endif
00031 
00032 #include <stddef.h>
00033 #include <stdint.h>
00034 
00035 #if !defined(MBEDTLS_RIPEMD160_ALT)
00036 // Regular implementation
00037 //
00038 
00039 #ifdef __cplusplus
00040 extern "C" {
00041 #endif
00042 
00043 /**
00044  * \brief          RIPEMD-160 context structure
00045  */
00046 typedef struct
00047 {
00048     uint32_t total[2];          /*!< number of bytes processed  */
00049     uint32_t state[5];          /*!< intermediate digest state  */
00050     unsigned char buffer[64];   /*!< data block being processed */
00051 }
00052 mbedtls_ripemd160_context;
00053 
00054 /**
00055  * \brief          Initialize RIPEMD-160 context
00056  *
00057  * \param ctx      RIPEMD-160 context to be initialized
00058  */
00059 void mbedtls_ripemd160_init( mbedtls_ripemd160_context *ctx );
00060 
00061 /**
00062  * \brief          Clear RIPEMD-160 context
00063  *
00064  * \param ctx      RIPEMD-160 context to be cleared
00065  */
00066 void mbedtls_ripemd160_free( mbedtls_ripemd160_context *ctx );
00067 
00068 /**
00069  * \brief          Clone (the state of) an RIPEMD-160 context
00070  *
00071  * \param dst      The destination context
00072  * \param src      The context to be cloned
00073  */
00074 void mbedtls_ripemd160_clone( mbedtls_ripemd160_context *dst,
00075                         const mbedtls_ripemd160_context *src );
00076 
00077 /**
00078  * \brief          RIPEMD-160 context setup
00079  *
00080  * \param ctx      context to be initialized
00081  */
00082 void mbedtls_ripemd160_starts( mbedtls_ripemd160_context *ctx );
00083 
00084 /**
00085  * \brief          RIPEMD-160 process buffer
00086  *
00087  * \param ctx      RIPEMD-160 context
00088  * \param input    buffer holding the  data
00089  * \param ilen     length of the input data
00090  */
00091 void mbedtls_ripemd160_update( mbedtls_ripemd160_context *ctx,
00092                        const unsigned char *input, size_t ilen );
00093 
00094 /**
00095  * \brief          RIPEMD-160 final digest
00096  *
00097  * \param ctx      RIPEMD-160 context
00098  * \param output   RIPEMD-160 checksum result
00099  */
00100 void mbedtls_ripemd160_finish( mbedtls_ripemd160_context *ctx, unsigned char output[20] );
00101 
00102 /* Internal use */
00103 void mbedtls_ripemd160_process( mbedtls_ripemd160_context *ctx, const unsigned char data[64] );
00104 
00105 #ifdef __cplusplus
00106 }
00107 #endif
00108 
00109 #else  /* MBEDTLS_RIPEMD160_ALT */
00110 #include "ripemd160.h"
00111 #endif /* MBEDTLS_RIPEMD160_ALT */
00112 
00113 #ifdef __cplusplus
00114 extern "C" {
00115 #endif
00116 
00117 /**
00118  * \brief          Output = RIPEMD-160( input buffer )
00119  *
00120  * \param input    buffer holding the  data
00121  * \param ilen     length of the input data
00122  * \param output   RIPEMD-160 checksum result
00123  */
00124 void mbedtls_ripemd160( const unsigned char *input, size_t ilen,
00125                 unsigned char output[20] );
00126 
00127 /**
00128  * \brief          Checkup routine
00129  *
00130  * \return         0 if successful, or 1 if the test failed
00131  */
00132 int mbedtls_ripemd160_self_test( int verbose );
00133 
00134 #ifdef __cplusplus
00135 }
00136 #endif
00137 
00138 #endif /* mbedtls_ripemd160.h */