1 /* $NetBSD: evp.h,v 1.4 2023/06/19 21:41:43 christos Exp $ */ 2 3 /* 4 * Copyright (c) 2005 - 2016 Kungliga Tekniska Högskolan 5 * (Royal Institute of Technology, Stockholm, Sweden). 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * 3. Neither the name of the Institute nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 /* Id */ 37 38 #ifndef HEIM_EVP_H 39 #define HEIM_EVP_H 1 40 41 #include <hcrypto/engine.h> 42 43 /* symbol renaming */ 44 #define EVP_CIPHER_CTX_block_size hc_EVP_CIPHER_CTX_block_size 45 #define EVP_CIPHER_CTX_cipher hc_EVP_CIPHER_CTX_cipher 46 #define EVP_CIPHER_CTX_cleanup hc_EVP_CIPHER_CTX_cleanup 47 #define EVP_CIPHER_CTX_flags hc_EVP_CIPHER_CTX_flags 48 #define EVP_CIPHER_CTX_get_app_data hc_EVP_CIPHER_CTX_get_app_data 49 #define EVP_CIPHER_CTX_init hc_EVP_CIPHER_CTX_init 50 #define EVP_CIPHER_CTX_iv_length hc_EVP_CIPHER_CTX_iv_length 51 #define EVP_CIPHER_CTX_key_length hc_EVP_CIPHER_CTX_key_length 52 #define EVP_CIPHER_CTX_mode hc_EVP_CIPHER_CTX_mode 53 #define EVP_CIPHER_CTX_set_app_data hc_EVP_CIPHER_CTX_set_app_data 54 #define EVP_CIPHER_CTX_set_key_length hc_EVP_CIPHER_CTX_set_key_length 55 #define EVP_CIPHER_CTX_set_padding hc_EVP_CIPHER_CTX_set_padding 56 #define EVP_CIPHER_block_size hc_EVP_CIPHER_block_size 57 #define EVP_CIPHER_iv_length hc_EVP_CIPHER_iv_length 58 #define EVP_CIPHER_key_length hc_EVP_CIPHER_key_length 59 #define EVP_Cipher hc_EVP_Cipher 60 #define EVP_CipherInit_ex hc_EVP_CipherInit_ex 61 #define EVP_CipherUpdate hc_EVP_CipherUpdate 62 #define EVP_CipherFinal_ex hc_EVP_CipherFinal_ex 63 #define EVP_Digest hc_EVP_Digest 64 #define EVP_DigestFinal_ex hc_EVP_DigestFinal_ex 65 #define EVP_DigestInit_ex hc_EVP_DigestInit_ex 66 #define EVP_DigestUpdate hc_EVP_DigestUpdate 67 #define EVP_MD_CTX_block_size hc_EVP_MD_CTX_block_size 68 #define EVP_MD_CTX_cleanup hc_EVP_MD_CTX_cleanup 69 #define EVP_MD_CTX_create hc_EVP_MD_CTX_create 70 #define EVP_MD_CTX_init hc_EVP_MD_CTX_init 71 #define EVP_MD_CTX_destroy hc_EVP_MD_CTX_destroy 72 #define EVP_MD_CTX_md hc_EVP_MD_CTX_md 73 #define EVP_MD_CTX_size hc_EVP_MD_CTX_size 74 #define EVP_MD_block_size hc_EVP_MD_block_size 75 #define EVP_MD_size hc_EVP_MD_size 76 #define EVP_aes_128_cbc hc_EVP_aes_128_cbc 77 #define EVP_aes_192_cbc hc_EVP_aes_192_cbc 78 #define EVP_aes_256_cbc hc_EVP_aes_256_cbc 79 #define EVP_aes_128_cfb8 hc_EVP_aes_128_cfb8 80 #define EVP_aes_192_cfb8 hc_EVP_aes_192_cfb8 81 #define EVP_aes_256_cfb8 hc_EVP_aes_256_cfb8 82 83 #define EVP_des_cbc hc_EVP_des_cbc 84 #define EVP_des_ede3_cbc hc_EVP_des_ede3_cbc 85 #define EVP_enc_null hc_EVP_enc_null 86 #define EVP_md4 hc_EVP_md4 87 #define EVP_md5 hc_EVP_md5 88 #define EVP_md_null hc_EVP_md_null 89 #define EVP_rc2_40_cbc hc_EVP_rc2_40_cbc 90 #define EVP_rc2_64_cbc hc_EVP_rc2_64_cbc 91 #define EVP_rc2_cbc hc_EVP_rc2_cbc 92 #define EVP_rc4 hc_EVP_rc4 93 #define EVP_rc4_40 hc_EVP_rc4_40 94 #define EVP_camellia_128_cbc hc_EVP_camellia_128_cbc 95 #define EVP_camellia_192_cbc hc_EVP_camellia_192_cbc 96 #define EVP_camellia_256_cbc hc_EVP_camellia_256_cbc 97 #define EVP_sha hc_EVP_sha 98 #define EVP_sha1 hc_EVP_sha1 99 #define EVP_sha256 hc_EVP_sha256 100 #define EVP_sha384 hc_EVP_sha384 101 #define EVP_sha512 hc_EVP_sha512 102 #define PKCS5_PBKDF2_HMAC hc_PKCS5_PBKDF2_HMAC 103 #define PKCS5_PBKDF2_HMAC_SHA1 hc_PKCS5_PBKDF2_HMAC_SHA1 104 #define EVP_BytesToKey hc_EVP_BytesToKey 105 #define EVP_get_cipherbyname hc_EVP_get_cipherbyname 106 #define OpenSSL_add_all_algorithms hc_OpenSSL_add_all_algorithms 107 #define OpenSSL_add_all_algorithms_conf hc_OpenSSL_add_all_algorithms_conf 108 #define OpenSSL_add_all_algorithms_noconf hc_OpenSSL_add_all_algorithms_noconf 109 #define EVP_CIPHER_CTX_ctrl hc_EVP_CIPHER_CTX_ctrl 110 #define EVP_CIPHER_CTX_rand_key hc_EVP_CIPHER_CTX_rand_key 111 #define hcrypto_validate hc_hcrypto_validate 112 113 /* Type name renaming */ 114 #define EVP_MD_CTX hc_EVP_MD_CTX 115 #define EVP_PKEY hc_EVP_PKEY 116 #define EVP_MD hc_EVP_MD 117 #define EVP_CIPHER hc_EVP_CIPHER 118 #define EVP_CIPHER_CTX hc_EVP_CIPHER_CTX 119 120 /* Constant renaming */ 121 #define EVP_CIPH_STREAM_CIPHER hc_EVP_CIPH_STREAM_CIPHER 122 #define EVP_CIPH_CBC_MODE hc_EVP_CIPH_CBC_MODE 123 #define EVP_CIPH_CFB8_MODE hc_EVP_CIPH_CFB8_MODE 124 #define EVP_CIPH_MODE hc_EVP_CIPH_MODE 125 #define EVP_CIPH_CTRL_INIT hc_EVP_CIPH_CTRL_INIT 126 127 #define EVP_CIPH_VARIABLE_LENGTH hc_EVP_CIPH_VARIABLE_LENGTH 128 #define EVP_CIPH_ALWAYS_CALL_INIT hc_EVP_CIPH_ALWAYS_CALL_INIT 129 #define EVP_CIPH_RAND_KEY hc_EVP_CIPH_RAND_KEY 130 131 #define EVP_CTRL_INIT hc_EVP_CTRL_INIT 132 133 134 /* 135 * 136 */ 137 138 typedef struct hc_EVP_MD_CTX EVP_MD_CTX; 139 typedef struct hc_evp_pkey EVP_PKEY; 140 typedef struct hc_evp_md EVP_MD; 141 typedef struct hc_CIPHER EVP_CIPHER; 142 typedef struct hc_CIPHER_CTX EVP_CIPHER_CTX; 143 144 #define EVP_MAX_IV_LENGTH 16 145 #define EVP_MAX_BLOCK_LENGTH 32 146 147 #define EVP_MAX_MD_SIZE 64 148 149 struct hc_CIPHER { 150 int nid; 151 int block_size; 152 int key_len; 153 int iv_len; 154 unsigned long flags; 155 /* The lowest 3 bits is used as integer field for the mode the 156 * cipher is used in (use EVP_CIPHER.._mode() to extract the 157 * mode). The rest of the flag field is a bitfield. 158 */ 159 #define hc_EVP_CIPH_STREAM_CIPHER 0 160 #define hc_EVP_CIPH_CBC_MODE 2 161 #define hc_EVP_CIPH_CFB8_MODE 4 162 #define hc_EVP_CIPH_MODE 0x7 163 #define hc_EVP_CIPH_CTRL_INIT 0x40 164 165 #define hc_EVP_CTRL_INIT 0x0 166 167 #define hc_EVP_CIPH_VARIABLE_LENGTH 0x008 /* variable key length */ 168 #define hc_EVP_CIPH_ALWAYS_CALL_INIT 0x020 /* backend maintains own cipherstate */ 169 #define hc_EVP_CIPH_RAND_KEY 0x200 170 171 int (*init)(EVP_CIPHER_CTX*,const unsigned char*,const unsigned char*,int); 172 int (*do_cipher)(EVP_CIPHER_CTX *, unsigned char *, 173 const unsigned char *, unsigned int); 174 int (*cleanup)(EVP_CIPHER_CTX *); 175 int ctx_size; 176 int (*set_asn1_parameters)(void); 177 int (*get_asn1_parameters)(void); 178 int (*ctrl)(EVP_CIPHER_CTX *, int type, int arg, void *ptr); 179 #define EVP_CTRL_RAND_KEY 0x6 180 181 void *app_data; 182 }; 183 184 struct hc_CIPHER_CTX { 185 const EVP_CIPHER *cipher; 186 ENGINE *engine; 187 int encrypt; 188 int buf_len; /* bytes stored in buf for EVP_CipherUpdate */ 189 unsigned char oiv[EVP_MAX_IV_LENGTH]; 190 unsigned char iv[EVP_MAX_IV_LENGTH]; 191 unsigned char buf[EVP_MAX_BLOCK_LENGTH]; 192 int num; 193 void *app_data; 194 int key_len; 195 unsigned long flags; 196 void *cipher_data; 197 int final_used; 198 int block_mask; 199 unsigned char final[EVP_MAX_BLOCK_LENGTH]; 200 }; 201 202 /* 203 * LIES. It's not an EVP_MD_CTX that gets passed to these functions 204 * here in hcrypto, but an object of ctx_size. 205 */ 206 typedef int (*hc_evp_md_init)(EVP_MD_CTX *); 207 typedef int (*hc_evp_md_update)(EVP_MD_CTX *,const void *, size_t); 208 typedef int (*hc_evp_md_final)(void *, EVP_MD_CTX *); 209 typedef int (*hc_evp_md_cleanup)(EVP_MD_CTX *); 210 211 struct hc_evp_md { 212 int hash_size; 213 int block_size; 214 int ctx_size; 215 hc_evp_md_init init; 216 hc_evp_md_update update; 217 hc_evp_md_final final; 218 hc_evp_md_cleanup cleanup; 219 }; 220 221 #if !defined(__GNUC__) && !defined(__attribute__) 222 #define __attribute__(x) 223 #endif 224 225 #ifndef HC_DEPRECATED 226 #if defined(__GNUC__) && ((__GNUC__ > 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 1 ))) 227 #define HC_DEPRECATED __attribute__((deprecated)) 228 #elif defined(_MSC_VER) && (_MSC_VER>1200) 229 #define HC_DEPRECATED __declspec(deprecated) 230 #else 231 #define HC_DEPRECATED 232 #endif 233 #endif 234 235 #ifndef HC_DEPRECATED_CRYPTO 236 #define HC_DEPRECATED_CRYPTO HC_DEPRECATED 237 #endif 238 239 #ifdef __cplusplus 240 #define HC_CPP_BEGIN extern "C" { 241 #define HC_CPP_END } 242 #else 243 #define HC_CPP_BEGIN 244 #define HC_CPP_END 245 #endif 246 247 HC_CPP_BEGIN 248 249 /* 250 * Avaible crypto algs 251 */ 252 253 const EVP_MD *EVP_md_null(void); 254 HC_DEPRECATED_CRYPTO const EVP_MD *EVP_md4(void); 255 HC_DEPRECATED_CRYPTO const EVP_MD *EVP_md5(void); 256 const EVP_MD *EVP_sha(void); 257 const EVP_MD *EVP_sha1(void); 258 const EVP_MD *EVP_sha256(void); 259 const EVP_MD *EVP_sha384(void); 260 const EVP_MD *EVP_sha512(void); 261 262 const EVP_CIPHER * EVP_aes_128_cbc(void); 263 const EVP_CIPHER * EVP_aes_192_cbc(void); 264 const EVP_CIPHER * EVP_aes_256_cbc(void); 265 const EVP_CIPHER * EVP_aes_128_cfb8(void); 266 const EVP_CIPHER * EVP_aes_192_cfb8(void); 267 const EVP_CIPHER * EVP_aes_256_cfb8(void); 268 HC_DEPRECATED_CRYPTO const EVP_CIPHER * EVP_des_cbc(void); 269 const EVP_CIPHER * EVP_des_ede3_cbc(void); 270 const EVP_CIPHER * EVP_enc_null(void); 271 HC_DEPRECATED_CRYPTO const EVP_CIPHER * EVP_rc2_40_cbc(void); 272 HC_DEPRECATED_CRYPTO const EVP_CIPHER * EVP_rc2_64_cbc(void); 273 HC_DEPRECATED_CRYPTO const EVP_CIPHER * EVP_rc2_cbc(void); 274 const EVP_CIPHER * EVP_rc4(void); 275 HC_DEPRECATED_CRYPTO const EVP_CIPHER * EVP_rc4_40(void); 276 const EVP_CIPHER * EVP_camellia_128_cbc(void); 277 const EVP_CIPHER * EVP_camellia_192_cbc(void); 278 const EVP_CIPHER * EVP_camellia_256_cbc(void); 279 280 size_t EVP_MD_size(const EVP_MD *); 281 size_t EVP_MD_block_size(const EVP_MD *); 282 283 const EVP_MD * 284 EVP_MD_CTX_md(EVP_MD_CTX *); 285 size_t EVP_MD_CTX_size(EVP_MD_CTX *); 286 size_t EVP_MD_CTX_block_size(EVP_MD_CTX *); 287 288 EVP_MD_CTX * 289 EVP_MD_CTX_create(void); 290 void HC_DEPRECATED EVP_MD_CTX_init(EVP_MD_CTX *); 291 void EVP_MD_CTX_destroy(EVP_MD_CTX *); 292 int HC_DEPRECATED EVP_MD_CTX_cleanup(EVP_MD_CTX *); 293 294 int EVP_DigestInit_ex(EVP_MD_CTX *, const EVP_MD *, ENGINE *); 295 int EVP_DigestUpdate(EVP_MD_CTX *,const void *, size_t); 296 int EVP_DigestFinal_ex(EVP_MD_CTX *, void *, unsigned int *); 297 int EVP_Digest(const void *, size_t, void *, unsigned int *, 298 const EVP_MD *, ENGINE *); 299 /* 300 * 301 */ 302 303 const EVP_CIPHER * 304 EVP_get_cipherbyname(const char *); 305 306 size_t EVP_CIPHER_block_size(const EVP_CIPHER *); 307 size_t EVP_CIPHER_key_length(const EVP_CIPHER *); 308 size_t EVP_CIPHER_iv_length(const EVP_CIPHER *); 309 310 void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *); 311 int EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *); 312 int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *, int); 313 int EVP_CIPHER_CTX_set_padding(EVP_CIPHER_CTX *, int); 314 unsigned long 315 EVP_CIPHER_CTX_flags(const EVP_CIPHER_CTX *); 316 int EVP_CIPHER_CTX_mode(const EVP_CIPHER_CTX *); 317 318 const EVP_CIPHER * 319 EVP_CIPHER_CTX_cipher(EVP_CIPHER_CTX *); 320 size_t EVP_CIPHER_CTX_block_size(const EVP_CIPHER_CTX *); 321 size_t EVP_CIPHER_CTX_key_length(const EVP_CIPHER_CTX *); 322 size_t EVP_CIPHER_CTX_iv_length(const EVP_CIPHER_CTX *); 323 void * EVP_CIPHER_CTX_get_app_data(EVP_CIPHER_CTX *); 324 void EVP_CIPHER_CTX_set_app_data(EVP_CIPHER_CTX *, void *); 325 326 int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *, int, int, void *); 327 int EVP_CIPHER_CTX_rand_key(EVP_CIPHER_CTX *, void *); 328 329 330 int EVP_CipherInit_ex(EVP_CIPHER_CTX *,const EVP_CIPHER *, ENGINE *, 331 const void *, const void *, int); 332 int EVP_CipherUpdate(EVP_CIPHER_CTX *, void *, int *, void *, size_t); 333 int EVP_CipherFinal_ex(EVP_CIPHER_CTX *, void *, int *); 334 335 int EVP_Cipher(EVP_CIPHER_CTX *,void *,const void *,size_t); 336 337 int PKCS5_PBKDF2_HMAC(const void *, size_t, const void *, size_t, 338 unsigned long, const EVP_MD *, size_t, void *); 339 340 int PKCS5_PBKDF2_HMAC_SHA1(const void *, size_t, const void *, size_t, 341 unsigned long, size_t, void *); 342 343 int EVP_BytesToKey(const EVP_CIPHER *, const EVP_MD *, 344 const void *, const void *, size_t, 345 unsigned int, void *, void *); 346 347 348 /* 349 * 350 */ 351 352 void OpenSSL_add_all_algorithms(void); 353 void OpenSSL_add_all_algorithms_conf(void); 354 void OpenSSL_add_all_algorithms_noconf(void); 355 356 void 357 hcrypto_validate(void); 358 359 HC_CPP_END 360 361 #endif /* HEIM_EVP_H */ 362