1 /* $OpenBSD: evp.h,v 1.39 2014/07/11 15:28:27 tedu 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_HMAC NID_hmac 111 #define EVP_PKEY_CMAC NID_cmac 112 113 #ifdef __cplusplus 114 extern "C" { 115 #endif 116 117 /* Type needs to be a bit field 118 * Sub-type needs to be for variations on the method, as in, can it do 119 * arbitrary encryption.... */ 120 struct evp_pkey_st { 121 int type; 122 int save_type; 123 int references; 124 const EVP_PKEY_ASN1_METHOD *ameth; 125 ENGINE *engine; 126 union { 127 char *ptr; 128 #ifndef OPENSSL_NO_RSA 129 struct rsa_st *rsa; /* RSA */ 130 #endif 131 #ifndef OPENSSL_NO_DSA 132 struct dsa_st *dsa; /* DSA */ 133 #endif 134 #ifndef OPENSSL_NO_DH 135 struct dh_st *dh; /* DH */ 136 #endif 137 #ifndef OPENSSL_NO_EC 138 struct ec_key_st *ec; /* ECC */ 139 #endif 140 } pkey; 141 int save_parameters; 142 STACK_OF(X509_ATTRIBUTE) *attributes; /* [ 0 ] */ 143 } /* EVP_PKEY */; 144 145 #define EVP_PKEY_MO_SIGN 0x0001 146 #define EVP_PKEY_MO_VERIFY 0x0002 147 #define EVP_PKEY_MO_ENCRYPT 0x0004 148 #define EVP_PKEY_MO_DECRYPT 0x0008 149 150 #ifndef EVP_MD 151 struct env_md_st { 152 int type; 153 int pkey_type; 154 int md_size; 155 unsigned long flags; 156 int (*init)(EVP_MD_CTX *ctx); 157 int (*update)(EVP_MD_CTX *ctx, const void *data, size_t count); 158 int (*final)(EVP_MD_CTX *ctx, unsigned char *md); 159 int (*copy)(EVP_MD_CTX *to, const EVP_MD_CTX *from); 160 int (*cleanup)(EVP_MD_CTX *ctx); 161 162 /* FIXME: prototype these some day */ 163 int (*sign)(int type, const unsigned char *m, unsigned int m_length, 164 unsigned char *sigret, unsigned int *siglen, void *key); 165 int (*verify)(int type, const unsigned char *m, unsigned int m_length, 166 const unsigned char *sigbuf, unsigned int siglen, 167 void *key); 168 int required_pkey_type[5]; /*EVP_PKEY_xxx */ 169 int block_size; 170 int ctx_size; /* how big does the ctx->md_data need to be */ 171 /* control function */ 172 int (*md_ctrl)(EVP_MD_CTX *ctx, int cmd, int p1, void *p2); 173 } /* EVP_MD */; 174 175 typedef int evp_sign_method(int type, const unsigned char *m, 176 unsigned int m_length, unsigned char *sigret, unsigned int *siglen, 177 void *key); 178 typedef int evp_verify_method(int type, const unsigned char *m, 179 unsigned int m_length, const unsigned char *sigbuf, unsigned int siglen, 180 void *key); 181 182 #define EVP_MD_FLAG_ONESHOT 0x0001 /* digest can only handle a single 183 * block */ 184 185 #define EVP_MD_FLAG_PKEY_DIGEST 0x0002 /* digest is a "clone" digest used 186 * which is a copy of an existing 187 * one for a specific public key type. 188 * EVP_dss1() etc */ 189 190 /* Digest uses EVP_PKEY_METHOD for signing instead of MD specific signing */ 191 192 #define EVP_MD_FLAG_PKEY_METHOD_SIGNATURE 0x0004 193 194 /* DigestAlgorithmIdentifier flags... */ 195 196 #define EVP_MD_FLAG_DIGALGID_MASK 0x0018 197 198 /* NULL or absent parameter accepted. Use NULL */ 199 200 #define EVP_MD_FLAG_DIGALGID_NULL 0x0000 201 202 /* NULL or absent parameter accepted. Use NULL for PKCS#1 otherwise absent */ 203 204 #define EVP_MD_FLAG_DIGALGID_ABSENT 0x0008 205 206 /* Custom handling via ctrl */ 207 208 #define EVP_MD_FLAG_DIGALGID_CUSTOM 0x0018 209 210 #define EVP_MD_FLAG_FIPS 0x0400 /* Note if suitable for use in FIPS mode */ 211 212 /* Digest ctrls */ 213 214 #define EVP_MD_CTRL_DIGALGID 0x1 215 #define EVP_MD_CTRL_MICALG 0x2 216 217 /* Minimum Algorithm specific ctrl value */ 218 219 #define EVP_MD_CTRL_ALG_CTRL 0x1000 220 221 #define EVP_PKEY_NULL_method NULL,NULL,{0,0,0,0} 222 223 #ifndef OPENSSL_NO_DSA 224 #define EVP_PKEY_DSA_method (evp_sign_method *)DSA_sign, \ 225 (evp_verify_method *)DSA_verify, \ 226 {EVP_PKEY_DSA,EVP_PKEY_DSA2,EVP_PKEY_DSA3, \ 227 EVP_PKEY_DSA4,0} 228 #else 229 #define EVP_PKEY_DSA_method EVP_PKEY_NULL_method 230 #endif 231 232 #ifndef OPENSSL_NO_ECDSA 233 #define EVP_PKEY_ECDSA_method (evp_sign_method *)ECDSA_sign, \ 234 (evp_verify_method *)ECDSA_verify, \ 235 {EVP_PKEY_EC,0,0,0} 236 #else 237 #define EVP_PKEY_ECDSA_method EVP_PKEY_NULL_method 238 #endif 239 240 #ifndef OPENSSL_NO_RSA 241 #define EVP_PKEY_RSA_method (evp_sign_method *)RSA_sign, \ 242 (evp_verify_method *)RSA_verify, \ 243 {EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0} 244 #define EVP_PKEY_RSA_ASN1_OCTET_STRING_method \ 245 (evp_sign_method *)RSA_sign_ASN1_OCTET_STRING, \ 246 (evp_verify_method *)RSA_verify_ASN1_OCTET_STRING, \ 247 {EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0} 248 #else 249 #define EVP_PKEY_RSA_method EVP_PKEY_NULL_method 250 #define EVP_PKEY_RSA_ASN1_OCTET_STRING_method EVP_PKEY_NULL_method 251 #endif 252 253 #endif /* !EVP_MD */ 254 255 struct env_md_ctx_st { 256 const EVP_MD *digest; 257 ENGINE *engine; /* functional reference if 'digest' is ENGINE-provided */ 258 unsigned long flags; 259 void *md_data; 260 /* Public key context for sign/verify */ 261 EVP_PKEY_CTX *pctx; 262 /* Update function: usually copied from EVP_MD */ 263 int (*update)(EVP_MD_CTX *ctx, const void *data, size_t count); 264 } /* EVP_MD_CTX */; 265 266 /* values for EVP_MD_CTX flags */ 267 268 #define EVP_MD_CTX_FLAG_ONESHOT 0x0001 /* digest update will be called 269 * once only */ 270 #define EVP_MD_CTX_FLAG_CLEANED 0x0002 /* context has already been 271 * cleaned */ 272 #define EVP_MD_CTX_FLAG_REUSE 0x0004 /* Don't free up ctx->md_data 273 * in EVP_MD_CTX_cleanup */ 274 /* FIPS and pad options are ignored in 1.0.0, definitions are here 275 * so we don't accidentally reuse the values for other purposes. 276 */ 277 278 #define EVP_MD_CTX_FLAG_NON_FIPS_ALLOW 0x0008 /* Allow use of non FIPS digest 279 * in FIPS mode */ 280 281 /* The following PAD options are also currently ignored in 1.0.0, digest 282 * parameters are handled through EVP_DigestSign*() and EVP_DigestVerify*() 283 * instead. 284 */ 285 #define EVP_MD_CTX_FLAG_PAD_MASK 0xF0 /* RSA mode to use */ 286 #define EVP_MD_CTX_FLAG_PAD_PKCS1 0x00 /* PKCS#1 v1.5 mode */ 287 #define EVP_MD_CTX_FLAG_PAD_X931 0x10 /* X9.31 mode */ 288 #define EVP_MD_CTX_FLAG_PAD_PSS 0x20 /* PSS mode */ 289 290 #define EVP_MD_CTX_FLAG_NO_INIT 0x0100 /* Don't initialize md_data */ 291 292 struct evp_cipher_st { 293 int nid; 294 int block_size; 295 int key_len; /* Default value for variable length ciphers */ 296 int iv_len; 297 unsigned long flags; /* Various flags */ 298 int (*init)(EVP_CIPHER_CTX *ctx, const unsigned char *key, 299 const unsigned char *iv, int enc); /* init key */ 300 int (*do_cipher)(EVP_CIPHER_CTX *ctx, unsigned char *out, 301 const unsigned char *in, size_t inl);/* encrypt/decrypt data */ 302 int (*cleanup)(EVP_CIPHER_CTX *); /* cleanup ctx */ 303 int ctx_size; /* how big ctx->cipher_data needs to be */ 304 int (*set_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Populate a ASN1_TYPE with parameters */ 305 int (*get_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Get parameters from a ASN1_TYPE */ 306 int (*ctrl)(EVP_CIPHER_CTX *, int type, int arg, void *ptr); /* Miscellaneous operations */ 307 void *app_data; /* Application data */ 308 } /* EVP_CIPHER */; 309 310 /* Values for cipher flags */ 311 312 /* Modes for ciphers */ 313 314 #define EVP_CIPH_STREAM_CIPHER 0x0 315 #define EVP_CIPH_ECB_MODE 0x1 316 #define EVP_CIPH_CBC_MODE 0x2 317 #define EVP_CIPH_CFB_MODE 0x3 318 #define EVP_CIPH_OFB_MODE 0x4 319 #define EVP_CIPH_CTR_MODE 0x5 320 #define EVP_CIPH_GCM_MODE 0x6 321 #define EVP_CIPH_CCM_MODE 0x7 322 #define EVP_CIPH_XTS_MODE 0x10001 323 #define EVP_CIPH_MODE 0xF0007 324 /* Set if variable length cipher */ 325 #define EVP_CIPH_VARIABLE_LENGTH 0x8 326 /* Set if the iv handling should be done by the cipher itself */ 327 #define EVP_CIPH_CUSTOM_IV 0x10 328 /* Set if the cipher's init() function should be called if key is NULL */ 329 #define EVP_CIPH_ALWAYS_CALL_INIT 0x20 330 /* Call ctrl() to init cipher parameters */ 331 #define EVP_CIPH_CTRL_INIT 0x40 332 /* Don't use standard key length function */ 333 #define EVP_CIPH_CUSTOM_KEY_LENGTH 0x80 334 /* Don't use standard block padding */ 335 #define EVP_CIPH_NO_PADDING 0x100 336 /* cipher handles random key generation */ 337 #define EVP_CIPH_RAND_KEY 0x200 338 /* cipher has its own additional copying logic */ 339 #define EVP_CIPH_CUSTOM_COPY 0x400 340 /* Allow use default ASN1 get/set iv */ 341 #define EVP_CIPH_FLAG_DEFAULT_ASN1 0x1000 342 /* Buffer length in bits not bytes: CFB1 mode only */ 343 #define EVP_CIPH_FLAG_LENGTH_BITS 0x2000 344 /* Note if suitable for use in FIPS mode */ 345 #define EVP_CIPH_FLAG_FIPS 0x4000 346 /* Allow non FIPS cipher in FIPS mode */ 347 #define EVP_CIPH_FLAG_NON_FIPS_ALLOW 0x8000 348 /* Cipher handles any and all padding logic as well 349 * as finalisation. 350 */ 351 #define EVP_CIPH_FLAG_CUSTOM_CIPHER 0x100000 352 #define EVP_CIPH_FLAG_AEAD_CIPHER 0x200000 353 354 /* ctrl() values */ 355 356 #define EVP_CTRL_INIT 0x0 357 #define EVP_CTRL_SET_KEY_LENGTH 0x1 358 #define EVP_CTRL_GET_RC2_KEY_BITS 0x2 359 #define EVP_CTRL_SET_RC2_KEY_BITS 0x3 360 #define EVP_CTRL_GET_RC5_ROUNDS 0x4 361 #define EVP_CTRL_SET_RC5_ROUNDS 0x5 362 #define EVP_CTRL_RAND_KEY 0x6 363 #define EVP_CTRL_PBE_PRF_NID 0x7 364 #define EVP_CTRL_COPY 0x8 365 #define EVP_CTRL_GCM_SET_IVLEN 0x9 366 #define EVP_CTRL_GCM_GET_TAG 0x10 367 #define EVP_CTRL_GCM_SET_TAG 0x11 368 #define EVP_CTRL_GCM_SET_IV_FIXED 0x12 369 #define EVP_CTRL_GCM_IV_GEN 0x13 370 #define EVP_CTRL_CCM_SET_IVLEN EVP_CTRL_GCM_SET_IVLEN 371 #define EVP_CTRL_CCM_GET_TAG EVP_CTRL_GCM_GET_TAG 372 #define EVP_CTRL_CCM_SET_TAG EVP_CTRL_GCM_SET_TAG 373 #define EVP_CTRL_CCM_SET_L 0x14 374 #define EVP_CTRL_CCM_SET_MSGLEN 0x15 375 /* AEAD cipher deduces payload length and returns number of bytes 376 * required to store MAC and eventual padding. Subsequent call to 377 * EVP_Cipher even appends/verifies MAC. 378 */ 379 #define EVP_CTRL_AEAD_TLS1_AAD 0x16 380 /* Used by composite AEAD ciphers, no-op in GCM, CCM... */ 381 #define EVP_CTRL_AEAD_SET_MAC_KEY 0x17 382 /* Set the GCM invocation field, decrypt only */ 383 #define EVP_CTRL_GCM_SET_IV_INV 0x18 384 385 /* GCM TLS constants */ 386 /* Length of fixed part of IV derived from PRF */ 387 #define EVP_GCM_TLS_FIXED_IV_LEN 4 388 /* Length of explicit part of IV part of TLS records */ 389 #define EVP_GCM_TLS_EXPLICIT_IV_LEN 8 390 /* Length of tag for TLS */ 391 #define EVP_GCM_TLS_TAG_LEN 16 392 393 typedef struct evp_cipher_info_st { 394 const EVP_CIPHER *cipher; 395 unsigned char iv[EVP_MAX_IV_LENGTH]; 396 } EVP_CIPHER_INFO; 397 398 struct evp_cipher_ctx_st { 399 const EVP_CIPHER *cipher; 400 ENGINE *engine; /* functional reference if 'cipher' is ENGINE-provided */ 401 int encrypt; /* encrypt or decrypt */ 402 int buf_len; /* number we have left */ 403 404 unsigned char oiv[EVP_MAX_IV_LENGTH]; /* original iv */ 405 unsigned char iv[EVP_MAX_IV_LENGTH]; /* working iv */ 406 unsigned char buf[EVP_MAX_BLOCK_LENGTH];/* saved partial block */ 407 int num; /* used by cfb/ofb/ctr mode */ 408 409 void *app_data; /* application stuff */ 410 int key_len; /* May change for variable length cipher */ 411 unsigned long flags; /* Various flags */ 412 void *cipher_data; /* per EVP data */ 413 int final_used; 414 int block_mask; 415 unsigned char final[EVP_MAX_BLOCK_LENGTH];/* possible final block */ 416 } /* EVP_CIPHER_CTX */; 417 418 typedef struct evp_Encode_Ctx_st { 419 int num; /* number saved in a partial encode/decode */ 420 int length; /* The length is either the output line length 421 * (in input bytes) or the shortest input line 422 * length that is ok. Once decoding begins, 423 * the length is adjusted up each time a longer 424 * line is decoded */ 425 unsigned char enc_data[80]; /* data to encode */ 426 int line_num; /* number read on current line */ 427 int expect_nl; 428 } EVP_ENCODE_CTX; 429 430 /* Password based encryption function */ 431 typedef int (EVP_PBE_KEYGEN)(EVP_CIPHER_CTX *ctx, const char *pass, int passlen, 432 ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md, int en_de); 433 434 #ifndef OPENSSL_NO_RSA 435 #define EVP_PKEY_assign_RSA(pkey,rsa) EVP_PKEY_assign((pkey),EVP_PKEY_RSA,\ 436 (char *)(rsa)) 437 #endif 438 439 #ifndef OPENSSL_NO_DSA 440 #define EVP_PKEY_assign_DSA(pkey,dsa) EVP_PKEY_assign((pkey),EVP_PKEY_DSA,\ 441 (char *)(dsa)) 442 #endif 443 444 #ifndef OPENSSL_NO_DH 445 #define EVP_PKEY_assign_DH(pkey,dh) EVP_PKEY_assign((pkey),EVP_PKEY_DH,\ 446 (char *)(dh)) 447 #endif 448 449 #ifndef OPENSSL_NO_EC 450 #define EVP_PKEY_assign_EC_KEY(pkey,eckey) EVP_PKEY_assign((pkey),EVP_PKEY_EC,\ 451 (char *)(eckey)) 452 #endif 453 454 /* Add some extra combinations */ 455 #define EVP_get_digestbynid(a) EVP_get_digestbyname(OBJ_nid2sn(a)) 456 #define EVP_get_digestbyobj(a) EVP_get_digestbynid(OBJ_obj2nid(a)) 457 #define EVP_get_cipherbynid(a) EVP_get_cipherbyname(OBJ_nid2sn(a)) 458 #define EVP_get_cipherbyobj(a) EVP_get_cipherbynid(OBJ_obj2nid(a)) 459 460 int EVP_MD_type(const EVP_MD *md); 461 #define EVP_MD_nid(e) EVP_MD_type(e) 462 #define EVP_MD_name(e) OBJ_nid2sn(EVP_MD_nid(e)) 463 int EVP_MD_pkey_type(const EVP_MD *md); 464 int EVP_MD_size(const EVP_MD *md); 465 int EVP_MD_block_size(const EVP_MD *md); 466 unsigned long EVP_MD_flags(const EVP_MD *md); 467 468 const EVP_MD *EVP_MD_CTX_md(const EVP_MD_CTX *ctx); 469 #define EVP_MD_CTX_size(e) EVP_MD_size(EVP_MD_CTX_md(e)) 470 #define EVP_MD_CTX_block_size(e) EVP_MD_block_size(EVP_MD_CTX_md(e)) 471 #define EVP_MD_CTX_type(e) EVP_MD_type(EVP_MD_CTX_md(e)) 472 473 int EVP_CIPHER_nid(const EVP_CIPHER *cipher); 474 #define EVP_CIPHER_name(e) OBJ_nid2sn(EVP_CIPHER_nid(e)) 475 int EVP_CIPHER_block_size(const EVP_CIPHER *cipher); 476 int EVP_CIPHER_key_length(const EVP_CIPHER *cipher); 477 int EVP_CIPHER_iv_length(const EVP_CIPHER *cipher); 478 unsigned long EVP_CIPHER_flags(const EVP_CIPHER *cipher); 479 #define EVP_CIPHER_mode(e) (EVP_CIPHER_flags(e) & EVP_CIPH_MODE) 480 481 const EVP_CIPHER * EVP_CIPHER_CTX_cipher(const EVP_CIPHER_CTX *ctx); 482 int EVP_CIPHER_CTX_nid(const EVP_CIPHER_CTX *ctx); 483 int EVP_CIPHER_CTX_block_size(const EVP_CIPHER_CTX *ctx); 484 int EVP_CIPHER_CTX_key_length(const EVP_CIPHER_CTX *ctx); 485 int EVP_CIPHER_CTX_iv_length(const EVP_CIPHER_CTX *ctx); 486 int EVP_CIPHER_CTX_copy(EVP_CIPHER_CTX *out, const EVP_CIPHER_CTX *in); 487 void * EVP_CIPHER_CTX_get_app_data(const EVP_CIPHER_CTX *ctx); 488 void EVP_CIPHER_CTX_set_app_data(EVP_CIPHER_CTX *ctx, void *data); 489 #define EVP_CIPHER_CTX_type(c) EVP_CIPHER_type(EVP_CIPHER_CTX_cipher(c)) 490 unsigned long EVP_CIPHER_CTX_flags(const EVP_CIPHER_CTX *ctx); 491 #define EVP_CIPHER_CTX_mode(e) (EVP_CIPHER_CTX_flags(e) & EVP_CIPH_MODE) 492 493 #define EVP_ENCODE_LENGTH(l) (((l+2)/3*4)+(l/48+1)*2+80) 494 #define EVP_DECODE_LENGTH(l) ((l+3)/4*3+80) 495 496 #define EVP_SignInit_ex(a,b,c) EVP_DigestInit_ex(a,b,c) 497 #define EVP_SignInit(a,b) EVP_DigestInit(a,b) 498 #define EVP_SignUpdate(a,b,c) EVP_DigestUpdate(a,b,c) 499 #define EVP_VerifyInit_ex(a,b,c) EVP_DigestInit_ex(a,b,c) 500 #define EVP_VerifyInit(a,b) EVP_DigestInit(a,b) 501 #define EVP_VerifyUpdate(a,b,c) EVP_DigestUpdate(a,b,c) 502 #define EVP_OpenUpdate(a,b,c,d,e) EVP_DecryptUpdate(a,b,c,d,e) 503 #define EVP_SealUpdate(a,b,c,d,e) EVP_EncryptUpdate(a,b,c,d,e) 504 #define EVP_DigestSignUpdate(a,b,c) EVP_DigestUpdate(a,b,c) 505 #define EVP_DigestVerifyUpdate(a,b,c) EVP_DigestUpdate(a,b,c) 506 507 #define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,0,(char *)md) 508 #define BIO_get_md(b,mdp) BIO_ctrl(b,BIO_C_GET_MD,0,(char *)mdp) 509 #define BIO_get_md_ctx(b,mdcp) BIO_ctrl(b,BIO_C_GET_MD_CTX,0,(char *)mdcp) 510 #define BIO_set_md_ctx(b,mdcp) BIO_ctrl(b,BIO_C_SET_MD_CTX,0,(char *)mdcp) 511 #define BIO_get_cipher_status(b) BIO_ctrl(b,BIO_C_GET_CIPHER_STATUS,0,NULL) 512 #define BIO_get_cipher_ctx(b,c_pp) BIO_ctrl(b,BIO_C_GET_CIPHER_CTX,0,(char *)c_pp) 513 514 int EVP_Cipher(EVP_CIPHER_CTX *c, unsigned char *out, const unsigned char *in, 515 unsigned int inl); 516 517 #define EVP_add_cipher_alias(n,alias) \ 518 OBJ_NAME_add((alias),OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS,(n)) 519 #define EVP_add_digest_alias(n,alias) \ 520 OBJ_NAME_add((alias),OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,(n)) 521 #define EVP_delete_cipher_alias(alias) \ 522 OBJ_NAME_remove(alias,OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS); 523 #define EVP_delete_digest_alias(alias) \ 524 OBJ_NAME_remove(alias,OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS); 525 526 void EVP_MD_CTX_init(EVP_MD_CTX *ctx); 527 int EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx); 528 EVP_MD_CTX *EVP_MD_CTX_create(void); 529 void EVP_MD_CTX_destroy(EVP_MD_CTX *ctx); 530 int EVP_MD_CTX_copy_ex(EVP_MD_CTX *out, const EVP_MD_CTX *in); 531 void EVP_MD_CTX_set_flags(EVP_MD_CTX *ctx, int flags); 532 void EVP_MD_CTX_clear_flags(EVP_MD_CTX *ctx, int flags); 533 int EVP_MD_CTX_test_flags(const EVP_MD_CTX *ctx, int flags); 534 int EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl); 535 int EVP_DigestUpdate(EVP_MD_CTX *ctx, const void *d, size_t cnt); 536 int EVP_DigestFinal_ex(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *s); 537 int EVP_Digest(const void *data, size_t count, unsigned char *md, 538 unsigned int *size, const EVP_MD *type, ENGINE *impl); 539 540 int EVP_MD_CTX_copy(EVP_MD_CTX *out, const EVP_MD_CTX *in); 541 int EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type); 542 int EVP_DigestFinal(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *s); 543 544 int EVP_read_pw_string(char *buf, int length, const char *prompt, int verify); 545 int EVP_read_pw_string_min(char *buf, int minlen, int maxlen, 546 const char *prompt, int verify); 547 void EVP_set_pw_prompt(const char *prompt); 548 char *EVP_get_pw_prompt(void); 549 550 int EVP_BytesToKey(const EVP_CIPHER *type, const EVP_MD *md, 551 const unsigned char *salt, const unsigned char *data, int datal, int count, 552 unsigned char *key, unsigned char *iv); 553 554 void EVP_CIPHER_CTX_set_flags(EVP_CIPHER_CTX *ctx, int flags); 555 void EVP_CIPHER_CTX_clear_flags(EVP_CIPHER_CTX *ctx, int flags); 556 int EVP_CIPHER_CTX_test_flags(const EVP_CIPHER_CTX *ctx, int flags); 557 558 int EVP_EncryptInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher, 559 const unsigned char *key, const unsigned char *iv); 560 int EVP_EncryptInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher, 561 ENGINE *impl, const unsigned char *key, const unsigned char *iv); 562 int EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl, 563 const unsigned char *in, int inl); 564 int EVP_EncryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl); 565 int EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl); 566 567 int EVP_DecryptInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher, 568 const unsigned char *key, const unsigned char *iv); 569 int EVP_DecryptInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher, 570 ENGINE *impl, const unsigned char *key, const unsigned char *iv); 571 int EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl, 572 const unsigned char *in, int inl); 573 int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl); 574 int EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl); 575 576 int EVP_CipherInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher, 577 const unsigned char *key, const unsigned char *iv, int enc); 578 int EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher, 579 ENGINE *impl, const unsigned char *key, const unsigned char *iv, int enc); 580 int EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl, 581 const unsigned char *in, int inl); 582 int EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl); 583 int EVP_CipherFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl); 584 585 int EVP_SignFinal(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *s, 586 EVP_PKEY *pkey); 587 588 int EVP_VerifyFinal(EVP_MD_CTX *ctx, const unsigned char *sigbuf, 589 unsigned int siglen, EVP_PKEY *pkey); 590 591 int EVP_DigestSignInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx, 592 const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey); 593 int EVP_DigestSignFinal(EVP_MD_CTX *ctx, unsigned char *sigret, size_t *siglen); 594 595 int EVP_DigestVerifyInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx, 596 const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey); 597 int EVP_DigestVerifyFinal(EVP_MD_CTX *ctx, unsigned char *sig, size_t siglen); 598 599 int EVP_OpenInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type, 600 const unsigned char *ek, int ekl, const unsigned char *iv, EVP_PKEY *priv); 601 int EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl); 602 603 int EVP_SealInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type, 604 unsigned char **ek, int *ekl, unsigned char *iv, EVP_PKEY **pubk, 605 int npubk); 606 int EVP_SealFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl); 607 608 void EVP_EncodeInit(EVP_ENCODE_CTX *ctx); 609 void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl, 610 const unsigned char *in, int inl); 611 void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl); 612 int EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int n); 613 614 void EVP_DecodeInit(EVP_ENCODE_CTX *ctx); 615 int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl, 616 const unsigned char *in, int inl); 617 int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl); 618 int EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n); 619 620 void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *a); 621 int EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *a); 622 EVP_CIPHER_CTX *EVP_CIPHER_CTX_new(void); 623 void EVP_CIPHER_CTX_free(EVP_CIPHER_CTX *a); 624 int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *x, int keylen); 625 int EVP_CIPHER_CTX_set_padding(EVP_CIPHER_CTX *c, int pad); 626 int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr); 627 int EVP_CIPHER_CTX_rand_key(EVP_CIPHER_CTX *ctx, unsigned char *key); 628 629 #ifndef OPENSSL_NO_BIO 630 BIO_METHOD *BIO_f_md(void); 631 BIO_METHOD *BIO_f_base64(void); 632 BIO_METHOD *BIO_f_cipher(void); 633 void BIO_set_cipher(BIO *b, const EVP_CIPHER *c, const unsigned char *k, 634 const unsigned char *i, int enc); 635 #endif 636 637 const EVP_MD *EVP_md_null(void); 638 #ifndef OPENSSL_NO_MD4 639 const EVP_MD *EVP_md4(void); 640 #endif 641 #ifndef OPENSSL_NO_MD5 642 const EVP_MD *EVP_md5(void); 643 #endif 644 #ifndef OPENSSL_NO_SHA 645 const EVP_MD *EVP_sha(void); 646 const EVP_MD *EVP_sha1(void); 647 const EVP_MD *EVP_dss(void); 648 const EVP_MD *EVP_dss1(void); 649 const EVP_MD *EVP_ecdsa(void); 650 #endif 651 #ifndef OPENSSL_NO_SHA256 652 const EVP_MD *EVP_sha224(void); 653 const EVP_MD *EVP_sha256(void); 654 #endif 655 #ifndef OPENSSL_NO_SHA512 656 const EVP_MD *EVP_sha384(void); 657 const EVP_MD *EVP_sha512(void); 658 #endif 659 #ifndef OPENSSL_NO_MDC2 660 const EVP_MD *EVP_mdc2(void); 661 #endif 662 #ifndef OPENSSL_NO_RIPEMD 663 const EVP_MD *EVP_ripemd160(void); 664 #endif 665 #ifndef OPENSSL_NO_WHIRLPOOL 666 const EVP_MD *EVP_whirlpool(void); 667 #endif 668 const EVP_CIPHER *EVP_enc_null(void); /* does nothing :-) */ 669 #ifndef OPENSSL_NO_DES 670 const EVP_CIPHER *EVP_des_ecb(void); 671 const EVP_CIPHER *EVP_des_ede(void); 672 const EVP_CIPHER *EVP_des_ede3(void); 673 const EVP_CIPHER *EVP_des_ede_ecb(void); 674 const EVP_CIPHER *EVP_des_ede3_ecb(void); 675 const EVP_CIPHER *EVP_des_cfb64(void); 676 # define EVP_des_cfb EVP_des_cfb64 677 const EVP_CIPHER *EVP_des_cfb1(void); 678 const EVP_CIPHER *EVP_des_cfb8(void); 679 const EVP_CIPHER *EVP_des_ede_cfb64(void); 680 # define EVP_des_ede_cfb EVP_des_ede_cfb64 681 #if 0 682 const EVP_CIPHER *EVP_des_ede_cfb1(void); 683 const EVP_CIPHER *EVP_des_ede_cfb8(void); 684 #endif 685 const EVP_CIPHER *EVP_des_ede3_cfb64(void); 686 # define EVP_des_ede3_cfb EVP_des_ede3_cfb64 687 const EVP_CIPHER *EVP_des_ede3_cfb1(void); 688 const EVP_CIPHER *EVP_des_ede3_cfb8(void); 689 const EVP_CIPHER *EVP_des_ofb(void); 690 const EVP_CIPHER *EVP_des_ede_ofb(void); 691 const EVP_CIPHER *EVP_des_ede3_ofb(void); 692 const EVP_CIPHER *EVP_des_cbc(void); 693 const EVP_CIPHER *EVP_des_ede_cbc(void); 694 const EVP_CIPHER *EVP_des_ede3_cbc(void); 695 const EVP_CIPHER *EVP_desx_cbc(void); 696 #endif 697 #ifndef OPENSSL_NO_RC4 698 const EVP_CIPHER *EVP_rc4(void); 699 const EVP_CIPHER *EVP_rc4_40(void); 700 #ifndef OPENSSL_NO_MD5 701 const EVP_CIPHER *EVP_rc4_hmac_md5(void); 702 #endif 703 #endif 704 #ifndef OPENSSL_NO_IDEA 705 const EVP_CIPHER *EVP_idea_ecb(void); 706 const EVP_CIPHER *EVP_idea_cfb64(void); 707 # define EVP_idea_cfb EVP_idea_cfb64 708 const EVP_CIPHER *EVP_idea_ofb(void); 709 const EVP_CIPHER *EVP_idea_cbc(void); 710 #endif 711 #ifndef OPENSSL_NO_RC2 712 const EVP_CIPHER *EVP_rc2_ecb(void); 713 const EVP_CIPHER *EVP_rc2_cbc(void); 714 const EVP_CIPHER *EVP_rc2_40_cbc(void); 715 const EVP_CIPHER *EVP_rc2_64_cbc(void); 716 const EVP_CIPHER *EVP_rc2_cfb64(void); 717 # define EVP_rc2_cfb EVP_rc2_cfb64 718 const EVP_CIPHER *EVP_rc2_ofb(void); 719 #endif 720 #ifndef OPENSSL_NO_BF 721 const EVP_CIPHER *EVP_bf_ecb(void); 722 const EVP_CIPHER *EVP_bf_cbc(void); 723 const EVP_CIPHER *EVP_bf_cfb64(void); 724 # define EVP_bf_cfb EVP_bf_cfb64 725 const EVP_CIPHER *EVP_bf_ofb(void); 726 #endif 727 #ifndef OPENSSL_NO_CAST 728 const EVP_CIPHER *EVP_cast5_ecb(void); 729 const EVP_CIPHER *EVP_cast5_cbc(void); 730 const EVP_CIPHER *EVP_cast5_cfb64(void); 731 # define EVP_cast5_cfb EVP_cast5_cfb64 732 const EVP_CIPHER *EVP_cast5_ofb(void); 733 #endif 734 #ifndef OPENSSL_NO_RC5 735 const EVP_CIPHER *EVP_rc5_32_12_16_cbc(void); 736 const EVP_CIPHER *EVP_rc5_32_12_16_ecb(void); 737 const EVP_CIPHER *EVP_rc5_32_12_16_cfb64(void); 738 # define EVP_rc5_32_12_16_cfb EVP_rc5_32_12_16_cfb64 739 const EVP_CIPHER *EVP_rc5_32_12_16_ofb(void); 740 #endif 741 #ifndef OPENSSL_NO_AES 742 const EVP_CIPHER *EVP_aes_128_ecb(void); 743 const EVP_CIPHER *EVP_aes_128_cbc(void); 744 const EVP_CIPHER *EVP_aes_128_cfb1(void); 745 const EVP_CIPHER *EVP_aes_128_cfb8(void); 746 const EVP_CIPHER *EVP_aes_128_cfb128(void); 747 # define EVP_aes_128_cfb EVP_aes_128_cfb128 748 const EVP_CIPHER *EVP_aes_128_ofb(void); 749 const EVP_CIPHER *EVP_aes_128_ctr(void); 750 const EVP_CIPHER *EVP_aes_128_ccm(void); 751 const EVP_CIPHER *EVP_aes_128_gcm(void); 752 const EVP_CIPHER *EVP_aes_128_xts(void); 753 const EVP_CIPHER *EVP_aes_192_ecb(void); 754 const EVP_CIPHER *EVP_aes_192_cbc(void); 755 const EVP_CIPHER *EVP_aes_192_cfb1(void); 756 const EVP_CIPHER *EVP_aes_192_cfb8(void); 757 const EVP_CIPHER *EVP_aes_192_cfb128(void); 758 # define EVP_aes_192_cfb EVP_aes_192_cfb128 759 const EVP_CIPHER *EVP_aes_192_ofb(void); 760 const EVP_CIPHER *EVP_aes_192_ctr(void); 761 const EVP_CIPHER *EVP_aes_192_ccm(void); 762 const EVP_CIPHER *EVP_aes_192_gcm(void); 763 const EVP_CIPHER *EVP_aes_256_ecb(void); 764 const EVP_CIPHER *EVP_aes_256_cbc(void); 765 const EVP_CIPHER *EVP_aes_256_cfb1(void); 766 const EVP_CIPHER *EVP_aes_256_cfb8(void); 767 const EVP_CIPHER *EVP_aes_256_cfb128(void); 768 # define EVP_aes_256_cfb EVP_aes_256_cfb128 769 const EVP_CIPHER *EVP_aes_256_ofb(void); 770 const EVP_CIPHER *EVP_aes_256_ctr(void); 771 const EVP_CIPHER *EVP_aes_256_ccm(void); 772 const EVP_CIPHER *EVP_aes_256_gcm(void); 773 const EVP_CIPHER *EVP_aes_256_xts(void); 774 #if !defined(OPENSSL_NO_SHA) && !defined(OPENSSL_NO_SHA1) 775 const EVP_CIPHER *EVP_aes_128_cbc_hmac_sha1(void); 776 const EVP_CIPHER *EVP_aes_256_cbc_hmac_sha1(void); 777 #endif 778 #endif 779 #ifndef OPENSSL_NO_CAMELLIA 780 const EVP_CIPHER *EVP_camellia_128_ecb(void); 781 const EVP_CIPHER *EVP_camellia_128_cbc(void); 782 const EVP_CIPHER *EVP_camellia_128_cfb1(void); 783 const EVP_CIPHER *EVP_camellia_128_cfb8(void); 784 const EVP_CIPHER *EVP_camellia_128_cfb128(void); 785 # define EVP_camellia_128_cfb EVP_camellia_128_cfb128 786 const EVP_CIPHER *EVP_camellia_128_ofb(void); 787 const EVP_CIPHER *EVP_camellia_192_ecb(void); 788 const EVP_CIPHER *EVP_camellia_192_cbc(void); 789 const EVP_CIPHER *EVP_camellia_192_cfb1(void); 790 const EVP_CIPHER *EVP_camellia_192_cfb8(void); 791 const EVP_CIPHER *EVP_camellia_192_cfb128(void); 792 # define EVP_camellia_192_cfb EVP_camellia_192_cfb128 793 const EVP_CIPHER *EVP_camellia_192_ofb(void); 794 const EVP_CIPHER *EVP_camellia_256_ecb(void); 795 const EVP_CIPHER *EVP_camellia_256_cbc(void); 796 const EVP_CIPHER *EVP_camellia_256_cfb1(void); 797 const EVP_CIPHER *EVP_camellia_256_cfb8(void); 798 const EVP_CIPHER *EVP_camellia_256_cfb128(void); 799 # define EVP_camellia_256_cfb EVP_camellia_256_cfb128 800 const EVP_CIPHER *EVP_camellia_256_ofb(void); 801 #endif 802 803 #ifndef OPENSSL_NO_CHACHA 804 const EVP_CIPHER *EVP_chacha20(void); 805 #endif 806 807 void OPENSSL_add_all_algorithms_noconf(void); 808 void OPENSSL_add_all_algorithms_conf(void); 809 810 #ifdef OPENSSL_LOAD_CONF 811 #define OpenSSL_add_all_algorithms() OPENSSL_add_all_algorithms_conf() 812 #else 813 #define OpenSSL_add_all_algorithms() OPENSSL_add_all_algorithms_noconf() 814 #endif 815 816 void OpenSSL_add_all_ciphers(void); 817 void OpenSSL_add_all_digests(void); 818 819 #define SSLeay_add_all_algorithms() OpenSSL_add_all_algorithms() 820 #define SSLeay_add_all_ciphers() OpenSSL_add_all_ciphers() 821 #define SSLeay_add_all_digests() OpenSSL_add_all_digests() 822 823 int EVP_add_cipher(const EVP_CIPHER *cipher); 824 int EVP_add_digest(const EVP_MD *digest); 825 826 const EVP_CIPHER *EVP_get_cipherbyname(const char *name); 827 const EVP_MD *EVP_get_digestbyname(const char *name); 828 void EVP_cleanup(void); 829 830 void EVP_CIPHER_do_all(void (*fn)(const EVP_CIPHER *ciph, const char *from, 831 const char *to, void *x), void *arg); 832 void EVP_CIPHER_do_all_sorted(void (*fn)(const EVP_CIPHER *ciph, 833 const char *from, const char *to, void *x), void *arg); 834 835 void EVP_MD_do_all(void (*fn)(const EVP_MD *ciph, const char *from, 836 const char *to, void *x), void *arg); 837 void EVP_MD_do_all_sorted(void (*fn)(const EVP_MD *ciph, const char *from, 838 const char *to, void *x), void *arg); 839 840 int EVP_PKEY_decrypt_old(unsigned char *dec_key, const unsigned char *enc_key, 841 int enc_key_len, EVP_PKEY *private_key); 842 int EVP_PKEY_encrypt_old(unsigned char *enc_key, const unsigned char *key, 843 int key_len, EVP_PKEY *pub_key); 844 int EVP_PKEY_type(int type); 845 int EVP_PKEY_id(const EVP_PKEY *pkey); 846 int EVP_PKEY_base_id(const EVP_PKEY *pkey); 847 int EVP_PKEY_bits(EVP_PKEY *pkey); 848 int EVP_PKEY_size(EVP_PKEY *pkey); 849 int EVP_PKEY_set_type(EVP_PKEY *pkey, int type); 850 int EVP_PKEY_set_type_str(EVP_PKEY *pkey, const char *str, int len); 851 int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key); 852 void *EVP_PKEY_get0(EVP_PKEY *pkey); 853 854 #ifndef OPENSSL_NO_RSA 855 struct rsa_st; 856 int EVP_PKEY_set1_RSA(EVP_PKEY *pkey, struct rsa_st *key); 857 struct rsa_st *EVP_PKEY_get1_RSA(EVP_PKEY *pkey); 858 #endif 859 #ifndef OPENSSL_NO_DSA 860 struct dsa_st; 861 int EVP_PKEY_set1_DSA(EVP_PKEY *pkey, struct dsa_st *key); 862 struct dsa_st *EVP_PKEY_get1_DSA(EVP_PKEY *pkey); 863 #endif 864 #ifndef OPENSSL_NO_DH 865 struct dh_st; 866 int EVP_PKEY_set1_DH(EVP_PKEY *pkey, struct dh_st *key); 867 struct dh_st *EVP_PKEY_get1_DH(EVP_PKEY *pkey); 868 #endif 869 #ifndef OPENSSL_NO_EC 870 struct ec_key_st; 871 int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey, struct ec_key_st *key); 872 struct ec_key_st *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey); 873 #endif 874 875 EVP_PKEY *EVP_PKEY_new(void); 876 void EVP_PKEY_free(EVP_PKEY *pkey); 877 878 EVP_PKEY *d2i_PublicKey(int type, EVP_PKEY **a, const unsigned char **pp, 879 long length); 880 int i2d_PublicKey(EVP_PKEY *a, unsigned char **pp); 881 882 EVP_PKEY *d2i_PrivateKey(int type, EVP_PKEY **a, const unsigned char **pp, 883 long length); 884 EVP_PKEY *d2i_AutoPrivateKey(EVP_PKEY **a, const unsigned char **pp, 885 long length); 886 int i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp); 887 888 int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from); 889 int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey); 890 int EVP_PKEY_save_parameters(EVP_PKEY *pkey, int mode); 891 int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b); 892 893 int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b); 894 895 int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey, int indent, 896 ASN1_PCTX *pctx); 897 int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey, int indent, 898 ASN1_PCTX *pctx); 899 int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey, int indent, 900 ASN1_PCTX *pctx); 901 902 int EVP_PKEY_get_default_digest_nid(EVP_PKEY *pkey, int *pnid); 903 904 int EVP_CIPHER_type(const EVP_CIPHER *ctx); 905 906 /* calls methods */ 907 int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type); 908 int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type); 909 910 /* These are used by EVP_CIPHER methods */ 911 int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type); 912 int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type); 913 914 /* PKCS5 password based encryption */ 915 int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen, 916 ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md, int en_de); 917 int PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen, 918 const unsigned char *salt, int saltlen, int iter, int keylen, 919 unsigned char *out); 920 int PKCS5_PBKDF2_HMAC(const char *pass, int passlen, const unsigned char *salt, 921 int saltlen, int iter, const EVP_MD *digest, int keylen, 922 unsigned char *out); 923 int PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen, 924 ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md, 925 int en_de); 926 927 void PKCS5_PBE_add(void); 928 929 int EVP_PBE_CipherInit (ASN1_OBJECT *pbe_obj, const char *pass, int passlen, 930 ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de); 931 932 /* PBE type */ 933 934 /* Can appear as the outermost AlgorithmIdentifier */ 935 #define EVP_PBE_TYPE_OUTER 0x0 936 /* Is an PRF type OID */ 937 #define EVP_PBE_TYPE_PRF 0x1 938 939 int EVP_PBE_alg_add_type(int pbe_type, int pbe_nid, int cipher_nid, int md_nid, 940 EVP_PBE_KEYGEN *keygen); 941 int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md, 942 EVP_PBE_KEYGEN *keygen); 943 int EVP_PBE_find(int type, int pbe_nid, int *pcnid, int *pmnid, 944 EVP_PBE_KEYGEN **pkeygen); 945 void EVP_PBE_cleanup(void); 946 947 #define ASN1_PKEY_ALIAS 0x1 948 #define ASN1_PKEY_DYNAMIC 0x2 949 #define ASN1_PKEY_SIGPARAM_NULL 0x4 950 951 #define ASN1_PKEY_CTRL_PKCS7_SIGN 0x1 952 #define ASN1_PKEY_CTRL_PKCS7_ENCRYPT 0x2 953 #define ASN1_PKEY_CTRL_DEFAULT_MD_NID 0x3 954 #define ASN1_PKEY_CTRL_CMS_SIGN 0x5 955 #define ASN1_PKEY_CTRL_CMS_ENVELOPE 0x7 956 957 int EVP_PKEY_asn1_get_count(void); 958 const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_get0(int idx); 959 const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find(ENGINE **pe, int type); 960 const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find_str(ENGINE **pe, 961 const char *str, int len); 962 int EVP_PKEY_asn1_add0(const EVP_PKEY_ASN1_METHOD *ameth); 963 int EVP_PKEY_asn1_add_alias(int to, int from); 964 int EVP_PKEY_asn1_get0_info(int *ppkey_id, int *pkey_base_id, int *ppkey_flags, 965 const char **pinfo, const char **ppem_str, 966 const EVP_PKEY_ASN1_METHOD *ameth); 967 968 const EVP_PKEY_ASN1_METHOD* EVP_PKEY_get0_asn1(EVP_PKEY *pkey); 969 EVP_PKEY_ASN1_METHOD* EVP_PKEY_asn1_new(int id, int flags, const char *pem_str, 970 const char *info); 971 void EVP_PKEY_asn1_copy(EVP_PKEY_ASN1_METHOD *dst, 972 const EVP_PKEY_ASN1_METHOD *src); 973 void EVP_PKEY_asn1_free(EVP_PKEY_ASN1_METHOD *ameth); 974 void EVP_PKEY_asn1_set_public(EVP_PKEY_ASN1_METHOD *ameth, 975 int (*pub_decode)(EVP_PKEY *pk, X509_PUBKEY *pub), 976 int (*pub_encode)(X509_PUBKEY *pub, const EVP_PKEY *pk), 977 int (*pub_cmp)(const EVP_PKEY *a, const EVP_PKEY *b), 978 int (*pub_print)(BIO *out, const EVP_PKEY *pkey, int indent, 979 ASN1_PCTX *pctx), 980 int (*pkey_size)(const EVP_PKEY *pk), 981 int (*pkey_bits)(const EVP_PKEY *pk)); 982 void EVP_PKEY_asn1_set_private(EVP_PKEY_ASN1_METHOD *ameth, 983 int (*priv_decode)(EVP_PKEY *pk, PKCS8_PRIV_KEY_INFO *p8inf), 984 int (*priv_encode)(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pk), 985 int (*priv_print)(BIO *out, const EVP_PKEY *pkey, int indent, 986 ASN1_PCTX *pctx)); 987 void EVP_PKEY_asn1_set_param(EVP_PKEY_ASN1_METHOD *ameth, 988 int (*param_decode)(EVP_PKEY *pkey, const unsigned char **pder, int derlen), 989 int (*param_encode)(const EVP_PKEY *pkey, unsigned char **pder), 990 int (*param_missing)(const EVP_PKEY *pk), 991 int (*param_copy)(EVP_PKEY *to, const EVP_PKEY *from), 992 int (*param_cmp)(const EVP_PKEY *a, const EVP_PKEY *b), 993 int (*param_print)(BIO *out, const EVP_PKEY *pkey, int indent, 994 ASN1_PCTX *pctx)); 995 996 void EVP_PKEY_asn1_set_free(EVP_PKEY_ASN1_METHOD *ameth, 997 void (*pkey_free)(EVP_PKEY *pkey)); 998 void EVP_PKEY_asn1_set_ctrl(EVP_PKEY_ASN1_METHOD *ameth, 999 int (*pkey_ctrl)(EVP_PKEY *pkey, int op, long arg1, void *arg2)); 1000 1001 #define EVP_PKEY_OP_UNDEFINED 0 1002 #define EVP_PKEY_OP_PARAMGEN (1<<1) 1003 #define EVP_PKEY_OP_KEYGEN (1<<2) 1004 #define EVP_PKEY_OP_SIGN (1<<3) 1005 #define EVP_PKEY_OP_VERIFY (1<<4) 1006 #define EVP_PKEY_OP_VERIFYRECOVER (1<<5) 1007 #define EVP_PKEY_OP_SIGNCTX (1<<6) 1008 #define EVP_PKEY_OP_VERIFYCTX (1<<7) 1009 #define EVP_PKEY_OP_ENCRYPT (1<<8) 1010 #define EVP_PKEY_OP_DECRYPT (1<<9) 1011 #define EVP_PKEY_OP_DERIVE (1<<10) 1012 1013 #define EVP_PKEY_OP_TYPE_SIG \ 1014 (EVP_PKEY_OP_SIGN | EVP_PKEY_OP_VERIFY | EVP_PKEY_OP_VERIFYRECOVER \ 1015 | EVP_PKEY_OP_SIGNCTX | EVP_PKEY_OP_VERIFYCTX) 1016 1017 #define EVP_PKEY_OP_TYPE_CRYPT \ 1018 (EVP_PKEY_OP_ENCRYPT | EVP_PKEY_OP_DECRYPT) 1019 1020 #define EVP_PKEY_OP_TYPE_NOGEN \ 1021 (EVP_PKEY_OP_SIG | EVP_PKEY_OP_CRYPT | EVP_PKEY_OP_DERIVE) 1022 1023 #define EVP_PKEY_OP_TYPE_GEN \ 1024 (EVP_PKEY_OP_PARAMGEN | EVP_PKEY_OP_KEYGEN) 1025 1026 #define EVP_PKEY_CTX_set_signature_md(ctx, md) \ 1027 EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG, \ 1028 EVP_PKEY_CTRL_MD, 0, (void *)md) 1029 1030 #define EVP_PKEY_CTRL_MD 1 1031 #define EVP_PKEY_CTRL_PEER_KEY 2 1032 1033 #define EVP_PKEY_CTRL_PKCS7_ENCRYPT 3 1034 #define EVP_PKEY_CTRL_PKCS7_DECRYPT 4 1035 1036 #define EVP_PKEY_CTRL_PKCS7_SIGN 5 1037 1038 #define EVP_PKEY_CTRL_SET_MAC_KEY 6 1039 1040 #define EVP_PKEY_CTRL_DIGESTINIT 7 1041 1042 /* Used by GOST key encryption in TLS */ 1043 #define EVP_PKEY_CTRL_SET_IV 8 1044 1045 #define EVP_PKEY_CTRL_CMS_ENCRYPT 9 1046 #define EVP_PKEY_CTRL_CMS_DECRYPT 10 1047 #define EVP_PKEY_CTRL_CMS_SIGN 11 1048 1049 #define EVP_PKEY_CTRL_CIPHER 12 1050 1051 #define EVP_PKEY_ALG_CTRL 0x1000 1052 1053 1054 #define EVP_PKEY_FLAG_AUTOARGLEN 2 1055 /* Method handles all operations: don't assume any digest related 1056 * defaults. 1057 */ 1058 #define EVP_PKEY_FLAG_SIGCTX_CUSTOM 4 1059 1060 const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type); 1061 EVP_PKEY_METHOD* EVP_PKEY_meth_new(int id, int flags); 1062 void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags, 1063 const EVP_PKEY_METHOD *meth); 1064 void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src); 1065 void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth); 1066 int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth); 1067 1068 EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e); 1069 EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e); 1070 EVP_PKEY_CTX *EVP_PKEY_CTX_dup(EVP_PKEY_CTX *ctx); 1071 void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx); 1072 1073 int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype, int cmd, 1074 int p1, void *p2); 1075 int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx, const char *type, 1076 const char *value); 1077 1078 int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx); 1079 void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen); 1080 1081 EVP_PKEY *EVP_PKEY_new_mac_key(int type, ENGINE *e, const unsigned char *key, 1082 int keylen); 1083 1084 void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data); 1085 void *EVP_PKEY_CTX_get_data(EVP_PKEY_CTX *ctx); 1086 EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx); 1087 1088 EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx); 1089 1090 void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data); 1091 void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx); 1092 1093 int EVP_PKEY_sign_init(EVP_PKEY_CTX *ctx); 1094 int EVP_PKEY_sign(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, 1095 const unsigned char *tbs, size_t tbslen); 1096 int EVP_PKEY_verify_init(EVP_PKEY_CTX *ctx); 1097 int EVP_PKEY_verify(EVP_PKEY_CTX *ctx, const unsigned char *sig, size_t siglen, 1098 const unsigned char *tbs, size_t tbslen); 1099 int EVP_PKEY_verify_recover_init(EVP_PKEY_CTX *ctx); 1100 int EVP_PKEY_verify_recover(EVP_PKEY_CTX *ctx, unsigned char *rout, 1101 size_t *routlen, const unsigned char *sig, size_t siglen); 1102 int EVP_PKEY_encrypt_init(EVP_PKEY_CTX *ctx); 1103 int EVP_PKEY_encrypt(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, 1104 const unsigned char *in, size_t inlen); 1105 int EVP_PKEY_decrypt_init(EVP_PKEY_CTX *ctx); 1106 int EVP_PKEY_decrypt(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, 1107 const unsigned char *in, size_t inlen); 1108 1109 int EVP_PKEY_derive_init(EVP_PKEY_CTX *ctx); 1110 int EVP_PKEY_derive_set_peer(EVP_PKEY_CTX *ctx, EVP_PKEY *peer); 1111 int EVP_PKEY_derive(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen); 1112 1113 typedef int EVP_PKEY_gen_cb(EVP_PKEY_CTX *ctx); 1114 1115 int EVP_PKEY_paramgen_init(EVP_PKEY_CTX *ctx); 1116 int EVP_PKEY_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey); 1117 int EVP_PKEY_keygen_init(EVP_PKEY_CTX *ctx); 1118 int EVP_PKEY_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey); 1119 1120 void EVP_PKEY_CTX_set_cb(EVP_PKEY_CTX *ctx, EVP_PKEY_gen_cb *cb); 1121 EVP_PKEY_gen_cb *EVP_PKEY_CTX_get_cb(EVP_PKEY_CTX *ctx); 1122 1123 int EVP_PKEY_CTX_get_keygen_info(EVP_PKEY_CTX *ctx, int idx); 1124 1125 void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth, 1126 int (*init)(EVP_PKEY_CTX *ctx)); 1127 1128 void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth, 1129 int (*copy)(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)); 1130 1131 void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth, 1132 void (*cleanup)(EVP_PKEY_CTX *ctx)); 1133 1134 void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth, 1135 int (*paramgen_init)(EVP_PKEY_CTX *ctx), 1136 int (*paramgen)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)); 1137 1138 void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth, 1139 int (*keygen_init)(EVP_PKEY_CTX *ctx), 1140 int (*keygen)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)); 1141 1142 void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth, 1143 int (*sign_init)(EVP_PKEY_CTX *ctx), 1144 int (*sign)(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, 1145 const unsigned char *tbs, size_t tbslen)); 1146 1147 void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth, 1148 int (*verify_init)(EVP_PKEY_CTX *ctx), 1149 int (*verify)(EVP_PKEY_CTX *ctx, const unsigned char *sig, size_t siglen, 1150 const unsigned char *tbs, size_t tbslen)); 1151 1152 void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth, 1153 int (*verify_recover_init)(EVP_PKEY_CTX *ctx), 1154 int (*verify_recover)(EVP_PKEY_CTX *ctx, unsigned char *sig, 1155 size_t *siglen, const unsigned char *tbs, size_t tbslen)); 1156 1157 void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth, 1158 int (*signctx_init)(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx), 1159 int (*signctx)(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, 1160 EVP_MD_CTX *mctx)); 1161 1162 void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth, 1163 int (*verifyctx_init)(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx), 1164 int (*verifyctx)(EVP_PKEY_CTX *ctx, const unsigned char *sig, int siglen, 1165 EVP_MD_CTX *mctx)); 1166 1167 void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth, 1168 int (*encrypt_init)(EVP_PKEY_CTX *ctx), 1169 int (*encryptfn)(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, 1170 const unsigned char *in, size_t inlen)); 1171 1172 void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth, 1173 int (*decrypt_init)(EVP_PKEY_CTX *ctx), 1174 int (*decrypt)(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, 1175 const unsigned char *in, size_t inlen)); 1176 1177 void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth, 1178 int (*derive_init)(EVP_PKEY_CTX *ctx), 1179 int (*derive)(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen)); 1180 1181 void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth, 1182 int (*ctrl)(EVP_PKEY_CTX *ctx, int type, int p1, void *p2), 1183 int (*ctrl_str)(EVP_PKEY_CTX *ctx, const char *type, const char *value)); 1184 1185 /* Authenticated Encryption with Additional Data. 1186 * 1187 * AEAD couples confidentiality and integrity in a single primtive. AEAD 1188 * algorithms take a key and then can seal and open individual messages. Each 1189 * message has a unique, per-message nonce and, optionally, additional data 1190 * which is authenticated but not included in the output. */ 1191 1192 struct evp_aead_st; 1193 typedef struct evp_aead_st EVP_AEAD; 1194 1195 #ifndef OPENSSL_NO_AES 1196 /* EVP_aes_128_gcm is AES-128 in Galois Counter Mode. */ 1197 const EVP_AEAD *EVP_aead_aes_128_gcm(void); 1198 /* EVP_aes_256_gcm is AES-256 in Galois Counter Mode. */ 1199 const EVP_AEAD *EVP_aead_aes_256_gcm(void); 1200 #endif 1201 1202 #if !defined(OPENSSL_NO_CHACHA) && !defined(OPENSSL_NO_POLY1305) 1203 /* EVP_aead_chacha20_poly1305 is ChaCha20 with a Poly1305 authenticator. */ 1204 const EVP_AEAD *EVP_aead_chacha20_poly1305(void); 1205 #endif 1206 1207 /* EVP_AEAD_key_length returns the length of the keys used. */ 1208 size_t EVP_AEAD_key_length(const EVP_AEAD *aead); 1209 1210 /* EVP_AEAD_nonce_length returns the length of the per-message nonce. */ 1211 size_t EVP_AEAD_nonce_length(const EVP_AEAD *aead); 1212 1213 /* EVP_AEAD_max_overhead returns the maximum number of additional bytes added 1214 * by the act of sealing data with the AEAD. */ 1215 size_t EVP_AEAD_max_overhead(const EVP_AEAD *aead); 1216 1217 /* EVP_AEAD_max_tag_len returns the maximum tag length when using this AEAD. 1218 * This * is the largest value that can be passed as a tag length to 1219 * EVP_AEAD_CTX_init. */ 1220 size_t EVP_AEAD_max_tag_len(const EVP_AEAD *aead); 1221 1222 /* An EVP_AEAD_CTX represents an AEAD algorithm configured with a specific key 1223 * and message-independent IV. */ 1224 typedef struct evp_aead_ctx_st { 1225 const EVP_AEAD *aead; 1226 /* aead_state is an opaque pointer to the AEAD specific state. */ 1227 void *aead_state; 1228 } EVP_AEAD_CTX; 1229 1230 /* EVP_AEAD_MAX_TAG_LENGTH is the maximum tag length used by any AEAD 1231 * defined in this header. */ 1232 #define EVP_AEAD_MAX_TAG_LENGTH 16 1233 1234 /* EVP_AEAD_DEFAULT_TAG_LENGTH is a magic value that can be passed to 1235 * EVP_AEAD_CTX_init to indicate that the default tag length for an AEAD 1236 * should be used. */ 1237 #define EVP_AEAD_DEFAULT_TAG_LENGTH 0 1238 1239 /* EVP_AEAD_init initializes the context for the given AEAD algorithm. 1240 * The implementation argument may be NULL to choose the default implementation. 1241 * Authentication tags may be truncated by passing a tag length. A tag length 1242 * of zero indicates the default tag length should be used. */ 1243 int EVP_AEAD_CTX_init(EVP_AEAD_CTX *ctx, const EVP_AEAD *aead, 1244 const unsigned char *key, size_t key_len, size_t tag_len, ENGINE *impl); 1245 1246 /* EVP_AEAD_CTX_cleanup frees any data allocated for this context. */ 1247 void EVP_AEAD_CTX_cleanup(EVP_AEAD_CTX *ctx); 1248 1249 /* EVP_AEAD_CTX_seal encrypts and authenticates the input and authenticates 1250 * any additional data (AD), the result being written as output. One is 1251 * returned on success, otherwise zero. 1252 * 1253 * This function may be called (with the same EVP_AEAD_CTX) concurrently with 1254 * itself or EVP_AEAD_CTX_open. 1255 * 1256 * At most max_out_len bytes are written as output and, in order to ensure 1257 * success, this value should be the length of the input plus the result of 1258 * EVP_AEAD_overhead. On successful return, out_len is set to the actual 1259 * number of bytes written. 1260 * 1261 * The length of the nonce is must be equal to the result of 1262 * EVP_AEAD_nonce_length for this AEAD. 1263 * 1264 * EVP_AEAD_CTX_seal never results in a partial output. If max_out_len is 1265 * insufficient, zero will be returned and out_len will be set to zero. 1266 * 1267 * If the input and output are aliased then out must be <= in. */ 1268 int EVP_AEAD_CTX_seal(const EVP_AEAD_CTX *ctx, unsigned char *out, 1269 size_t *out_len, size_t max_out_len, const unsigned char *nonce, 1270 size_t nonce_len, const unsigned char *in, size_t in_len, 1271 const unsigned char *ad, size_t ad_len); 1272 1273 /* EVP_AEAD_CTX_open authenticates the input and additional data, decrypting 1274 * the input and writing it as output. One is returned on success, otherwise 1275 * zero. 1276 * 1277 * This function may be called (with the same EVP_AEAD_CTX) concurrently with 1278 * itself or EVP_AEAD_CTX_seal. 1279 * 1280 * At most the number of input bytes are written as output. In order to ensure 1281 * success, max_out_len should be at least the same as the input length. On 1282 * successful return out_len is set to the actual number of bytes written. 1283 * 1284 * The length of nonce must be equal to the result of EVP_AEAD_nonce_length 1285 * for this AEAD. 1286 * 1287 * EVP_AEAD_CTX_open never results in a partial output. If max_out_len is 1288 * insufficient, zero will be returned and out_len will be set to zero. 1289 * 1290 * If the input and output are aliased then out must be <= in. */ 1291 int EVP_AEAD_CTX_open(const EVP_AEAD_CTX *ctx, unsigned char *out, 1292 size_t *out_len, size_t max_out_len, const unsigned char *nonce, 1293 size_t nonce_len, const unsigned char *in, size_t in_len, 1294 const unsigned char *ad, size_t ad_len); 1295 1296 void EVP_add_alg_module(void); 1297 1298 /* BEGIN ERROR CODES */ 1299 /* The following lines are auto generated by the script mkerr.pl. Any changes 1300 * made after this point may be overwritten when the script is next run. 1301 */ 1302 void ERR_load_EVP_strings(void); 1303 1304 /* Error codes for the EVP functions. */ 1305 1306 /* Function codes. */ 1307 #define EVP_F_AEAD_AES_GCM_INIT 187 1308 #define EVP_F_AEAD_AES_GCM_OPEN 188 1309 #define EVP_F_AEAD_AES_GCM_SEAL 189 1310 #define EVP_F_AEAD_CHACHA20_POLY1305_INIT 192 1311 #define EVP_F_AEAD_CHACHA20_POLY1305_OPEN 193 1312 #define EVP_F_AEAD_CHACHA20_POLY1305_SEAL 194 1313 #define EVP_F_AEAD_CTX_OPEN 185 1314 #define EVP_F_AEAD_CTX_SEAL 186 1315 #define EVP_F_AESNI_INIT_KEY 165 1316 #define EVP_F_AESNI_XTS_CIPHER 176 1317 #define EVP_F_AES_INIT_KEY 133 1318 #define EVP_F_AES_XTS 172 1319 #define EVP_F_AES_XTS_CIPHER 175 1320 #define EVP_F_ALG_MODULE_INIT 177 1321 #define EVP_F_CAMELLIA_INIT_KEY 159 1322 #define EVP_F_CMAC_INIT 173 1323 #define EVP_F_D2I_PKEY 100 1324 #define EVP_F_DO_SIGVER_INIT 161 1325 #define EVP_F_DSAPKEY2PKCS8 134 1326 #define EVP_F_DSA_PKEY2PKCS8 135 1327 #define EVP_F_ECDSA_PKEY2PKCS8 129 1328 #define EVP_F_ECKEY_PKEY2PKCS8 132 1329 #define EVP_F_EVP_AEAD_CTX_INIT 180 1330 #define EVP_F_EVP_AEAD_CTX_OPEN 190 1331 #define EVP_F_EVP_AEAD_CTX_SEAL 191 1332 #define EVP_F_EVP_CIPHERINIT_EX 123 1333 #define EVP_F_EVP_CIPHER_CTX_COPY 163 1334 #define EVP_F_EVP_CIPHER_CTX_CTRL 124 1335 #define EVP_F_EVP_CIPHER_CTX_SET_KEY_LENGTH 122 1336 #define EVP_F_EVP_DECRYPTFINAL_EX 101 1337 #define EVP_F_EVP_DIGESTINIT_EX 128 1338 #define EVP_F_EVP_ENCRYPTFINAL_EX 127 1339 #define EVP_F_EVP_MD_CTX_COPY_EX 110 1340 #define EVP_F_EVP_MD_SIZE 162 1341 #define EVP_F_EVP_OPENINIT 102 1342 #define EVP_F_EVP_PBE_ALG_ADD 115 1343 #define EVP_F_EVP_PBE_ALG_ADD_TYPE 160 1344 #define EVP_F_EVP_PBE_CIPHERINIT 116 1345 #define EVP_F_EVP_PKCS82PKEY 111 1346 #define EVP_F_EVP_PKCS82PKEY_BROKEN 136 1347 #define EVP_F_EVP_PKEY2PKCS8_BROKEN 113 1348 #define EVP_F_EVP_PKEY_COPY_PARAMETERS 103 1349 #define EVP_F_EVP_PKEY_CTX_CTRL 137 1350 #define EVP_F_EVP_PKEY_CTX_CTRL_STR 150 1351 #define EVP_F_EVP_PKEY_CTX_DUP 156 1352 #define EVP_F_EVP_PKEY_DECRYPT 104 1353 #define EVP_F_EVP_PKEY_DECRYPT_INIT 138 1354 #define EVP_F_EVP_PKEY_DECRYPT_OLD 151 1355 #define EVP_F_EVP_PKEY_DERIVE 153 1356 #define EVP_F_EVP_PKEY_DERIVE_INIT 154 1357 #define EVP_F_EVP_PKEY_DERIVE_SET_PEER 155 1358 #define EVP_F_EVP_PKEY_ENCRYPT 105 1359 #define EVP_F_EVP_PKEY_ENCRYPT_INIT 139 1360 #define EVP_F_EVP_PKEY_ENCRYPT_OLD 152 1361 #define EVP_F_EVP_PKEY_GET1_DH 119 1362 #define EVP_F_EVP_PKEY_GET1_DSA 120 1363 #define EVP_F_EVP_PKEY_GET1_ECDSA 130 1364 #define EVP_F_EVP_PKEY_GET1_EC_KEY 131 1365 #define EVP_F_EVP_PKEY_GET1_RSA 121 1366 #define EVP_F_EVP_PKEY_KEYGEN 146 1367 #define EVP_F_EVP_PKEY_KEYGEN_INIT 147 1368 #define EVP_F_EVP_PKEY_NEW 106 1369 #define EVP_F_EVP_PKEY_PARAMGEN 148 1370 #define EVP_F_EVP_PKEY_PARAMGEN_INIT 149 1371 #define EVP_F_EVP_PKEY_SIGN 140 1372 #define EVP_F_EVP_PKEY_SIGN_INIT 141 1373 #define EVP_F_EVP_PKEY_VERIFY 142 1374 #define EVP_F_EVP_PKEY_VERIFY_INIT 143 1375 #define EVP_F_EVP_PKEY_VERIFY_RECOVER 144 1376 #define EVP_F_EVP_PKEY_VERIFY_RECOVER_INIT 145 1377 #define EVP_F_EVP_RIJNDAEL 126 1378 #define EVP_F_EVP_SIGNFINAL 107 1379 #define EVP_F_EVP_VERIFYFINAL 108 1380 #define EVP_F_FIPS_CIPHERINIT 166 1381 #define EVP_F_FIPS_CIPHER_CTX_COPY 170 1382 #define EVP_F_FIPS_CIPHER_CTX_CTRL 167 1383 #define EVP_F_FIPS_CIPHER_CTX_SET_KEY_LENGTH 171 1384 #define EVP_F_FIPS_DIGESTINIT 168 1385 #define EVP_F_FIPS_MD_CTX_COPY 169 1386 #define EVP_F_HMAC_INIT_EX 174 1387 #define EVP_F_INT_CTX_NEW 157 1388 #define EVP_F_PKCS5_PBE_KEYIVGEN 117 1389 #define EVP_F_PKCS5_V2_PBE_KEYIVGEN 118 1390 #define EVP_F_PKCS5_V2_PBKDF2_KEYIVGEN 164 1391 #define EVP_F_PKCS8_SET_BROKEN 112 1392 #define EVP_F_PKEY_SET_TYPE 158 1393 #define EVP_F_RC2_MAGIC_TO_METH 109 1394 #define EVP_F_RC5_CTRL 125 1395 1396 /* Reason codes. */ 1397 #define EVP_R_AES_IV_SETUP_FAILED 162 1398 #define EVP_R_AES_KEY_SETUP_FAILED 143 1399 #define EVP_R_ASN1_LIB 140 1400 #define EVP_R_BAD_BLOCK_LENGTH 136 1401 #define EVP_R_BAD_DECRYPT 100 1402 #define EVP_R_BAD_KEY_LENGTH 137 1403 #define EVP_R_BN_DECODE_ERROR 112 1404 #define EVP_R_BN_PUBKEY_ERROR 113 1405 #define EVP_R_BUFFER_TOO_SMALL 155 1406 #define EVP_R_CAMELLIA_KEY_SETUP_FAILED 157 1407 #define EVP_R_CIPHER_PARAMETER_ERROR 122 1408 #define EVP_R_COMMAND_NOT_SUPPORTED 147 1409 #define EVP_R_CTRL_NOT_IMPLEMENTED 132 1410 #define EVP_R_CTRL_OPERATION_NOT_IMPLEMENTED 133 1411 #define EVP_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH 138 1412 #define EVP_R_DECODE_ERROR 114 1413 #define EVP_R_DIFFERENT_KEY_TYPES 101 1414 #define EVP_R_DIFFERENT_PARAMETERS 153 1415 #define EVP_R_DISABLED_FOR_FIPS 163 1416 #define EVP_R_ENCODE_ERROR 115 1417 #define EVP_R_ERROR_LOADING_SECTION 165 1418 #define EVP_R_ERROR_SETTING_FIPS_MODE 166 1419 #define EVP_R_EVP_PBE_CIPHERINIT_ERROR 119 1420 #define EVP_R_EXPECTING_AN_RSA_KEY 127 1421 #define EVP_R_EXPECTING_A_DH_KEY 128 1422 #define EVP_R_EXPECTING_A_DSA_KEY 129 1423 #define EVP_R_EXPECTING_A_ECDSA_KEY 141 1424 #define EVP_R_EXPECTING_A_EC_KEY 142 1425 #define EVP_R_FIPS_MODE_NOT_SUPPORTED 167 1426 #define EVP_R_INITIALIZATION_ERROR 134 1427 #define EVP_R_INPUT_NOT_INITIALIZED 111 1428 #define EVP_R_INVALID_DIGEST 152 1429 #define EVP_R_INVALID_FIPS_MODE 168 1430 #define EVP_R_INVALID_KEY_LENGTH 130 1431 #define EVP_R_INVALID_OPERATION 148 1432 #define EVP_R_IV_TOO_LARGE 102 1433 #define EVP_R_KEYGEN_FAILURE 120 1434 #define EVP_R_MESSAGE_DIGEST_IS_NULL 159 1435 #define EVP_R_METHOD_NOT_SUPPORTED 144 1436 #define EVP_R_MISSING_PARAMETERS 103 1437 #define EVP_R_NO_CIPHER_SET 131 1438 #define EVP_R_NO_DEFAULT_DIGEST 158 1439 #define EVP_R_NO_DIGEST_SET 139 1440 #define EVP_R_NO_DSA_PARAMETERS 116 1441 #define EVP_R_NO_KEY_SET 154 1442 #define EVP_R_NO_OPERATION_SET 149 1443 #define EVP_R_NO_SIGN_FUNCTION_CONFIGURED 104 1444 #define EVP_R_NO_VERIFY_FUNCTION_CONFIGURED 105 1445 #define EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE 150 1446 #define EVP_R_OPERATON_NOT_INITIALIZED 151 1447 #define EVP_R_OUTPUT_ALIASES_INPUT 172 1448 #define EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE 117 1449 #define EVP_R_PRIVATE_KEY_DECODE_ERROR 145 1450 #define EVP_R_PRIVATE_KEY_ENCODE_ERROR 146 1451 #define EVP_R_PUBLIC_KEY_NOT_RSA 106 1452 #define EVP_R_TAG_TOO_LARGE 171 1453 #define EVP_R_TOO_LARGE 164 1454 #define EVP_R_UNKNOWN_CIPHER 160 1455 #define EVP_R_UNKNOWN_DIGEST 161 1456 #define EVP_R_UNKNOWN_OPTION 169 1457 #define EVP_R_UNKNOWN_PBE_ALGORITHM 121 1458 #define EVP_R_UNSUPORTED_NUMBER_OF_ROUNDS 135 1459 #define EVP_R_UNSUPPORTED_ALGORITHM 156 1460 #define EVP_R_UNSUPPORTED_CIPHER 107 1461 #define EVP_R_UNSUPPORTED_KEYLENGTH 123 1462 #define EVP_R_UNSUPPORTED_KEY_DERIVATION_FUNCTION 124 1463 #define EVP_R_UNSUPPORTED_KEY_SIZE 108 1464 #define EVP_R_UNSUPPORTED_PRF 125 1465 #define EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM 118 1466 #define EVP_R_UNSUPPORTED_SALT_TYPE 126 1467 #define EVP_R_WRONG_FINAL_BLOCK_LENGTH 109 1468 #define EVP_R_WRONG_PUBLIC_KEY_TYPE 110 1469 1470 #ifdef __cplusplus 1471 } 1472 #endif 1473 #endif 1474