1 /* $OpenBSD: evp.h,v 1.52 2017/02/28 14:15:37 jsing 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_RSA2 NID_rsa 103 #define EVP_PKEY_DSA NID_dsa 104 #define EVP_PKEY_DSA1 NID_dsa_2 105 #define EVP_PKEY_DSA2 NID_dsaWithSHA 106 #define EVP_PKEY_DSA3 NID_dsaWithSHA1 107 #define EVP_PKEY_DSA4 NID_dsaWithSHA1_2 108 #define EVP_PKEY_DH NID_dhKeyAgreement 109 #define EVP_PKEY_EC NID_X9_62_id_ecPublicKey 110 #define EVP_PKEY_GOSTR01 NID_id_GostR3410_2001 111 #define EVP_PKEY_GOSTIMIT NID_id_Gost28147_89_MAC 112 #define EVP_PKEY_HMAC NID_hmac 113 #define EVP_PKEY_CMAC NID_cmac 114 #define EVP_PKEY_GOSTR12_256 NID_id_tc26_gost3410_2012_256 115 #define EVP_PKEY_GOSTR12_512 NID_id_tc26_gost3410_2012_512 116 117 #ifdef __cplusplus 118 extern "C" { 119 #endif 120 121 /* Type needs to be a bit field 122 * Sub-type needs to be for variations on the method, as in, can it do 123 * arbitrary encryption.... */ 124 struct evp_pkey_st { 125 int type; 126 int save_type; 127 int references; 128 const EVP_PKEY_ASN1_METHOD *ameth; 129 ENGINE *engine; 130 union { 131 char *ptr; 132 #ifndef OPENSSL_NO_RSA 133 struct rsa_st *rsa; /* RSA */ 134 #endif 135 #ifndef OPENSSL_NO_DSA 136 struct dsa_st *dsa; /* DSA */ 137 #endif 138 #ifndef OPENSSL_NO_DH 139 struct dh_st *dh; /* DH */ 140 #endif 141 #ifndef OPENSSL_NO_EC 142 struct ec_key_st *ec; /* ECC */ 143 #endif 144 #ifndef OPENSSL_NO_GOST 145 struct gost_key_st *gost; /* GOST */ 146 #endif 147 } pkey; 148 int save_parameters; 149 STACK_OF(X509_ATTRIBUTE) *attributes; /* [ 0 ] */ 150 } /* EVP_PKEY */; 151 152 #define EVP_PKEY_MO_SIGN 0x0001 153 #define EVP_PKEY_MO_VERIFY 0x0002 154 #define EVP_PKEY_MO_ENCRYPT 0x0004 155 #define EVP_PKEY_MO_DECRYPT 0x0008 156 157 typedef int evp_sign_method(int type, const unsigned char *m, 158 unsigned int m_length, unsigned char *sigret, unsigned int *siglen, 159 void *key); 160 typedef int evp_verify_method(int type, const unsigned char *m, 161 unsigned int m_length, const unsigned char *sigbuf, unsigned int siglen, 162 void *key); 163 164 #ifndef EVP_MD 165 struct env_md_st { 166 int type; 167 int pkey_type; 168 int md_size; 169 unsigned long flags; 170 int (*init)(EVP_MD_CTX *ctx); 171 int (*update)(EVP_MD_CTX *ctx, const void *data, size_t count); 172 int (*final)(EVP_MD_CTX *ctx, unsigned char *md); 173 int (*copy)(EVP_MD_CTX *to, const EVP_MD_CTX *from); 174 int (*cleanup)(EVP_MD_CTX *ctx); 175 176 evp_sign_method *sign; 177 evp_verify_method *verify; 178 int required_pkey_type[5]; /*EVP_PKEY_xxx */ 179 int block_size; 180 int ctx_size; /* how big does the ctx->md_data need to be */ 181 /* control function */ 182 int (*md_ctrl)(EVP_MD_CTX *ctx, int cmd, int p1, void *p2); 183 } /* EVP_MD */; 184 185 #define EVP_MD_FLAG_ONESHOT 0x0001 /* digest can only handle a single 186 * block */ 187 188 #define EVP_MD_FLAG_PKEY_DIGEST 0x0002 /* digest is a "clone" digest used 189 * which is a copy of an existing 190 * one for a specific public key type. 191 * EVP_dss1() etc */ 192 193 /* Digest uses EVP_PKEY_METHOD for signing instead of MD specific signing */ 194 195 #define EVP_MD_FLAG_PKEY_METHOD_SIGNATURE 0x0004 196 197 /* DigestAlgorithmIdentifier flags... */ 198 199 #define EVP_MD_FLAG_DIGALGID_MASK 0x0018 200 201 /* NULL or absent parameter accepted. Use NULL */ 202 203 #define EVP_MD_FLAG_DIGALGID_NULL 0x0000 204 205 /* NULL or absent parameter accepted. Use NULL for PKCS#1 otherwise absent */ 206 207 #define EVP_MD_FLAG_DIGALGID_ABSENT 0x0008 208 209 /* Custom handling via ctrl */ 210 211 #define EVP_MD_FLAG_DIGALGID_CUSTOM 0x0018 212 213 #define EVP_MD_FLAG_FIPS 0x0400 /* Note if suitable for use in FIPS mode */ 214 215 /* Digest ctrls */ 216 217 #define EVP_MD_CTRL_DIGALGID 0x1 218 #define EVP_MD_CTRL_MICALG 0x2 219 #define EVP_MD_CTRL_SET_KEY 0x3 220 #define EVP_MD_CTRL_GOST_SET_SBOX 0x4 221 222 /* Minimum Algorithm specific ctrl value */ 223 224 #define EVP_MD_CTRL_ALG_CTRL 0x1000 225 226 #define EVP_PKEY_NULL_method NULL,NULL,{0,0,0,0} 227 228 #ifndef OPENSSL_NO_DSA 229 #define EVP_PKEY_DSA_method (evp_sign_method *)DSA_sign, \ 230 (evp_verify_method *)DSA_verify, \ 231 {EVP_PKEY_DSA,EVP_PKEY_DSA2,EVP_PKEY_DSA3, \ 232 EVP_PKEY_DSA4,0} 233 #else 234 #define EVP_PKEY_DSA_method EVP_PKEY_NULL_method 235 #endif 236 237 #ifndef OPENSSL_NO_ECDSA 238 #define EVP_PKEY_ECDSA_method (evp_sign_method *)ECDSA_sign, \ 239 (evp_verify_method *)ECDSA_verify, \ 240 {EVP_PKEY_EC,0,0,0} 241 #else 242 #define EVP_PKEY_ECDSA_method EVP_PKEY_NULL_method 243 #endif 244 245 #ifndef OPENSSL_NO_RSA 246 #define EVP_PKEY_RSA_method (evp_sign_method *)RSA_sign, \ 247 (evp_verify_method *)RSA_verify, \ 248 {EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0} 249 #define EVP_PKEY_RSA_ASN1_OCTET_STRING_method \ 250 (evp_sign_method *)RSA_sign_ASN1_OCTET_STRING, \ 251 (evp_verify_method *)RSA_verify_ASN1_OCTET_STRING, \ 252 {EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0} 253 #else 254 #define EVP_PKEY_RSA_method EVP_PKEY_NULL_method 255 #define EVP_PKEY_RSA_ASN1_OCTET_STRING_method EVP_PKEY_NULL_method 256 #endif 257 258 #endif /* !EVP_MD */ 259 260 struct env_md_ctx_st { 261 const EVP_MD *digest; 262 ENGINE *engine; /* functional reference if 'digest' is ENGINE-provided */ 263 unsigned long flags; 264 void *md_data; 265 /* Public key context for sign/verify */ 266 EVP_PKEY_CTX *pctx; 267 /* Update function: usually copied from EVP_MD */ 268 int (*update)(EVP_MD_CTX *ctx, const void *data, size_t count); 269 } /* EVP_MD_CTX */; 270 271 /* values for EVP_MD_CTX flags */ 272 273 #define EVP_MD_CTX_FLAG_ONESHOT 0x0001 /* digest update will be called 274 * once only */ 275 #define EVP_MD_CTX_FLAG_CLEANED 0x0002 /* context has already been 276 * cleaned */ 277 #define EVP_MD_CTX_FLAG_REUSE 0x0004 /* Don't free up ctx->md_data 278 * in EVP_MD_CTX_cleanup */ 279 /* FIPS and pad options are ignored in 1.0.0, definitions are here 280 * so we don't accidentally reuse the values for other purposes. 281 */ 282 283 #define EVP_MD_CTX_FLAG_NON_FIPS_ALLOW 0x0008 /* Allow use of non FIPS digest 284 * in FIPS mode */ 285 286 /* The following PAD options are also currently ignored in 1.0.0, digest 287 * parameters are handled through EVP_DigestSign*() and EVP_DigestVerify*() 288 * instead. 289 */ 290 #define EVP_MD_CTX_FLAG_PAD_MASK 0xF0 /* RSA mode to use */ 291 #define EVP_MD_CTX_FLAG_PAD_PKCS1 0x00 /* PKCS#1 v1.5 mode */ 292 #define EVP_MD_CTX_FLAG_PAD_X931 0x10 /* X9.31 mode */ 293 #define EVP_MD_CTX_FLAG_PAD_PSS 0x20 /* PSS mode */ 294 295 #define EVP_MD_CTX_FLAG_NO_INIT 0x0100 /* Don't initialize md_data */ 296 297 struct evp_cipher_st { 298 int nid; 299 int block_size; 300 int key_len; /* Default value for variable length ciphers */ 301 int iv_len; 302 unsigned long flags; /* Various flags */ 303 int (*init)(EVP_CIPHER_CTX *ctx, const unsigned char *key, 304 const unsigned char *iv, int enc); /* init key */ 305 int (*do_cipher)(EVP_CIPHER_CTX *ctx, unsigned char *out, 306 const unsigned char *in, size_t inl);/* encrypt/decrypt data */ 307 int (*cleanup)(EVP_CIPHER_CTX *); /* cleanup ctx */ 308 int ctx_size; /* how big ctx->cipher_data needs to be */ 309 int (*set_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Populate a ASN1_TYPE with parameters */ 310 int (*get_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Get parameters from a ASN1_TYPE */ 311 int (*ctrl)(EVP_CIPHER_CTX *, int type, int arg, void *ptr); /* Miscellaneous operations */ 312 void *app_data; /* Application data */ 313 } /* EVP_CIPHER */; 314 315 /* Values for cipher flags */ 316 317 /* Modes for ciphers */ 318 319 #define EVP_CIPH_STREAM_CIPHER 0x0 320 #define EVP_CIPH_ECB_MODE 0x1 321 #define EVP_CIPH_CBC_MODE 0x2 322 #define EVP_CIPH_CFB_MODE 0x3 323 #define EVP_CIPH_OFB_MODE 0x4 324 #define EVP_CIPH_CTR_MODE 0x5 325 #define EVP_CIPH_GCM_MODE 0x6 326 #define EVP_CIPH_CCM_MODE 0x7 327 #define EVP_CIPH_XTS_MODE 0x10001 328 #define EVP_CIPH_MODE 0xF0007 329 /* Set if variable length cipher */ 330 #define EVP_CIPH_VARIABLE_LENGTH 0x8 331 /* Set if the iv handling should be done by the cipher itself */ 332 #define EVP_CIPH_CUSTOM_IV 0x10 333 /* Set if the cipher's init() function should be called if key is NULL */ 334 #define EVP_CIPH_ALWAYS_CALL_INIT 0x20 335 /* Call ctrl() to init cipher parameters */ 336 #define EVP_CIPH_CTRL_INIT 0x40 337 /* Don't use standard key length function */ 338 #define EVP_CIPH_CUSTOM_KEY_LENGTH 0x80 339 /* Don't use standard block padding */ 340 #define EVP_CIPH_NO_PADDING 0x100 341 /* cipher handles random key generation */ 342 #define EVP_CIPH_RAND_KEY 0x200 343 /* cipher has its own additional copying logic */ 344 #define EVP_CIPH_CUSTOM_COPY 0x400 345 /* Allow use default ASN1 get/set iv */ 346 #define EVP_CIPH_FLAG_DEFAULT_ASN1 0x1000 347 /* Buffer length in bits not bytes: CFB1 mode only */ 348 #define EVP_CIPH_FLAG_LENGTH_BITS 0x2000 349 /* Note if suitable for use in FIPS mode */ 350 #define EVP_CIPH_FLAG_FIPS 0x4000 351 /* Allow non FIPS cipher in FIPS mode */ 352 #define EVP_CIPH_FLAG_NON_FIPS_ALLOW 0x8000 353 /* Cipher handles any and all padding logic as well 354 * as finalisation. 355 */ 356 #define EVP_CIPH_FLAG_CUSTOM_CIPHER 0x100000 357 #define EVP_CIPH_FLAG_AEAD_CIPHER 0x200000 358 359 /* ctrl() values */ 360 361 #define EVP_CTRL_INIT 0x0 362 #define EVP_CTRL_SET_KEY_LENGTH 0x1 363 #define EVP_CTRL_GET_RC2_KEY_BITS 0x2 364 #define EVP_CTRL_SET_RC2_KEY_BITS 0x3 365 #define EVP_CTRL_GET_RC5_ROUNDS 0x4 366 #define EVP_CTRL_SET_RC5_ROUNDS 0x5 367 #define EVP_CTRL_RAND_KEY 0x6 368 #define EVP_CTRL_PBE_PRF_NID 0x7 369 #define EVP_CTRL_COPY 0x8 370 #define EVP_CTRL_GCM_SET_IVLEN 0x9 371 #define EVP_CTRL_GCM_GET_TAG 0x10 372 #define EVP_CTRL_GCM_SET_TAG 0x11 373 #define EVP_CTRL_GCM_SET_IV_FIXED 0x12 374 #define EVP_CTRL_GCM_IV_GEN 0x13 375 #define EVP_CTRL_CCM_SET_IVLEN EVP_CTRL_GCM_SET_IVLEN 376 #define EVP_CTRL_CCM_GET_TAG EVP_CTRL_GCM_GET_TAG 377 #define EVP_CTRL_CCM_SET_TAG EVP_CTRL_GCM_SET_TAG 378 #define EVP_CTRL_CCM_SET_L 0x14 379 #define EVP_CTRL_CCM_SET_MSGLEN 0x15 380 /* AEAD cipher deduces payload length and returns number of bytes 381 * required to store MAC and eventual padding. Subsequent call to 382 * EVP_Cipher even appends/verifies MAC. 383 */ 384 #define EVP_CTRL_AEAD_TLS1_AAD 0x16 385 /* Used by composite AEAD ciphers, no-op in GCM, CCM... */ 386 #define EVP_CTRL_AEAD_SET_MAC_KEY 0x17 387 /* Set the GCM invocation field, decrypt only */ 388 #define EVP_CTRL_GCM_SET_IV_INV 0x18 389 /* Set the S-BOX NID for GOST ciphers */ 390 #define EVP_CTRL_GOST_SET_SBOX 0x19 391 392 /* GCM TLS constants */ 393 /* Length of fixed part of IV derived from PRF */ 394 #define EVP_GCM_TLS_FIXED_IV_LEN 4 395 /* Length of explicit part of IV part of TLS records */ 396 #define EVP_GCM_TLS_EXPLICIT_IV_LEN 8 397 /* Length of tag for TLS */ 398 #define EVP_GCM_TLS_TAG_LEN 16 399 400 typedef struct evp_cipher_info_st { 401 const EVP_CIPHER *cipher; 402 unsigned char iv[EVP_MAX_IV_LENGTH]; 403 } EVP_CIPHER_INFO; 404 405 struct evp_cipher_ctx_st { 406 const EVP_CIPHER *cipher; 407 ENGINE *engine; /* functional reference if 'cipher' is ENGINE-provided */ 408 int encrypt; /* encrypt or decrypt */ 409 int buf_len; /* number we have left */ 410 411 unsigned char oiv[EVP_MAX_IV_LENGTH]; /* original iv */ 412 unsigned char iv[EVP_MAX_IV_LENGTH]; /* working iv */ 413 unsigned char buf[EVP_MAX_BLOCK_LENGTH];/* saved partial block */ 414 int num; /* used by cfb/ofb/ctr mode */ 415 416 void *app_data; /* application stuff */ 417 int key_len; /* May change for variable length cipher */ 418 unsigned long flags; /* Various flags */ 419 void *cipher_data; /* per EVP data */ 420 int final_used; 421 int block_mask; 422 unsigned char final[EVP_MAX_BLOCK_LENGTH];/* possible final block */ 423 } /* EVP_CIPHER_CTX */; 424 425 typedef struct evp_Encode_Ctx_st { 426 int num; /* number saved in a partial encode/decode */ 427 int length; /* The length is either the output line length 428 * (in input bytes) or the shortest input line 429 * length that is ok. Once decoding begins, 430 * the length is adjusted up each time a longer 431 * line is decoded */ 432 unsigned char enc_data[80]; /* data to encode */ 433 int line_num; /* number read on current line */ 434 int expect_nl; 435 } EVP_ENCODE_CTX; 436 437 /* Password based encryption function */ 438 typedef int (EVP_PBE_KEYGEN)(EVP_CIPHER_CTX *ctx, const char *pass, int passlen, 439 ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md, int en_de); 440 441 #ifndef OPENSSL_NO_RSA 442 #define EVP_PKEY_assign_RSA(pkey,rsa) EVP_PKEY_assign((pkey),EVP_PKEY_RSA,\ 443 (char *)(rsa)) 444 #endif 445 446 #ifndef OPENSSL_NO_DSA 447 #define EVP_PKEY_assign_DSA(pkey,dsa) EVP_PKEY_assign((pkey),EVP_PKEY_DSA,\ 448 (char *)(dsa)) 449 #endif 450 451 #ifndef OPENSSL_NO_DH 452 #define EVP_PKEY_assign_DH(pkey,dh) EVP_PKEY_assign((pkey),EVP_PKEY_DH,\ 453 (char *)(dh)) 454 #endif 455 456 #ifndef OPENSSL_NO_EC 457 #define EVP_PKEY_assign_EC_KEY(pkey,eckey) EVP_PKEY_assign((pkey),EVP_PKEY_EC,\ 458 (char *)(eckey)) 459 #endif 460 461 #ifndef OPENSSL_NO_GOST 462 #define EVP_PKEY_assign_GOST(pkey,gostkey) EVP_PKEY_assign((pkey),EVP_PKEY_GOSTR01,\ 463 (char *)(gostkey)) 464 #endif 465 466 /* Add some extra combinations */ 467 #define EVP_get_digestbynid(a) EVP_get_digestbyname(OBJ_nid2sn(a)) 468 #define EVP_get_digestbyobj(a) EVP_get_digestbynid(OBJ_obj2nid(a)) 469 #define EVP_get_cipherbynid(a) EVP_get_cipherbyname(OBJ_nid2sn(a)) 470 #define EVP_get_cipherbyobj(a) EVP_get_cipherbynid(OBJ_obj2nid(a)) 471 472 int EVP_MD_type(const EVP_MD *md); 473 #define EVP_MD_nid(e) EVP_MD_type(e) 474 #define EVP_MD_name(e) OBJ_nid2sn(EVP_MD_nid(e)) 475 int EVP_MD_pkey_type(const EVP_MD *md); 476 int EVP_MD_size(const EVP_MD *md); 477 int EVP_MD_block_size(const EVP_MD *md); 478 unsigned long EVP_MD_flags(const EVP_MD *md); 479 480 const EVP_MD *EVP_MD_CTX_md(const EVP_MD_CTX *ctx); 481 #define EVP_MD_CTX_size(e) EVP_MD_size(EVP_MD_CTX_md(e)) 482 #define EVP_MD_CTX_block_size(e) EVP_MD_block_size(EVP_MD_CTX_md(e)) 483 #define EVP_MD_CTX_type(e) EVP_MD_type(EVP_MD_CTX_md(e)) 484 485 int EVP_CIPHER_nid(const EVP_CIPHER *cipher); 486 #define EVP_CIPHER_name(e) OBJ_nid2sn(EVP_CIPHER_nid(e)) 487 int EVP_CIPHER_block_size(const EVP_CIPHER *cipher); 488 int EVP_CIPHER_key_length(const EVP_CIPHER *cipher); 489 int EVP_CIPHER_iv_length(const EVP_CIPHER *cipher); 490 unsigned long EVP_CIPHER_flags(const EVP_CIPHER *cipher); 491 #define EVP_CIPHER_mode(e) (EVP_CIPHER_flags(e) & EVP_CIPH_MODE) 492 493 const EVP_CIPHER * EVP_CIPHER_CTX_cipher(const EVP_CIPHER_CTX *ctx); 494 int EVP_CIPHER_CTX_nid(const EVP_CIPHER_CTX *ctx); 495 int EVP_CIPHER_CTX_block_size(const EVP_CIPHER_CTX *ctx); 496 int EVP_CIPHER_CTX_key_length(const EVP_CIPHER_CTX *ctx); 497 int EVP_CIPHER_CTX_iv_length(const EVP_CIPHER_CTX *ctx); 498 int EVP_CIPHER_CTX_copy(EVP_CIPHER_CTX *out, const EVP_CIPHER_CTX *in); 499 void * EVP_CIPHER_CTX_get_app_data(const EVP_CIPHER_CTX *ctx); 500 void EVP_CIPHER_CTX_set_app_data(EVP_CIPHER_CTX *ctx, void *data); 501 #define EVP_CIPHER_CTX_type(c) EVP_CIPHER_type(EVP_CIPHER_CTX_cipher(c)) 502 unsigned long EVP_CIPHER_CTX_flags(const EVP_CIPHER_CTX *ctx); 503 #define EVP_CIPHER_CTX_mode(e) (EVP_CIPHER_CTX_flags(e) & EVP_CIPH_MODE) 504 505 #define EVP_ENCODE_LENGTH(l) (((l+2)/3*4)+(l/48+1)*2+80) 506 #define EVP_DECODE_LENGTH(l) ((l+3)/4*3+80) 507 508 #define EVP_SignInit_ex(a,b,c) EVP_DigestInit_ex(a,b,c) 509 #define EVP_SignInit(a,b) EVP_DigestInit(a,b) 510 #define EVP_SignUpdate(a,b,c) EVP_DigestUpdate(a,b,c) 511 #define EVP_VerifyInit_ex(a,b,c) EVP_DigestInit_ex(a,b,c) 512 #define EVP_VerifyInit(a,b) EVP_DigestInit(a,b) 513 #define EVP_VerifyUpdate(a,b,c) EVP_DigestUpdate(a,b,c) 514 #define EVP_OpenUpdate(a,b,c,d,e) EVP_DecryptUpdate(a,b,c,d,e) 515 #define EVP_SealUpdate(a,b,c,d,e) EVP_EncryptUpdate(a,b,c,d,e) 516 #define EVP_DigestSignUpdate(a,b,c) EVP_DigestUpdate(a,b,c) 517 #define EVP_DigestVerifyUpdate(a,b,c) EVP_DigestUpdate(a,b,c) 518 519 #define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,0,(char *)md) 520 #define BIO_get_md(b,mdp) BIO_ctrl(b,BIO_C_GET_MD,0,(char *)mdp) 521 #define BIO_get_md_ctx(b,mdcp) BIO_ctrl(b,BIO_C_GET_MD_CTX,0,(char *)mdcp) 522 #define BIO_set_md_ctx(b,mdcp) BIO_ctrl(b,BIO_C_SET_MD_CTX,0,(char *)mdcp) 523 #define BIO_get_cipher_status(b) BIO_ctrl(b,BIO_C_GET_CIPHER_STATUS,0,NULL) 524 #define BIO_get_cipher_ctx(b,c_pp) BIO_ctrl(b,BIO_C_GET_CIPHER_CTX,0,(char *)c_pp) 525 526 int EVP_Cipher(EVP_CIPHER_CTX *c, unsigned char *out, const unsigned char *in, 527 unsigned int inl); 528 529 #define EVP_add_cipher_alias(n,alias) \ 530 OBJ_NAME_add((alias),OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS,(n)) 531 #define EVP_add_digest_alias(n,alias) \ 532 OBJ_NAME_add((alias),OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,(n)) 533 #define EVP_delete_cipher_alias(alias) \ 534 OBJ_NAME_remove(alias,OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS); 535 #define EVP_delete_digest_alias(alias) \ 536 OBJ_NAME_remove(alias,OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS); 537 538 void EVP_MD_CTX_init(EVP_MD_CTX *ctx); 539 int EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx); 540 EVP_MD_CTX *EVP_MD_CTX_create(void); 541 void EVP_MD_CTX_destroy(EVP_MD_CTX *ctx); 542 int EVP_MD_CTX_copy_ex(EVP_MD_CTX *out, const EVP_MD_CTX *in); 543 void EVP_MD_CTX_set_flags(EVP_MD_CTX *ctx, int flags); 544 void EVP_MD_CTX_clear_flags(EVP_MD_CTX *ctx, int flags); 545 int EVP_MD_CTX_ctrl(EVP_MD_CTX *ctx, int type, int arg, void *ptr); 546 int EVP_MD_CTX_test_flags(const EVP_MD_CTX *ctx, int flags); 547 int EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl); 548 int EVP_DigestUpdate(EVP_MD_CTX *ctx, const void *d, size_t cnt); 549 int EVP_DigestFinal_ex(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *s); 550 int EVP_Digest(const void *data, size_t count, unsigned char *md, 551 unsigned int *size, const EVP_MD *type, ENGINE *impl); 552 553 int EVP_MD_CTX_copy(EVP_MD_CTX *out, const EVP_MD_CTX *in); 554 int EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type); 555 int EVP_DigestFinal(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *s); 556 557 int EVP_read_pw_string(char *buf, int length, const char *prompt, int verify); 558 int EVP_read_pw_string_min(char *buf, int minlen, int maxlen, 559 const char *prompt, int verify); 560 void EVP_set_pw_prompt(const char *prompt); 561 char *EVP_get_pw_prompt(void); 562 563 int EVP_BytesToKey(const EVP_CIPHER *type, const EVP_MD *md, 564 const unsigned char *salt, const unsigned char *data, int datal, int count, 565 unsigned char *key, unsigned char *iv); 566 567 void EVP_CIPHER_CTX_set_flags(EVP_CIPHER_CTX *ctx, int flags); 568 void EVP_CIPHER_CTX_clear_flags(EVP_CIPHER_CTX *ctx, int flags); 569 int EVP_CIPHER_CTX_test_flags(const EVP_CIPHER_CTX *ctx, int flags); 570 571 int EVP_EncryptInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher, 572 const unsigned char *key, const unsigned char *iv); 573 int EVP_EncryptInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher, 574 ENGINE *impl, const unsigned char *key, const unsigned char *iv); 575 int EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl, 576 const unsigned char *in, int inl); 577 int EVP_EncryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl); 578 #ifndef LIBRESSL_INTERNAL 579 int EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl); 580 #endif 581 582 int EVP_DecryptInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher, 583 const unsigned char *key, const unsigned char *iv); 584 int EVP_DecryptInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher, 585 ENGINE *impl, const unsigned char *key, const unsigned char *iv); 586 int EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl, 587 const unsigned char *in, int inl); 588 int EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl); 589 #ifndef LIBRESSL_INTERNAL 590 int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl); 591 #endif 592 593 int EVP_CipherInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher, 594 const unsigned char *key, const unsigned char *iv, int enc); 595 int EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher, 596 ENGINE *impl, const unsigned char *key, const unsigned char *iv, int enc); 597 int EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl, 598 const unsigned char *in, int inl); 599 int EVP_CipherFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl); 600 #ifndef LIBRESSL_INTERNAL 601 int EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl); 602 #endif 603 604 int EVP_SignFinal(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *s, 605 EVP_PKEY *pkey); 606 607 int EVP_VerifyFinal(EVP_MD_CTX *ctx, const unsigned char *sigbuf, 608 unsigned int siglen, EVP_PKEY *pkey); 609 610 int EVP_DigestSignInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx, 611 const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey); 612 int EVP_DigestSignFinal(EVP_MD_CTX *ctx, unsigned char *sigret, size_t *siglen); 613 614 int EVP_DigestVerifyInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx, 615 const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey); 616 int EVP_DigestVerifyFinal(EVP_MD_CTX *ctx, unsigned char *sig, size_t siglen); 617 618 int EVP_OpenInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type, 619 const unsigned char *ek, int ekl, const unsigned char *iv, EVP_PKEY *priv); 620 int EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl); 621 622 int EVP_SealInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type, 623 unsigned char **ek, int *ekl, unsigned char *iv, EVP_PKEY **pubk, 624 int npubk); 625 int EVP_SealFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl); 626 627 void EVP_EncodeInit(EVP_ENCODE_CTX *ctx); 628 void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl, 629 const unsigned char *in, int inl); 630 void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl); 631 int EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int n); 632 633 void EVP_DecodeInit(EVP_ENCODE_CTX *ctx); 634 int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl, 635 const unsigned char *in, int inl); 636 int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl); 637 int EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n); 638 639 void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *a); 640 int EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *a); 641 EVP_CIPHER_CTX *EVP_CIPHER_CTX_new(void); 642 void EVP_CIPHER_CTX_free(EVP_CIPHER_CTX *a); 643 int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *x, int keylen); 644 int EVP_CIPHER_CTX_set_padding(EVP_CIPHER_CTX *c, int pad); 645 int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr); 646 int EVP_CIPHER_CTX_rand_key(EVP_CIPHER_CTX *ctx, unsigned char *key); 647 648 #ifndef OPENSSL_NO_BIO 649 BIO_METHOD *BIO_f_md(void); 650 BIO_METHOD *BIO_f_base64(void); 651 BIO_METHOD *BIO_f_cipher(void); 652 void BIO_set_cipher(BIO *b, const EVP_CIPHER *c, const unsigned char *k, 653 const unsigned char *i, int enc); 654 #endif 655 656 const EVP_MD *EVP_md_null(void); 657 #ifndef OPENSSL_NO_MD4 658 const EVP_MD *EVP_md4(void); 659 #endif 660 #ifndef OPENSSL_NO_MD5 661 const EVP_MD *EVP_md5(void); 662 const EVP_MD *EVP_md5_sha1(void); 663 #endif 664 #ifndef OPENSSL_NO_SHA 665 const EVP_MD *EVP_sha1(void); 666 const EVP_MD *EVP_dss(void); 667 const EVP_MD *EVP_dss1(void); 668 const EVP_MD *EVP_ecdsa(void); 669 #endif 670 #ifndef OPENSSL_NO_SHA256 671 const EVP_MD *EVP_sha224(void); 672 const EVP_MD *EVP_sha256(void); 673 #endif 674 #ifndef OPENSSL_NO_SHA512 675 const EVP_MD *EVP_sha384(void); 676 const EVP_MD *EVP_sha512(void); 677 #endif 678 #ifndef OPENSSL_NO_RIPEMD 679 const EVP_MD *EVP_ripemd160(void); 680 #endif 681 #ifndef OPENSSL_NO_WHIRLPOOL 682 const EVP_MD *EVP_whirlpool(void); 683 #endif 684 #ifndef OPENSSL_NO_GOST 685 const EVP_MD *EVP_gostr341194(void); 686 const EVP_MD *EVP_gost2814789imit(void); 687 const EVP_MD *EVP_streebog256(void); 688 const EVP_MD *EVP_streebog512(void); 689 #endif 690 const EVP_CIPHER *EVP_enc_null(void); /* does nothing :-) */ 691 #ifndef OPENSSL_NO_DES 692 const EVP_CIPHER *EVP_des_ecb(void); 693 const EVP_CIPHER *EVP_des_ede(void); 694 const EVP_CIPHER *EVP_des_ede3(void); 695 const EVP_CIPHER *EVP_des_ede_ecb(void); 696 const EVP_CIPHER *EVP_des_ede3_ecb(void); 697 const EVP_CIPHER *EVP_des_cfb64(void); 698 # define EVP_des_cfb EVP_des_cfb64 699 const EVP_CIPHER *EVP_des_cfb1(void); 700 const EVP_CIPHER *EVP_des_cfb8(void); 701 const EVP_CIPHER *EVP_des_ede_cfb64(void); 702 # define EVP_des_ede_cfb EVP_des_ede_cfb64 703 const EVP_CIPHER *EVP_des_ede3_cfb64(void); 704 # define EVP_des_ede3_cfb EVP_des_ede3_cfb64 705 const EVP_CIPHER *EVP_des_ede3_cfb1(void); 706 const EVP_CIPHER *EVP_des_ede3_cfb8(void); 707 const EVP_CIPHER *EVP_des_ofb(void); 708 const EVP_CIPHER *EVP_des_ede_ofb(void); 709 const EVP_CIPHER *EVP_des_ede3_ofb(void); 710 const EVP_CIPHER *EVP_des_cbc(void); 711 const EVP_CIPHER *EVP_des_ede_cbc(void); 712 const EVP_CIPHER *EVP_des_ede3_cbc(void); 713 const EVP_CIPHER *EVP_desx_cbc(void); 714 #endif 715 #ifndef OPENSSL_NO_RC4 716 const EVP_CIPHER *EVP_rc4(void); 717 const EVP_CIPHER *EVP_rc4_40(void); 718 #ifndef OPENSSL_NO_MD5 719 const EVP_CIPHER *EVP_rc4_hmac_md5(void); 720 #endif 721 #endif 722 #ifndef OPENSSL_NO_IDEA 723 const EVP_CIPHER *EVP_idea_ecb(void); 724 const EVP_CIPHER *EVP_idea_cfb64(void); 725 # define EVP_idea_cfb EVP_idea_cfb64 726 const EVP_CIPHER *EVP_idea_ofb(void); 727 const EVP_CIPHER *EVP_idea_cbc(void); 728 #endif 729 #ifndef OPENSSL_NO_RC2 730 const EVP_CIPHER *EVP_rc2_ecb(void); 731 const EVP_CIPHER *EVP_rc2_cbc(void); 732 const EVP_CIPHER *EVP_rc2_40_cbc(void); 733 const EVP_CIPHER *EVP_rc2_64_cbc(void); 734 const EVP_CIPHER *EVP_rc2_cfb64(void); 735 # define EVP_rc2_cfb EVP_rc2_cfb64 736 const EVP_CIPHER *EVP_rc2_ofb(void); 737 #endif 738 #ifndef OPENSSL_NO_BF 739 const EVP_CIPHER *EVP_bf_ecb(void); 740 const EVP_CIPHER *EVP_bf_cbc(void); 741 const EVP_CIPHER *EVP_bf_cfb64(void); 742 # define EVP_bf_cfb EVP_bf_cfb64 743 const EVP_CIPHER *EVP_bf_ofb(void); 744 #endif 745 #ifndef OPENSSL_NO_CAST 746 const EVP_CIPHER *EVP_cast5_ecb(void); 747 const EVP_CIPHER *EVP_cast5_cbc(void); 748 const EVP_CIPHER *EVP_cast5_cfb64(void); 749 # define EVP_cast5_cfb EVP_cast5_cfb64 750 const EVP_CIPHER *EVP_cast5_ofb(void); 751 #endif 752 #ifndef OPENSSL_NO_AES 753 const EVP_CIPHER *EVP_aes_128_ecb(void); 754 const EVP_CIPHER *EVP_aes_128_cbc(void); 755 const EVP_CIPHER *EVP_aes_128_cfb1(void); 756 const EVP_CIPHER *EVP_aes_128_cfb8(void); 757 const EVP_CIPHER *EVP_aes_128_cfb128(void); 758 # define EVP_aes_128_cfb EVP_aes_128_cfb128 759 const EVP_CIPHER *EVP_aes_128_ofb(void); 760 const EVP_CIPHER *EVP_aes_128_ctr(void); 761 const EVP_CIPHER *EVP_aes_128_ccm(void); 762 const EVP_CIPHER *EVP_aes_128_gcm(void); 763 const EVP_CIPHER *EVP_aes_128_xts(void); 764 const EVP_CIPHER *EVP_aes_192_ecb(void); 765 const EVP_CIPHER *EVP_aes_192_cbc(void); 766 const EVP_CIPHER *EVP_aes_192_cfb1(void); 767 const EVP_CIPHER *EVP_aes_192_cfb8(void); 768 const EVP_CIPHER *EVP_aes_192_cfb128(void); 769 # define EVP_aes_192_cfb EVP_aes_192_cfb128 770 const EVP_CIPHER *EVP_aes_192_ofb(void); 771 const EVP_CIPHER *EVP_aes_192_ctr(void); 772 const EVP_CIPHER *EVP_aes_192_ccm(void); 773 const EVP_CIPHER *EVP_aes_192_gcm(void); 774 const EVP_CIPHER *EVP_aes_256_ecb(void); 775 const EVP_CIPHER *EVP_aes_256_cbc(void); 776 const EVP_CIPHER *EVP_aes_256_cfb1(void); 777 const EVP_CIPHER *EVP_aes_256_cfb8(void); 778 const EVP_CIPHER *EVP_aes_256_cfb128(void); 779 # define EVP_aes_256_cfb EVP_aes_256_cfb128 780 const EVP_CIPHER *EVP_aes_256_ofb(void); 781 const EVP_CIPHER *EVP_aes_256_ctr(void); 782 const EVP_CIPHER *EVP_aes_256_ccm(void); 783 const EVP_CIPHER *EVP_aes_256_gcm(void); 784 const EVP_CIPHER *EVP_aes_256_xts(void); 785 #if !defined(OPENSSL_NO_SHA) && !defined(OPENSSL_NO_SHA1) 786 const EVP_CIPHER *EVP_aes_128_cbc_hmac_sha1(void); 787 const EVP_CIPHER *EVP_aes_256_cbc_hmac_sha1(void); 788 #endif 789 #endif 790 #ifndef OPENSSL_NO_CAMELLIA 791 const EVP_CIPHER *EVP_camellia_128_ecb(void); 792 const EVP_CIPHER *EVP_camellia_128_cbc(void); 793 const EVP_CIPHER *EVP_camellia_128_cfb1(void); 794 const EVP_CIPHER *EVP_camellia_128_cfb8(void); 795 const EVP_CIPHER *EVP_camellia_128_cfb128(void); 796 # define EVP_camellia_128_cfb EVP_camellia_128_cfb128 797 const EVP_CIPHER *EVP_camellia_128_ofb(void); 798 const EVP_CIPHER *EVP_camellia_192_ecb(void); 799 const EVP_CIPHER *EVP_camellia_192_cbc(void); 800 const EVP_CIPHER *EVP_camellia_192_cfb1(void); 801 const EVP_CIPHER *EVP_camellia_192_cfb8(void); 802 const EVP_CIPHER *EVP_camellia_192_cfb128(void); 803 # define EVP_camellia_192_cfb EVP_camellia_192_cfb128 804 const EVP_CIPHER *EVP_camellia_192_ofb(void); 805 const EVP_CIPHER *EVP_camellia_256_ecb(void); 806 const EVP_CIPHER *EVP_camellia_256_cbc(void); 807 const EVP_CIPHER *EVP_camellia_256_cfb1(void); 808 const EVP_CIPHER *EVP_camellia_256_cfb8(void); 809 const EVP_CIPHER *EVP_camellia_256_cfb128(void); 810 # define EVP_camellia_256_cfb EVP_camellia_256_cfb128 811 const EVP_CIPHER *EVP_camellia_256_ofb(void); 812 #endif 813 814 #ifndef OPENSSL_NO_CHACHA 815 const EVP_CIPHER *EVP_chacha20(void); 816 #endif 817 818 #ifndef OPENSSL_NO_GOST 819 const EVP_CIPHER *EVP_gost2814789_ecb(void); 820 const EVP_CIPHER *EVP_gost2814789_cfb64(void); 821 const EVP_CIPHER *EVP_gost2814789_cnt(void); 822 #endif 823 824 void OPENSSL_add_all_algorithms_noconf(void); 825 void OPENSSL_add_all_algorithms_conf(void); 826 827 #ifdef OPENSSL_LOAD_CONF 828 #define OpenSSL_add_all_algorithms() OPENSSL_add_all_algorithms_conf() 829 #else 830 #define OpenSSL_add_all_algorithms() OPENSSL_add_all_algorithms_noconf() 831 #endif 832 833 void OpenSSL_add_all_ciphers(void); 834 void OpenSSL_add_all_digests(void); 835 836 #define SSLeay_add_all_algorithms() OpenSSL_add_all_algorithms() 837 #define SSLeay_add_all_ciphers() OpenSSL_add_all_ciphers() 838 #define SSLeay_add_all_digests() OpenSSL_add_all_digests() 839 840 int EVP_add_cipher(const EVP_CIPHER *cipher); 841 int EVP_add_digest(const EVP_MD *digest); 842 843 const EVP_CIPHER *EVP_get_cipherbyname(const char *name); 844 const EVP_MD *EVP_get_digestbyname(const char *name); 845 void EVP_cleanup(void); 846 847 void EVP_CIPHER_do_all(void (*fn)(const EVP_CIPHER *ciph, const char *from, 848 const char *to, void *x), void *arg); 849 void EVP_CIPHER_do_all_sorted(void (*fn)(const EVP_CIPHER *ciph, 850 const char *from, const char *to, void *x), void *arg); 851 852 void EVP_MD_do_all(void (*fn)(const EVP_MD *ciph, const char *from, 853 const char *to, void *x), void *arg); 854 void EVP_MD_do_all_sorted(void (*fn)(const EVP_MD *ciph, const char *from, 855 const char *to, void *x), void *arg); 856 857 int EVP_PKEY_decrypt_old(unsigned char *dec_key, const unsigned char *enc_key, 858 int enc_key_len, EVP_PKEY *private_key); 859 int EVP_PKEY_encrypt_old(unsigned char *enc_key, const unsigned char *key, 860 int key_len, EVP_PKEY *pub_key); 861 int EVP_PKEY_type(int type); 862 int EVP_PKEY_id(const EVP_PKEY *pkey); 863 int EVP_PKEY_base_id(const EVP_PKEY *pkey); 864 int EVP_PKEY_bits(EVP_PKEY *pkey); 865 int EVP_PKEY_size(EVP_PKEY *pkey); 866 int EVP_PKEY_set_type(EVP_PKEY *pkey, int type); 867 int EVP_PKEY_set_type_str(EVP_PKEY *pkey, const char *str, int len); 868 int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key); 869 void *EVP_PKEY_get0(EVP_PKEY *pkey); 870 871 #ifndef OPENSSL_NO_RSA 872 struct rsa_st; 873 int EVP_PKEY_set1_RSA(EVP_PKEY *pkey, struct rsa_st *key); 874 struct rsa_st *EVP_PKEY_get1_RSA(EVP_PKEY *pkey); 875 #endif 876 #ifndef OPENSSL_NO_DSA 877 struct dsa_st; 878 int EVP_PKEY_set1_DSA(EVP_PKEY *pkey, struct dsa_st *key); 879 struct dsa_st *EVP_PKEY_get1_DSA(EVP_PKEY *pkey); 880 #endif 881 #ifndef OPENSSL_NO_DH 882 struct dh_st; 883 int EVP_PKEY_set1_DH(EVP_PKEY *pkey, struct dh_st *key); 884 struct dh_st *EVP_PKEY_get1_DH(EVP_PKEY *pkey); 885 #endif 886 #ifndef OPENSSL_NO_EC 887 struct ec_key_st; 888 int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey, struct ec_key_st *key); 889 struct ec_key_st *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey); 890 #endif 891 #ifndef OPENSSL_NO_GOST 892 struct gost_key_st; 893 #endif 894 895 EVP_PKEY *EVP_PKEY_new(void); 896 void EVP_PKEY_free(EVP_PKEY *pkey); 897 898 EVP_PKEY *d2i_PublicKey(int type, EVP_PKEY **a, const unsigned char **pp, 899 long length); 900 int i2d_PublicKey(EVP_PKEY *a, unsigned char **pp); 901 902 EVP_PKEY *d2i_PrivateKey(int type, EVP_PKEY **a, const unsigned char **pp, 903 long length); 904 EVP_PKEY *d2i_AutoPrivateKey(EVP_PKEY **a, const unsigned char **pp, 905 long length); 906 int i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp); 907 908 int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from); 909 int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey); 910 int EVP_PKEY_save_parameters(EVP_PKEY *pkey, int mode); 911 int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b); 912 913 int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b); 914 915 int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey, int indent, 916 ASN1_PCTX *pctx); 917 int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey, int indent, 918 ASN1_PCTX *pctx); 919 int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey, int indent, 920 ASN1_PCTX *pctx); 921 922 int EVP_PKEY_get_default_digest_nid(EVP_PKEY *pkey, int *pnid); 923 924 int EVP_CIPHER_type(const EVP_CIPHER *ctx); 925 926 /* calls methods */ 927 int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type); 928 int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type); 929 930 /* These are used by EVP_CIPHER methods */ 931 int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type); 932 int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type); 933 934 /* PKCS5 password based encryption */ 935 int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen, 936 ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md, int en_de); 937 int PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen, 938 const unsigned char *salt, int saltlen, int iter, int keylen, 939 unsigned char *out); 940 int PKCS5_PBKDF2_HMAC(const char *pass, int passlen, const unsigned char *salt, 941 int saltlen, int iter, const EVP_MD *digest, int keylen, 942 unsigned char *out); 943 int PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen, 944 ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md, 945 int en_de); 946 947 void PKCS5_PBE_add(void); 948 949 int EVP_PBE_CipherInit (ASN1_OBJECT *pbe_obj, const char *pass, int passlen, 950 ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de); 951 952 /* PBE type */ 953 954 /* Can appear as the outermost AlgorithmIdentifier */ 955 #define EVP_PBE_TYPE_OUTER 0x0 956 /* Is an PRF type OID */ 957 #define EVP_PBE_TYPE_PRF 0x1 958 959 int EVP_PBE_alg_add_type(int pbe_type, int pbe_nid, int cipher_nid, int md_nid, 960 EVP_PBE_KEYGEN *keygen); 961 int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md, 962 EVP_PBE_KEYGEN *keygen); 963 int EVP_PBE_find(int type, int pbe_nid, int *pcnid, int *pmnid, 964 EVP_PBE_KEYGEN **pkeygen); 965 void EVP_PBE_cleanup(void); 966 967 #define ASN1_PKEY_ALIAS 0x1 968 #define ASN1_PKEY_DYNAMIC 0x2 969 #define ASN1_PKEY_SIGPARAM_NULL 0x4 970 971 #define ASN1_PKEY_CTRL_PKCS7_SIGN 0x1 972 #define ASN1_PKEY_CTRL_PKCS7_ENCRYPT 0x2 973 #define ASN1_PKEY_CTRL_DEFAULT_MD_NID 0x3 974 #define ASN1_PKEY_CTRL_CMS_SIGN 0x5 975 #define ASN1_PKEY_CTRL_CMS_ENVELOPE 0x7 976 977 int EVP_PKEY_asn1_get_count(void); 978 const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_get0(int idx); 979 const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find(ENGINE **pe, int type); 980 const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find_str(ENGINE **pe, 981 const char *str, int len); 982 int EVP_PKEY_asn1_add0(const EVP_PKEY_ASN1_METHOD *ameth); 983 int EVP_PKEY_asn1_add_alias(int to, int from); 984 int EVP_PKEY_asn1_get0_info(int *ppkey_id, int *pkey_base_id, int *ppkey_flags, 985 const char **pinfo, const char **ppem_str, 986 const EVP_PKEY_ASN1_METHOD *ameth); 987 988 const EVP_PKEY_ASN1_METHOD* EVP_PKEY_get0_asn1(EVP_PKEY *pkey); 989 EVP_PKEY_ASN1_METHOD* EVP_PKEY_asn1_new(int id, int flags, const char *pem_str, 990 const char *info); 991 void EVP_PKEY_asn1_copy(EVP_PKEY_ASN1_METHOD *dst, 992 const EVP_PKEY_ASN1_METHOD *src); 993 void EVP_PKEY_asn1_free(EVP_PKEY_ASN1_METHOD *ameth); 994 void EVP_PKEY_asn1_set_public(EVP_PKEY_ASN1_METHOD *ameth, 995 int (*pub_decode)(EVP_PKEY *pk, X509_PUBKEY *pub), 996 int (*pub_encode)(X509_PUBKEY *pub, const EVP_PKEY *pk), 997 int (*pub_cmp)(const EVP_PKEY *a, const EVP_PKEY *b), 998 int (*pub_print)(BIO *out, const EVP_PKEY *pkey, int indent, 999 ASN1_PCTX *pctx), 1000 int (*pkey_size)(const EVP_PKEY *pk), 1001 int (*pkey_bits)(const EVP_PKEY *pk)); 1002 void EVP_PKEY_asn1_set_private(EVP_PKEY_ASN1_METHOD *ameth, 1003 int (*priv_decode)(EVP_PKEY *pk, PKCS8_PRIV_KEY_INFO *p8inf), 1004 int (*priv_encode)(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pk), 1005 int (*priv_print)(BIO *out, const EVP_PKEY *pkey, int indent, 1006 ASN1_PCTX *pctx)); 1007 void EVP_PKEY_asn1_set_param(EVP_PKEY_ASN1_METHOD *ameth, 1008 int (*param_decode)(EVP_PKEY *pkey, const unsigned char **pder, int derlen), 1009 int (*param_encode)(const EVP_PKEY *pkey, unsigned char **pder), 1010 int (*param_missing)(const EVP_PKEY *pk), 1011 int (*param_copy)(EVP_PKEY *to, const EVP_PKEY *from), 1012 int (*param_cmp)(const EVP_PKEY *a, const EVP_PKEY *b), 1013 int (*param_print)(BIO *out, const EVP_PKEY *pkey, int indent, 1014 ASN1_PCTX *pctx)); 1015 1016 void EVP_PKEY_asn1_set_free(EVP_PKEY_ASN1_METHOD *ameth, 1017 void (*pkey_free)(EVP_PKEY *pkey)); 1018 void EVP_PKEY_asn1_set_ctrl(EVP_PKEY_ASN1_METHOD *ameth, 1019 int (*pkey_ctrl)(EVP_PKEY *pkey, int op, long arg1, void *arg2)); 1020 1021 #define EVP_PKEY_OP_UNDEFINED 0 1022 #define EVP_PKEY_OP_PARAMGEN (1<<1) 1023 #define EVP_PKEY_OP_KEYGEN (1<<2) 1024 #define EVP_PKEY_OP_SIGN (1<<3) 1025 #define EVP_PKEY_OP_VERIFY (1<<4) 1026 #define EVP_PKEY_OP_VERIFYRECOVER (1<<5) 1027 #define EVP_PKEY_OP_SIGNCTX (1<<6) 1028 #define EVP_PKEY_OP_VERIFYCTX (1<<7) 1029 #define EVP_PKEY_OP_ENCRYPT (1<<8) 1030 #define EVP_PKEY_OP_DECRYPT (1<<9) 1031 #define EVP_PKEY_OP_DERIVE (1<<10) 1032 1033 #define EVP_PKEY_OP_TYPE_SIG \ 1034 (EVP_PKEY_OP_SIGN | EVP_PKEY_OP_VERIFY | EVP_PKEY_OP_VERIFYRECOVER \ 1035 | EVP_PKEY_OP_SIGNCTX | EVP_PKEY_OP_VERIFYCTX) 1036 1037 #define EVP_PKEY_OP_TYPE_CRYPT \ 1038 (EVP_PKEY_OP_ENCRYPT | EVP_PKEY_OP_DECRYPT) 1039 1040 #define EVP_PKEY_OP_TYPE_NOGEN \ 1041 (EVP_PKEY_OP_SIG | EVP_PKEY_OP_CRYPT | EVP_PKEY_OP_DERIVE) 1042 1043 #define EVP_PKEY_OP_TYPE_GEN \ 1044 (EVP_PKEY_OP_PARAMGEN | EVP_PKEY_OP_KEYGEN) 1045 1046 #define EVP_PKEY_CTX_set_signature_md(ctx, md) \ 1047 EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG, \ 1048 EVP_PKEY_CTRL_MD, 0, (void *)md) 1049 1050 #define EVP_PKEY_CTRL_MD 1 1051 #define EVP_PKEY_CTRL_PEER_KEY 2 1052 1053 #define EVP_PKEY_CTRL_PKCS7_ENCRYPT 3 1054 #define EVP_PKEY_CTRL_PKCS7_DECRYPT 4 1055 1056 #define EVP_PKEY_CTRL_PKCS7_SIGN 5 1057 1058 #define EVP_PKEY_CTRL_SET_MAC_KEY 6 1059 1060 #define EVP_PKEY_CTRL_DIGESTINIT 7 1061 1062 /* Used by GOST key encryption in TLS */ 1063 #define EVP_PKEY_CTRL_SET_IV 8 1064 1065 #define EVP_PKEY_CTRL_CMS_ENCRYPT 9 1066 #define EVP_PKEY_CTRL_CMS_DECRYPT 10 1067 #define EVP_PKEY_CTRL_CMS_SIGN 11 1068 1069 #define EVP_PKEY_CTRL_CIPHER 12 1070 1071 #define EVP_PKEY_ALG_CTRL 0x1000 1072 1073 1074 #define EVP_PKEY_FLAG_AUTOARGLEN 2 1075 /* Method handles all operations: don't assume any digest related 1076 * defaults. 1077 */ 1078 #define EVP_PKEY_FLAG_SIGCTX_CUSTOM 4 1079 1080 const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type); 1081 EVP_PKEY_METHOD* EVP_PKEY_meth_new(int id, int flags); 1082 void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags, 1083 const EVP_PKEY_METHOD *meth); 1084 void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src); 1085 void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth); 1086 int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth); 1087 1088 EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e); 1089 EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e); 1090 EVP_PKEY_CTX *EVP_PKEY_CTX_dup(EVP_PKEY_CTX *ctx); 1091 void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx); 1092 1093 int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype, int cmd, 1094 int p1, void *p2); 1095 int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx, const char *type, 1096 const char *value); 1097 1098 int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx); 1099 void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen); 1100 1101 EVP_PKEY *EVP_PKEY_new_mac_key(int type, ENGINE *e, const unsigned char *key, 1102 int keylen); 1103 1104 void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data); 1105 void *EVP_PKEY_CTX_get_data(EVP_PKEY_CTX *ctx); 1106 EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx); 1107 1108 EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx); 1109 1110 void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data); 1111 void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx); 1112 1113 int EVP_PKEY_sign_init(EVP_PKEY_CTX *ctx); 1114 int EVP_PKEY_sign(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, 1115 const unsigned char *tbs, size_t tbslen); 1116 int EVP_PKEY_verify_init(EVP_PKEY_CTX *ctx); 1117 int EVP_PKEY_verify(EVP_PKEY_CTX *ctx, const unsigned char *sig, size_t siglen, 1118 const unsigned char *tbs, size_t tbslen); 1119 int EVP_PKEY_verify_recover_init(EVP_PKEY_CTX *ctx); 1120 int EVP_PKEY_verify_recover(EVP_PKEY_CTX *ctx, unsigned char *rout, 1121 size_t *routlen, const unsigned char *sig, size_t siglen); 1122 int EVP_PKEY_encrypt_init(EVP_PKEY_CTX *ctx); 1123 int EVP_PKEY_encrypt(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, 1124 const unsigned char *in, size_t inlen); 1125 int EVP_PKEY_decrypt_init(EVP_PKEY_CTX *ctx); 1126 int EVP_PKEY_decrypt(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, 1127 const unsigned char *in, size_t inlen); 1128 1129 int EVP_PKEY_derive_init(EVP_PKEY_CTX *ctx); 1130 int EVP_PKEY_derive_set_peer(EVP_PKEY_CTX *ctx, EVP_PKEY *peer); 1131 int EVP_PKEY_derive(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen); 1132 1133 typedef int EVP_PKEY_gen_cb(EVP_PKEY_CTX *ctx); 1134 1135 int EVP_PKEY_paramgen_init(EVP_PKEY_CTX *ctx); 1136 int EVP_PKEY_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey); 1137 int EVP_PKEY_keygen_init(EVP_PKEY_CTX *ctx); 1138 int EVP_PKEY_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey); 1139 1140 void EVP_PKEY_CTX_set_cb(EVP_PKEY_CTX *ctx, EVP_PKEY_gen_cb *cb); 1141 EVP_PKEY_gen_cb *EVP_PKEY_CTX_get_cb(EVP_PKEY_CTX *ctx); 1142 1143 int EVP_PKEY_CTX_get_keygen_info(EVP_PKEY_CTX *ctx, int idx); 1144 1145 void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth, 1146 int (*init)(EVP_PKEY_CTX *ctx)); 1147 1148 void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth, 1149 int (*copy)(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)); 1150 1151 void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth, 1152 void (*cleanup)(EVP_PKEY_CTX *ctx)); 1153 1154 void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth, 1155 int (*paramgen_init)(EVP_PKEY_CTX *ctx), 1156 int (*paramgen)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)); 1157 1158 void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth, 1159 int (*keygen_init)(EVP_PKEY_CTX *ctx), 1160 int (*keygen)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)); 1161 1162 void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth, 1163 int (*sign_init)(EVP_PKEY_CTX *ctx), 1164 int (*sign)(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, 1165 const unsigned char *tbs, size_t tbslen)); 1166 1167 void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth, 1168 int (*verify_init)(EVP_PKEY_CTX *ctx), 1169 int (*verify)(EVP_PKEY_CTX *ctx, const unsigned char *sig, size_t siglen, 1170 const unsigned char *tbs, size_t tbslen)); 1171 1172 void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth, 1173 int (*verify_recover_init)(EVP_PKEY_CTX *ctx), 1174 int (*verify_recover)(EVP_PKEY_CTX *ctx, unsigned char *sig, 1175 size_t *siglen, const unsigned char *tbs, size_t tbslen)); 1176 1177 void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth, 1178 int (*signctx_init)(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx), 1179 int (*signctx)(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, 1180 EVP_MD_CTX *mctx)); 1181 1182 void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth, 1183 int (*verifyctx_init)(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx), 1184 int (*verifyctx)(EVP_PKEY_CTX *ctx, const unsigned char *sig, int siglen, 1185 EVP_MD_CTX *mctx)); 1186 1187 void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth, 1188 int (*encrypt_init)(EVP_PKEY_CTX *ctx), 1189 int (*encryptfn)(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, 1190 const unsigned char *in, size_t inlen)); 1191 1192 void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth, 1193 int (*decrypt_init)(EVP_PKEY_CTX *ctx), 1194 int (*decrypt)(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, 1195 const unsigned char *in, size_t inlen)); 1196 1197 void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth, 1198 int (*derive_init)(EVP_PKEY_CTX *ctx), 1199 int (*derive)(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen)); 1200 1201 void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth, 1202 int (*ctrl)(EVP_PKEY_CTX *ctx, int type, int p1, void *p2), 1203 int (*ctrl_str)(EVP_PKEY_CTX *ctx, const char *type, const char *value)); 1204 1205 /* Authenticated Encryption with Additional Data. 1206 * 1207 * AEAD couples confidentiality and integrity in a single primtive. AEAD 1208 * algorithms take a key and then can seal and open individual messages. Each 1209 * message has a unique, per-message nonce and, optionally, additional data 1210 * which is authenticated but not included in the output. */ 1211 1212 struct evp_aead_st; 1213 typedef struct evp_aead_st EVP_AEAD; 1214 1215 #ifndef OPENSSL_NO_AES 1216 /* EVP_aes_128_gcm is AES-128 in Galois Counter Mode. */ 1217 const EVP_AEAD *EVP_aead_aes_128_gcm(void); 1218 /* EVP_aes_256_gcm is AES-256 in Galois Counter Mode. */ 1219 const EVP_AEAD *EVP_aead_aes_256_gcm(void); 1220 #endif 1221 1222 #if !defined(OPENSSL_NO_CHACHA) && !defined(OPENSSL_NO_POLY1305) 1223 /* EVP_aead_chacha20_poly1305 is ChaCha20 with a Poly1305 authenticator. */ 1224 const EVP_AEAD *EVP_aead_chacha20_poly1305(void); 1225 const EVP_AEAD *EVP_aead_chacha20_poly1305_old(void); 1226 #endif 1227 1228 /* EVP_AEAD_key_length returns the length of the keys used. */ 1229 size_t EVP_AEAD_key_length(const EVP_AEAD *aead); 1230 1231 /* EVP_AEAD_nonce_length returns the length of the per-message nonce. */ 1232 size_t EVP_AEAD_nonce_length(const EVP_AEAD *aead); 1233 1234 /* EVP_AEAD_max_overhead returns the maximum number of additional bytes added 1235 * by the act of sealing data with the AEAD. */ 1236 size_t EVP_AEAD_max_overhead(const EVP_AEAD *aead); 1237 1238 /* EVP_AEAD_max_tag_len returns the maximum tag length when using this AEAD. 1239 * This * is the largest value that can be passed as a tag length to 1240 * EVP_AEAD_CTX_init. */ 1241 size_t EVP_AEAD_max_tag_len(const EVP_AEAD *aead); 1242 1243 /* An EVP_AEAD_CTX represents an AEAD algorithm configured with a specific key 1244 * and message-independent IV. */ 1245 typedef struct evp_aead_ctx_st { 1246 const EVP_AEAD *aead; 1247 /* aead_state is an opaque pointer to the AEAD specific state. */ 1248 void *aead_state; 1249 } EVP_AEAD_CTX; 1250 1251 /* EVP_AEAD_MAX_TAG_LENGTH is the maximum tag length used by any AEAD 1252 * defined in this header. */ 1253 #define EVP_AEAD_MAX_TAG_LENGTH 16 1254 1255 /* EVP_AEAD_DEFAULT_TAG_LENGTH is a magic value that can be passed to 1256 * EVP_AEAD_CTX_init to indicate that the default tag length for an AEAD 1257 * should be used. */ 1258 #define EVP_AEAD_DEFAULT_TAG_LENGTH 0 1259 1260 /* EVP_AEAD_init initializes the context for the given AEAD algorithm. 1261 * The implementation argument may be NULL to choose the default implementation. 1262 * Authentication tags may be truncated by passing a tag length. A tag length 1263 * of zero indicates the default tag length should be used. */ 1264 int EVP_AEAD_CTX_init(EVP_AEAD_CTX *ctx, const EVP_AEAD *aead, 1265 const unsigned char *key, size_t key_len, size_t tag_len, ENGINE *impl); 1266 1267 /* EVP_AEAD_CTX_cleanup frees any data allocated for this context. */ 1268 void EVP_AEAD_CTX_cleanup(EVP_AEAD_CTX *ctx); 1269 1270 /* EVP_AEAD_CTX_seal encrypts and authenticates the input and authenticates 1271 * any additional data (AD), the result being written as output. One is 1272 * returned on success, otherwise zero. 1273 * 1274 * This function may be called (with the same EVP_AEAD_CTX) concurrently with 1275 * itself or EVP_AEAD_CTX_open. 1276 * 1277 * At most max_out_len bytes are written as output and, in order to ensure 1278 * success, this value should be the length of the input plus the result of 1279 * EVP_AEAD_overhead. On successful return, out_len is set to the actual 1280 * number of bytes written. 1281 * 1282 * The length of the nonce is must be equal to the result of 1283 * EVP_AEAD_nonce_length for this AEAD. 1284 * 1285 * EVP_AEAD_CTX_seal never results in a partial output. If max_out_len is 1286 * insufficient, zero will be returned and out_len will be set to zero. 1287 * 1288 * If the input and output are aliased then out must be <= in. */ 1289 int EVP_AEAD_CTX_seal(const EVP_AEAD_CTX *ctx, unsigned char *out, 1290 size_t *out_len, size_t max_out_len, const unsigned char *nonce, 1291 size_t nonce_len, const unsigned char *in, size_t in_len, 1292 const unsigned char *ad, size_t ad_len); 1293 1294 /* EVP_AEAD_CTX_open authenticates the input and additional data, decrypting 1295 * the input and writing it as output. One is returned on success, otherwise 1296 * zero. 1297 * 1298 * This function may be called (with the same EVP_AEAD_CTX) concurrently with 1299 * itself or EVP_AEAD_CTX_seal. 1300 * 1301 * At most the number of input bytes are written as output. In order to ensure 1302 * success, max_out_len should be at least the same as the input length. On 1303 * successful return out_len is set to the actual number of bytes written. 1304 * 1305 * The length of nonce must be equal to the result of EVP_AEAD_nonce_length 1306 * for this AEAD. 1307 * 1308 * EVP_AEAD_CTX_open never results in a partial output. If max_out_len is 1309 * insufficient, zero will be returned and out_len will be set to zero. 1310 * 1311 * If the input and output are aliased then out must be <= in. */ 1312 int EVP_AEAD_CTX_open(const EVP_AEAD_CTX *ctx, unsigned char *out, 1313 size_t *out_len, size_t max_out_len, const unsigned char *nonce, 1314 size_t nonce_len, const unsigned char *in, size_t in_len, 1315 const unsigned char *ad, size_t ad_len); 1316 1317 void EVP_add_alg_module(void); 1318 1319 /* BEGIN ERROR CODES */ 1320 /* The following lines are auto generated by the script mkerr.pl. Any changes 1321 * made after this point may be overwritten when the script is next run. 1322 */ 1323 void ERR_load_EVP_strings(void); 1324 1325 /* Error codes for the EVP functions. */ 1326 1327 /* Function codes. */ 1328 #define EVP_F_AEAD_AES_GCM_INIT 187 1329 #define EVP_F_AEAD_AES_GCM_OPEN 188 1330 #define EVP_F_AEAD_AES_GCM_SEAL 189 1331 #define EVP_F_AEAD_CHACHA20_POLY1305_INIT 192 1332 #define EVP_F_AEAD_CHACHA20_POLY1305_OPEN 193 1333 #define EVP_F_AEAD_CHACHA20_POLY1305_SEAL 194 1334 #define EVP_F_AEAD_CTX_OPEN 185 1335 #define EVP_F_AEAD_CTX_SEAL 186 1336 #define EVP_F_AESNI_INIT_KEY 165 1337 #define EVP_F_AESNI_XTS_CIPHER 176 1338 #define EVP_F_AES_INIT_KEY 133 1339 #define EVP_F_AES_XTS 172 1340 #define EVP_F_AES_XTS_CIPHER 175 1341 #define EVP_F_ALG_MODULE_INIT 177 1342 #define EVP_F_CAMELLIA_INIT_KEY 159 1343 #define EVP_F_CMAC_INIT 173 1344 #define EVP_F_D2I_PKEY 100 1345 #define EVP_F_DO_SIGVER_INIT 161 1346 #define EVP_F_DSAPKEY2PKCS8 134 1347 #define EVP_F_DSA_PKEY2PKCS8 135 1348 #define EVP_F_ECDSA_PKEY2PKCS8 129 1349 #define EVP_F_ECKEY_PKEY2PKCS8 132 1350 #define EVP_F_EVP_AEAD_CTX_INIT 180 1351 #define EVP_F_EVP_AEAD_CTX_OPEN 190 1352 #define EVP_F_EVP_AEAD_CTX_SEAL 191 1353 #define EVP_F_EVP_BYTESTOKEY 200 1354 #define EVP_F_EVP_CIPHERINIT_EX 123 1355 #define EVP_F_EVP_CIPHER_CTX_COPY 163 1356 #define EVP_F_EVP_CIPHER_CTX_CTRL 124 1357 #define EVP_F_EVP_CIPHER_CTX_SET_KEY_LENGTH 122 1358 #define EVP_F_EVP_CIPHER_GET_ASN1_IV 201 1359 #define EVP_F_EVP_CIPHER_SET_ASN1_IV 202 1360 #define EVP_F_EVP_DECRYPTFINAL_EX 101 1361 #define EVP_F_EVP_DECRYPTUPDATE 199 1362 #define EVP_F_EVP_DIGESTFINAL_EX 196 1363 #define EVP_F_EVP_DIGESTINIT_EX 128 1364 #define EVP_F_EVP_ENCRYPTFINAL_EX 127 1365 #define EVP_F_EVP_ENCRYPTUPDATE 198 1366 #define EVP_F_EVP_MD_CTX_COPY_EX 110 1367 #define EVP_F_EVP_MD_CTX_CTRL 195 1368 #define EVP_F_EVP_MD_SIZE 162 1369 #define EVP_F_EVP_OPENINIT 102 1370 #define EVP_F_EVP_PBE_ALG_ADD 115 1371 #define EVP_F_EVP_PBE_ALG_ADD_TYPE 160 1372 #define EVP_F_EVP_PBE_CIPHERINIT 116 1373 #define EVP_F_EVP_PKCS82PKEY 111 1374 #define EVP_F_EVP_PKCS82PKEY_BROKEN 136 1375 #define EVP_F_EVP_PKEY2PKCS8_BROKEN 113 1376 #define EVP_F_EVP_PKEY_COPY_PARAMETERS 103 1377 #define EVP_F_EVP_PKEY_CTX_CTRL 137 1378 #define EVP_F_EVP_PKEY_CTX_CTRL_STR 150 1379 #define EVP_F_EVP_PKEY_CTX_DUP 156 1380 #define EVP_F_EVP_PKEY_DECRYPT 104 1381 #define EVP_F_EVP_PKEY_DECRYPT_INIT 138 1382 #define EVP_F_EVP_PKEY_DECRYPT_OLD 151 1383 #define EVP_F_EVP_PKEY_DERIVE 153 1384 #define EVP_F_EVP_PKEY_DERIVE_INIT 154 1385 #define EVP_F_EVP_PKEY_DERIVE_SET_PEER 155 1386 #define EVP_F_EVP_PKEY_ENCRYPT 105 1387 #define EVP_F_EVP_PKEY_ENCRYPT_INIT 139 1388 #define EVP_F_EVP_PKEY_ENCRYPT_OLD 152 1389 #define EVP_F_EVP_PKEY_GET1_DH 119 1390 #define EVP_F_EVP_PKEY_GET1_DSA 120 1391 #define EVP_F_EVP_PKEY_GET1_ECDSA 130 1392 #define EVP_F_EVP_PKEY_GET1_EC_KEY 131 1393 #define EVP_F_EVP_PKEY_GET1_RSA 121 1394 #define EVP_F_EVP_PKEY_KEYGEN 146 1395 #define EVP_F_EVP_PKEY_KEYGEN_INIT 147 1396 #define EVP_F_EVP_PKEY_NEW 106 1397 #define EVP_F_EVP_PKEY_PARAMGEN 148 1398 #define EVP_F_EVP_PKEY_PARAMGEN_INIT 149 1399 #define EVP_F_EVP_PKEY_SIGN 140 1400 #define EVP_F_EVP_PKEY_SIGN_INIT 141 1401 #define EVP_F_EVP_PKEY_VERIFY 142 1402 #define EVP_F_EVP_PKEY_VERIFY_INIT 143 1403 #define EVP_F_EVP_PKEY_VERIFY_RECOVER 144 1404 #define EVP_F_EVP_PKEY_VERIFY_RECOVER_INIT 145 1405 #define EVP_F_EVP_RIJNDAEL 126 1406 #define EVP_F_EVP_SIGNFINAL 107 1407 #define EVP_F_EVP_VERIFYFINAL 108 1408 #define EVP_F_FIPS_CIPHERINIT 166 1409 #define EVP_F_FIPS_CIPHER_CTX_COPY 170 1410 #define EVP_F_FIPS_CIPHER_CTX_CTRL 167 1411 #define EVP_F_FIPS_CIPHER_CTX_SET_KEY_LENGTH 171 1412 #define EVP_F_FIPS_DIGESTINIT 168 1413 #define EVP_F_FIPS_MD_CTX_COPY 169 1414 #define EVP_F_HMAC_INIT_EX 174 1415 #define EVP_F_INT_CTX_NEW 157 1416 #define EVP_F_PKCS5_PBE_KEYIVGEN 117 1417 #define EVP_F_PKCS5_V2_PBE_KEYIVGEN 118 1418 #define EVP_F_PKCS5_V2_PBKDF2_KEYIVGEN 164 1419 #define EVP_F_PKCS8_SET_BROKEN 112 1420 #define EVP_F_PKEY_SET_TYPE 158 1421 #define EVP_F_RC2_GET_ASN1_TYPE_AND_IV 197 1422 #define EVP_F_RC2_MAGIC_TO_METH 109 1423 #define EVP_F_RC5_CTRL 125 1424 1425 /* Reason codes. */ 1426 #define EVP_R_AES_IV_SETUP_FAILED 162 1427 #define EVP_R_AES_KEY_SETUP_FAILED 143 1428 #define EVP_R_ASN1_LIB 140 1429 #define EVP_R_BAD_BLOCK_LENGTH 136 1430 #define EVP_R_BAD_DECRYPT 100 1431 #define EVP_R_BAD_KEY_LENGTH 137 1432 #define EVP_R_BN_DECODE_ERROR 112 1433 #define EVP_R_BN_PUBKEY_ERROR 113 1434 #define EVP_R_BUFFER_TOO_SMALL 155 1435 #define EVP_R_CAMELLIA_KEY_SETUP_FAILED 157 1436 #define EVP_R_CIPHER_PARAMETER_ERROR 122 1437 #define EVP_R_COMMAND_NOT_SUPPORTED 147 1438 #define EVP_R_CTRL_NOT_IMPLEMENTED 132 1439 #define EVP_R_CTRL_OPERATION_NOT_IMPLEMENTED 133 1440 #define EVP_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH 138 1441 #define EVP_R_DECODE_ERROR 114 1442 #define EVP_R_DIFFERENT_KEY_TYPES 101 1443 #define EVP_R_DIFFERENT_PARAMETERS 153 1444 #define EVP_R_DISABLED_FOR_FIPS 163 1445 #define EVP_R_ENCODE_ERROR 115 1446 #define EVP_R_ERROR_LOADING_SECTION 165 1447 #define EVP_R_ERROR_SETTING_FIPS_MODE 166 1448 #define EVP_R_EVP_PBE_CIPHERINIT_ERROR 119 1449 #define EVP_R_EXPECTING_AN_RSA_KEY 127 1450 #define EVP_R_EXPECTING_A_DH_KEY 128 1451 #define EVP_R_EXPECTING_A_DSA_KEY 129 1452 #define EVP_R_EXPECTING_A_ECDSA_KEY 141 1453 #define EVP_R_EXPECTING_A_EC_KEY 142 1454 #define EVP_R_FIPS_MODE_NOT_SUPPORTED 167 1455 #define EVP_R_INITIALIZATION_ERROR 134 1456 #define EVP_R_INPUT_NOT_INITIALIZED 111 1457 #define EVP_R_INVALID_DIGEST 152 1458 #define EVP_R_INVALID_FIPS_MODE 168 1459 #define EVP_R_INVALID_KEY_LENGTH 130 1460 #define EVP_R_INVALID_OPERATION 148 1461 #define EVP_R_IV_TOO_LARGE 102 1462 #define EVP_R_KEYGEN_FAILURE 120 1463 #define EVP_R_MESSAGE_DIGEST_IS_NULL 159 1464 #define EVP_R_METHOD_NOT_SUPPORTED 144 1465 #define EVP_R_MISSING_PARAMETERS 103 1466 #define EVP_R_NO_CIPHER_SET 131 1467 #define EVP_R_NO_DEFAULT_DIGEST 158 1468 #define EVP_R_NO_DIGEST_SET 139 1469 #define EVP_R_NO_DSA_PARAMETERS 116 1470 #define EVP_R_NO_KEY_SET 154 1471 #define EVP_R_NO_OPERATION_SET 149 1472 #define EVP_R_NO_SIGN_FUNCTION_CONFIGURED 104 1473 #define EVP_R_NO_VERIFY_FUNCTION_CONFIGURED 105 1474 #define EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE 150 1475 #define EVP_R_OPERATON_NOT_INITIALIZED 151 1476 #define EVP_R_OUTPUT_ALIASES_INPUT 172 1477 #define EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE 117 1478 #define EVP_R_PRIVATE_KEY_DECODE_ERROR 145 1479 #define EVP_R_PRIVATE_KEY_ENCODE_ERROR 146 1480 #define EVP_R_PUBLIC_KEY_NOT_RSA 106 1481 #define EVP_R_TAG_TOO_LARGE 171 1482 #define EVP_R_TOO_LARGE 164 1483 #define EVP_R_UNKNOWN_CIPHER 160 1484 #define EVP_R_UNKNOWN_DIGEST 161 1485 #define EVP_R_UNKNOWN_OPTION 169 1486 #define EVP_R_UNKNOWN_PBE_ALGORITHM 121 1487 #define EVP_R_UNSUPORTED_NUMBER_OF_ROUNDS 135 1488 #define EVP_R_UNSUPPORTED_ALGORITHM 156 1489 #define EVP_R_UNSUPPORTED_CIPHER 107 1490 #define EVP_R_UNSUPPORTED_KEYLENGTH 123 1491 #define EVP_R_UNSUPPORTED_KEY_DERIVATION_FUNCTION 124 1492 #define EVP_R_UNSUPPORTED_KEY_SIZE 108 1493 #define EVP_R_UNSUPPORTED_PRF 125 1494 #define EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM 118 1495 #define EVP_R_UNSUPPORTED_SALT_TYPE 126 1496 #define EVP_R_WRONG_FINAL_BLOCK_LENGTH 109 1497 #define EVP_R_WRONG_PUBLIC_KEY_TYPE 110 1498 1499 #ifdef __cplusplus 1500 } 1501 #endif 1502 #endif 1503