1 /** 2 * \file ripemd160.h 3 * 4 * \brief RIPE MD-160 message digest 5 * 6 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved 7 * SPDX-License-Identifier: Apache-2.0 8 * 9 * Licensed under the Apache License, Version 2.0 (the "License"); you may 10 * not use this file except in compliance with the License. 11 * You may obtain a copy of the License at 12 * 13 * http://www.apache.org/licenses/LICENSE-2.0 14 * 15 * Unless required by applicable law or agreed to in writing, software 16 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 17 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 18 * See the License for the specific language governing permissions and 19 * limitations under the License. 20 * 21 * This file is part of mbed TLS (https://tls.mbed.org) 22 */ 23 #ifndef MBEDTLS_RIPEMD160_H 24 #define MBEDTLS_RIPEMD160_H 25 26 #if !defined(MBEDTLS_CONFIG_FILE) 27 #include "config.h" 28 #else 29 #include MBEDTLS_CONFIG_FILE 30 #endif 31 32 #include <stddef.h> 33 #include <stdint.h> 34 35 #if !defined(MBEDTLS_RIPEMD160_ALT) 36 // Regular implementation 37 // 38 39 #ifdef __cplusplus 40 extern "C" { 41 #endif 42 43 /** 44 * \brief RIPEMD-160 context structure 45 */ 46 typedef struct 47 { 48 uint32_t total[2]; /*!< number of bytes processed */ 49 uint32_t state[5]; /*!< intermediate digest state */ 50 unsigned char buffer[64]; /*!< data block being processed */ 51 } 52 mbedtls_ripemd160_context; 53 54 /** 55 * \brief Initialize RIPEMD-160 context 56 * 57 * \param ctx RIPEMD-160 context to be initialized 58 */ 59 void mbedtls_ripemd160_init( mbedtls_ripemd160_context *ctx ); 60 61 /** 62 * \brief Clear RIPEMD-160 context 63 * 64 * \param ctx RIPEMD-160 context to be cleared 65 */ 66 void mbedtls_ripemd160_free( mbedtls_ripemd160_context *ctx ); 67 68 /** 69 * \brief Clone (the state of) an RIPEMD-160 context 70 * 71 * \param dst The destination context 72 * \param src The context to be cloned 73 */ 74 void mbedtls_ripemd160_clone( mbedtls_ripemd160_context *dst, 75 const mbedtls_ripemd160_context *src ); 76 77 /** 78 * \brief RIPEMD-160 context setup 79 * 80 * \param ctx context to be initialized 81 */ 82 void mbedtls_ripemd160_starts( mbedtls_ripemd160_context *ctx ); 83 84 /** 85 * \brief RIPEMD-160 process buffer 86 * 87 * \param ctx RIPEMD-160 context 88 * \param input buffer holding the data 89 * \param ilen length of the input data 90 */ 91 void mbedtls_ripemd160_update( mbedtls_ripemd160_context *ctx, 92 const unsigned char *input, size_t ilen ); 93 94 /** 95 * \brief RIPEMD-160 final digest 96 * 97 * \param ctx RIPEMD-160 context 98 * \param output RIPEMD-160 checksum result 99 */ 100 void mbedtls_ripemd160_finish( mbedtls_ripemd160_context *ctx, unsigned char output[20] ); 101 102 /* Internal use */ 103 void mbedtls_ripemd160_process( mbedtls_ripemd160_context *ctx, const unsigned char data[64] ); 104 105 #ifdef __cplusplus 106 } 107 #endif 108 109 #else /* MBEDTLS_RIPEMD160_ALT */ 110 #include "ripemd160.h" 111 #endif /* MBEDTLS_RIPEMD160_ALT */ 112 113 #ifdef __cplusplus 114 extern "C" { 115 #endif 116 117 /** 118 * \brief Output = RIPEMD-160( input buffer ) 119 * 120 * \param input buffer holding the data 121 * \param ilen length of the input data 122 * \param output RIPEMD-160 checksum result 123 */ 124 void mbedtls_ripemd160( const unsigned char *input, size_t ilen, 125 unsigned char output[20] ); 126 127 /** 128 * \brief Checkup routine 129 * 130 * \return 0 if successful, or 1 if the test failed 131 */ 132 int mbedtls_ripemd160_self_test( int verbose ); 133 134 #ifdef __cplusplus 135 } 136 #endif 137 138 #endif /* mbedtls_ripemd160.h */ 139
