1 /* $OpenBSD: evp.h,v 1.117 2023/04/25 16:50:33 tb Exp $ */ 2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay@cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58 59 #ifndef HEADER_ENVELOPE_H 60 #define HEADER_ENVELOPE_H 61 62 #include <openssl/opensslconf.h> 63 64 #include <openssl/ossl_typ.h> 65 66 #ifndef OPENSSL_NO_BIO 67 #include <openssl/bio.h> 68 #endif 69 70 /* 71 #define EVP_RC2_KEY_SIZE 16 72 #define EVP_RC4_KEY_SIZE 16 73 #define EVP_BLOWFISH_KEY_SIZE 16 74 #define EVP_CAST5_KEY_SIZE 16 75 #define EVP_RC5_32_12_16_KEY_SIZE 16 76 */ 77 #define EVP_MAX_MD_SIZE 64 /* longest known is SHA512 */ 78 #define EVP_MAX_KEY_LENGTH 64 79 #define EVP_MAX_IV_LENGTH 16 80 #define EVP_MAX_BLOCK_LENGTH 32 81 82 #define PKCS5_SALT_LEN 8 83 /* Default PKCS#5 iteration count */ 84 #define PKCS5_DEFAULT_ITER 2048 85 86 #include <openssl/objects.h> 87 88 #define EVP_PK_RSA 0x0001 89 #define EVP_PK_DSA 0x0002 90 #define EVP_PK_DH 0x0004 91 #define EVP_PK_EC 0x0008 92 #define EVP_PKT_SIGN 0x0010 93 #define EVP_PKT_ENC 0x0020 94 #define EVP_PKT_EXCH 0x0040 95 #define EVP_PKS_RSA 0x0100 96 #define EVP_PKS_DSA 0x0200 97 #define EVP_PKS_EC 0x0400 98 #define EVP_PKT_EXP 0x1000 /* <= 512 bit key */ 99 100 #define EVP_PKEY_NONE NID_undef 101 #define EVP_PKEY_RSA NID_rsaEncryption 102 #define EVP_PKEY_RSA_PSS NID_rsassaPss 103 #define EVP_PKEY_RSA2 NID_rsa 104 #define EVP_PKEY_DSA NID_dsa 105 #define EVP_PKEY_DSA1 NID_dsa_2 106 #define EVP_PKEY_DSA2 NID_dsaWithSHA 107 #define EVP_PKEY_DSA3 NID_dsaWithSHA1 108 #define EVP_PKEY_DSA4 NID_dsaWithSHA1_2 109 #define EVP_PKEY_DH NID_dhKeyAgreement 110 #define EVP_PKEY_EC NID_X9_62_id_ecPublicKey 111 #define EVP_PKEY_GOSTR01 NID_id_GostR3410_2001 112 #define EVP_PKEY_GOSTIMIT NID_id_Gost28147_89_MAC 113 #define EVP_PKEY_HMAC NID_hmac 114 #define EVP_PKEY_CMAC NID_cmac 115 #define EVP_PKEY_HKDF NID_hkdf 116 #define EVP_PKEY_GOSTR12_256 NID_id_tc26_gost3410_2012_256 117 #define EVP_PKEY_GOSTR12_512 NID_id_tc26_gost3410_2012_512 118 #define EVP_PKEY_ED25519 NID_ED25519 119 #define EVP_PKEY_X25519 NID_X25519 120 121 #ifdef __cplusplus 122 extern "C" { 123 #endif 124 125 #define EVP_PKEY_MO_SIGN 0x0001 126 #define EVP_PKEY_MO_VERIFY 0x0002 127 #define EVP_PKEY_MO_ENCRYPT 0x0004 128 #define EVP_PKEY_MO_DECRYPT 0x0008 129 130 #ifndef EVP_MD 131 #define EVP_MD_FLAG_ONESHOT 0x0001 /* digest can only handle a single 132 * block */ 133 134 /* DigestAlgorithmIdentifier flags... */ 135 136 #define EVP_MD_FLAG_DIGALGID_MASK 0x0018 137 138 /* NULL or absent parameter accepted. Use NULL */ 139 140 #define EVP_MD_FLAG_DIGALGID_NULL 0x0000 141 142 /* NULL or absent parameter accepted. Use NULL for PKCS#1 otherwise absent */ 143 144 #define EVP_MD_FLAG_DIGALGID_ABSENT 0x0008 145 146 /* Custom handling via ctrl */ 147 148 #define EVP_MD_FLAG_DIGALGID_CUSTOM 0x0018 149 150 #define EVP_MD_FLAG_FIPS 0x0400 /* Note if suitable for use in FIPS mode */ 151 152 /* Digest ctrls */ 153 154 #define EVP_MD_CTRL_DIGALGID 0x1 155 #define EVP_MD_CTRL_MICALG 0x2 156 #define EVP_MD_CTRL_SET_KEY 0x3 157 #define EVP_MD_CTRL_GOST_SET_SBOX 0x4 158 159 /* Minimum Algorithm specific ctrl value */ 160 161 #define EVP_MD_CTRL_ALG_CTRL 0x1000 162 163 #endif /* !EVP_MD */ 164 165 /* values for EVP_MD_CTX flags */ 166 167 #define EVP_MD_CTX_FLAG_ONESHOT 0x0001 /* digest update will be called 168 * once only */ 169 #define EVP_MD_CTX_FLAG_CLEANED 0x0002 /* context has already been 170 * cleaned */ 171 #define EVP_MD_CTX_FLAG_REUSE 0x0004 /* Don't free up ctx->md_data 172 * in EVP_MD_CTX_cleanup */ 173 /* FIPS and pad options are ignored in 1.0.0, definitions are here 174 * so we don't accidentally reuse the values for other purposes. 175 */ 176 177 #define EVP_MD_CTX_FLAG_NON_FIPS_ALLOW 0x0008 /* Allow use of non FIPS digest 178 * in FIPS mode */ 179 180 /* The following PAD options are also currently ignored in 1.0.0, digest 181 * parameters are handled through EVP_DigestSign*() and EVP_DigestVerify*() 182 * instead. 183 */ 184 #define EVP_MD_CTX_FLAG_PAD_MASK 0xF0 /* RSA mode to use */ 185 #define EVP_MD_CTX_FLAG_PAD_PKCS1 0x00 /* PKCS#1 v1.5 mode */ 186 #define EVP_MD_CTX_FLAG_PAD_PSS 0x20 /* PSS mode */ 187 188 #define EVP_MD_CTX_FLAG_NO_INIT 0x0100 /* Don't initialize md_data */ 189 190 /* Values for cipher flags */ 191 192 /* Modes for ciphers */ 193 194 #define EVP_CIPH_STREAM_CIPHER 0x0 195 #define EVP_CIPH_ECB_MODE 0x1 196 #define EVP_CIPH_CBC_MODE 0x2 197 #define EVP_CIPH_CFB_MODE 0x3 198 #define EVP_CIPH_OFB_MODE 0x4 199 #define EVP_CIPH_CTR_MODE 0x5 200 #define EVP_CIPH_GCM_MODE 0x6 201 #define EVP_CIPH_CCM_MODE 0x7 202 #define EVP_CIPH_XTS_MODE 0x10001 203 #define EVP_CIPH_WRAP_MODE 0x10002 204 #define EVP_CIPH_MODE 0xF0007 205 /* Set if variable length cipher */ 206 #define EVP_CIPH_VARIABLE_LENGTH 0x8 207 /* Set if the iv handling should be done by the cipher itself */ 208 #define EVP_CIPH_CUSTOM_IV 0x10 209 /* Set if the cipher's init() function should be called if key is NULL */ 210 #define EVP_CIPH_ALWAYS_CALL_INIT 0x20 211 /* Call ctrl() to init cipher parameters */ 212 #define EVP_CIPH_CTRL_INIT 0x40 213 /* Don't use standard key length function */ 214 #define EVP_CIPH_CUSTOM_KEY_LENGTH 0x80 215 /* Don't use standard block padding */ 216 #define EVP_CIPH_NO_PADDING 0x100 217 /* cipher handles random key generation */ 218 #define EVP_CIPH_RAND_KEY 0x200 219 /* cipher has its own additional copying logic */ 220 #define EVP_CIPH_CUSTOM_COPY 0x400 221 /* Allow use default ASN1 get/set iv */ 222 #define EVP_CIPH_FLAG_DEFAULT_ASN1 0x1000 223 /* Buffer length in bits not bytes: CFB1 mode only */ 224 #define EVP_CIPH_FLAG_LENGTH_BITS 0x2000 225 /* Note if suitable for use in FIPS mode */ 226 #define EVP_CIPH_FLAG_FIPS 0x4000 227 /* Allow non FIPS cipher in FIPS mode */ 228 #define EVP_CIPH_FLAG_NON_FIPS_ALLOW 0x8000 229 /* Cipher handles any and all padding logic as well 230 * as finalisation. 231 */ 232 #define EVP_CIPH_FLAG_CUSTOM_CIPHER 0x100000 233 #define EVP_CIPH_FLAG_AEAD_CIPHER 0x200000 234 235 /* 236 * Cipher context flag to indicate that we can handle wrap mode: if allowed in 237 * older applications, it could overflow buffers. 238 */ 239 #define EVP_CIPHER_CTX_FLAG_WRAP_ALLOW 0x1 240 241 /* ctrl() values */ 242 243 #define EVP_CTRL_INIT 0x0 244 #define EVP_CTRL_SET_KEY_LENGTH 0x1 245 #define EVP_CTRL_GET_RC2_KEY_BITS 0x2 246 #define EVP_CTRL_SET_RC2_KEY_BITS 0x3 247 #define EVP_CTRL_GET_RC5_ROUNDS 0x4 248 #define EVP_CTRL_SET_RC5_ROUNDS 0x5 249 #define EVP_CTRL_RAND_KEY 0x6 250 #define EVP_CTRL_PBE_PRF_NID 0x7 251 #define EVP_CTRL_COPY 0x8 252 #define EVP_CTRL_AEAD_SET_IVLEN 0x9 253 #define EVP_CTRL_AEAD_GET_TAG 0x10 254 #define EVP_CTRL_AEAD_SET_TAG 0x11 255 #define EVP_CTRL_AEAD_SET_IV_FIXED 0x12 256 #define EVP_CTRL_GCM_SET_IVLEN EVP_CTRL_AEAD_SET_IVLEN 257 #define EVP_CTRL_GCM_GET_TAG EVP_CTRL_AEAD_GET_TAG 258 #define EVP_CTRL_GCM_SET_TAG EVP_CTRL_AEAD_SET_TAG 259 #define EVP_CTRL_GCM_SET_IV_FIXED EVP_CTRL_AEAD_SET_IV_FIXED 260 #define EVP_CTRL_GCM_IV_GEN 0x13 261 #define EVP_CTRL_CCM_SET_IVLEN EVP_CTRL_AEAD_SET_IVLEN 262 #define EVP_CTRL_CCM_GET_TAG EVP_CTRL_AEAD_GET_TAG 263 #define EVP_CTRL_CCM_SET_TAG EVP_CTRL_AEAD_SET_TAG 264 #define EVP_CTRL_CCM_SET_L 0x14 265 #define EVP_CTRL_CCM_SET_MSGLEN 0x15 266 /* AEAD cipher deduces payload length and returns number of bytes 267 * required to store MAC and eventual padding. Subsequent call to 268 * EVP_Cipher even appends/verifies MAC. 269 */ 270 #define EVP_CTRL_AEAD_TLS1_AAD 0x16 271 /* Used by composite AEAD ciphers, no-op in GCM, CCM... */ 272 #define EVP_CTRL_AEAD_SET_MAC_KEY 0x17 273 /* Set the GCM invocation field, decrypt only */ 274 #define EVP_CTRL_GCM_SET_IV_INV 0x18 275 /* Set the S-BOX NID for GOST ciphers */ 276 #define EVP_CTRL_GOST_SET_SBOX 0x19 277 278 /* GCM TLS constants */ 279 /* Length of fixed part of IV derived from PRF */ 280 #define EVP_GCM_TLS_FIXED_IV_LEN 4 281 /* Length of explicit part of IV part of TLS records */ 282 #define EVP_GCM_TLS_EXPLICIT_IV_LEN 8 283 /* Length of tag for TLS */ 284 #define EVP_GCM_TLS_TAG_LEN 16 285 286 /* CCM TLS constants */ 287 /* Length of fixed part of IV derived from PRF */ 288 #define EVP_CCM_TLS_FIXED_IV_LEN 4 289 /* Length of explicit part of IV part of TLS records */ 290 #define EVP_CCM_TLS_EXPLICIT_IV_LEN 8 291 /* Total length of CCM IV length for TLS */ 292 #define EVP_CCM_TLS_IV_LEN 12 293 /* Length of tag for TLS */ 294 #define EVP_CCM_TLS_TAG_LEN 16 295 /* Length of CCM8 tag for TLS */ 296 #define EVP_CCM8_TLS_TAG_LEN 8 297 298 /* Length of tag for TLS */ 299 #define EVP_CHACHAPOLY_TLS_TAG_LEN 16 300 301 /* XXX - do we want to expose these? */ 302 #if defined(LIBRESSL_INTERNAL) 303 #define ED25519_KEYLEN 32 304 #define X25519_KEYLEN 32 305 #endif 306 307 typedef struct evp_cipher_info_st { 308 const EVP_CIPHER *cipher; 309 unsigned char iv[EVP_MAX_IV_LENGTH]; 310 } EVP_CIPHER_INFO; 311 312 /* Password based encryption function */ 313 typedef int (EVP_PBE_KEYGEN)(EVP_CIPHER_CTX *ctx, const char *pass, int passlen, 314 ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md, int en_de); 315 316 #ifndef OPENSSL_NO_RSA 317 #define EVP_PKEY_assign_RSA(pkey,rsa) EVP_PKEY_assign((pkey),EVP_PKEY_RSA,\ 318 (char *)(rsa)) 319 #endif 320 321 #ifndef OPENSSL_NO_DSA 322 #define EVP_PKEY_assign_DSA(pkey,dsa) EVP_PKEY_assign((pkey),EVP_PKEY_DSA,\ 323 (char *)(dsa)) 324 #endif 325 326 #ifndef OPENSSL_NO_DH 327 #define EVP_PKEY_assign_DH(pkey,dh) EVP_PKEY_assign((pkey),EVP_PKEY_DH,\ 328 (char *)(dh)) 329 #endif 330 331 #ifndef OPENSSL_NO_EC 332 #define EVP_PKEY_assign_EC_KEY(pkey,eckey) EVP_PKEY_assign((pkey),EVP_PKEY_EC,\ 333 (char *)(eckey)) 334 #endif 335 336 #ifndef OPENSSL_NO_GOST 337 #define EVP_PKEY_assign_GOST(pkey,gostkey) EVP_PKEY_assign((pkey),EVP_PKEY_GOSTR01,\ 338 (char *)(gostkey)) 339 #endif 340 341 /* Add some extra combinations */ 342 #define EVP_get_digestbynid(a) EVP_get_digestbyname(OBJ_nid2sn(a)) 343 #define EVP_get_digestbyobj(a) EVP_get_digestbynid(OBJ_obj2nid(a)) 344 #define EVP_get_cipherbynid(a) EVP_get_cipherbyname(OBJ_nid2sn(a)) 345 #define EVP_get_cipherbyobj(a) EVP_get_cipherbynid(OBJ_obj2nid(a)) 346 347 int EVP_MD_type(const EVP_MD *md); 348 #define EVP_MD_nid(e) EVP_MD_type(e) 349 #define EVP_MD_name(e) OBJ_nid2sn(EVP_MD_nid(e)) 350 int EVP_MD_pkey_type(const EVP_MD *md); 351 int EVP_MD_size(const EVP_MD *md); 352 int EVP_MD_block_size(const EVP_MD *md); 353 unsigned long EVP_MD_flags(const EVP_MD *md); 354 355 EVP_MD *EVP_MD_meth_new(int md_type, int pkey_type); 356 void EVP_MD_meth_free(EVP_MD *md); 357 EVP_MD *EVP_MD_meth_dup(const EVP_MD *md); 358 int EVP_MD_meth_set_input_blocksize(EVP_MD *md, int blocksize); 359 int EVP_MD_meth_set_result_size(EVP_MD *md, int resultsize); 360 int EVP_MD_meth_set_app_datasize(EVP_MD *md, int datasize); 361 int EVP_MD_meth_set_flags(EVP_MD *md, unsigned long flags); 362 int EVP_MD_meth_set_init(EVP_MD *md, int (*init)(EVP_MD_CTX *ctx)); 363 int EVP_MD_meth_set_update(EVP_MD *md, 364 int (*update)(EVP_MD_CTX *ctx, const void *data, size_t count)); 365 int EVP_MD_meth_set_final(EVP_MD *md, 366 int (*final)(EVP_MD_CTX *ctx, unsigned char *md)); 367 int EVP_MD_meth_set_copy(EVP_MD *md, 368 int (*copy)(EVP_MD_CTX *to, const EVP_MD_CTX *from)); 369 int EVP_MD_meth_set_cleanup(EVP_MD *md, int (*cleanup)(EVP_MD_CTX *ctx)); 370 int EVP_MD_meth_set_ctrl(EVP_MD *md, 371 int (*ctrl)(EVP_MD_CTX *ctx, int cmd, int p1, void *p2)); 372 373 const EVP_MD *EVP_MD_CTX_md(const EVP_MD_CTX *ctx); 374 void *EVP_MD_CTX_md_data(const EVP_MD_CTX *ctx); 375 EVP_PKEY_CTX *EVP_MD_CTX_pkey_ctx(const EVP_MD_CTX *ctx); 376 void EVP_MD_CTX_set_pkey_ctx(EVP_MD_CTX *ctx, EVP_PKEY_CTX *pctx); 377 #define EVP_MD_CTX_size(e) EVP_MD_size(EVP_MD_CTX_md(e)) 378 #define EVP_MD_CTX_block_size(e) EVP_MD_block_size(EVP_MD_CTX_md(e)) 379 #define EVP_MD_CTX_type(e) EVP_MD_type(EVP_MD_CTX_md(e)) 380 381 int EVP_CIPHER_nid(const EVP_CIPHER *cipher); 382 #define EVP_CIPHER_name(e) OBJ_nid2sn(EVP_CIPHER_nid(e)) 383 int EVP_CIPHER_block_size(const EVP_CIPHER *cipher); 384 int EVP_CIPHER_key_length(const EVP_CIPHER *cipher); 385 int EVP_CIPHER_iv_length(const EVP_CIPHER *cipher); 386 unsigned long EVP_CIPHER_flags(const EVP_CIPHER *cipher); 387 #define EVP_CIPHER_mode(e) (EVP_CIPHER_flags(e) & EVP_CIPH_MODE) 388 389 const EVP_CIPHER * EVP_CIPHER_CTX_cipher(const EVP_CIPHER_CTX *ctx); 390 int EVP_CIPHER_CTX_encrypting(const EVP_CIPHER_CTX *ctx); 391 int EVP_CIPHER_CTX_nid(const EVP_CIPHER_CTX *ctx); 392 int EVP_CIPHER_CTX_block_size(const EVP_CIPHER_CTX *ctx); 393 int EVP_CIPHER_CTX_key_length(const EVP_CIPHER_CTX *ctx); 394 int EVP_CIPHER_CTX_iv_length(const EVP_CIPHER_CTX *ctx); 395 int EVP_CIPHER_CTX_get_iv(const EVP_CIPHER_CTX *ctx, 396 unsigned char *iv, size_t len); 397 int EVP_CIPHER_CTX_set_iv(EVP_CIPHER_CTX *ctx, 398 const unsigned char *iv, size_t len); 399 int EVP_CIPHER_CTX_copy(EVP_CIPHER_CTX *out, const EVP_CIPHER_CTX *in); 400 void *EVP_CIPHER_CTX_get_app_data(const EVP_CIPHER_CTX *ctx); 401 void EVP_CIPHER_CTX_set_app_data(EVP_CIPHER_CTX *ctx, void *data); 402 void *EVP_CIPHER_CTX_get_cipher_data(const EVP_CIPHER_CTX *ctx); 403 void *EVP_CIPHER_CTX_set_cipher_data(EVP_CIPHER_CTX *ctx, void *cipher_data); 404 unsigned char *EVP_CIPHER_CTX_buf_noconst(EVP_CIPHER_CTX *ctx); 405 #define EVP_CIPHER_CTX_type(c) EVP_CIPHER_type(EVP_CIPHER_CTX_cipher(c)) 406 unsigned long EVP_CIPHER_CTX_flags(const EVP_CIPHER_CTX *ctx); 407 #define EVP_CIPHER_CTX_mode(e) (EVP_CIPHER_CTX_flags(e) & EVP_CIPH_MODE) 408 409 EVP_CIPHER *EVP_CIPHER_meth_new(int cipher_type, int block_size, int key_len); 410 EVP_CIPHER *EVP_CIPHER_meth_dup(const EVP_CIPHER *cipher); 411 void EVP_CIPHER_meth_free(EVP_CIPHER *cipher); 412 413 int EVP_CIPHER_meth_set_iv_length(EVP_CIPHER *cipher, int iv_len); 414 int EVP_CIPHER_meth_set_flags(EVP_CIPHER *cipher, unsigned long flags); 415 int EVP_CIPHER_meth_set_impl_ctx_size(EVP_CIPHER *cipher, int ctx_size); 416 int EVP_CIPHER_meth_set_init(EVP_CIPHER *cipher, 417 int (*init)(EVP_CIPHER_CTX *ctx, const unsigned char *key, 418 const unsigned char *iv, int enc)); 419 int EVP_CIPHER_meth_set_do_cipher(EVP_CIPHER *cipher, 420 int (*do_cipher)(EVP_CIPHER_CTX *ctx, unsigned char *out, 421 const unsigned char *in, size_t inl)); 422 int EVP_CIPHER_meth_set_cleanup(EVP_CIPHER *cipher, 423 int (*cleanup)(EVP_CIPHER_CTX *)); 424 int EVP_CIPHER_meth_set_set_asn1_params(EVP_CIPHER *cipher, 425 int (*set_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *)); 426 int EVP_CIPHER_meth_set_get_asn1_params(EVP_CIPHER *cipher, 427 int (*get_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *)); 428 int EVP_CIPHER_meth_set_ctrl(EVP_CIPHER *cipher, 429 int (*ctrl)(EVP_CIPHER_CTX *, int type, int arg, void *ptr)); 430 431 EVP_PKEY *EVP_PKEY_new_raw_private_key(int type, ENGINE *engine, 432 const unsigned char *private_key, size_t len); 433 EVP_PKEY *EVP_PKEY_new_raw_public_key(int type, ENGINE *engine, 434 const unsigned char *public_key, size_t len); 435 int EVP_PKEY_get_raw_private_key(const EVP_PKEY *pkey, 436 unsigned char *out_private_key, size_t *out_len); 437 int EVP_PKEY_get_raw_public_key(const EVP_PKEY *pkey, 438 unsigned char *out_public_key, size_t *out_len); 439 440 #define EVP_ENCODE_LENGTH(l) (((l+2)/3*4)+(l/48+1)*2+80) 441 #define EVP_DECODE_LENGTH(l) ((l+3)/4*3+80) 442 443 #define EVP_SignInit_ex(a,b,c) EVP_DigestInit_ex(a,b,c) 444 #define EVP_SignInit(a,b) EVP_DigestInit(a,b) 445 #define EVP_SignUpdate(a,b,c) EVP_DigestUpdate(a,b,c) 446 #define EVP_VerifyInit_ex(a,b,c) EVP_DigestInit_ex(a,b,c) 447 #define EVP_VerifyInit(a,b) EVP_DigestInit(a,b) 448 #define EVP_VerifyUpdate(a,b,c) EVP_DigestUpdate(a,b,c) 449 #define EVP_OpenUpdate(a,b,c,d,e) EVP_DecryptUpdate(a,b,c,d,e) 450 #define EVP_SealUpdate(a,b,c,d,e) EVP_EncryptUpdate(a,b,c,d,e) 451 #define EVP_DigestSignUpdate(a,b,c) EVP_DigestUpdate(a,b,c) 452 #define EVP_DigestVerifyUpdate(a,b,c) EVP_DigestUpdate(a,b,c) 453 454 #define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,0,(char *)md) 455 #define BIO_get_md(b,mdp) BIO_ctrl(b,BIO_C_GET_MD,0,(char *)mdp) 456 #define BIO_get_md_ctx(b,mdcp) BIO_ctrl(b,BIO_C_GET_MD_CTX,0,(char *)mdcp) 457 #define BIO_set_md_ctx(b,mdcp) BIO_ctrl(b,BIO_C_SET_MD_CTX,0,(char *)mdcp) 458 #define BIO_get_cipher_status(b) BIO_ctrl(b,BIO_C_GET_CIPHER_STATUS,0,NULL) 459 #define BIO_get_cipher_ctx(b,c_pp) BIO_ctrl(b,BIO_C_GET_CIPHER_CTX,0,(char *)c_pp) 460 461 int EVP_Cipher(EVP_CIPHER_CTX *c, unsigned char *out, const unsigned char *in, 462 unsigned int inl); 463 464 #define EVP_add_cipher_alias(n,alias) \ 465 OBJ_NAME_add((alias),OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS,(n)) 466 #define EVP_add_digest_alias(n,alias) \ 467 OBJ_NAME_add((alias),OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,(n)) 468 #define EVP_delete_cipher_alias(alias) \ 469 OBJ_NAME_remove(alias,OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS); 470 #define EVP_delete_digest_alias(alias) \ 471 OBJ_NAME_remove(alias,OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS); 472 473 EVP_MD_CTX *EVP_MD_CTX_new(void); 474 void EVP_MD_CTX_free(EVP_MD_CTX *ctx); 475 void EVP_MD_CTX_init(EVP_MD_CTX *ctx); 476 int EVP_MD_CTX_reset(EVP_MD_CTX *ctx); 477 EVP_MD_CTX *EVP_MD_CTX_create(void); 478 void EVP_MD_CTX_destroy(EVP_MD_CTX *ctx); 479 int EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx); 480 int EVP_MD_CTX_copy_ex(EVP_MD_CTX *out, const EVP_MD_CTX *in); 481 void EVP_MD_CTX_set_flags(EVP_MD_CTX *ctx, int flags); 482 void EVP_MD_CTX_clear_flags(EVP_MD_CTX *ctx, int flags); 483 int EVP_MD_CTX_ctrl(EVP_MD_CTX *ctx, int type, int arg, void *ptr); 484 int EVP_MD_CTX_test_flags(const EVP_MD_CTX *ctx, int flags); 485 486 int EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl); 487 int EVP_DigestUpdate(EVP_MD_CTX *ctx, const void *d, size_t cnt); 488 int EVP_DigestFinal_ex(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *s); 489 int EVP_Digest(const void *data, size_t count, unsigned char *md, 490 unsigned int *size, const EVP_MD *type, ENGINE *impl); 491 492 int EVP_MD_CTX_copy(EVP_MD_CTX *out, const EVP_MD_CTX *in); 493 int EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type); 494 int EVP_DigestFinal(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *s); 495 496 int EVP_read_pw_string(char *buf, int length, const char *prompt, int verify); 497 int EVP_read_pw_string_min(char *buf, int minlen, int maxlen, 498 const char *prompt, int verify); 499 void EVP_set_pw_prompt(const char *prompt); 500 char *EVP_get_pw_prompt(void); 501 502 int EVP_BytesToKey(const EVP_CIPHER *type, const EVP_MD *md, 503 const unsigned char *salt, const unsigned char *data, int datal, int count, 504 unsigned char *key, unsigned char *iv); 505 506 void EVP_CIPHER_CTX_set_flags(EVP_CIPHER_CTX *ctx, int flags); 507 void EVP_CIPHER_CTX_clear_flags(EVP_CIPHER_CTX *ctx, int flags); 508 int EVP_CIPHER_CTX_test_flags(const EVP_CIPHER_CTX *ctx, int flags); 509 510 int EVP_EncryptInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher, 511 const unsigned char *key, const unsigned char *iv); 512 int EVP_EncryptInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher, 513 ENGINE *impl, const unsigned char *key, const unsigned char *iv); 514 int EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl, 515 const unsigned char *in, int inl); 516 int EVP_EncryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl); 517 #ifndef LIBRESSL_INTERNAL 518 int EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl); 519 #endif 520 521 int EVP_DecryptInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher, 522 const unsigned char *key, const unsigned char *iv); 523 int EVP_DecryptInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher, 524 ENGINE *impl, const unsigned char *key, const unsigned char *iv); 525 int EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl, 526 const unsigned char *in, int inl); 527 int EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl); 528 #ifndef LIBRESSL_INTERNAL 529 int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl); 530 #endif 531 532 int EVP_CipherInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher, 533 const unsigned char *key, const unsigned char *iv, int enc); 534 int EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher, 535 ENGINE *impl, const unsigned char *key, const unsigned char *iv, int enc); 536 int EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl, 537 const unsigned char *in, int inl); 538 int EVP_CipherFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl); 539 #ifndef LIBRESSL_INTERNAL 540 int EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl); 541 #endif 542 543 int EVP_SignFinal(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *s, 544 EVP_PKEY *pkey); 545 546 int EVP_VerifyFinal(EVP_MD_CTX *ctx, const unsigned char *sigbuf, 547 unsigned int siglen, EVP_PKEY *pkey); 548 549 int EVP_DigestSignInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx, 550 const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey); 551 int EVP_DigestSignFinal(EVP_MD_CTX *ctx, unsigned char *sigret, size_t *siglen); 552 553 int EVP_DigestSign(EVP_MD_CTX *ctx, unsigned char *sigret, size_t *siglen, 554 const unsigned char *tbs, size_t tbslen); 555 556 int EVP_DigestVerifyInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx, 557 const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey); 558 int EVP_DigestVerifyFinal(EVP_MD_CTX *ctx, const unsigned char *sig, 559 size_t siglen); 560 561 int EVP_DigestVerify(EVP_MD_CTX *ctx, const unsigned char *sigret, 562 size_t siglen, const unsigned char *tbs, size_t tbslen); 563 564 int EVP_OpenInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type, 565 const unsigned char *ek, int ekl, const unsigned char *iv, EVP_PKEY *priv); 566 int EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl); 567 568 int EVP_SealInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type, 569 unsigned char **ek, int *ekl, unsigned char *iv, EVP_PKEY **pubk, 570 int npubk); 571 int EVP_SealFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl); 572 573 EVP_ENCODE_CTX *EVP_ENCODE_CTX_new(void); 574 void EVP_ENCODE_CTX_free(EVP_ENCODE_CTX *ctx); 575 void EVP_EncodeInit(EVP_ENCODE_CTX *ctx); 576 int EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl, 577 const unsigned char *in, int inl); 578 void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl); 579 int EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int n); 580 581 void EVP_DecodeInit(EVP_ENCODE_CTX *ctx); 582 int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl, 583 const unsigned char *in, int inl); 584 int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl); 585 int EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n); 586 587 void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *a); 588 int EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *a); 589 EVP_CIPHER_CTX *EVP_CIPHER_CTX_new(void); 590 void EVP_CIPHER_CTX_free(EVP_CIPHER_CTX *a); 591 int EVP_CIPHER_CTX_reset(EVP_CIPHER_CTX *a); 592 int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *x, int keylen); 593 int EVP_CIPHER_CTX_set_padding(EVP_CIPHER_CTX *c, int pad); 594 int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr); 595 int EVP_CIPHER_CTX_rand_key(EVP_CIPHER_CTX *ctx, unsigned char *key); 596 597 #ifndef OPENSSL_NO_BIO 598 const BIO_METHOD *BIO_f_md(void); 599 const BIO_METHOD *BIO_f_base64(void); 600 const BIO_METHOD *BIO_f_cipher(void); 601 int BIO_set_cipher(BIO *b, const EVP_CIPHER *c, const unsigned char *k, 602 const unsigned char *i, int enc); 603 #endif 604 605 const EVP_MD *EVP_md_null(void); 606 #ifndef OPENSSL_NO_MD4 607 const EVP_MD *EVP_md4(void); 608 #endif 609 #ifndef OPENSSL_NO_MD5 610 const EVP_MD *EVP_md5(void); 611 const EVP_MD *EVP_md5_sha1(void); 612 #endif 613 #ifndef OPENSSL_NO_SHA 614 const EVP_MD *EVP_sha1(void); 615 #endif 616 #ifndef OPENSSL_NO_SHA256 617 const EVP_MD *EVP_sha224(void); 618 const EVP_MD *EVP_sha256(void); 619 #endif 620 #ifndef OPENSSL_NO_SHA512 621 const EVP_MD *EVP_sha384(void); 622 const EVP_MD *EVP_sha512(void); 623 #if defined(LIBRESSL_INTERNAL) || defined(LIBRESSL_NEXT_API) 624 const EVP_MD *EVP_sha512_224(void); 625 const EVP_MD *EVP_sha512_256(void); 626 #endif 627 #endif 628 #ifndef OPENSSL_NO_SHA3 629 #if defined(LIBRESSL_INTERNAL) || defined(LIBRESSL_NEXT_API) 630 const EVP_MD *EVP_sha3_224(void); 631 const EVP_MD *EVP_sha3_256(void); 632 const EVP_MD *EVP_sha3_384(void); 633 const EVP_MD *EVP_sha3_512(void); 634 #endif 635 #endif 636 #ifndef OPENSSL_NO_SM3 637 const EVP_MD *EVP_sm3(void); 638 #endif 639 #ifndef OPENSSL_NO_RIPEMD 640 const EVP_MD *EVP_ripemd160(void); 641 #endif 642 #ifndef OPENSSL_NO_WHIRLPOOL 643 const EVP_MD *EVP_whirlpool(void); 644 #endif 645 #ifndef OPENSSL_NO_GOST 646 const EVP_MD *EVP_gostr341194(void); 647 const EVP_MD *EVP_gost2814789imit(void); 648 const EVP_MD *EVP_streebog256(void); 649 const EVP_MD *EVP_streebog512(void); 650 #endif 651 const EVP_CIPHER *EVP_enc_null(void); /* does nothing :-) */ 652 #ifndef OPENSSL_NO_DES 653 const EVP_CIPHER *EVP_des_ecb(void); 654 const EVP_CIPHER *EVP_des_ede(void); 655 const EVP_CIPHER *EVP_des_ede3(void); 656 const EVP_CIPHER *EVP_des_ede_ecb(void); 657 const EVP_CIPHER *EVP_des_ede3_ecb(void); 658 const EVP_CIPHER *EVP_des_cfb64(void); 659 # define EVP_des_cfb EVP_des_cfb64 660 const EVP_CIPHER *EVP_des_cfb1(void); 661 const EVP_CIPHER *EVP_des_cfb8(void); 662 const EVP_CIPHER *EVP_des_ede_cfb64(void); 663 # define EVP_des_ede_cfb EVP_des_ede_cfb64 664 const EVP_CIPHER *EVP_des_ede3_cfb64(void); 665 # define EVP_des_ede3_cfb EVP_des_ede3_cfb64 666 const EVP_CIPHER *EVP_des_ede3_cfb1(void); 667 const EVP_CIPHER *EVP_des_ede3_cfb8(void); 668 const EVP_CIPHER *EVP_des_ofb(void); 669 const EVP_CIPHER *EVP_des_ede_ofb(void); 670 const EVP_CIPHER *EVP_des_ede3_ofb(void); 671 const EVP_CIPHER *EVP_des_cbc(void); 672 const EVP_CIPHER *EVP_des_ede_cbc(void); 673 const EVP_CIPHER *EVP_des_ede3_cbc(void); 674 const EVP_CIPHER *EVP_desx_cbc(void); 675 #endif 676 #ifndef OPENSSL_NO_RC4 677 const EVP_CIPHER *EVP_rc4(void); 678 const EVP_CIPHER *EVP_rc4_40(void); 679 #ifndef OPENSSL_NO_MD5 680 const EVP_CIPHER *EVP_rc4_hmac_md5(void); 681 #endif 682 #endif 683 #ifndef OPENSSL_NO_IDEA 684 const EVP_CIPHER *EVP_idea_ecb(void); 685 const EVP_CIPHER *EVP_idea_cfb64(void); 686 # define EVP_idea_cfb EVP_idea_cfb64 687 const EVP_CIPHER *EVP_idea_ofb(void); 688 const EVP_CIPHER *EVP_idea_cbc(void); 689 #endif 690 #ifndef OPENSSL_NO_RC2 691 const EVP_CIPHER *EVP_rc2_ecb(void); 692 const EVP_CIPHER *EVP_rc2_cbc(void); 693 const EVP_CIPHER *EVP_rc2_40_cbc(void); 694 const EVP_CIPHER *EVP_rc2_64_cbc(void); 695 const EVP_CIPHER *EVP_rc2_cfb64(void); 696 # define EVP_rc2_cfb EVP_rc2_cfb64 697 const EVP_CIPHER *EVP_rc2_ofb(void); 698 #endif 699 #ifndef OPENSSL_NO_BF 700 const EVP_CIPHER *EVP_bf_ecb(void); 701 const EVP_CIPHER *EVP_bf_cbc(void); 702 const EVP_CIPHER *EVP_bf_cfb64(void); 703 # define EVP_bf_cfb EVP_bf_cfb64 704 const EVP_CIPHER *EVP_bf_ofb(void); 705 #endif 706 #ifndef OPENSSL_NO_CAST 707 const EVP_CIPHER *EVP_cast5_ecb(void); 708 const EVP_CIPHER *EVP_cast5_cbc(void); 709 const EVP_CIPHER *EVP_cast5_cfb64(void); 710 # define EVP_cast5_cfb EVP_cast5_cfb64 711 const EVP_CIPHER *EVP_cast5_ofb(void); 712 #endif 713 #ifndef OPENSSL_NO_AES 714 const EVP_CIPHER *EVP_aes_128_ecb(void); 715 const EVP_CIPHER *EVP_aes_128_cbc(void); 716 const EVP_CIPHER *EVP_aes_128_cfb1(void); 717 const EVP_CIPHER *EVP_aes_128_cfb8(void); 718 const EVP_CIPHER *EVP_aes_128_cfb128(void); 719 # define EVP_aes_128_cfb EVP_aes_128_cfb128 720 const EVP_CIPHER *EVP_aes_128_ofb(void); 721 const EVP_CIPHER *EVP_aes_128_ctr(void); 722 const EVP_CIPHER *EVP_aes_128_ccm(void); 723 const EVP_CIPHER *EVP_aes_128_gcm(void); 724 const EVP_CIPHER *EVP_aes_128_wrap(void); 725 const EVP_CIPHER *EVP_aes_128_xts(void); 726 const EVP_CIPHER *EVP_aes_192_ecb(void); 727 const EVP_CIPHER *EVP_aes_192_cbc(void); 728 const EVP_CIPHER *EVP_aes_192_cfb1(void); 729 const EVP_CIPHER *EVP_aes_192_cfb8(void); 730 const EVP_CIPHER *EVP_aes_192_cfb128(void); 731 # define EVP_aes_192_cfb EVP_aes_192_cfb128 732 const EVP_CIPHER *EVP_aes_192_ofb(void); 733 const EVP_CIPHER *EVP_aes_192_ctr(void); 734 const EVP_CIPHER *EVP_aes_192_ccm(void); 735 const EVP_CIPHER *EVP_aes_192_gcm(void); 736 const EVP_CIPHER *EVP_aes_192_wrap(void); 737 const EVP_CIPHER *EVP_aes_256_ecb(void); 738 const EVP_CIPHER *EVP_aes_256_cbc(void); 739 const EVP_CIPHER *EVP_aes_256_cfb1(void); 740 const EVP_CIPHER *EVP_aes_256_cfb8(void); 741 const EVP_CIPHER *EVP_aes_256_cfb128(void); 742 # define EVP_aes_256_cfb EVP_aes_256_cfb128 743 const EVP_CIPHER *EVP_aes_256_ofb(void); 744 const EVP_CIPHER *EVP_aes_256_ctr(void); 745 const EVP_CIPHER *EVP_aes_256_ccm(void); 746 const EVP_CIPHER *EVP_aes_256_gcm(void); 747 const EVP_CIPHER *EVP_aes_256_wrap(void); 748 const EVP_CIPHER *EVP_aes_256_xts(void); 749 #if !defined(OPENSSL_NO_CHACHA) && !defined(OPENSSL_NO_POLY1305) 750 const EVP_CIPHER *EVP_chacha20_poly1305(void); 751 #endif 752 #if !defined(OPENSSL_NO_SHA) && !defined(OPENSSL_NO_SHA1) 753 const EVP_CIPHER *EVP_aes_128_cbc_hmac_sha1(void); 754 const EVP_CIPHER *EVP_aes_256_cbc_hmac_sha1(void); 755 #endif 756 #endif 757 #ifndef OPENSSL_NO_CAMELLIA 758 const EVP_CIPHER *EVP_camellia_128_ecb(void); 759 const EVP_CIPHER *EVP_camellia_128_cbc(void); 760 const EVP_CIPHER *EVP_camellia_128_cfb1(void); 761 const EVP_CIPHER *EVP_camellia_128_cfb8(void); 762 const EVP_CIPHER *EVP_camellia_128_cfb128(void); 763 # define EVP_camellia_128_cfb EVP_camellia_128_cfb128 764 const EVP_CIPHER *EVP_camellia_128_ofb(void); 765 const EVP_CIPHER *EVP_camellia_192_ecb(void); 766 const EVP_CIPHER *EVP_camellia_192_cbc(void); 767 const EVP_CIPHER *EVP_camellia_192_cfb1(void); 768 const EVP_CIPHER *EVP_camellia_192_cfb8(void); 769 const EVP_CIPHER *EVP_camellia_192_cfb128(void); 770 # define EVP_camellia_192_cfb EVP_camellia_192_cfb128 771 const EVP_CIPHER *EVP_camellia_192_ofb(void); 772 const EVP_CIPHER *EVP_camellia_256_ecb(void); 773 const EVP_CIPHER *EVP_camellia_256_cbc(void); 774 const EVP_CIPHER *EVP_camellia_256_cfb1(void); 775 const EVP_CIPHER *EVP_camellia_256_cfb8(void); 776 const EVP_CIPHER *EVP_camellia_256_cfb128(void); 777 # define EVP_camellia_256_cfb EVP_camellia_256_cfb128 778 const EVP_CIPHER *EVP_camellia_256_ofb(void); 779 #endif 780 781 #ifndef OPENSSL_NO_CHACHA 782 const EVP_CIPHER *EVP_chacha20(void); 783 #endif 784 785 #ifndef OPENSSL_NO_GOST 786 const EVP_CIPHER *EVP_gost2814789_ecb(void); 787 const EVP_CIPHER *EVP_gost2814789_cfb64(void); 788 const EVP_CIPHER *EVP_gost2814789_cnt(void); 789 #endif 790 791 #ifndef OPENSSL_NO_SM4 792 const EVP_CIPHER *EVP_sm4_ecb(void); 793 const EVP_CIPHER *EVP_sm4_cbc(void); 794 const EVP_CIPHER *EVP_sm4_cfb128(void); 795 #define EVP_sm4_cfb EVP_sm4_cfb128 796 const EVP_CIPHER *EVP_sm4_ofb(void); 797 const EVP_CIPHER *EVP_sm4_ctr(void); 798 #endif 799 800 void OPENSSL_add_all_algorithms_noconf(void); 801 void OPENSSL_add_all_algorithms_conf(void); 802 803 #ifdef OPENSSL_LOAD_CONF 804 #define OpenSSL_add_all_algorithms() OPENSSL_add_all_algorithms_conf() 805 #else 806 #define OpenSSL_add_all_algorithms() OPENSSL_add_all_algorithms_noconf() 807 #endif 808 809 void OpenSSL_add_all_ciphers(void); 810 void OpenSSL_add_all_digests(void); 811 812 #define SSLeay_add_all_algorithms() OpenSSL_add_all_algorithms() 813 #define SSLeay_add_all_ciphers() OpenSSL_add_all_ciphers() 814 #define SSLeay_add_all_digests() OpenSSL_add_all_digests() 815 816 int EVP_add_cipher(const EVP_CIPHER *cipher); 817 int EVP_add_digest(const EVP_MD *digest); 818 819 const EVP_CIPHER *EVP_get_cipherbyname(const char *name); 820 const EVP_MD *EVP_get_digestbyname(const char *name); 821 void EVP_cleanup(void); 822 823 void EVP_CIPHER_do_all(void (*fn)(const EVP_CIPHER *ciph, const char *from, 824 const char *to, void *x), void *arg); 825 void EVP_CIPHER_do_all_sorted(void (*fn)(const EVP_CIPHER *ciph, 826 const char *from, const char *to, void *x), void *arg); 827 828 void EVP_MD_do_all(void (*fn)(const EVP_MD *ciph, const char *from, 829 const char *to, void *x), void *arg); 830 void EVP_MD_do_all_sorted(void (*fn)(const EVP_MD *ciph, const char *from, 831 const char *to, void *x), void *arg); 832 833 int EVP_PKEY_decrypt_old(unsigned char *dec_key, const unsigned char *enc_key, 834 int enc_key_len, EVP_PKEY *private_key); 835 int EVP_PKEY_encrypt_old(unsigned char *enc_key, const unsigned char *key, 836 int key_len, EVP_PKEY *pub_key); 837 int EVP_PKEY_type(int type); 838 int EVP_PKEY_id(const EVP_PKEY *pkey); 839 int EVP_PKEY_base_id(const EVP_PKEY *pkey); 840 int EVP_PKEY_bits(const EVP_PKEY *pkey); 841 int EVP_PKEY_security_bits(const EVP_PKEY *pkey); 842 int EVP_PKEY_size(const EVP_PKEY *pkey); 843 int EVP_PKEY_set_type(EVP_PKEY *pkey, int type); 844 int EVP_PKEY_set_type_str(EVP_PKEY *pkey, const char *str, int len); 845 int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key); 846 void *EVP_PKEY_get0(const EVP_PKEY *pkey); 847 const unsigned char *EVP_PKEY_get0_hmac(const EVP_PKEY *pkey, size_t *len); 848 849 #ifndef OPENSSL_NO_RSA 850 struct rsa_st; 851 struct rsa_st *EVP_PKEY_get0_RSA(EVP_PKEY *pkey); 852 struct rsa_st *EVP_PKEY_get1_RSA(EVP_PKEY *pkey); 853 int EVP_PKEY_set1_RSA(EVP_PKEY *pkey, struct rsa_st *key); 854 #endif 855 #ifndef OPENSSL_NO_DSA 856 struct dsa_st; 857 struct dsa_st *EVP_PKEY_get0_DSA(EVP_PKEY *pkey); 858 struct dsa_st *EVP_PKEY_get1_DSA(EVP_PKEY *pkey); 859 int EVP_PKEY_set1_DSA(EVP_PKEY *pkey, struct dsa_st *key); 860 #endif 861 #ifndef OPENSSL_NO_DH 862 struct dh_st; 863 struct dh_st *EVP_PKEY_get0_DH(EVP_PKEY *pkey); 864 struct dh_st *EVP_PKEY_get1_DH(EVP_PKEY *pkey); 865 int EVP_PKEY_set1_DH(EVP_PKEY *pkey, struct dh_st *key); 866 #endif 867 #ifndef OPENSSL_NO_EC 868 struct ec_key_st; 869 struct ec_key_st *EVP_PKEY_get0_EC_KEY(EVP_PKEY *pkey); 870 struct ec_key_st *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey); 871 int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey, struct ec_key_st *key); 872 #endif 873 #ifndef OPENSSL_NO_GOST 874 struct gost_key_st; 875 #endif 876 877 EVP_PKEY *EVP_PKEY_new(void); 878 void EVP_PKEY_free(EVP_PKEY *pkey); 879 int EVP_PKEY_up_ref(EVP_PKEY *pkey); 880 881 EVP_PKEY *d2i_PublicKey(int type, EVP_PKEY **a, const unsigned char **pp, 882 long length); 883 int i2d_PublicKey(EVP_PKEY *a, unsigned char **pp); 884 885 EVP_PKEY *d2i_PrivateKey(int type, EVP_PKEY **a, const unsigned char **pp, 886 long length); 887 EVP_PKEY *d2i_AutoPrivateKey(EVP_PKEY **a, const unsigned char **pp, 888 long length); 889 int i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp); 890 891 int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from); 892 int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey); 893 int EVP_PKEY_save_parameters(EVP_PKEY *pkey, int mode); 894 int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b); 895 896 int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b); 897 898 int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey, int indent, 899 ASN1_PCTX *pctx); 900 int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey, int indent, 901 ASN1_PCTX *pctx); 902 int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey, int indent, 903 ASN1_PCTX *pctx); 904 905 int EVP_PKEY_get_default_digest_nid(EVP_PKEY *pkey, int *pnid); 906 907 int EVP_CIPHER_type(const EVP_CIPHER *ctx); 908 909 /* calls methods */ 910 int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type); 911 int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type); 912 913 /* These are used by EVP_CIPHER methods */ 914 int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type); 915 int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type); 916 917 /* PKCS5 password based encryption */ 918 int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen, 919 ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md, int en_de); 920 int PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen, 921 const unsigned char *salt, int saltlen, int iter, int keylen, 922 unsigned char *out); 923 int PKCS5_PBKDF2_HMAC(const char *pass, int passlen, const unsigned char *salt, 924 int saltlen, int iter, const EVP_MD *digest, int keylen, 925 unsigned char *out); 926 int PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen, 927 ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md, 928 int en_de); 929 930 void PKCS5_PBE_add(void); 931 932 int EVP_PBE_CipherInit (ASN1_OBJECT *pbe_obj, const char *pass, int passlen, 933 ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de); 934 935 /* PBE type */ 936 937 /* Can appear as the outermost AlgorithmIdentifier */ 938 #define EVP_PBE_TYPE_OUTER 0x0 939 /* Is an PRF type OID */ 940 #define EVP_PBE_TYPE_PRF 0x1 941 942 int EVP_PBE_alg_add_type(int pbe_type, int pbe_nid, int cipher_nid, int md_nid, 943 EVP_PBE_KEYGEN *keygen); 944 int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md, 945 EVP_PBE_KEYGEN *keygen); 946 int EVP_PBE_find(int type, int pbe_nid, int *pcnid, int *pmnid, 947 EVP_PBE_KEYGEN **pkeygen); 948 void EVP_PBE_cleanup(void); 949 950 #define ASN1_PKEY_ALIAS 0x1 951 #define ASN1_PKEY_DYNAMIC 0x2 952 #define ASN1_PKEY_SIGPARAM_NULL 0x4 953 954 #define ASN1_PKEY_CTRL_PKCS7_SIGN 0x1 955 #define ASN1_PKEY_CTRL_PKCS7_ENCRYPT 0x2 956 #define ASN1_PKEY_CTRL_DEFAULT_MD_NID 0x3 957 #define ASN1_PKEY_CTRL_CMS_SIGN 0x5 958 #define ASN1_PKEY_CTRL_CMS_ENVELOPE 0x7 959 #define ASN1_PKEY_CTRL_CMS_RI_TYPE 0x8 960 961 int EVP_PKEY_asn1_get_count(void); 962 const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_get0(int idx); 963 const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find(ENGINE **pe, int type); 964 const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find_str(ENGINE **pe, 965 const char *str, int len); 966 int EVP_PKEY_asn1_add0(const EVP_PKEY_ASN1_METHOD *ameth); 967 int EVP_PKEY_asn1_add_alias(int to, int from); 968 int EVP_PKEY_asn1_get0_info(int *ppkey_id, int *pkey_base_id, int *ppkey_flags, 969 const char **pinfo, const char **ppem_str, 970 const EVP_PKEY_ASN1_METHOD *ameth); 971 972 const EVP_PKEY_ASN1_METHOD* EVP_PKEY_get0_asn1(const EVP_PKEY *pkey); 973 EVP_PKEY_ASN1_METHOD* EVP_PKEY_asn1_new(int id, int flags, const char *pem_str, 974 const char *info); 975 void EVP_PKEY_asn1_copy(EVP_PKEY_ASN1_METHOD *dst, 976 const EVP_PKEY_ASN1_METHOD *src); 977 void EVP_PKEY_asn1_free(EVP_PKEY_ASN1_METHOD *ameth); 978 void EVP_PKEY_asn1_set_public(EVP_PKEY_ASN1_METHOD *ameth, 979 int (*pub_decode)(EVP_PKEY *pk, X509_PUBKEY *pub), 980 int (*pub_encode)(X509_PUBKEY *pub, const EVP_PKEY *pk), 981 int (*pub_cmp)(const EVP_PKEY *a, const EVP_PKEY *b), 982 int (*pub_print)(BIO *out, const EVP_PKEY *pkey, int indent, 983 ASN1_PCTX *pctx), 984 int (*pkey_size)(const EVP_PKEY *pk), 985 int (*pkey_bits)(const EVP_PKEY *pk)); 986 void EVP_PKEY_asn1_set_private(EVP_PKEY_ASN1_METHOD *ameth, 987 int (*priv_decode)(EVP_PKEY *pk, const PKCS8_PRIV_KEY_INFO *p8inf), 988 int (*priv_encode)(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pk), 989 int (*priv_print)(BIO *out, const EVP_PKEY *pkey, int indent, 990 ASN1_PCTX *pctx)); 991 void EVP_PKEY_asn1_set_param(EVP_PKEY_ASN1_METHOD *ameth, 992 int (*param_decode)(EVP_PKEY *pkey, const unsigned char **pder, int derlen), 993 int (*param_encode)(const EVP_PKEY *pkey, unsigned char **pder), 994 int (*param_missing)(const EVP_PKEY *pk), 995 int (*param_copy)(EVP_PKEY *to, const EVP_PKEY *from), 996 int (*param_cmp)(const EVP_PKEY *a, const EVP_PKEY *b), 997 int (*param_print)(BIO *out, const EVP_PKEY *pkey, int indent, 998 ASN1_PCTX *pctx)); 999 1000 void EVP_PKEY_asn1_set_free(EVP_PKEY_ASN1_METHOD *ameth, 1001 void (*pkey_free)(EVP_PKEY *pkey)); 1002 void EVP_PKEY_asn1_set_ctrl(EVP_PKEY_ASN1_METHOD *ameth, 1003 int (*pkey_ctrl)(EVP_PKEY *pkey, int op, long arg1, void *arg2)); 1004 void EVP_PKEY_asn1_set_security_bits(EVP_PKEY_ASN1_METHOD *ameth, 1005 int (*pkey_security_bits)(const EVP_PKEY *pkey)); 1006 1007 void EVP_PKEY_asn1_set_check(EVP_PKEY_ASN1_METHOD *ameth, 1008 int (*pkey_check)(const EVP_PKEY *pk)); 1009 void EVP_PKEY_asn1_set_public_check(EVP_PKEY_ASN1_METHOD *ameth, 1010 int (*pkey_public_check)(const EVP_PKEY *pk)); 1011 void EVP_PKEY_asn1_set_param_check(EVP_PKEY_ASN1_METHOD *ameth, 1012 int (*pkey_check)(const EVP_PKEY *pk)); 1013 1014 #define EVP_PKEY_OP_UNDEFINED 0 1015 #define EVP_PKEY_OP_PARAMGEN (1<<1) 1016 #define EVP_PKEY_OP_KEYGEN (1<<2) 1017 #define EVP_PKEY_OP_SIGN (1<<3) 1018 #define EVP_PKEY_OP_VERIFY (1<<4) 1019 #define EVP_PKEY_OP_VERIFYRECOVER (1<<5) 1020 #define EVP_PKEY_OP_SIGNCTX (1<<6) 1021 #define EVP_PKEY_OP_VERIFYCTX (1<<7) 1022 #define EVP_PKEY_OP_ENCRYPT (1<<8) 1023 #define EVP_PKEY_OP_DECRYPT (1<<9) 1024 #define EVP_PKEY_OP_DERIVE (1<<10) 1025 1026 #define EVP_PKEY_OP_TYPE_SIG \ 1027 (EVP_PKEY_OP_SIGN | EVP_PKEY_OP_VERIFY | EVP_PKEY_OP_VERIFYRECOVER \ 1028 | EVP_PKEY_OP_SIGNCTX | EVP_PKEY_OP_VERIFYCTX) 1029 1030 #define EVP_PKEY_OP_TYPE_CRYPT \ 1031 (EVP_PKEY_OP_ENCRYPT | EVP_PKEY_OP_DECRYPT) 1032 1033 #define EVP_PKEY_OP_TYPE_NOGEN \ 1034 (EVP_PKEY_OP_SIG | EVP_PKEY_OP_CRYPT | EVP_PKEY_OP_DERIVE) 1035 1036 #define EVP_PKEY_OP_TYPE_GEN \ 1037 (EVP_PKEY_OP_PARAMGEN | EVP_PKEY_OP_KEYGEN) 1038 1039 #define EVP_PKEY_CTX_set_signature_md(ctx, md) \ 1040 EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG, \ 1041 EVP_PKEY_CTRL_MD, 0, (void *)md) 1042 1043 #define EVP_PKEY_CTX_get_signature_md(ctx, pmd) \ 1044 EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG, \ 1045 EVP_PKEY_CTRL_GET_MD, 0, (void *)(pmd)) 1046 1047 #define EVP_PKEY_CTRL_MD 1 1048 #define EVP_PKEY_CTRL_PEER_KEY 2 1049 1050 #define EVP_PKEY_CTRL_PKCS7_ENCRYPT 3 1051 #define EVP_PKEY_CTRL_PKCS7_DECRYPT 4 1052 1053 #define EVP_PKEY_CTRL_PKCS7_SIGN 5 1054 1055 #define EVP_PKEY_CTRL_SET_MAC_KEY 6 1056 1057 #define EVP_PKEY_CTRL_DIGESTINIT 7 1058 1059 /* Used by GOST key encryption in TLS */ 1060 #define EVP_PKEY_CTRL_SET_IV 8 1061 1062 #define EVP_PKEY_CTRL_CMS_ENCRYPT 9 1063 #define EVP_PKEY_CTRL_CMS_DECRYPT 10 1064 #define EVP_PKEY_CTRL_CMS_SIGN 11 1065 1066 #define EVP_PKEY_CTRL_CIPHER 12 1067 1068 #define EVP_PKEY_CTRL_GET_MD 13 1069 1070 #define EVP_PKEY_ALG_CTRL 0x1000 1071 1072 1073 #define EVP_PKEY_FLAG_AUTOARGLEN 2 1074 /* Method handles all operations: don't assume any digest related 1075 * defaults. 1076 */ 1077 #define EVP_PKEY_FLAG_SIGCTX_CUSTOM 4 1078 1079 const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type); 1080 EVP_PKEY_METHOD* EVP_PKEY_meth_new(int id, int flags); 1081 void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags, 1082 const EVP_PKEY_METHOD *meth); 1083 void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src); 1084 void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth); 1085 int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth); 1086 1087 EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e); 1088 EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e); 1089 EVP_PKEY_CTX *EVP_PKEY_CTX_dup(EVP_PKEY_CTX *ctx); 1090 void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx); 1091 1092 int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype, int cmd, 1093 int p1, void *p2); 1094 int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx, const char *type, 1095 const char *value); 1096 1097 int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx); 1098 void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen); 1099 1100 EVP_PKEY *EVP_PKEY_new_mac_key(int type, ENGINE *e, const unsigned char *key, 1101 int keylen); 1102 EVP_PKEY *EVP_PKEY_new_CMAC_key(ENGINE *e, const unsigned char *priv, 1103 size_t len, const EVP_CIPHER *cipher); 1104 1105 void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data); 1106 void *EVP_PKEY_CTX_get_data(EVP_PKEY_CTX *ctx); 1107 EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx); 1108 1109 EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx); 1110 1111 void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data); 1112 void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx); 1113 1114 int EVP_PKEY_sign_init(EVP_PKEY_CTX *ctx); 1115 int EVP_PKEY_sign(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, 1116 const unsigned char *tbs, size_t tbslen); 1117 int EVP_PKEY_verify_init(EVP_PKEY_CTX *ctx); 1118 int EVP_PKEY_verify(EVP_PKEY_CTX *ctx, const unsigned char *sig, size_t siglen, 1119 const unsigned char *tbs, size_t tbslen); 1120 int EVP_PKEY_verify_recover_init(EVP_PKEY_CTX *ctx); 1121 int EVP_PKEY_verify_recover(EVP_PKEY_CTX *ctx, unsigned char *rout, 1122 size_t *routlen, const unsigned char *sig, size_t siglen); 1123 int EVP_PKEY_encrypt_init(EVP_PKEY_CTX *ctx); 1124 int EVP_PKEY_encrypt(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, 1125 const unsigned char *in, size_t inlen); 1126 int EVP_PKEY_decrypt_init(EVP_PKEY_CTX *ctx); 1127 int EVP_PKEY_decrypt(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, 1128 const unsigned char *in, size_t inlen); 1129 1130 int EVP_PKEY_derive_init(EVP_PKEY_CTX *ctx); 1131 int EVP_PKEY_derive_set_peer(EVP_PKEY_CTX *ctx, EVP_PKEY *peer); 1132 int EVP_PKEY_derive(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen); 1133 1134 typedef int EVP_PKEY_gen_cb(EVP_PKEY_CTX *ctx); 1135 1136 int EVP_PKEY_paramgen_init(EVP_PKEY_CTX *ctx); 1137 int EVP_PKEY_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey); 1138 int EVP_PKEY_keygen_init(EVP_PKEY_CTX *ctx); 1139 int EVP_PKEY_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey); 1140 int EVP_PKEY_check(EVP_PKEY_CTX *ctx); 1141 int EVP_PKEY_public_check(EVP_PKEY_CTX *ctx); 1142 int EVP_PKEY_param_check(EVP_PKEY_CTX *ctx); 1143 1144 void EVP_PKEY_CTX_set_cb(EVP_PKEY_CTX *ctx, EVP_PKEY_gen_cb *cb); 1145 EVP_PKEY_gen_cb *EVP_PKEY_CTX_get_cb(EVP_PKEY_CTX *ctx); 1146 1147 int EVP_PKEY_CTX_get_keygen_info(EVP_PKEY_CTX *ctx, int idx); 1148 1149 void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth, 1150 int (*init)(EVP_PKEY_CTX *ctx)); 1151 1152 void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth, 1153 int (*copy)(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)); 1154 1155 void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth, 1156 void (*cleanup)(EVP_PKEY_CTX *ctx)); 1157 1158 void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth, 1159 int (*paramgen_init)(EVP_PKEY_CTX *ctx), 1160 int (*paramgen)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)); 1161 1162 void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth, 1163 int (*keygen_init)(EVP_PKEY_CTX *ctx), 1164 int (*keygen)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)); 1165 1166 void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth, 1167 int (*sign_init)(EVP_PKEY_CTX *ctx), 1168 int (*sign)(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, 1169 const unsigned char *tbs, size_t tbslen)); 1170 1171 void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth, 1172 int (*verify_init)(EVP_PKEY_CTX *ctx), 1173 int (*verify)(EVP_PKEY_CTX *ctx, const unsigned char *sig, size_t siglen, 1174 const unsigned char *tbs, size_t tbslen)); 1175 1176 void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth, 1177 int (*verify_recover_init)(EVP_PKEY_CTX *ctx), 1178 int (*verify_recover)(EVP_PKEY_CTX *ctx, unsigned char *sig, 1179 size_t *siglen, const unsigned char *tbs, size_t tbslen)); 1180 1181 void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth, 1182 int (*signctx_init)(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx), 1183 int (*signctx)(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, 1184 EVP_MD_CTX *mctx)); 1185 1186 void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth, 1187 int (*verifyctx_init)(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx), 1188 int (*verifyctx)(EVP_PKEY_CTX *ctx, const unsigned char *sig, int siglen, 1189 EVP_MD_CTX *mctx)); 1190 1191 void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth, 1192 int (*encrypt_init)(EVP_PKEY_CTX *ctx), 1193 int (*encryptfn)(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, 1194 const unsigned char *in, size_t inlen)); 1195 1196 void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth, 1197 int (*decrypt_init)(EVP_PKEY_CTX *ctx), 1198 int (*decrypt)(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, 1199 const unsigned char *in, size_t inlen)); 1200 1201 void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth, 1202 int (*derive_init)(EVP_PKEY_CTX *ctx), 1203 int (*derive)(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen)); 1204 1205 void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth, 1206 int (*ctrl)(EVP_PKEY_CTX *ctx, int type, int p1, void *p2), 1207 int (*ctrl_str)(EVP_PKEY_CTX *ctx, const char *type, const char *value)); 1208 1209 void EVP_PKEY_meth_set_check(EVP_PKEY_METHOD *pmeth, 1210 int (*check)(EVP_PKEY *pkey)); 1211 void EVP_PKEY_meth_set_public_check(EVP_PKEY_METHOD *pmeth, 1212 int (*public_check)(EVP_PKEY *pkey)); 1213 void EVP_PKEY_meth_set_param_check(EVP_PKEY_METHOD *pmeth, 1214 int (*param_check)(EVP_PKEY *pkey)); 1215 1216 /* Authenticated Encryption with Additional Data. 1217 * 1218 * AEAD couples confidentiality and integrity in a single primtive. AEAD 1219 * algorithms take a key and then can seal and open individual messages. Each 1220 * message has a unique, per-message nonce and, optionally, additional data 1221 * which is authenticated but not included in the output. */ 1222 1223 typedef struct evp_aead_st EVP_AEAD; 1224 1225 #ifndef OPENSSL_NO_AES 1226 /* EVP_aes_128_gcm is AES-128 in Galois Counter Mode. */ 1227 const EVP_AEAD *EVP_aead_aes_128_gcm(void); 1228 /* EVP_aes_256_gcm is AES-256 in Galois Counter Mode. */ 1229 const EVP_AEAD *EVP_aead_aes_256_gcm(void); 1230 #endif 1231 1232 #if !defined(OPENSSL_NO_CHACHA) && !defined(OPENSSL_NO_POLY1305) 1233 /* EVP_aead_chacha20_poly1305 is ChaCha20 with a Poly1305 authenticator. */ 1234 const EVP_AEAD *EVP_aead_chacha20_poly1305(void); 1235 /* EVP_aead_xchacha20_poly1305 is XChaCha20 with a Poly1305 authenticator. */ 1236 const EVP_AEAD *EVP_aead_xchacha20_poly1305(void); 1237 #endif 1238 1239 /* EVP_AEAD_key_length returns the length of the keys used. */ 1240 size_t EVP_AEAD_key_length(const EVP_AEAD *aead); 1241 1242 /* EVP_AEAD_nonce_length returns the length of the per-message nonce. */ 1243 size_t EVP_AEAD_nonce_length(const EVP_AEAD *aead); 1244 1245 /* EVP_AEAD_max_overhead returns the maximum number of additional bytes added 1246 * by the act of sealing data with the AEAD. */ 1247 size_t EVP_AEAD_max_overhead(const EVP_AEAD *aead); 1248 1249 /* EVP_AEAD_max_tag_len returns the maximum tag length when using this AEAD. 1250 * This * is the largest value that can be passed as a tag length to 1251 * EVP_AEAD_CTX_init. */ 1252 size_t EVP_AEAD_max_tag_len(const EVP_AEAD *aead); 1253 1254 /* An EVP_AEAD_CTX represents an AEAD algorithm configured with a specific key 1255 * and message-independent IV. */ 1256 typedef struct evp_aead_ctx_st EVP_AEAD_CTX; 1257 1258 /* EVP_AEAD_MAX_TAG_LENGTH is the maximum tag length used by any AEAD 1259 * defined in this header. */ 1260 #define EVP_AEAD_MAX_TAG_LENGTH 16 1261 1262 /* EVP_AEAD_DEFAULT_TAG_LENGTH is a magic value that can be passed to 1263 * EVP_AEAD_CTX_init to indicate that the default tag length for an AEAD 1264 * should be used. */ 1265 #define EVP_AEAD_DEFAULT_TAG_LENGTH 0 1266 1267 /* EVP_AEAD_CTX_new allocates a new context for use with EVP_AEAD_CTX_init. 1268 * It can be cleaned up for reuse with EVP_AEAD_CTX_cleanup and must be freed 1269 * with EVP_AEAD_CTX_free. */ 1270 EVP_AEAD_CTX *EVP_AEAD_CTX_new(void); 1271 1272 /* EVP_AEAD_CTX_free releases all memory owned by the context. */ 1273 void EVP_AEAD_CTX_free(EVP_AEAD_CTX *ctx); 1274 1275 /* EVP_AEAD_CTX_init initializes the context for the given AEAD algorithm. 1276 * The implementation argument may be NULL to choose the default implementation. 1277 * Authentication tags may be truncated by passing a tag length. A tag length 1278 * of zero indicates the default tag length should be used. */ 1279 int EVP_AEAD_CTX_init(EVP_AEAD_CTX *ctx, const EVP_AEAD *aead, 1280 const unsigned char *key, size_t key_len, size_t tag_len, ENGINE *impl); 1281 1282 /* EVP_AEAD_CTX_cleanup frees any data allocated for this context. */ 1283 void EVP_AEAD_CTX_cleanup(EVP_AEAD_CTX *ctx); 1284 1285 /* EVP_AEAD_CTX_seal encrypts and authenticates the input and authenticates 1286 * any additional data (AD), the result being written as output. One is 1287 * returned on success, otherwise zero. 1288 * 1289 * This function may be called (with the same EVP_AEAD_CTX) concurrently with 1290 * itself or EVP_AEAD_CTX_open. 1291 * 1292 * At most max_out_len bytes are written as output and, in order to ensure 1293 * success, this value should be the length of the input plus the result of 1294 * EVP_AEAD_overhead. On successful return, out_len is set to the actual 1295 * number of bytes written. 1296 * 1297 * The length of the nonce is must be equal to the result of 1298 * EVP_AEAD_nonce_length for this AEAD. 1299 * 1300 * EVP_AEAD_CTX_seal never results in a partial output. If max_out_len is 1301 * insufficient, zero will be returned and out_len will be set to zero. 1302 * 1303 * If the input and output are aliased then out must be <= in. */ 1304 int EVP_AEAD_CTX_seal(const EVP_AEAD_CTX *ctx, unsigned char *out, 1305 size_t *out_len, size_t max_out_len, const unsigned char *nonce, 1306 size_t nonce_len, const unsigned char *in, size_t in_len, 1307 const unsigned char *ad, size_t ad_len); 1308 1309 /* EVP_AEAD_CTX_open authenticates the input and additional data, decrypting 1310 * the input and writing it as output. One is returned on success, otherwise 1311 * zero. 1312 * 1313 * This function may be called (with the same EVP_AEAD_CTX) concurrently with 1314 * itself or EVP_AEAD_CTX_seal. 1315 * 1316 * At most the number of input bytes are written as output. In order to ensure 1317 * success, max_out_len should be at least the same as the input length. On 1318 * successful return out_len is set to the actual number of bytes written. 1319 * 1320 * The length of nonce must be equal to the result of EVP_AEAD_nonce_length 1321 * for this AEAD. 1322 * 1323 * EVP_AEAD_CTX_open never results in a partial output. If max_out_len is 1324 * insufficient, zero will be returned and out_len will be set to zero. 1325 * 1326 * If the input and output are aliased then out must be <= in. */ 1327 int EVP_AEAD_CTX_open(const EVP_AEAD_CTX *ctx, unsigned char *out, 1328 size_t *out_len, size_t max_out_len, const unsigned char *nonce, 1329 size_t nonce_len, const unsigned char *in, size_t in_len, 1330 const unsigned char *ad, size_t ad_len); 1331 1332 void EVP_add_alg_module(void); 1333 1334 void ERR_load_EVP_strings(void); 1335 1336 /* Error codes for the EVP functions. */ 1337 1338 /* Function codes. */ 1339 #define EVP_F_AEAD_AES_GCM_INIT 187 1340 #define EVP_F_AEAD_AES_GCM_OPEN 188 1341 #define EVP_F_AEAD_AES_GCM_SEAL 189 1342 #define EVP_F_AEAD_CHACHA20_POLY1305_INIT 192 1343 #define EVP_F_AEAD_CHACHA20_POLY1305_OPEN 193 1344 #define EVP_F_AEAD_CHACHA20_POLY1305_SEAL 194 1345 #define EVP_F_AEAD_CTX_OPEN 185 1346 #define EVP_F_AEAD_CTX_SEAL 186 1347 #define EVP_F_AESNI_INIT_KEY 165 1348 #define EVP_F_AESNI_XTS_CIPHER 176 1349 #define EVP_F_AES_INIT_KEY 133 1350 #define EVP_F_AES_XTS 172 1351 #define EVP_F_AES_XTS_CIPHER 175 1352 #define EVP_F_ALG_MODULE_INIT 177 1353 #define EVP_F_CAMELLIA_INIT_KEY 159 1354 #define EVP_F_CMAC_INIT 173 1355 #define EVP_F_D2I_PKEY 100 1356 #define EVP_F_DO_SIGVER_INIT 161 1357 #define EVP_F_DSAPKEY2PKCS8 134 1358 #define EVP_F_DSA_PKEY2PKCS8 135 1359 #define EVP_F_ECDSA_PKEY2PKCS8 129 1360 #define EVP_F_ECKEY_PKEY2PKCS8 132 1361 #define EVP_F_EVP_AEAD_CTX_INIT 180 1362 #define EVP_F_EVP_AEAD_CTX_OPEN 190 1363 #define EVP_F_EVP_AEAD_CTX_SEAL 191 1364 #define EVP_F_EVP_BYTESTOKEY 200 1365 #define EVP_F_EVP_CIPHERINIT_EX 123 1366 #define EVP_F_EVP_CIPHER_CTX_COPY 163 1367 #define EVP_F_EVP_CIPHER_CTX_CTRL 124 1368 #define EVP_F_EVP_CIPHER_CTX_SET_KEY_LENGTH 122 1369 #define EVP_F_EVP_CIPHER_GET_ASN1_IV 201 1370 #define EVP_F_EVP_CIPHER_SET_ASN1_IV 202 1371 #define EVP_F_EVP_DECRYPTFINAL_EX 101 1372 #define EVP_F_EVP_DECRYPTUPDATE 199 1373 #define EVP_F_EVP_DIGESTFINAL_EX 196 1374 #define EVP_F_EVP_DIGESTINIT_EX 128 1375 #define EVP_F_EVP_ENCRYPTFINAL_EX 127 1376 #define EVP_F_EVP_ENCRYPTUPDATE 198 1377 #define EVP_F_EVP_MD_CTX_COPY_EX 110 1378 #define EVP_F_EVP_MD_CTX_CTRL 195 1379 #define EVP_F_EVP_MD_SIZE 162 1380 #define EVP_F_EVP_OPENINIT 102 1381 #define EVP_F_EVP_PBE_ALG_ADD 115 1382 #define EVP_F_EVP_PBE_ALG_ADD_TYPE 160 1383 #define EVP_F_EVP_PBE_CIPHERINIT 116 1384 #define EVP_F_EVP_PKCS82PKEY 111 1385 #define EVP_F_EVP_PKCS82PKEY_BROKEN 136 1386 #define EVP_F_EVP_PKEY2PKCS8_BROKEN 113 1387 #define EVP_F_EVP_PKEY_COPY_PARAMETERS 103 1388 #define EVP_F_EVP_PKEY_CTX_CTRL 137 1389 #define EVP_F_EVP_PKEY_CTX_CTRL_STR 150 1390 #define EVP_F_EVP_PKEY_CTX_DUP 156 1391 #define EVP_F_EVP_PKEY_DECRYPT 104 1392 #define EVP_F_EVP_PKEY_DECRYPT_INIT 138 1393 #define EVP_F_EVP_PKEY_DECRYPT_OLD 151 1394 #define EVP_F_EVP_PKEY_DERIVE 153 1395 #define EVP_F_EVP_PKEY_DERIVE_INIT 154 1396 #define EVP_F_EVP_PKEY_DERIVE_SET_PEER 155 1397 #define EVP_F_EVP_PKEY_ENCRYPT 105 1398 #define EVP_F_EVP_PKEY_ENCRYPT_INIT 139 1399 #define EVP_F_EVP_PKEY_ENCRYPT_OLD 152 1400 #define EVP_F_EVP_PKEY_GET1_DH 119 1401 #define EVP_F_EVP_PKEY_GET1_DSA 120 1402 #define EVP_F_EVP_PKEY_GET1_ECDSA 130 1403 #define EVP_F_EVP_PKEY_GET1_EC_KEY 131 1404 #define EVP_F_EVP_PKEY_GET1_RSA 121 1405 #define EVP_F_EVP_PKEY_KEYGEN 146 1406 #define EVP_F_EVP_PKEY_KEYGEN_INIT 147 1407 #define EVP_F_EVP_PKEY_NEW 106 1408 #define EVP_F_EVP_PKEY_PARAMGEN 148 1409 #define EVP_F_EVP_PKEY_PARAMGEN_INIT 149 1410 #define EVP_F_EVP_PKEY_SIGN 140 1411 #define EVP_F_EVP_PKEY_SIGN_INIT 141 1412 #define EVP_F_EVP_PKEY_VERIFY 142 1413 #define EVP_F_EVP_PKEY_VERIFY_INIT 143 1414 #define EVP_F_EVP_PKEY_VERIFY_RECOVER 144 1415 #define EVP_F_EVP_PKEY_VERIFY_RECOVER_INIT 145 1416 #define EVP_F_EVP_RIJNDAEL 126 1417 #define EVP_F_EVP_SIGNFINAL 107 1418 #define EVP_F_EVP_VERIFYFINAL 108 1419 #define EVP_F_FIPS_CIPHERINIT 166 1420 #define EVP_F_FIPS_CIPHER_CTX_COPY 170 1421 #define EVP_F_FIPS_CIPHER_CTX_CTRL 167 1422 #define EVP_F_FIPS_CIPHER_CTX_SET_KEY_LENGTH 171 1423 #define EVP_F_FIPS_DIGESTINIT 168 1424 #define EVP_F_FIPS_MD_CTX_COPY 169 1425 #define EVP_F_HMAC_INIT_EX 174 1426 #define EVP_F_INT_CTX_NEW 157 1427 #define EVP_F_PKCS5_PBE_KEYIVGEN 117 1428 #define EVP_F_PKCS5_V2_PBE_KEYIVGEN 118 1429 #define EVP_F_PKCS5_V2_PBKDF2_KEYIVGEN 164 1430 #define EVP_F_PKCS8_SET_BROKEN 112 1431 #define EVP_F_PKEY_SET_TYPE 158 1432 #define EVP_F_RC2_GET_ASN1_TYPE_AND_IV 197 1433 #define EVP_F_RC2_MAGIC_TO_METH 109 1434 #define EVP_F_RC5_CTRL 125 1435 1436 /* Reason codes. */ 1437 #define EVP_R_AES_IV_SETUP_FAILED 162 1438 #define EVP_R_AES_KEY_SETUP_FAILED 143 1439 #define EVP_R_ASN1_LIB 140 1440 #define EVP_R_BAD_BLOCK_LENGTH 136 1441 #define EVP_R_BAD_DECRYPT 100 1442 #define EVP_R_BAD_KEY_LENGTH 137 1443 #define EVP_R_BN_DECODE_ERROR 112 1444 #define EVP_R_BN_PUBKEY_ERROR 113 1445 #define EVP_R_BUFFER_TOO_SMALL 155 1446 #define EVP_R_CAMELLIA_KEY_SETUP_FAILED 157 1447 #define EVP_R_CIPHER_PARAMETER_ERROR 122 1448 #define EVP_R_COMMAND_NOT_SUPPORTED 147 1449 #define EVP_R_CTRL_NOT_IMPLEMENTED 132 1450 #define EVP_R_CTRL_OPERATION_NOT_IMPLEMENTED 133 1451 #define EVP_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH 138 1452 #define EVP_R_DECODE_ERROR 114 1453 #define EVP_R_DIFFERENT_KEY_TYPES 101 1454 #define EVP_R_DIFFERENT_PARAMETERS 153 1455 #define EVP_R_DISABLED_FOR_FIPS 163 1456 #define EVP_R_ENCODE_ERROR 115 1457 #define EVP_R_ERROR_LOADING_SECTION 165 1458 #define EVP_R_ERROR_SETTING_FIPS_MODE 166 1459 #define EVP_R_EVP_PBE_CIPHERINIT_ERROR 119 1460 #define EVP_R_EXPECTING_AN_HMAC_KEY 174 1461 #define EVP_R_EXPECTING_AN_RSA_KEY 127 1462 #define EVP_R_EXPECTING_A_DH_KEY 128 1463 #define EVP_R_EXPECTING_A_DSA_KEY 129 1464 #define EVP_R_EXPECTING_A_ECDSA_KEY 141 1465 #define EVP_R_EXPECTING_A_EC_KEY 142 1466 #define EVP_R_FIPS_MODE_NOT_SUPPORTED 167 1467 #define EVP_R_GET_RAW_KEY_FAILED 182 1468 #define EVP_R_INITIALIZATION_ERROR 134 1469 #define EVP_R_INPUT_NOT_INITIALIZED 111 1470 #define EVP_R_INVALID_DIGEST 152 1471 #define EVP_R_INVALID_FIPS_MODE 168 1472 #define EVP_R_INVALID_IV_LENGTH 194 1473 #define EVP_R_INVALID_KEY_LENGTH 130 1474 #define EVP_R_INVALID_OPERATION 148 1475 #define EVP_R_IV_TOO_LARGE 102 1476 #define EVP_R_KEYGEN_FAILURE 120 1477 #define EVP_R_KEY_SETUP_FAILED 180 1478 #define EVP_R_MESSAGE_DIGEST_IS_NULL 159 1479 #define EVP_R_METHOD_NOT_SUPPORTED 144 1480 #define EVP_R_MISSING_PARAMETERS 103 1481 #define EVP_R_NO_CIPHER_SET 131 1482 #define EVP_R_NO_DEFAULT_DIGEST 158 1483 #define EVP_R_NO_DIGEST_SET 139 1484 #define EVP_R_NO_DSA_PARAMETERS 116 1485 #define EVP_R_NO_KEY_SET 154 1486 #define EVP_R_NO_OPERATION_SET 149 1487 #define EVP_R_NO_SIGN_FUNCTION_CONFIGURED 104 1488 #define EVP_R_NO_VERIFY_FUNCTION_CONFIGURED 105 1489 #define EVP_R_ONLY_ONESHOT_SUPPORTED 177 1490 #define EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE 150 1491 #define EVP_R_OPERATON_NOT_INITIALIZED 151 1492 #define EVP_R_OUTPUT_ALIASES_INPUT 172 1493 #define EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE 117 1494 #define EVP_R_PRIVATE_KEY_DECODE_ERROR 145 1495 #define EVP_R_PRIVATE_KEY_ENCODE_ERROR 146 1496 #define EVP_R_PUBLIC_KEY_NOT_RSA 106 1497 #define EVP_R_TAG_TOO_LARGE 171 1498 #define EVP_R_TOO_LARGE 164 1499 #define EVP_R_UNKNOWN_CIPHER 160 1500 #define EVP_R_UNKNOWN_DIGEST 161 1501 #define EVP_R_UNKNOWN_OPTION 169 1502 #define EVP_R_UNKNOWN_PBE_ALGORITHM 121 1503 #define EVP_R_UNSUPORTED_NUMBER_OF_ROUNDS 135 1504 #define EVP_R_UNSUPPORTED_ALGORITHM 156 1505 #define EVP_R_UNSUPPORTED_CIPHER 107 1506 #define EVP_R_UNSUPPORTED_KEYLENGTH 123 1507 #define EVP_R_UNSUPPORTED_KEY_DERIVATION_FUNCTION 124 1508 #define EVP_R_UNSUPPORTED_KEY_SIZE 108 1509 #define EVP_R_UNSUPPORTED_PRF 125 1510 #define EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM 118 1511 #define EVP_R_WRAP_MODE_NOT_ALLOWED 170 1512 #define EVP_R_UNSUPPORTED_SALT_TYPE 126 1513 #define EVP_R_WRONG_FINAL_BLOCK_LENGTH 109 1514 #define EVP_R_WRONG_PUBLIC_KEY_TYPE 110 1515 1516 #ifdef __cplusplus 1517 } 1518 #endif 1519 #endif 1520