1 /* sys-crypto-md.h - message digest (MD) wrapper 2 * 3 * message digest (MD) algorithms are not necessarily cryptographically secure 4 * (often provided by crypto libraries, hence this file named sys-crypto-md.h) 5 * 6 * Copyright(c) 2020 Glenn Strauss gstrauss()gluelogic.com All rights reserved 7 * License: BSD 3-clause (same as lighttpd) 8 */ 9 #ifndef LI_SYS_CRYPTO_MD_H 10 #define LI_SYS_CRYPTO_MD_H 11 #include "first.h" 12 13 #include "sys-crypto.h" /* USE_LIB_CRYPTO */ 14 #ifdef USE_LIB_CRYPTO 15 16 #if defined(USE_NETTLE_CRYPTO) 17 18 #include <nettle/md4.h> 19 #include <nettle/md5.h> 20 #include <nettle/sha.h> 21 22 #define USE_LIB_CRYPTO_MD4 23 typedef struct md4_ctx MD4_CTX; 24 #define MD4_Init(ctx) \ 25 nettle_md4_init(ctx) 26 #define MD4_Final(digest, ctx) \ 27 nettle_md4_digest((ctx),MD4_DIGEST_SIZE,(digest)) 28 static inline void 29 MD4_Update(MD4_CTX *ctx, const void *data, size_t length) 30 { 31 nettle_md4_update(ctx, length, data); 32 } 33 34 #define USE_LIB_CRYPTO_MD5 35 typedef struct md5_ctx MD5_CTX; 36 #define MD5_Init(ctx) \ 37 nettle_md5_init(ctx) 38 #define MD5_Final(digest, ctx) \ 39 nettle_md5_digest((ctx),MD5_DIGEST_SIZE,(digest)) 40 static inline void 41 MD5_Update(MD5_CTX *ctx, const void *data, size_t length) 42 { 43 nettle_md5_update(ctx, length, data); 44 } 45 46 #define USE_LIB_CRYPTO_SHA1 47 typedef struct sha1_ctx SHA_CTX; 48 #define SHA1_Init(ctx) \ 49 nettle_sha1_init(ctx) 50 #define SHA1_Final(digest, ctx) \ 51 nettle_sha1_digest((ctx),SHA1_DIGEST_SIZE,(digest)) 52 static inline void 53 SHA1_Update(SHA_CTX *ctx, const void *data, size_t length) 54 { 55 nettle_sha1_update(ctx, length, data); 56 } 57 58 #define USE_LIB_CRYPTO_SHA256 59 typedef struct sha256_ctx SHA256_CTX; 60 #define SHA256_Init(ctx) \ 61 nettle_sha256_init(ctx) 62 #define SHA256_Final(digest, ctx) \ 63 nettle_sha256_digest((ctx),SHA256_DIGEST_SIZE,(digest)) 64 static inline void 65 SHA256_Update(SHA256_CTX *ctx, const void *data, size_t length) 66 { 67 nettle_sha256_update(ctx, length, data); 68 } 69 70 #define USE_LIB_CRYPTO_SHA512_256 71 #ifndef SHA512_256_DIGEST_LENGTH 72 #define SHA512_256_DIGEST_LENGTH 32 73 #endif 74 typedef struct sha512_256_ctx SHA512_CTX; /*(yes, SHA512_CTX)*/ 75 #define SHA512_256_Init(ctx) \ 76 nettle_sha512_256_init(ctx) 77 #define SHA512_256_Final(digest, ctx) \ 78 nettle_sha512_256_digest((ctx),SHA256_DIGEST_SIZE,(digest)) 79 static inline void 80 SHA512_256_Update(SHA512_CTX *ctx, const void *data, size_t length) 81 { 82 nettle_sha512_update(ctx, length, data); /*(yes, nettle_sha512_update())*/ 83 } 84 85 #elif defined(USE_MBEDTLS_CRYPTO) 86 87 #ifdef MBEDTLS_MD4_C 88 #define USE_LIB_CRYPTO_MD4 89 #include <mbedtls/md4.h> 90 typedef struct mbedtls_md4_context MD4_CTX; 91 #define MD4_Init(ctx) \ 92 (mbedtls_md4_init(ctx), mbedtls_md4_starts_ret(ctx)) 93 #define MD4_Final(digest, ctx) \ 94 (mbedtls_md4_finish_ret((ctx),(digest)), mbedtls_md4_free(ctx)) 95 static inline void 96 MD4_Update(MD4_CTX *ctx, const void *data, size_t length) 97 { 98 mbedtls_md4_update_ret(ctx, data, length); 99 } 100 #endif 101 102 #ifdef MBEDTLS_MD5_C 103 #define USE_LIB_CRYPTO_MD5 104 #include <mbedtls/md5.h> 105 typedef struct mbedtls_md5_context MD5_CTX; 106 #define MD5_Init(ctx) \ 107 (mbedtls_md5_init(ctx), mbedtls_md5_starts_ret(ctx)) 108 #define MD5_Final(digest, ctx) \ 109 (mbedtls_md5_finish_ret((ctx),(digest)), mbedtls_md5_free(ctx)) 110 static inline void 111 MD5_Update(MD5_CTX *ctx, const void *data, size_t length) 112 { 113 mbedtls_md5_update_ret(ctx, data, length); 114 } 115 #endif 116 117 #ifdef MBEDTLS_SHA1_C 118 #define USE_LIB_CRYPTO_SHA1 119 #include <mbedtls/sha1.h> 120 typedef struct mbedtls_sha1_context SHA_CTX; 121 #define SHA1_Init(ctx) \ 122 (mbedtls_sha1_init(ctx), mbedtls_sha1_starts_ret(ctx)) 123 #define SHA1_Final(digest, ctx) \ 124 (mbedtls_sha1_finish_ret((ctx),(digest)), mbedtls_sha1_free(ctx)) 125 static inline void 126 SHA1_Update(SHA_CTX *ctx, const void *data, size_t length) 127 { 128 mbedtls_sha1_update_ret(ctx, data, length); 129 } 130 #endif 131 132 #ifdef MBEDTLS_SHA256_C 133 #define USE_LIB_CRYPTO_SHA256 134 #include <mbedtls/sha256.h> 135 typedef struct mbedtls_sha256_context SHA256_CTX; 136 #define SHA256_Init(ctx) \ 137 (mbedtls_sha256_init(ctx), mbedtls_sha256_starts_ret((ctx),0)) 138 #define SHA256_Final(digest, ctx) \ 139 (mbedtls_sha256_finish_ret((ctx),(digest)), mbedtls_sha256_free(ctx)) 140 static inline void 141 SHA256_Update(SHA256_CTX *ctx, const void *data, size_t length) 142 { 143 mbedtls_sha256_update_ret(ctx, data, length); 144 } 145 #endif 146 147 #elif defined(USE_WOLFSSL_CRYPTO) 148 149 /* WolfSSL compatibility API for OpenSSL unnecessarily bounces through an extra 150 * layer of indirection. However, to avoid conflicting typedefs when includers 151 * also include headers from the WolfSSL compatibility API for OpenSSL, we 152 * include those headers here, as well, and use the compatibility API typedefs. 153 * (undef of OPENSSL_EXTRA and NO_OLD_WC_NAMES not sufficient, and not friendly 154 * to do in a header when others might rely on them) */ 155 156 #ifndef NO_MD4 157 #include <wolfssl/wolfcrypt/md4.h> 158 #include <wolfssl/openssl/md4.h> 159 #undef MD4_Init 160 #undef MD4_Final 161 #undef MD4_Update 162 #define USE_LIB_CRYPTO_MD4 163 /*typedef Md4 MD4_CTX;*/ 164 static inline int 165 MD4_Init(MD4_CTX *ctx) 166 { 167 return (0 == wc_InitMd4((Md4 *)ctx)); 168 } 169 static inline int 170 MD4_Final(unsigned char *digest, MD4_CTX *ctx) 171 { 172 return (0 == wc_Md4Final((Md4 *)ctx, digest)); 173 } 174 static inline void 175 MD4_Update(MD4_CTX *ctx, const void *data, size_t length) 176 { 177 wc_Md4Update((Md4 *)ctx, data, length); 178 } 179 #endif 180 181 #ifndef NO_MD5 182 #include <wolfssl/wolfcrypt/md5.h> 183 #include <wolfssl/openssl/md5.h> 184 #undef MD5_Init 185 #undef MD5_Final 186 #undef MD5_Update 187 #define USE_LIB_CRYPTO_MD5 188 /*typedef wc_Md5 MD5_CTX;*/ 189 static inline int 190 MD5_Init(MD5_CTX *ctx) 191 { 192 return (0 == wc_InitMd5((wc_Md5 *)ctx)); 193 } 194 static inline int 195 MD5_Final(unsigned char *digest, MD5_CTX *ctx) 196 { 197 return (0 == wc_Md5Final((wc_Md5 *)ctx, digest)); 198 } 199 static inline void 200 MD5_Update(MD5_CTX *ctx, const void *data, size_t length) 201 { 202 wc_Md5Update((wc_Md5 *)ctx, data, length); 203 } 204 #endif 205 206 #ifndef NO_SHA 207 #include <wolfssl/wolfcrypt/sha.h> 208 #include <wolfssl/openssl/sha.h> 209 #undef SHA1_Init 210 #undef SHA1_Final 211 #undef SHA1_Update 212 #define USE_LIB_CRYPTO_SHA1 213 /*typedef wc_Sha SHA_CTX;*/ 214 static inline int 215 SHA1_Init(SHA_CTX *ctx) 216 { 217 return (0 == wc_InitSha((wc_Sha *)ctx)); 218 } 219 static inline int 220 SHA1_Final(unsigned char *digest, SHA_CTX *ctx) 221 { 222 return (0 == wc_ShaFinal((wc_Sha *)ctx, digest)); 223 } 224 static inline void 225 SHA1_Update(SHA_CTX *ctx, const void *data, size_t length) 226 { 227 wc_ShaUpdate((wc_Sha *)ctx, data, length); 228 } 229 #endif 230 231 #ifndef NO_SHA256 232 #include <wolfssl/wolfcrypt/sha256.h> 233 #include <wolfssl/openssl/sha.h> 234 #undef SHA256_Init 235 #undef SHA256_Final 236 #undef SHA256_Update 237 #define USE_LIB_CRYPTO_SHA256 238 /*typedef wc_Sha256 SHA256_CTX;*/ 239 static inline int 240 SHA256_Init(SHA256_CTX *ctx) 241 { 242 return (0 == wc_InitSha256((wc_Sha256 *)ctx)); 243 } 244 static inline int 245 SHA256_Final(unsigned char *digest, SHA256_CTX *ctx) 246 { 247 return (0 == wc_Sha256Final((wc_Sha256 *)ctx, digest)); 248 } 249 static inline void 250 SHA256_Update(SHA256_CTX *ctx, const void *data, size_t length) 251 { 252 wc_Sha256Update((wc_Sha256 *)ctx, data, length); 253 } 254 #endif 255 256 #elif defined(USE_OPENSSL_CRYPTO) 257 258 #include <openssl/md4.h> 259 #include <openssl/md5.h> 260 #include <openssl/sha.h> 261 #ifndef OPENSSL_NO_MD4 262 #ifndef NO_MD4 /*(e.g. wolfSSL built without MD4)*/ 263 #define USE_LIB_CRYPTO_MD4 264 #endif 265 #endif 266 #ifndef OPENSSL_NO_MD5 267 #define USE_LIB_CRYPTO_MD5 268 #endif 269 #define USE_LIB_CRYPTO_SHA1 270 #define USE_LIB_CRYPTO_SHA256 271 #ifdef SHA512_256_DIGEST_LENGTH 272 #define USE_LIB_CRYPTO_SHA512_256 273 #endif 274 275 #elif defined(USE_GNUTLS_CRYPTO) 276 277 #include <gnutls/crypto.h> 278 279 #define USE_LIB_CRYPTO_MD5 280 typedef gnutls_hash_hd_t MD5_CTX; 281 #define MD5_Init(ctx) \ 282 do { \ 283 if (gnutls_hash_init((ctx), GNUTLS_DIG_MD5) < 0) \ 284 SEGFAULT(); \ 285 } while (0) 286 #define MD5_Final(digest, ctx) \ 287 gnutls_hash_deinit(*(ctx),(digest)) 288 static inline void 289 MD5_Update(MD5_CTX *ctx, const void *data, size_t length) 290 { 291 gnutls_hash(*ctx, data, length); 292 } 293 294 #define USE_LIB_CRYPTO_SHA1 295 typedef gnutls_hash_hd_t SHA_CTX; 296 #define SHA1_Init(ctx) \ 297 do { \ 298 if (gnutls_hash_init((ctx), GNUTLS_DIG_SHA1) < 0) \ 299 SEGFAULT(); \ 300 } while (0) 301 #define SHA1_Final(digest, ctx) \ 302 gnutls_hash_deinit(*(ctx),(digest)) 303 static inline void 304 SHA1_Update(SHA_CTX *ctx, const void *data, size_t length) 305 { 306 gnutls_hash(*ctx, data, length); 307 } 308 309 #define USE_LIB_CRYPTO_SHA256 310 typedef gnutls_hash_hd_t SHA256_CTX; 311 #define SHA256_Init(ctx) \ 312 do { \ 313 if (gnutls_hash_init((ctx), GNUTLS_DIG_SHA256) < 0) \ 314 SEGFAULT(); \ 315 } while (0) 316 #define SHA256_Final(digest, ctx) \ 317 gnutls_hash_deinit(*(ctx),(digest)) 318 static inline void 319 SHA256_Update(SHA256_CTX *ctx, const void *data, size_t length) 320 { 321 gnutls_hash(*ctx, data, length); 322 } 323 324 #endif 325 326 #endif /* USE_LIB_CRYPTO */ 327 328 329 #ifdef USE_LIB_CRYPTO_MD5 330 #ifndef MD5_DIGEST_LENGTH 331 #define MD5_DIGEST_LENGTH 16 332 #endif 333 #include "algo_md5.h" /*(for legacy li_MD5_*() name mangling)*/ 334 #else 335 #include "algo_md5.h" 336 #endif 337 338 339 #ifdef USE_LIB_CRYPTO_SHA1 340 #ifndef SHA_DIGEST_LENGTH 341 #define SHA_DIGEST_LENGTH 20 342 #endif 343 #else 344 #include "algo_sha1.h" 345 #endif 346 347 348 #endif /* LI_SYS_CRYPTO_MD_H */ 349