Marco Zecchini
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Example_RTOS
Rtos API example
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md2.h
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00001 /** 00002 * \file md2.h 00003 * 00004 * \brief MD2 message digest algorithm (hash function) 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_MD2_H 00024 #define MBEDTLS_MD2_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 00034 #if !defined(MBEDTLS_MD2_ALT) 00035 // Regular implementation 00036 // 00037 00038 #ifdef __cplusplus 00039 extern "C" { 00040 #endif 00041 00042 /** 00043 * \brief MD2 context structure 00044 */ 00045 typedef struct 00046 { 00047 unsigned char cksum[16]; /*!< checksum of the data block */ 00048 unsigned char state[48]; /*!< intermediate digest state */ 00049 unsigned char buffer[16]; /*!< data block being processed */ 00050 size_t left ; /*!< amount of data in buffer */ 00051 } 00052 mbedtls_md2_context; 00053 00054 /** 00055 * \brief Initialize MD2 context 00056 * 00057 * \param ctx MD2 context to be initialized 00058 */ 00059 void mbedtls_md2_init( mbedtls_md2_context *ctx ); 00060 00061 /** 00062 * \brief Clear MD2 context 00063 * 00064 * \param ctx MD2 context to be cleared 00065 */ 00066 void mbedtls_md2_free( mbedtls_md2_context *ctx ); 00067 00068 /** 00069 * \brief Clone (the state of) an MD2 context 00070 * 00071 * \param dst The destination context 00072 * \param src The context to be cloned 00073 */ 00074 void mbedtls_md2_clone( mbedtls_md2_context *dst, 00075 const mbedtls_md2_context *src ); 00076 00077 /** 00078 * \brief MD2 context setup 00079 * 00080 * \param ctx context to be initialized 00081 */ 00082 void mbedtls_md2_starts( mbedtls_md2_context *ctx ); 00083 00084 /** 00085 * \brief MD2 process buffer 00086 * 00087 * \param ctx MD2 context 00088 * \param input buffer holding the data 00089 * \param ilen length of the input data 00090 */ 00091 void mbedtls_md2_update( mbedtls_md2_context *ctx, const unsigned char *input, size_t ilen ); 00092 00093 /** 00094 * \brief MD2 final digest 00095 * 00096 * \param ctx MD2 context 00097 * \param output MD2 checksum result 00098 */ 00099 void mbedtls_md2_finish( mbedtls_md2_context *ctx, unsigned char output[16] ); 00100 00101 #ifdef __cplusplus 00102 } 00103 #endif 00104 00105 #else /* MBEDTLS_MD2_ALT */ 00106 #include "md2_alt.h" 00107 #endif /* MBEDTLS_MD2_ALT */ 00108 00109 #ifdef __cplusplus 00110 extern "C" { 00111 #endif 00112 00113 /** 00114 * \brief Output = MD2( input buffer ) 00115 * 00116 * \param input buffer holding the data 00117 * \param ilen length of the input data 00118 * \param output MD2 checksum result 00119 */ 00120 void mbedtls_md2( const unsigned char *input, size_t ilen, unsigned char output[16] ); 00121 00122 /** 00123 * \brief Checkup routine 00124 * 00125 * \return 0 if successful, or 1 if the test failed 00126 */ 00127 int mbedtls_md2_self_test( int verbose ); 00128 00129 /* Internal use */ 00130 void mbedtls_md2_process( mbedtls_md2_context *ctx ); 00131 00132 #ifdef __cplusplus 00133 } 00134 #endif 00135 00136 #endif /* mbedtls_md2.h */
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