evp.h revision 59194
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 * $FreeBSD: head/crypto/openssl/crypto/evp/evp.h 59194 2000-04-13 07:15:03Z kris $ 59 */ 60 61#ifndef HEADER_ENVELOPE_H 62#define HEADER_ENVELOPE_H 63 64#ifdef __cplusplus 65extern "C" { 66#endif 67 68#ifndef NO_MD2 69#include <openssl/md2.h> 70#endif 71#ifndef NO_MD5 72#include <openssl/md5.h> 73#endif 74#ifndef NO_SHA 75#include <openssl/sha.h> 76#endif 77#ifndef NO_RIPEMD 78#include <openssl/ripemd.h> 79#endif 80#ifndef NO_DES 81#include <openssl/des.h> 82#endif 83#ifndef NO_RC4 84#include <openssl/rc4.h> 85#endif 86#ifndef NO_RC2 87#include <openssl/rc2.h> 88#endif 89#ifndef NO_RC5 90#include <openssl/rc5.h> 91#endif 92#ifndef NO_BF 93#include <openssl/blowfish.h> 94#endif 95#ifndef NO_CAST 96#include <openssl/cast.h> 97#endif 98#ifndef NO_MDC2 99#include <openssl/mdc2.h> 100#endif 101 102#define EVP_RC2_KEY_SIZE 16 103#define EVP_RC4_KEY_SIZE 16 104#define EVP_BLOWFISH_KEY_SIZE 16 105#define EVP_CAST5_KEY_SIZE 16 106#define EVP_RC5_32_12_16_KEY_SIZE 16 107#define EVP_MAX_MD_SIZE (16+20) /* The SSLv3 md5+sha1 type */ 108#define EVP_MAX_KEY_LENGTH 24 109#define EVP_MAX_IV_LENGTH 8 110 111#define PKCS5_SALT_LEN 8 112/* Default PKCS#5 iteration count */ 113#define PKCS5_DEFAULT_ITER 2048 114 115#ifndef NO_RSA 116#include <openssl/rsa.h> 117#endif 118 119#ifndef NO_DSA 120#include <openssl/dsa.h> 121#endif 122 123#ifndef NO_DH 124#include <openssl/dh.h> 125#endif 126 127#include <openssl/objects.h> 128 129#define EVP_PK_RSA 0x0001 130#define EVP_PK_DSA 0x0002 131#define EVP_PK_DH 0x0004 132#define EVP_PKT_SIGN 0x0010 133#define EVP_PKT_ENC 0x0020 134#define EVP_PKT_EXCH 0x0040 135#define EVP_PKS_RSA 0x0100 136#define EVP_PKS_DSA 0x0200 137#define EVP_PKT_EXP 0x1000 /* <= 512 bit key */ 138 139#define EVP_PKEY_NONE NID_undef 140#define EVP_PKEY_RSA NID_rsaEncryption 141#define EVP_PKEY_RSA2 NID_rsa 142#define EVP_PKEY_DSA NID_dsa 143#define EVP_PKEY_DSA1 NID_dsa_2 144#define EVP_PKEY_DSA2 NID_dsaWithSHA 145#define EVP_PKEY_DSA3 NID_dsaWithSHA1 146#define EVP_PKEY_DSA4 NID_dsaWithSHA1_2 147#define EVP_PKEY_DH NID_dhKeyAgreement 148 149/* Type needs to be a bit field 150 * Sub-type needs to be for variations on the method, as in, can it do 151 * arbitrary encryption.... */ 152typedef struct evp_pkey_st 153 { 154 int type; 155 int save_type; 156 int references; 157 union { 158 char *ptr; 159#ifndef NO_RSA 160 struct rsa_st *rsa; /* RSA */ 161#endif 162#ifndef NO_DSA 163 struct dsa_st *dsa; /* DSA */ 164#endif 165#ifndef NO_DH 166 struct dh_st *dh; /* DH */ 167#endif 168 } pkey; 169 int save_parameters; 170 STACK /*X509_ATTRIBUTE*/ *attributes; /* [ 0 ] */ 171 } EVP_PKEY; 172 173#define EVP_PKEY_MO_SIGN 0x0001 174#define EVP_PKEY_MO_VERIFY 0x0002 175#define EVP_PKEY_MO_ENCRYPT 0x0004 176#define EVP_PKEY_MO_DECRYPT 0x0008 177 178#if 0 179/* This structure is required to tie the message digest and signing together. 180 * The lookup can be done by md/pkey_method, oid, oid/pkey_method, or 181 * oid, md and pkey. 182 * This is required because for various smart-card perform the digest and 183 * signing/verification on-board. To handle this case, the specific 184 * EVP_MD and EVP_PKEY_METHODs need to be closely associated. 185 * When a PKEY is created, it will have a EVP_PKEY_METHOD associated with it. 186 * This can either be software or a token to provide the required low level 187 * routines. 188 */ 189typedef struct evp_pkey_md_st 190 { 191 int oid; 192 EVP_MD *md; 193 EVP_PKEY_METHOD *pkey; 194 } EVP_PKEY_MD; 195 196#define EVP_rsa_md2() \ 197 EVP_PKEY_MD_add(NID_md2WithRSAEncryption,\ 198 EVP_rsa_pkcs1(),EVP_md2()) 199#define EVP_rsa_md5() \ 200 EVP_PKEY_MD_add(NID_md5WithRSAEncryption,\ 201 EVP_rsa_pkcs1(),EVP_md5()) 202#define EVP_rsa_sha0() \ 203 EVP_PKEY_MD_add(NID_shaWithRSAEncryption,\ 204 EVP_rsa_pkcs1(),EVP_sha()) 205#define EVP_rsa_sha1() \ 206 EVP_PKEY_MD_add(NID_sha1WithRSAEncryption,\ 207 EVP_rsa_pkcs1(),EVP_sha1()) 208#define EVP_rsa_ripemd160() \ 209 EVP_PKEY_MD_add(NID_ripemd160WithRSA,\ 210 EVP_rsa_pkcs1(),EVP_ripemd160()) 211#define EVP_rsa_mdc2() \ 212 EVP_PKEY_MD_add(NID_mdc2WithRSA,\ 213 EVP_rsa_octet_string(),EVP_mdc2()) 214#define EVP_dsa_sha() \ 215 EVP_PKEY_MD_add(NID_dsaWithSHA,\ 216 EVP_dsa(),EVP_mdc2()) 217#define EVP_dsa_sha1() \ 218 EVP_PKEY_MD_add(NID_dsaWithSHA1,\ 219 EVP_dsa(),EVP_sha1()) 220 221typedef struct evp_pkey_method_st 222 { 223 char *name; 224 int flags; 225 int type; /* RSA, DSA, an SSLeay specific constant */ 226 int oid; /* For the pub-key type */ 227 int encrypt_oid; /* pub/priv key encryption */ 228 229 int (*sign)(); 230 int (*verify)(); 231 struct { 232 int 233 int (*set)(); /* get and/or set the underlying type */ 234 int (*get)(); 235 int (*encrypt)(); 236 int (*decrypt)(); 237 int (*i2d)(); 238 int (*d2i)(); 239 int (*dup)(); 240 } pub,priv; 241 int (*set_asn1_parameters)(); 242 int (*get_asn1_parameters)(); 243 } EVP_PKEY_METHOD; 244#endif 245 246#ifndef EVP_MD 247typedef struct env_md_st 248 { 249 int type; 250 int pkey_type; 251 int md_size; 252 void (*init)(); 253 void (*update)(); 254 void (*final)(); 255 256 int (*sign)(); 257 int (*verify)(); 258 int required_pkey_type[5]; /*EVP_PKEY_xxx */ 259 int block_size; 260 int ctx_size; /* how big does the ctx need to be */ 261 } EVP_MD; 262 263 264 265#define EVP_PKEY_NULL_method NULL,NULL,{0,0,0,0} 266 267#ifndef NO_DSA 268#define EVP_PKEY_DSA_method DSA_sign,DSA_verify, \ 269 {EVP_PKEY_DSA,EVP_PKEY_DSA2,EVP_PKEY_DSA3, \ 270 EVP_PKEY_DSA4,0} 271#else 272#define EVP_PKEY_DSA_method EVP_PKEY_NULL_method 273#endif 274 275#ifndef NO_RSA 276#define EVP_PKEY_RSA_method RSA_sign,RSA_verify, \ 277 {EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0} 278#define EVP_PKEY_RSA_ASN1_OCTET_STRING_method \ 279 RSA_sign_ASN1_OCTET_STRING, \ 280 RSA_verify_ASN1_OCTET_STRING, \ 281 {EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0} 282#else 283#define EVP_PKEY_RSA_method EVP_PKEY_NULL_method 284#define EVP_PKEY_RSA_ASN1_OCTET_STRING_method EVP_PKEY_NULL_method 285#endif 286 287#endif /* !EVP_MD */ 288 289typedef struct env_md_ctx_st 290 { 291 const EVP_MD *digest; 292 union { 293 unsigned char base[4]; 294#ifndef NO_MD2 295 MD2_CTX md2; 296#endif 297#ifndef NO_MD5 298 MD5_CTX md5; 299#endif 300#ifndef NO_RIPEMD 301 RIPEMD160_CTX ripemd160; 302#endif 303#ifndef NO_SHA 304 SHA_CTX sha; 305#endif 306#ifndef NO_MDC2 307 MDC2_CTX mdc2; 308#endif 309 } md; 310 } EVP_MD_CTX; 311 312typedef struct evp_cipher_st 313 { 314 int nid; 315 int block_size; 316 int key_len; 317 int iv_len; 318 void (*init)(); /* init for encryption */ 319 void (*do_cipher)(); /* encrypt data */ 320 void (*cleanup)(); /* used by cipher method */ 321 int ctx_size; /* how big the ctx needs to be */ 322 /* int set_asn1_parameters(EVP_CIPHER_CTX,ASN1_TYPE *); */ 323 int (*set_asn1_parameters)(); /* Populate a ASN1_TYPE with parameters */ 324 /* int get_asn1_parameters(EVP_CIPHER_CTX,ASN1_TYPE *); */ 325 int (*get_asn1_parameters)(); /* Get parameters from a ASN1_TYPE */ 326 } EVP_CIPHER; 327 328typedef struct evp_cipher_info_st 329 { 330 const EVP_CIPHER *cipher; 331 unsigned char iv[EVP_MAX_IV_LENGTH]; 332 } EVP_CIPHER_INFO; 333 334typedef struct evp_cipher_ctx_st 335 { 336 const EVP_CIPHER *cipher; 337 int encrypt; /* encrypt or decrypt */ 338 int buf_len; /* number we have left */ 339 340 unsigned char oiv[EVP_MAX_IV_LENGTH]; /* original iv */ 341 unsigned char iv[EVP_MAX_IV_LENGTH]; /* working iv */ 342 unsigned char buf[EVP_MAX_IV_LENGTH]; /* saved partial block */ 343 int num; /* used by cfb/ofb mode */ 344 345 char *app_data; /* application stuff */ 346 union { 347#ifndef NO_RC4 348 struct 349 { 350 unsigned char key[EVP_RC4_KEY_SIZE]; 351 RC4_KEY ks; /* working key */ 352 } rc4; 353#endif 354#ifndef NO_DES 355 des_key_schedule des_ks;/* key schedule */ 356 struct 357 { 358 des_key_schedule ks;/* key schedule */ 359 des_cblock inw; 360 des_cblock outw; 361 } desx_cbc; 362 struct 363 { 364 des_key_schedule ks1;/* key schedule */ 365 des_key_schedule ks2;/* key schedule (for ede) */ 366 des_key_schedule ks3;/* key schedule (for ede3) */ 367 } des_ede; 368#endif 369#ifndef NO_RC2 370 RC2_KEY rc2_ks;/* key schedule */ 371#endif 372#ifndef NO_RC5 373 RC5_32_KEY rc5_ks;/* key schedule */ 374#endif 375#ifndef NO_BF 376 BF_KEY bf_ks;/* key schedule */ 377#endif 378#ifndef NO_CAST 379 CAST_KEY cast_ks;/* key schedule */ 380#endif 381 } c; 382 } EVP_CIPHER_CTX; 383 384typedef struct evp_Encode_Ctx_st 385 { 386 int num; /* number saved in a partial encode/decode */ 387 int length; /* The length is either the output line length 388 * (in input bytes) or the shortest input line 389 * length that is ok. Once decoding begins, 390 * the length is adjusted up each time a longer 391 * line is decoded */ 392 unsigned char enc_data[80]; /* data to encode */ 393 int line_num; /* number read on current line */ 394 int expect_nl; 395 } EVP_ENCODE_CTX; 396 397/* Password based encryption function */ 398typedef int (EVP_PBE_KEYGEN)(EVP_CIPHER_CTX *ctx, const char *pass, int passlen, 399 ASN1_TYPE *param, EVP_CIPHER *cipher, 400 EVP_MD *md, int en_de); 401 402#define EVP_PKEY_assign_RSA(pkey,rsa) EVP_PKEY_assign((pkey),EVP_PKEY_RSA,\ 403 (char *)(rsa)) 404#define EVP_PKEY_assign_DSA(pkey,dsa) EVP_PKEY_assign((pkey),EVP_PKEY_DSA,\ 405 (char *)(dsa)) 406#define EVP_PKEY_assign_DH(pkey,dh) EVP_PKEY_assign((pkey),EVP_PKEY_DH,\ 407 (char *)(dh)) 408 409/* Add some extra combinations */ 410#define EVP_get_digestbynid(a) EVP_get_digestbyname(OBJ_nid2sn(a)) 411#define EVP_get_digestbyobj(a) EVP_get_digestbynid(OBJ_obj2nid(a)) 412#define EVP_get_cipherbynid(a) EVP_get_cipherbyname(OBJ_nid2sn(a)) 413#define EVP_get_cipherbyobj(a) EVP_get_cipherbynid(OBJ_obj2nid(a)) 414 415#define EVP_MD_type(e) ((e)->type) 416#define EVP_MD_pkey_type(e) ((e)->pkey_type) 417#define EVP_MD_size(e) ((e)->md_size) 418#define EVP_MD_block_size(e) ((e)->block_size) 419 420#define EVP_MD_CTX_md(e) ((e)->digest) 421#define EVP_MD_CTX_size(e) EVP_MD_size((e)->digest) 422#define EVP_MD_CTX_block_size(e) EVP_MD_block_size((e)->digest) 423#define EVP_MD_CTX_type(e) EVP_MD_type((e)->digest) 424 425#define EVP_CIPHER_nid(e) ((e)->nid) 426#define EVP_CIPHER_block_size(e) ((e)->block_size) 427#define EVP_CIPHER_key_length(e) ((e)->key_len) 428#define EVP_CIPHER_iv_length(e) ((e)->iv_len) 429 430#define EVP_CIPHER_CTX_cipher(e) ((e)->cipher) 431#define EVP_CIPHER_CTX_nid(e) ((e)->cipher->nid) 432#define EVP_CIPHER_CTX_block_size(e) ((e)->cipher->block_size) 433#define EVP_CIPHER_CTX_key_length(e) ((e)->cipher->key_len) 434#define EVP_CIPHER_CTX_iv_length(e) ((e)->cipher->iv_len) 435#define EVP_CIPHER_CTX_get_app_data(e) ((e)->app_data) 436#define EVP_CIPHER_CTX_set_app_data(e,d) ((e)->app_data=(char *)(d)) 437#define EVP_CIPHER_CTX_type(c) EVP_CIPHER_type(EVP_CIPHER_CTX_cipher(c)) 438 439#define EVP_ENCODE_LENGTH(l) (((l+2)/3*4)+(l/48+1)*2+80) 440#define EVP_DECODE_LENGTH(l) ((l+3)/4*3+80) 441 442#define EVP_SignInit(a,b) EVP_DigestInit(a,b) 443#define EVP_SignUpdate(a,b,c) EVP_DigestUpdate(a,b,c) 444#define EVP_VerifyInit(a,b) EVP_DigestInit(a,b) 445#define EVP_VerifyUpdate(a,b,c) EVP_DigestUpdate(a,b,c) 446#define EVP_OpenUpdate(a,b,c,d,e) EVP_DecryptUpdate(a,b,c,d,e) 447#define EVP_SealUpdate(a,b,c,d,e) EVP_EncryptUpdate(a,b,c,d,e) 448 449#ifdef CONST_STRICT 450void BIO_set_md(BIO *,const EVP_MD *md); 451#else 452# define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,0,(char *)md) 453#endif 454#define BIO_get_md(b,mdp) BIO_ctrl(b,BIO_C_GET_MD,0,(char *)mdp) 455#define BIO_get_md_ctx(b,mdcp) BIO_ctrl(b,BIO_C_GET_MD_CTX,0,(char *)mdcp) 456#define BIO_get_cipher_status(b) BIO_ctrl(b,BIO_C_GET_CIPHER_STATUS,0,NULL) 457#define BIO_get_cipher_ctx(b,c_pp) BIO_ctrl(b,BIO_C_GET_CIPHER_CTX,0,(char *)c_pp) 458 459#define EVP_Cipher(c,o,i,l) (c)->cipher->do_cipher((c),(o),(i),(l)) 460 461#define EVP_add_cipher_alias(n,alias) \ 462 OBJ_NAME_add((alias),OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS,(n)) 463#define EVP_add_digest_alias(n,alias) \ 464 OBJ_NAME_add((alias),OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,(n)) 465#define EVP_delete_cipher_alias(alias) \ 466 OBJ_NAME_remove(alias,OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS); 467#define EVP_delete_digest_alias(alias) \ 468 OBJ_NAME_remove(alias,OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS); 469 470 471int EVP_MD_CTX_copy(EVP_MD_CTX *out,EVP_MD_CTX *in); 472void EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type); 473void EVP_DigestUpdate(EVP_MD_CTX *ctx,const void *d, 474 unsigned int cnt); 475void EVP_DigestFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s); 476 477int EVP_read_pw_string(char *buf,int length,const char *prompt,int verify); 478void EVP_set_pw_prompt(char *prompt); 479char * EVP_get_pw_prompt(void); 480 481int EVP_BytesToKey(const EVP_CIPHER *type,EVP_MD *md,unsigned char *salt, 482 unsigned char *data, int datal, int count, 483 unsigned char *key,unsigned char *iv); 484 485void EVP_EncryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type, 486 unsigned char *key, unsigned char *iv); 487void EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, 488 int *outl, unsigned char *in, int inl); 489void EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl); 490 491void EVP_DecryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type, 492 unsigned char *key, unsigned char *iv); 493void EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, 494 int *outl, unsigned char *in, int inl); 495int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl); 496 497void EVP_CipherInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type, 498 unsigned char *key,unsigned char *iv,int enc); 499void EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, 500 int *outl, unsigned char *in, int inl); 501int EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl); 502 503int EVP_SignFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s, 504 EVP_PKEY *pkey); 505 506int EVP_VerifyFinal(EVP_MD_CTX *ctx,unsigned char *sigbuf, 507 unsigned int siglen,EVP_PKEY *pkey); 508 509int EVP_OpenInit(EVP_CIPHER_CTX *ctx,EVP_CIPHER *type,unsigned char *ek, 510 int ekl,unsigned char *iv,EVP_PKEY *priv); 511int EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl); 512 513int EVP_SealInit(EVP_CIPHER_CTX *ctx, EVP_CIPHER *type, unsigned char **ek, 514 int *ekl, unsigned char *iv,EVP_PKEY **pubk, int npubk); 515void EVP_SealFinal(EVP_CIPHER_CTX *ctx,unsigned char *out,int *outl); 516 517void EVP_EncodeInit(EVP_ENCODE_CTX *ctx); 518void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out, 519 int *outl,unsigned char *in,int inl); 520void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl); 521int EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int n); 522 523void EVP_DecodeInit(EVP_ENCODE_CTX *ctx); 524int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl, 525 unsigned char *in, int inl); 526int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned 527 char *out, int *outl); 528int EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n); 529 530void ERR_load_EVP_strings(void ); 531 532void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *a); 533void EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *a); 534 535#ifdef HEADER_BIO_H 536BIO_METHOD *BIO_f_md(void); 537BIO_METHOD *BIO_f_base64(void); 538BIO_METHOD *BIO_f_cipher(void); 539BIO_METHOD *BIO_f_reliable(void); 540void BIO_set_cipher(BIO *b,const EVP_CIPHER *c,unsigned char *k, 541 unsigned char *i, int enc); 542#endif 543 544EVP_MD *EVP_md_null(void); 545EVP_MD *EVP_md2(void); 546EVP_MD *EVP_md5(void); 547EVP_MD *EVP_sha(void); 548EVP_MD *EVP_sha1(void); 549EVP_MD *EVP_dss(void); 550EVP_MD *EVP_dss1(void); 551EVP_MD *EVP_mdc2(void); 552EVP_MD *EVP_ripemd160(void); 553 554EVP_CIPHER *EVP_enc_null(void); /* does nothing :-) */ 555EVP_CIPHER *EVP_des_ecb(void); 556EVP_CIPHER *EVP_des_ede(void); 557EVP_CIPHER *EVP_des_ede3(void); 558EVP_CIPHER *EVP_des_cfb(void); 559EVP_CIPHER *EVP_des_ede_cfb(void); 560EVP_CIPHER *EVP_des_ede3_cfb(void); 561EVP_CIPHER *EVP_des_ofb(void); 562EVP_CIPHER *EVP_des_ede_ofb(void); 563EVP_CIPHER *EVP_des_ede3_ofb(void); 564EVP_CIPHER *EVP_des_cbc(void); 565EVP_CIPHER *EVP_des_ede_cbc(void); 566EVP_CIPHER *EVP_des_ede3_cbc(void); 567EVP_CIPHER *EVP_desx_cbc(void); 568EVP_CIPHER *EVP_rc4(void); 569EVP_CIPHER *EVP_rc4_40(void); 570EVP_CIPHER *EVP_idea_ecb(void); 571EVP_CIPHER *EVP_idea_cfb(void); 572EVP_CIPHER *EVP_idea_ofb(void); 573EVP_CIPHER *EVP_idea_cbc(void); 574EVP_CIPHER *EVP_rc2_ecb(void); 575EVP_CIPHER *EVP_rc2_cbc(void); 576EVP_CIPHER *EVP_rc2_40_cbc(void); 577EVP_CIPHER *EVP_rc2_64_cbc(void); 578EVP_CIPHER *EVP_rc2_cfb(void); 579EVP_CIPHER *EVP_rc2_ofb(void); 580EVP_CIPHER *EVP_bf_ecb(void); 581EVP_CIPHER *EVP_bf_cbc(void); 582EVP_CIPHER *EVP_bf_cfb(void); 583EVP_CIPHER *EVP_bf_ofb(void); 584EVP_CIPHER *EVP_cast5_ecb(void); 585EVP_CIPHER *EVP_cast5_cbc(void); 586EVP_CIPHER *EVP_cast5_cfb(void); 587EVP_CIPHER *EVP_cast5_ofb(void); 588EVP_CIPHER *EVP_rc5_32_12_16_cbc(void); 589EVP_CIPHER *EVP_rc5_32_12_16_ecb(void); 590EVP_CIPHER *EVP_rc5_32_12_16_cfb(void); 591EVP_CIPHER *EVP_rc5_32_12_16_ofb(void); 592 593void OpenSSL_add_all_algorithms(void); 594void OpenSSL_add_all_ciphers(void); 595void OpenSSL_add_all_digests(void); 596#define SSLeay_add_all_algorithms() OpenSSL_add_all_algorithms() 597#define SSLeay_add_all_ciphers() OpenSSL_add_all_ciphers() 598#define SSLeay_add_all_digests() OpenSSL_add_all_digests() 599 600int EVP_add_cipher(EVP_CIPHER *cipher); 601int EVP_add_digest(EVP_MD *digest); 602 603const EVP_CIPHER *EVP_get_cipherbyname(const char *name); 604const EVP_MD *EVP_get_digestbyname(const char *name); 605void EVP_cleanup(void); 606 607int EVP_PKEY_decrypt(unsigned char *dec_key,unsigned char *enc_key, 608 int enc_key_len,EVP_PKEY *private_key); 609int EVP_PKEY_encrypt(unsigned char *enc_key, 610 unsigned char *key,int key_len,EVP_PKEY *pub_key); 611int EVP_PKEY_type(int type); 612int EVP_PKEY_bits(EVP_PKEY *pkey); 613int EVP_PKEY_size(EVP_PKEY *pkey); 614int EVP_PKEY_assign(EVP_PKEY *pkey,int type,char *key); 615#ifndef NO_RSA 616int EVP_PKEY_set1_RSA(EVP_PKEY *pkey,RSA *key); 617RSA * EVP_PKEY_get1_RSA(EVP_PKEY *pkey); 618#endif 619#ifndef NO_DSA 620int EVP_PKEY_set1_DSA(EVP_PKEY *pkey,DSA *key); 621DSA * EVP_PKEY_get1_DSA(EVP_PKEY *pkey); 622#endif 623#ifndef NO_DH 624int EVP_PKEY_set1_DH(EVP_PKEY *pkey,DH *key); 625DH * EVP_PKEY_get1_DH(EVP_PKEY *pkey); 626#endif 627EVP_PKEY * EVP_PKEY_new(void); 628void EVP_PKEY_free(EVP_PKEY *pkey); 629EVP_PKEY * d2i_PublicKey(int type,EVP_PKEY **a, unsigned char **pp, 630 long length); 631int i2d_PublicKey(EVP_PKEY *a, unsigned char **pp); 632 633EVP_PKEY * d2i_PrivateKey(int type,EVP_PKEY **a, unsigned char **pp, 634 long length); 635EVP_PKEY * d2i_AutoPrivateKey(EVP_PKEY **a, unsigned char **pp, 636 long length); 637int i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp); 638 639int EVP_PKEY_copy_parameters(EVP_PKEY *to,EVP_PKEY *from); 640int EVP_PKEY_missing_parameters(EVP_PKEY *pkey); 641int EVP_PKEY_save_parameters(EVP_PKEY *pkey,int mode); 642int EVP_PKEY_cmp_parameters(EVP_PKEY *a,EVP_PKEY *b); 643 644int EVP_CIPHER_type(const EVP_CIPHER *ctx); 645 646/* calls methods */ 647int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type); 648int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type); 649 650/* These are used by EVP_CIPHER methods */ 651int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type); 652int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type); 653 654/* PKCS5 password based encryption */ 655int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen, 656 ASN1_TYPE *param, EVP_CIPHER *cipher, EVP_MD *md, 657 int en_de); 658int PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen, 659 unsigned char *salt, int saltlen, int iter, 660 int keylen, unsigned char *out); 661int PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen, 662 ASN1_TYPE *param, EVP_CIPHER *cipher, EVP_MD *md, 663 int en_de); 664 665void PKCS5_PBE_add(void); 666 667int EVP_PBE_CipherInit (ASN1_OBJECT *pbe_obj, const char *pass, int passlen, 668 ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de); 669int EVP_PBE_alg_add(int nid, EVP_CIPHER *cipher, EVP_MD *md, 670 EVP_PBE_KEYGEN *keygen); 671void EVP_PBE_cleanup(void); 672 673/* BEGIN ERROR CODES */ 674/* The following lines are auto generated by the script mkerr.pl. Any changes 675 * made after this point may be overwritten when the script is next run. 676 */ 677 678/* Error codes for the EVP functions. */ 679 680/* Function codes. */ 681#define EVP_F_D2I_PKEY 100 682#define EVP_F_EVP_DECRYPTFINAL 101 683#define EVP_F_EVP_MD_CTX_COPY 110 684#define EVP_F_EVP_OPENINIT 102 685#define EVP_F_EVP_PBE_ALG_ADD 115 686#define EVP_F_EVP_PBE_CIPHERINIT 116 687#define EVP_F_EVP_PKCS82PKEY 111 688#define EVP_F_EVP_PKCS8_SET_BROKEN 112 689#define EVP_F_EVP_PKEY2PKCS8 113 690#define EVP_F_EVP_PKEY_COPY_PARAMETERS 103 691#define EVP_F_EVP_PKEY_DECRYPT 104 692#define EVP_F_EVP_PKEY_ENCRYPT 105 693#define EVP_F_EVP_PKEY_GET1_DH 119 694#define EVP_F_EVP_PKEY_GET1_DSA 120 695#define EVP_F_EVP_PKEY_GET1_RSA 121 696#define EVP_F_EVP_PKEY_NEW 106 697#define EVP_F_EVP_SIGNFINAL 107 698#define EVP_F_EVP_VERIFYFINAL 108 699#define EVP_F_PKCS5_PBE_KEYIVGEN 117 700#define EVP_F_PKCS5_V2_PBE_KEYIVGEN 118 701#define EVP_F_RC2_MAGIC_TO_METH 109 702 703/* Reason codes. */ 704#define EVP_R_BAD_DECRYPT 100 705#define EVP_R_BN_DECODE_ERROR 112 706#define EVP_R_BN_PUBKEY_ERROR 113 707#define EVP_R_CIPHER_PARAMETER_ERROR 122 708#define EVP_R_DECODE_ERROR 114 709#define EVP_R_DIFFERENT_KEY_TYPES 101 710#define EVP_R_ENCODE_ERROR 115 711#define EVP_R_EVP_PBE_CIPHERINIT_ERROR 119 712#define EVP_R_EXPECTING_AN_RSA_KEY 127 713#define EVP_R_EXPECTING_A_DH_KEY 128 714#define EVP_R_EXPECTING_A_DSA_KEY 129 715#define EVP_R_INPUT_NOT_INITIALIZED 111 716#define EVP_R_IV_TOO_LARGE 102 717#define EVP_R_KEYGEN_FAILURE 120 718#define EVP_R_MISSING_PARAMETERS 103 719#define EVP_R_NO_DSA_PARAMETERS 116 720#define EVP_R_NO_SIGN_FUNCTION_CONFIGURED 104 721#define EVP_R_NO_VERIFY_FUNCTION_CONFIGURED 105 722#define EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE 117 723#define EVP_R_PUBLIC_KEY_NOT_RSA 106 724#define EVP_R_UNKNOWN_PBE_ALGORITHM 121 725#define EVP_R_UNSUPPORTED_CIPHER 107 726#define EVP_R_UNSUPPORTED_KEYLENGTH 123 727#define EVP_R_UNSUPPORTED_KEY_DERIVATION_FUNCTION 124 728#define EVP_R_UNSUPPORTED_KEY_SIZE 108 729#define EVP_R_UNSUPPORTED_PRF 125 730#define EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM 118 731#define EVP_R_UNSUPPORTED_SALT_TYPE 126 732#define EVP_R_WRONG_FINAL_BLOCK_LENGTH 109 733#define EVP_R_WRONG_PUBLIC_KEY_TYPE 110 734 735#ifdef __cplusplus 736} 737#endif 738#endif 739 740