Kenji Arai
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TYBLE16_mbedlized_os5_several_examples_1st
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Dependencies: nRF51_Vdd TextLCD BME280
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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 * \warning MD2 is considered a weak message digest and its use constitutes a 00007 * security risk. We recommend considering stronger message digests 00008 * instead. 00009 */ 00010 /* 00011 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved 00012 * SPDX-License-Identifier: Apache-2.0 00013 * 00014 * Licensed under the Apache License, Version 2.0 (the "License"); you may 00015 * not use this file except in compliance with the License. 00016 * You may obtain a copy of the License at 00017 * 00018 * http://www.apache.org/licenses/LICENSE-2.0 00019 * 00020 * Unless required by applicable law or agreed to in writing, software 00021 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 00022 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00023 * See the License for the specific language governing permissions and 00024 * limitations under the License. 00025 * 00026 * This file is part of mbed TLS (https://tls.mbed.org) 00027 * 00028 */ 00029 #ifndef MBEDTLS_MD2_H 00030 #define MBEDTLS_MD2_H 00031 00032 #if !defined(MBEDTLS_CONFIG_FILE) 00033 #include "config.h" 00034 #else 00035 #include MBEDTLS_CONFIG_FILE 00036 #endif 00037 00038 #include <stddef.h> 00039 00040 #define MBEDTLS_ERR_MD2_HW_ACCEL_FAILED -0x002B /**< MD2 hardware accelerator failed */ 00041 00042 #ifdef __cplusplus 00043 extern "C" { 00044 #endif 00045 00046 #if !defined(MBEDTLS_MD2_ALT) 00047 // Regular implementation 00048 // 00049 00050 /** 00051 * \brief MD2 context structure 00052 * 00053 * \warning MD2 is considered a weak message digest and its use 00054 * constitutes a security risk. We recommend considering 00055 * stronger message digests instead. 00056 * 00057 */ 00058 typedef struct mbedtls_md2_context 00059 { 00060 unsigned char cksum [16]; /*!< checksum of the data block */ 00061 unsigned char state [48]; /*!< intermediate digest state */ 00062 unsigned char buffer[16]; /*!< data block being processed */ 00063 size_t left ; /*!< amount of data in buffer */ 00064 } 00065 mbedtls_md2_context; 00066 00067 #else /* MBEDTLS_MD2_ALT */ 00068 #include "md2_alt.h" 00069 #endif /* MBEDTLS_MD2_ALT */ 00070 00071 /** 00072 * \brief Initialize MD2 context 00073 * 00074 * \param ctx MD2 context to be initialized 00075 * 00076 * \warning MD2 is considered a weak message digest and its use 00077 * constitutes a security risk. We recommend considering 00078 * stronger message digests instead. 00079 * 00080 */ 00081 void mbedtls_md2_init( mbedtls_md2_context *ctx ); 00082 00083 /** 00084 * \brief Clear MD2 context 00085 * 00086 * \param ctx MD2 context to be cleared 00087 * 00088 * \warning MD2 is considered a weak message digest and its use 00089 * constitutes a security risk. We recommend considering 00090 * stronger message digests instead. 00091 * 00092 */ 00093 void mbedtls_md2_free( mbedtls_md2_context *ctx ); 00094 00095 /** 00096 * \brief Clone (the state of) an MD2 context 00097 * 00098 * \param dst The destination context 00099 * \param src The context to be cloned 00100 * 00101 * \warning MD2 is considered a weak message digest and its use 00102 * constitutes a security risk. We recommend considering 00103 * stronger message digests instead. 00104 * 00105 */ 00106 void mbedtls_md2_clone( mbedtls_md2_context *dst, 00107 const mbedtls_md2_context *src ); 00108 00109 /** 00110 * \brief MD2 context setup 00111 * 00112 * \param ctx context to be initialized 00113 * 00114 * \return 0 if successful 00115 * 00116 * \warning MD2 is considered a weak message digest and its use 00117 * constitutes a security risk. We recommend considering 00118 * stronger message digests instead. 00119 * 00120 */ 00121 int mbedtls_md2_starts_ret( mbedtls_md2_context *ctx ); 00122 00123 /** 00124 * \brief MD2 process buffer 00125 * 00126 * \param ctx MD2 context 00127 * \param input buffer holding the data 00128 * \param ilen length of the input data 00129 * 00130 * \return 0 if successful 00131 * 00132 * \warning MD2 is considered a weak message digest and its use 00133 * constitutes a security risk. We recommend considering 00134 * stronger message digests instead. 00135 * 00136 */ 00137 int mbedtls_md2_update_ret( mbedtls_md2_context *ctx, 00138 const unsigned char *input, 00139 size_t ilen ); 00140 00141 /** 00142 * \brief MD2 final digest 00143 * 00144 * \param ctx MD2 context 00145 * \param output MD2 checksum result 00146 * 00147 * \return 0 if successful 00148 * 00149 * \warning MD2 is considered a weak message digest and its use 00150 * constitutes a security risk. We recommend considering 00151 * stronger message digests instead. 00152 * 00153 */ 00154 int mbedtls_md2_finish_ret( mbedtls_md2_context *ctx, 00155 unsigned char output[16] ); 00156 00157 /** 00158 * \brief MD2 process data block (internal use only) 00159 * 00160 * \param ctx MD2 context 00161 * 00162 * \return 0 if successful 00163 * 00164 * \warning MD2 is considered a weak message digest and its use 00165 * constitutes a security risk. We recommend considering 00166 * stronger message digests instead. 00167 * 00168 */ 00169 int mbedtls_internal_md2_process( mbedtls_md2_context *ctx ); 00170 00171 #if !defined(MBEDTLS_DEPRECATED_REMOVED) 00172 #if defined(MBEDTLS_DEPRECATED_WARNING) 00173 #define MBEDTLS_DEPRECATED __attribute__((deprecated)) 00174 #else 00175 #define MBEDTLS_DEPRECATED 00176 #endif 00177 /** 00178 * \brief MD2 context setup 00179 * 00180 * \deprecated Superseded by mbedtls_md2_starts_ret() in 2.7.0 00181 * 00182 * \param ctx context to be initialized 00183 * 00184 * \warning MD2 is considered a weak message digest and its use 00185 * constitutes a security risk. We recommend considering 00186 * stronger message digests instead. 00187 * 00188 */ 00189 MBEDTLS_DEPRECATED void mbedtls_md2_starts( mbedtls_md2_context *ctx ); 00190 00191 /** 00192 * \brief MD2 process buffer 00193 * 00194 * \deprecated Superseded by mbedtls_md2_update_ret() in 2.7.0 00195 * 00196 * \param ctx MD2 context 00197 * \param input buffer holding the data 00198 * \param ilen length of the input data 00199 * 00200 * \warning MD2 is considered a weak message digest and its use 00201 * constitutes a security risk. We recommend considering 00202 * stronger message digests instead. 00203 * 00204 */ 00205 MBEDTLS_DEPRECATED void mbedtls_md2_update( mbedtls_md2_context *ctx, 00206 const unsigned char *input, 00207 size_t ilen ); 00208 00209 /** 00210 * \brief MD2 final digest 00211 * 00212 * \deprecated Superseded by mbedtls_md2_finish_ret() in 2.7.0 00213 * 00214 * \param ctx MD2 context 00215 * \param output MD2 checksum result 00216 * 00217 * \warning MD2 is considered a weak message digest and its use 00218 * constitutes a security risk. We recommend considering 00219 * stronger message digests instead. 00220 * 00221 */ 00222 MBEDTLS_DEPRECATED void mbedtls_md2_finish( mbedtls_md2_context *ctx, 00223 unsigned char output[16] ); 00224 00225 /** 00226 * \brief MD2 process data block (internal use only) 00227 * 00228 * \deprecated Superseded by mbedtls_internal_md2_process() in 2.7.0 00229 * 00230 * \param ctx MD2 context 00231 * 00232 * \warning MD2 is considered a weak message digest and its use 00233 * constitutes a security risk. We recommend considering 00234 * stronger message digests instead. 00235 * 00236 */ 00237 MBEDTLS_DEPRECATED void mbedtls_md2_process( mbedtls_md2_context *ctx ); 00238 00239 #undef MBEDTLS_DEPRECATED 00240 #endif /* !MBEDTLS_DEPRECATED_REMOVED */ 00241 00242 /** 00243 * \brief Output = MD2( input buffer ) 00244 * 00245 * \param input buffer holding the data 00246 * \param ilen length of the input data 00247 * \param output MD2 checksum result 00248 * 00249 * \warning MD2 is considered a weak message digest and its use 00250 * constitutes a security risk. We recommend considering 00251 * stronger message digests instead. 00252 * 00253 */ 00254 int mbedtls_md2_ret( const unsigned char *input, 00255 size_t ilen, 00256 unsigned char output[16] ); 00257 00258 #if !defined(MBEDTLS_DEPRECATED_REMOVED) 00259 #if defined(MBEDTLS_DEPRECATED_WARNING) 00260 #define MBEDTLS_DEPRECATED __attribute__((deprecated)) 00261 #else 00262 #define MBEDTLS_DEPRECATED 00263 #endif 00264 /** 00265 * \brief Output = MD2( input buffer ) 00266 * 00267 * \deprecated Superseded by mbedtls_md2_ret() in 2.7.0 00268 * 00269 * \param input buffer holding the data 00270 * \param ilen length of the input data 00271 * \param output MD2 checksum result 00272 * 00273 * \warning MD2 is considered a weak message digest and its use 00274 * constitutes a security risk. We recommend considering 00275 * stronger message digests instead. 00276 * 00277 */ 00278 MBEDTLS_DEPRECATED void mbedtls_md2( const unsigned char *input, 00279 size_t ilen, 00280 unsigned char output[16] ); 00281 00282 #undef MBEDTLS_DEPRECATED 00283 #endif /* !MBEDTLS_DEPRECATED_REMOVED */ 00284 00285 /** 00286 * \brief Checkup routine 00287 * 00288 * \return 0 if successful, or 1 if the test failed 00289 * 00290 * \warning MD2 is considered a weak message digest and its use 00291 * constitutes a security risk. We recommend considering 00292 * stronger message digests instead. 00293 * 00294 */ 00295 int mbedtls_md2_self_test( int verbose ); 00296 00297 #ifdef __cplusplus 00298 } 00299 #endif 00300 00301 #endif /* mbedtls_md2.h */
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