1 /* crypto/evp/evp.h */ 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 #ifdef OPENSSL_ALGORITHM_DEFINES 63 # include <openssl/opensslconf.h> 64 #else 65 # define OPENSSL_ALGORITHM_DEFINES 66 # include <openssl/opensslconf.h> 67 # undef OPENSSL_ALGORITHM_DEFINES 68 #endif 69 70 #ifndef NO_BIO 71 #include <openssl/bio.h> 72 #endif 73 #ifndef NO_MD2 74 #include <openssl/md2.h> 75 #endif 76 #ifndef NO_MD4 77 #include <openssl/md4.h> 78 #endif 79 #ifndef NO_MD5 80 #include <openssl/md5.h> 81 #endif 82 #ifndef NO_SHA 83 #include <openssl/sha.h> 84 #endif 85 #ifndef NO_RIPEMD 86 #include <openssl/ripemd.h> 87 #endif 88 #ifndef NO_DES 89 #include <openssl/des.h> 90 #endif 91 #ifndef NO_RC4 92 #include <openssl/rc4.h> 93 #endif 94 #ifndef NO_RC2 95 #include <openssl/rc2.h> 96 #endif 97 #ifndef NO_RC5 98 #include <openssl/rc5.h> 99 #endif 100 #ifndef NO_BF 101 #include <openssl/blowfish.h> 102 #endif 103 #ifndef NO_CAST 104 #include <openssl/cast.h> 105 #endif 106 #ifndef NO_IDEA 107 #include <openssl/idea.h> 108 #endif 109 #ifndef NO_MDC2 110 #include <openssl/mdc2.h> 111 #endif 112 113 #define EVP_RC2_KEY_SIZE 16 114 #define EVP_RC4_KEY_SIZE 16 115 #define EVP_BLOWFISH_KEY_SIZE 16 116 #define EVP_CAST5_KEY_SIZE 16 117 #define EVP_RC5_32_12_16_KEY_SIZE 16 118 #define EVP_MAX_MD_SIZE (16+20) /* The SSLv3 md5+sha1 type */ 119 #define EVP_MAX_KEY_LENGTH 24 120 #define EVP_MAX_IV_LENGTH 8 121 122 #define PKCS5_SALT_LEN 8 123 /* Default PKCS#5 iteration count */ 124 #define PKCS5_DEFAULT_ITER 2048 125 126 #ifndef NO_RSA 127 #include <openssl/rsa.h> 128 #endif 129 130 #ifndef NO_DSA 131 #include <openssl/dsa.h> 132 #endif 133 134 #ifndef NO_DH 135 #include <openssl/dh.h> 136 #endif 137 138 #include <openssl/objects.h> 139 140 #define EVP_PK_RSA 0x0001 141 #define EVP_PK_DSA 0x0002 142 #define EVP_PK_DH 0x0004 143 #define EVP_PKT_SIGN 0x0010 144 #define EVP_PKT_ENC 0x0020 145 #define EVP_PKT_EXCH 0x0040 146 #define EVP_PKS_RSA 0x0100 147 #define EVP_PKS_DSA 0x0200 148 #define EVP_PKT_EXP 0x1000 /* <= 512 bit key */ 149 150 #define EVP_PKEY_NONE NID_undef 151 #define EVP_PKEY_RSA NID_rsaEncryption 152 #define EVP_PKEY_RSA2 NID_rsa 153 #define EVP_PKEY_DSA NID_dsa 154 #define EVP_PKEY_DSA1 NID_dsa_2 155 #define EVP_PKEY_DSA2 NID_dsaWithSHA 156 #define EVP_PKEY_DSA3 NID_dsaWithSHA1 157 #define EVP_PKEY_DSA4 NID_dsaWithSHA1_2 158 #define EVP_PKEY_DH NID_dhKeyAgreement 159 160 #ifdef __cplusplus 161 extern "C" { 162 #endif 163 164 /* Type needs to be a bit field 165 * Sub-type needs to be for variations on the method, as in, can it do 166 * arbitrary encryption.... */ 167 typedef struct evp_pkey_st 168 { 169 int type; 170 int save_type; 171 int references; 172 union { 173 char *ptr; 174 #ifndef NO_RSA 175 struct rsa_st *rsa; /* RSA */ 176 #endif 177 #ifndef NO_DSA 178 struct dsa_st *dsa; /* DSA */ 179 #endif 180 #ifndef NO_DH 181 struct dh_st *dh; /* DH */ 182 #endif 183 } pkey; 184 int save_parameters; 185 STACK_OF(X509_ATTRIBUTE) *attributes; /* [ 0 ] */ 186 } EVP_PKEY; 187 188 #define EVP_PKEY_MO_SIGN 0x0001 189 #define EVP_PKEY_MO_VERIFY 0x0002 190 #define EVP_PKEY_MO_ENCRYPT 0x0004 191 #define EVP_PKEY_MO_DECRYPT 0x0008 192 193 #if 0 194 /* This structure is required to tie the message digest and signing together. 195 * The lookup can be done by md/pkey_method, oid, oid/pkey_method, or 196 * oid, md and pkey. 197 * This is required because for various smart-card perform the digest and 198 * signing/verification on-board. To handle this case, the specific 199 * EVP_MD and EVP_PKEY_METHODs need to be closely associated. 200 * When a PKEY is created, it will have a EVP_PKEY_METHOD associated with it. 201 * This can either be software or a token to provide the required low level 202 * routines. 203 */ 204 typedef struct evp_pkey_md_st 205 { 206 int oid; 207 EVP_MD *md; 208 EVP_PKEY_METHOD *pkey; 209 } EVP_PKEY_MD; 210 211 #define EVP_rsa_md2() \ 212 EVP_PKEY_MD_add(NID_md2WithRSAEncryption,\ 213 EVP_rsa_pkcs1(),EVP_md2()) 214 #define EVP_rsa_md5() \ 215 EVP_PKEY_MD_add(NID_md5WithRSAEncryption,\ 216 EVP_rsa_pkcs1(),EVP_md5()) 217 #define EVP_rsa_sha0() \ 218 EVP_PKEY_MD_add(NID_shaWithRSAEncryption,\ 219 EVP_rsa_pkcs1(),EVP_sha()) 220 #define EVP_rsa_sha1() \ 221 EVP_PKEY_MD_add(NID_sha1WithRSAEncryption,\ 222 EVP_rsa_pkcs1(),EVP_sha1()) 223 #define EVP_rsa_ripemd160() \ 224 EVP_PKEY_MD_add(NID_ripemd160WithRSA,\ 225 EVP_rsa_pkcs1(),EVP_ripemd160()) 226 #define EVP_rsa_mdc2() \ 227 EVP_PKEY_MD_add(NID_mdc2WithRSA,\ 228 EVP_rsa_octet_string(),EVP_mdc2()) 229 #define EVP_dsa_sha() \ 230 EVP_PKEY_MD_add(NID_dsaWithSHA,\ 231 EVP_dsa(),EVP_mdc2()) 232 #define EVP_dsa_sha1() \ 233 EVP_PKEY_MD_add(NID_dsaWithSHA1,\ 234 EVP_dsa(),EVP_sha1()) 235 236 typedef struct evp_pkey_method_st 237 { 238 char *name; 239 int flags; 240 int type; /* RSA, DSA, an SSLeay specific constant */ 241 int oid; /* For the pub-key type */ 242 int encrypt_oid; /* pub/priv key encryption */ 243 244 int (*sign)(); 245 int (*verify)(); 246 struct { 247 int (*set)(); /* get and/or set the underlying type */ 248 int (*get)(); 249 int (*encrypt)(); 250 int (*decrypt)(); 251 int (*i2d)(); 252 int (*d2i)(); 253 int (*dup)(); 254 } pub,priv; 255 int (*set_asn1_parameters)(); 256 int (*get_asn1_parameters)(); 257 } EVP_PKEY_METHOD; 258 #endif 259 260 #ifndef EVP_MD 261 typedef struct env_md_st 262 { 263 int type; 264 int pkey_type; 265 int md_size; 266 void (*init)(); 267 void (*update)(); 268 void (*final)(); 269 270 int (*sign)(); 271 int (*verify)(); 272 int required_pkey_type[5]; /*EVP_PKEY_xxx */ 273 int block_size; 274 int ctx_size; /* how big does the ctx need to be */ 275 } EVP_MD; 276 277 278 279 #define EVP_PKEY_NULL_method NULL,NULL,{0,0,0,0} 280 281 #ifndef NO_DSA 282 #define EVP_PKEY_DSA_method DSA_sign,DSA_verify, \ 283 {EVP_PKEY_DSA,EVP_PKEY_DSA2,EVP_PKEY_DSA3, \ 284 EVP_PKEY_DSA4,0} 285 #else 286 #define EVP_PKEY_DSA_method EVP_PKEY_NULL_method 287 #endif 288 289 #ifndef NO_RSA 290 #define EVP_PKEY_RSA_method RSA_sign,RSA_verify, \ 291 {EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0} 292 #define EVP_PKEY_RSA_ASN1_OCTET_STRING_method \ 293 RSA_sign_ASN1_OCTET_STRING, \ 294 RSA_verify_ASN1_OCTET_STRING, \ 295 {EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0} 296 #else 297 #define EVP_PKEY_RSA_method EVP_PKEY_NULL_method 298 #define EVP_PKEY_RSA_ASN1_OCTET_STRING_method EVP_PKEY_NULL_method 299 #endif 300 301 #endif /* !EVP_MD */ 302 303 typedef struct env_md_ctx_st 304 { 305 const EVP_MD *digest; 306 union { 307 unsigned char base[4]; 308 #ifndef NO_MD2 309 MD2_CTX md2; 310 #endif 311 #ifndef NO_MD5 312 MD5_CTX md5; 313 #endif 314 #ifndef NO_MD4 315 MD4_CTX md4; 316 #endif 317 #ifndef NO_RIPEMD 318 RIPEMD160_CTX ripemd160; 319 #endif 320 #ifndef NO_SHA 321 SHA_CTX sha; 322 #endif 323 #ifndef NO_MDC2 324 MDC2_CTX mdc2; 325 #endif 326 } md; 327 } EVP_MD_CTX; 328 329 typedef struct evp_cipher_st EVP_CIPHER; 330 typedef struct evp_cipher_ctx_st EVP_CIPHER_CTX; 331 332 struct evp_cipher_st 333 { 334 int nid; 335 int block_size; 336 int key_len; /* Default value for variable length ciphers */ 337 int iv_len; 338 unsigned long flags; /* Various flags */ 339 int (*init)(EVP_CIPHER_CTX *ctx, const unsigned char *key, 340 const unsigned char *iv, int enc); /* init key */ 341 int (*do_cipher)(EVP_CIPHER_CTX *ctx, unsigned char *out, 342 const unsigned char *in, unsigned int inl);/* encrypt/decrypt data */ 343 int (*cleanup)(EVP_CIPHER_CTX *); /* cleanup ctx */ 344 int ctx_size; /* how big the ctx needs to be */ 345 int (*set_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Populate a ASN1_TYPE with parameters */ 346 int (*get_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Get parameters from a ASN1_TYPE */ 347 int (*ctrl)(EVP_CIPHER_CTX *, int type, int arg, void *ptr); /* Miscellaneous operations */ 348 void *app_data; /* Application data */ 349 }; 350 351 /* Values for cipher flags */ 352 353 /* Modes for ciphers */ 354 355 #define EVP_CIPH_STREAM_CIPHER 0x0 356 #define EVP_CIPH_ECB_MODE 0x1 357 #define EVP_CIPH_CBC_MODE 0x2 358 #define EVP_CIPH_CFB_MODE 0x3 359 #define EVP_CIPH_OFB_MODE 0x4 360 #define EVP_CIPH_MODE 0x7 361 /* Set if variable length cipher */ 362 #define EVP_CIPH_VARIABLE_LENGTH 0x8 363 /* Set if the iv handling should be done by the cipher itself */ 364 #define EVP_CIPH_CUSTOM_IV 0x10 365 /* Set if the cipher's init() function should be called if key is NULL */ 366 #define EVP_CIPH_ALWAYS_CALL_INIT 0x20 367 /* Call ctrl() to init cipher parameters */ 368 #define EVP_CIPH_CTRL_INIT 0x40 369 /* Don't use standard key length function */ 370 #define EVP_CIPH_CUSTOM_KEY_LENGTH 0x80 371 372 /* ctrl() values */ 373 374 #define EVP_CTRL_INIT 0x0 375 #define EVP_CTRL_SET_KEY_LENGTH 0x1 376 #define EVP_CTRL_GET_RC2_KEY_BITS 0x2 377 #define EVP_CTRL_SET_RC2_KEY_BITS 0x3 378 #define EVP_CTRL_GET_RC5_ROUNDS 0x4 379 #define EVP_CTRL_SET_RC5_ROUNDS 0x5 380 381 typedef struct evp_cipher_info_st 382 { 383 const EVP_CIPHER *cipher; 384 unsigned char iv[EVP_MAX_IV_LENGTH]; 385 } EVP_CIPHER_INFO; 386 387 struct evp_cipher_ctx_st 388 { 389 const EVP_CIPHER *cipher; 390 int encrypt; /* encrypt or decrypt */ 391 int buf_len; /* number we have left */ 392 393 unsigned char oiv[EVP_MAX_IV_LENGTH]; /* original iv */ 394 unsigned char iv[EVP_MAX_IV_LENGTH]; /* working iv */ 395 unsigned char buf[EVP_MAX_IV_LENGTH]; /* saved partial block */ 396 int num; /* used by cfb/ofb mode */ 397 398 void *app_data; /* application stuff */ 399 int key_len; /* May change for variable length cipher */ 400 union { 401 #ifndef NO_RC4 402 struct 403 { 404 unsigned char key[EVP_RC4_KEY_SIZE]; 405 RC4_KEY ks; /* working key */ 406 } rc4; 407 #endif 408 #ifndef NO_DES 409 des_key_schedule des_ks;/* key schedule */ 410 struct 411 { 412 des_key_schedule ks;/* key schedule */ 413 des_cblock inw; 414 des_cblock outw; 415 } desx_cbc; 416 struct 417 { 418 des_key_schedule ks1;/* key schedule */ 419 des_key_schedule ks2;/* key schedule (for ede) */ 420 des_key_schedule ks3;/* key schedule (for ede3) */ 421 } des_ede; 422 #endif 423 #ifndef NO_IDEA 424 IDEA_KEY_SCHEDULE idea_ks;/* key schedule */ 425 #endif 426 #ifndef NO_RC2 427 struct { 428 int key_bits; /* effective key bits */ 429 RC2_KEY ks;/* key schedule */ 430 } rc2; 431 #endif 432 #ifndef NO_RC5 433 struct { 434 int rounds; /* number of rounds */ 435 RC5_32_KEY ks;/* key schedule */ 436 } rc5; 437 #endif 438 #ifndef NO_BF 439 BF_KEY bf_ks;/* key schedule */ 440 #endif 441 #ifndef NO_CAST 442 CAST_KEY cast_ks;/* key schedule */ 443 #endif 444 } c; 445 }; 446 447 typedef struct evp_Encode_Ctx_st 448 { 449 int num; /* number saved in a partial encode/decode */ 450 int length; /* The length is either the output line length 451 * (in input bytes) or the shortest input line 452 * length that is ok. Once decoding begins, 453 * the length is adjusted up each time a longer 454 * line is decoded */ 455 unsigned char enc_data[80]; /* data to encode */ 456 int line_num; /* number read on current line */ 457 int expect_nl; 458 } EVP_ENCODE_CTX; 459 460 /* Password based encryption function */ 461 typedef int (EVP_PBE_KEYGEN)(EVP_CIPHER_CTX *ctx, const char *pass, int passlen, 462 ASN1_TYPE *param, EVP_CIPHER *cipher, 463 EVP_MD *md, int en_de); 464 465 #ifndef NO_RSA 466 #define EVP_PKEY_assign_RSA(pkey,rsa) EVP_PKEY_assign((pkey),EVP_PKEY_RSA,\ 467 (char *)(rsa)) 468 #endif 469 470 #ifndef NO_DSA 471 #define EVP_PKEY_assign_DSA(pkey,dsa) EVP_PKEY_assign((pkey),EVP_PKEY_DSA,\ 472 (char *)(dsa)) 473 #endif 474 475 #ifndef NO_DH 476 #define EVP_PKEY_assign_DH(pkey,dh) EVP_PKEY_assign((pkey),EVP_PKEY_DH,\ 477 (char *)(dh)) 478 #endif 479 480 /* Add some extra combinations */ 481 #define EVP_get_digestbynid(a) EVP_get_digestbyname(OBJ_nid2sn(a)) 482 #define EVP_get_digestbyobj(a) EVP_get_digestbynid(OBJ_obj2nid(a)) 483 #define EVP_get_cipherbynid(a) EVP_get_cipherbyname(OBJ_nid2sn(a)) 484 #define EVP_get_cipherbyobj(a) EVP_get_cipherbynid(OBJ_obj2nid(a)) 485 486 #define EVP_MD_type(e) ((e)->type) 487 #define EVP_MD_pkey_type(e) ((e)->pkey_type) 488 #define EVP_MD_size(e) ((e)->md_size) 489 #define EVP_MD_block_size(e) ((e)->block_size) 490 491 #define EVP_MD_CTX_md(e) ((e)->digest) 492 #define EVP_MD_CTX_size(e) EVP_MD_size((e)->digest) 493 #define EVP_MD_CTX_block_size(e) EVP_MD_block_size((e)->digest) 494 #define EVP_MD_CTX_type(e) EVP_MD_type((e)->digest) 495 496 #define EVP_CIPHER_nid(e) ((e)->nid) 497 #define EVP_CIPHER_block_size(e) ((e)->block_size) 498 #define EVP_CIPHER_key_length(e) ((e)->key_len) 499 #define EVP_CIPHER_iv_length(e) ((e)->iv_len) 500 #define EVP_CIPHER_flags(e) ((e)->flags) 501 #define EVP_CIPHER_mode(e) ((e)->flags) & EVP_CIPH_MODE) 502 503 #define EVP_CIPHER_CTX_cipher(e) ((e)->cipher) 504 #define EVP_CIPHER_CTX_nid(e) ((e)->cipher->nid) 505 #define EVP_CIPHER_CTX_block_size(e) ((e)->cipher->block_size) 506 #define EVP_CIPHER_CTX_key_length(e) ((e)->key_len) 507 #define EVP_CIPHER_CTX_iv_length(e) ((e)->cipher->iv_len) 508 #define EVP_CIPHER_CTX_get_app_data(e) ((e)->app_data) 509 #define EVP_CIPHER_CTX_set_app_data(e,d) ((e)->app_data=(char *)(d)) 510 #define EVP_CIPHER_CTX_type(c) EVP_CIPHER_type(EVP_CIPHER_CTX_cipher(c)) 511 #define EVP_CIPHER_CTX_flags(e) ((e)->cipher->flags) 512 #define EVP_CIPHER_CTX_mode(e) ((e)->cipher->flags & EVP_CIPH_MODE) 513 514 #define EVP_ENCODE_LENGTH(l) (((l+2)/3*4)+(l/48+1)*2+80) 515 #define EVP_DECODE_LENGTH(l) ((l+3)/4*3+80) 516 517 #define EVP_SignInit(a,b) EVP_DigestInit(a,b) 518 #define EVP_SignUpdate(a,b,c) EVP_DigestUpdate(a,b,c) 519 #define EVP_VerifyInit(a,b) EVP_DigestInit(a,b) 520 #define EVP_VerifyUpdate(a,b,c) EVP_DigestUpdate(a,b,c) 521 #define EVP_OpenUpdate(a,b,c,d,e) EVP_DecryptUpdate(a,b,c,d,e) 522 #define EVP_SealUpdate(a,b,c,d,e) EVP_EncryptUpdate(a,b,c,d,e) 523 524 #ifdef CONST_STRICT 525 void BIO_set_md(BIO *,const EVP_MD *md); 526 #else 527 # define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,0,(char *)md) 528 #endif 529 #define BIO_get_md(b,mdp) BIO_ctrl(b,BIO_C_GET_MD,0,(char *)mdp) 530 #define BIO_get_md_ctx(b,mdcp) BIO_ctrl(b,BIO_C_GET_MD_CTX,0,(char *)mdcp) 531 #define BIO_get_cipher_status(b) BIO_ctrl(b,BIO_C_GET_CIPHER_STATUS,0,NULL) 532 #define BIO_get_cipher_ctx(b,c_pp) BIO_ctrl(b,BIO_C_GET_CIPHER_CTX,0,(char *)c_pp) 533 534 #define EVP_Cipher(c,o,i,l) (c)->cipher->do_cipher((c),(o),(i),(l)) 535 536 #define EVP_add_cipher_alias(n,alias) \ 537 OBJ_NAME_add((alias),OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS,(n)) 538 #define EVP_add_digest_alias(n,alias) \ 539 OBJ_NAME_add((alias),OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,(n)) 540 #define EVP_delete_cipher_alias(alias) \ 541 OBJ_NAME_remove(alias,OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS); 542 #define EVP_delete_digest_alias(alias) \ 543 OBJ_NAME_remove(alias,OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS); 544 545 546 int EVP_MD_CTX_copy(EVP_MD_CTX *out,EVP_MD_CTX *in); 547 void EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type); 548 void EVP_DigestUpdate(EVP_MD_CTX *ctx,const void *d, 549 unsigned int cnt); 550 void EVP_DigestFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s); 551 552 int EVP_read_pw_string(char *buf,int length,const char *prompt,int verify); 553 void EVP_set_pw_prompt(char *prompt); 554 char * EVP_get_pw_prompt(void); 555 556 int EVP_BytesToKey(const EVP_CIPHER *type, EVP_MD *md, 557 const unsigned char *salt, const unsigned char *data, int datal, 558 int count, unsigned char *key, unsigned char *iv); 559 560 int EVP_EncryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type, 561 unsigned char *key, unsigned char *iv); 562 int EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, 563 int *outl, unsigned char *in, int inl); 564 int EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl); 565 566 int EVP_DecryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type, 567 unsigned char *key, unsigned char *iv); 568 int EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, 569 int *outl, unsigned char *in, int inl); 570 int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl); 571 572 int EVP_CipherInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type, 573 unsigned char *key,unsigned char *iv,int enc); 574 int EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, 575 int *outl, unsigned char *in, int inl); 576 int EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl); 577 578 int EVP_SignFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s, 579 EVP_PKEY *pkey); 580 581 int EVP_VerifyFinal(EVP_MD_CTX *ctx,unsigned char *sigbuf, 582 unsigned int siglen,EVP_PKEY *pkey); 583 584 int EVP_OpenInit(EVP_CIPHER_CTX *ctx,EVP_CIPHER *type,unsigned char *ek, 585 int ekl,unsigned char *iv,EVP_PKEY *priv); 586 int EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl); 587 588 int EVP_SealInit(EVP_CIPHER_CTX *ctx, EVP_CIPHER *type, unsigned char **ek, 589 int *ekl, unsigned char *iv,EVP_PKEY **pubk, int npubk); 590 void EVP_SealFinal(EVP_CIPHER_CTX *ctx,unsigned char *out,int *outl); 591 592 void EVP_EncodeInit(EVP_ENCODE_CTX *ctx); 593 void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out, 594 int *outl,unsigned char *in,int inl); 595 void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl); 596 int EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int n); 597 598 void EVP_DecodeInit(EVP_ENCODE_CTX *ctx); 599 int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl, 600 unsigned char *in, int inl); 601 int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned 602 char *out, int *outl); 603 int EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n); 604 605 void ERR_load_EVP_strings(void ); 606 607 void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *a); 608 int EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *a); 609 int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *x, int keylen); 610 int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr); 611 612 #ifndef NO_BIO 613 BIO_METHOD *BIO_f_md(void); 614 BIO_METHOD *BIO_f_base64(void); 615 BIO_METHOD *BIO_f_cipher(void); 616 BIO_METHOD *BIO_f_reliable(void); 617 void BIO_set_cipher(BIO *b,const EVP_CIPHER *c,unsigned char *k, 618 unsigned char *i, int enc); 619 #endif 620 621 EVP_MD *EVP_md_null(void); 622 #ifndef NO_MD2 623 EVP_MD *EVP_md2(void); 624 #endif 625 #ifndef NO_MD4 626 EVP_MD *EVP_md4(void); 627 #endif 628 #ifndef NO_MD5 629 EVP_MD *EVP_md5(void); 630 #endif 631 #ifndef NO_SHA 632 EVP_MD *EVP_sha(void); 633 EVP_MD *EVP_sha1(void); 634 EVP_MD *EVP_dss(void); 635 EVP_MD *EVP_dss1(void); 636 #endif 637 #ifndef NO_MDC2 638 EVP_MD *EVP_mdc2(void); 639 #endif 640 #ifndef NO_RIPEMD 641 EVP_MD *EVP_ripemd160(void); 642 #endif 643 EVP_CIPHER *EVP_enc_null(void); /* does nothing :-) */ 644 #ifndef NO_DES 645 EVP_CIPHER *EVP_des_ecb(void); 646 EVP_CIPHER *EVP_des_ede(void); 647 EVP_CIPHER *EVP_des_ede3(void); 648 EVP_CIPHER *EVP_des_cfb(void); 649 EVP_CIPHER *EVP_des_ede_cfb(void); 650 EVP_CIPHER *EVP_des_ede3_cfb(void); 651 EVP_CIPHER *EVP_des_ofb(void); 652 EVP_CIPHER *EVP_des_ede_ofb(void); 653 EVP_CIPHER *EVP_des_ede3_ofb(void); 654 EVP_CIPHER *EVP_des_cbc(void); 655 EVP_CIPHER *EVP_des_ede_cbc(void); 656 EVP_CIPHER *EVP_des_ede3_cbc(void); 657 EVP_CIPHER *EVP_desx_cbc(void); 658 #endif 659 #ifndef NO_RC4 660 EVP_CIPHER *EVP_rc4(void); 661 EVP_CIPHER *EVP_rc4_40(void); 662 #endif 663 #ifndef NO_IDEA 664 EVP_CIPHER *EVP_idea_ecb(void); 665 EVP_CIPHER *EVP_idea_cfb(void); 666 EVP_CIPHER *EVP_idea_ofb(void); 667 EVP_CIPHER *EVP_idea_cbc(void); 668 #endif 669 #ifndef NO_RC2 670 EVP_CIPHER *EVP_rc2_ecb(void); 671 EVP_CIPHER *EVP_rc2_cbc(void); 672 EVP_CIPHER *EVP_rc2_40_cbc(void); 673 EVP_CIPHER *EVP_rc2_64_cbc(void); 674 EVP_CIPHER *EVP_rc2_cfb(void); 675 EVP_CIPHER *EVP_rc2_ofb(void); 676 #endif 677 #ifndef NO_BF 678 EVP_CIPHER *EVP_bf_ecb(void); 679 EVP_CIPHER *EVP_bf_cbc(void); 680 EVP_CIPHER *EVP_bf_cfb(void); 681 EVP_CIPHER *EVP_bf_ofb(void); 682 #endif 683 #ifndef NO_CAST 684 EVP_CIPHER *EVP_cast5_ecb(void); 685 EVP_CIPHER *EVP_cast5_cbc(void); 686 EVP_CIPHER *EVP_cast5_cfb(void); 687 EVP_CIPHER *EVP_cast5_ofb(void); 688 #endif 689 #ifndef NO_RC5 690 EVP_CIPHER *EVP_rc5_32_12_16_cbc(void); 691 EVP_CIPHER *EVP_rc5_32_12_16_ecb(void); 692 EVP_CIPHER *EVP_rc5_32_12_16_cfb(void); 693 EVP_CIPHER *EVP_rc5_32_12_16_ofb(void); 694 #endif 695 void OpenSSL_add_all_algorithms(void); 696 void OpenSSL_add_all_ciphers(void); 697 void OpenSSL_add_all_digests(void); 698 #define SSLeay_add_all_algorithms() OpenSSL_add_all_algorithms() 699 #define SSLeay_add_all_ciphers() OpenSSL_add_all_ciphers() 700 #define SSLeay_add_all_digests() OpenSSL_add_all_digests() 701 702 int EVP_add_cipher(EVP_CIPHER *cipher); 703 int EVP_add_digest(EVP_MD *digest); 704 705 const EVP_CIPHER *EVP_get_cipherbyname(const char *name); 706 const EVP_MD *EVP_get_digestbyname(const char *name); 707 void EVP_cleanup(void); 708 709 int EVP_PKEY_decrypt(unsigned char *dec_key,unsigned char *enc_key, 710 int enc_key_len,EVP_PKEY *private_key); 711 int EVP_PKEY_encrypt(unsigned char *enc_key, 712 unsigned char *key,int key_len,EVP_PKEY *pub_key); 713 int EVP_PKEY_type(int type); 714 int EVP_PKEY_bits(EVP_PKEY *pkey); 715 int EVP_PKEY_size(EVP_PKEY *pkey); 716 int EVP_PKEY_assign(EVP_PKEY *pkey,int type,char *key); 717 #ifndef NO_RSA 718 int EVP_PKEY_set1_RSA(EVP_PKEY *pkey,RSA *key); 719 RSA * EVP_PKEY_get1_RSA(EVP_PKEY *pkey); 720 #endif 721 #ifndef NO_DSA 722 int EVP_PKEY_set1_DSA(EVP_PKEY *pkey,DSA *key); 723 DSA * EVP_PKEY_get1_DSA(EVP_PKEY *pkey); 724 #endif 725 #ifndef NO_DH 726 int EVP_PKEY_set1_DH(EVP_PKEY *pkey,DH *key); 727 DH * EVP_PKEY_get1_DH(EVP_PKEY *pkey); 728 #endif 729 EVP_PKEY * EVP_PKEY_new(void); 730 void EVP_PKEY_free(EVP_PKEY *pkey); 731 EVP_PKEY * d2i_PublicKey(int type,EVP_PKEY **a, unsigned char **pp, 732 long length); 733 int i2d_PublicKey(EVP_PKEY *a, unsigned char **pp); 734 735 EVP_PKEY * d2i_PrivateKey(int type,EVP_PKEY **a, unsigned char **pp, 736 long length); 737 EVP_PKEY * d2i_AutoPrivateKey(EVP_PKEY **a, unsigned char **pp, 738 long length); 739 int i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp); 740 741 int EVP_PKEY_copy_parameters(EVP_PKEY *to,EVP_PKEY *from); 742 int EVP_PKEY_missing_parameters(EVP_PKEY *pkey); 743 int EVP_PKEY_save_parameters(EVP_PKEY *pkey,int mode); 744 int EVP_PKEY_cmp_parameters(EVP_PKEY *a,EVP_PKEY *b); 745 746 int EVP_CIPHER_type(const EVP_CIPHER *ctx); 747 748 /* calls methods */ 749 int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type); 750 int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type); 751 752 /* These are used by EVP_CIPHER methods */ 753 int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type); 754 int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type); 755 756 /* PKCS5 password based encryption */ 757 int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen, 758 ASN1_TYPE *param, EVP_CIPHER *cipher, EVP_MD *md, 759 int en_de); 760 int PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen, 761 unsigned char *salt, int saltlen, int iter, 762 int keylen, unsigned char *out); 763 int PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen, 764 ASN1_TYPE *param, EVP_CIPHER *cipher, EVP_MD *md, 765 int en_de); 766 767 void PKCS5_PBE_add(void); 768 769 int EVP_PBE_CipherInit (ASN1_OBJECT *pbe_obj, const char *pass, int passlen, 770 ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de); 771 int EVP_PBE_alg_add(int nid, EVP_CIPHER *cipher, EVP_MD *md, 772 EVP_PBE_KEYGEN *keygen); 773 void EVP_PBE_cleanup(void); 774 775 /* BEGIN ERROR CODES */ 776 /* The following lines are auto generated by the script mkerr.pl. Any changes 777 * made after this point may be overwritten when the script is next run. 778 */ 779 780 /* Error codes for the EVP functions. */ 781 782 /* Function codes. */ 783 #define EVP_F_D2I_PKEY 100 784 #define EVP_F_EVP_CIPHERINIT 123 785 #define EVP_F_EVP_CIPHER_CTX_CTRL 124 786 #define EVP_F_EVP_CIPHER_CTX_SET_KEY_LENGTH 122 787 #define EVP_F_EVP_DECRYPTFINAL 101 788 #define EVP_F_EVP_MD_CTX_COPY 110 789 #define EVP_F_EVP_OPENINIT 102 790 #define EVP_F_EVP_PBE_ALG_ADD 115 791 #define EVP_F_EVP_PBE_CIPHERINIT 116 792 #define EVP_F_EVP_PKCS82PKEY 111 793 #define EVP_F_EVP_PKCS8_SET_BROKEN 112 794 #define EVP_F_EVP_PKEY2PKCS8 113 795 #define EVP_F_EVP_PKEY_COPY_PARAMETERS 103 796 #define EVP_F_EVP_PKEY_DECRYPT 104 797 #define EVP_F_EVP_PKEY_ENCRYPT 105 798 #define EVP_F_EVP_PKEY_GET1_DH 119 799 #define EVP_F_EVP_PKEY_GET1_DSA 120 800 #define EVP_F_EVP_PKEY_GET1_RSA 121 801 #define EVP_F_EVP_PKEY_NEW 106 802 #define EVP_F_EVP_SIGNFINAL 107 803 #define EVP_F_EVP_VERIFYFINAL 108 804 #define EVP_F_PKCS5_PBE_KEYIVGEN 117 805 #define EVP_F_PKCS5_V2_PBE_KEYIVGEN 118 806 #define EVP_F_RC2_MAGIC_TO_METH 109 807 #define EVP_F_RC5_CTRL 125 808 809 /* Reason codes. */ 810 #define EVP_R_BAD_DECRYPT 100 811 #define EVP_R_BN_DECODE_ERROR 112 812 #define EVP_R_BN_PUBKEY_ERROR 113 813 #define EVP_R_CIPHER_PARAMETER_ERROR 122 814 #define EVP_R_CTRL_NOT_IMPLEMENTED 132 815 #define EVP_R_CTRL_OPERATION_NOT_IMPLEMENTED 133 816 #define EVP_R_DECODE_ERROR 114 817 #define EVP_R_DIFFERENT_KEY_TYPES 101 818 #define EVP_R_ENCODE_ERROR 115 819 #define EVP_R_EVP_PBE_CIPHERINIT_ERROR 119 820 #define EVP_R_EXPECTING_AN_RSA_KEY 127 821 #define EVP_R_EXPECTING_A_DH_KEY 128 822 #define EVP_R_EXPECTING_A_DSA_KEY 129 823 #define EVP_R_INITIALIZATION_ERROR 134 824 #define EVP_R_INPUT_NOT_INITIALIZED 111 825 #define EVP_R_INVALID_KEY_LENGTH 130 826 #define EVP_R_IV_TOO_LARGE 102 827 #define EVP_R_KEYGEN_FAILURE 120 828 #define EVP_R_MISSING_PARAMETERS 103 829 #define EVP_R_NO_CIPHER_SET 131 830 #define EVP_R_NO_DSA_PARAMETERS 116 831 #define EVP_R_NO_SIGN_FUNCTION_CONFIGURED 104 832 #define EVP_R_NO_VERIFY_FUNCTION_CONFIGURED 105 833 #define EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE 117 834 #define EVP_R_PUBLIC_KEY_NOT_RSA 106 835 #define EVP_R_UNKNOWN_PBE_ALGORITHM 121 836 #define EVP_R_UNSUPORTED_NUMBER_OF_ROUNDS 135 837 #define EVP_R_UNSUPPORTED_CIPHER 107 838 #define EVP_R_UNSUPPORTED_KEYLENGTH 123 839 #define EVP_R_UNSUPPORTED_KEY_DERIVATION_FUNCTION 124 840 #define EVP_R_UNSUPPORTED_KEY_SIZE 108 841 #define EVP_R_UNSUPPORTED_PRF 125 842 #define EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM 118 843 #define EVP_R_UNSUPPORTED_SALT_TYPE 126 844 #define EVP_R_WRONG_FINAL_BLOCK_LENGTH 109 845 #define EVP_R_WRONG_PUBLIC_KEY_TYPE 110 846 847 #ifdef __cplusplus 848 } 849 #endif 850 #endif 851 852