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 "opensslconf.h" 64#else 65# define OPENSSL_ALGORITHM_DEFINES 66# include "opensslconf.h" 67# undef OPENSSL_ALGORITHM_DEFINES 68#endif 69 70#include "ossl_typ.h" 71 72#include "symhacks.h" 73 74#ifndef OPENSSL_NO_BIO 75#include "bio.h" 76#endif 77 78/* 79#define EVP_RC2_KEY_SIZE 16 80#define EVP_RC4_KEY_SIZE 16 81#define EVP_BLOWFISH_KEY_SIZE 16 82#define EVP_CAST5_KEY_SIZE 16 83#define EVP_RC5_32_12_16_KEY_SIZE 16 84*/ 85#define EVP_MAX_MD_SIZE 64 /* longest known is SHA512 */ 86#define EVP_MAX_KEY_LENGTH 32 87#define EVP_MAX_IV_LENGTH 16 88#define EVP_MAX_BLOCK_LENGTH 32 89 90#define PKCS5_SALT_LEN 8 91/* Default PKCS#5 iteration count */ 92#define PKCS5_DEFAULT_ITER 2048 93 94#include "objects.h" 95 96#define EVP_PK_RSA 0x0001 97#define EVP_PK_DSA 0x0002 98#define EVP_PK_DH 0x0004 99#define EVP_PK_EC 0x0008 100#define EVP_PKT_SIGN 0x0010 101#define EVP_PKT_ENC 0x0020 102#define EVP_PKT_EXCH 0x0040 103#define EVP_PKS_RSA 0x0100 104#define EVP_PKS_DSA 0x0200 105#define EVP_PKS_EC 0x0400 106#define EVP_PKT_EXP 0x1000 /* <= 512 bit key */ 107 108#define EVP_PKEY_NONE NID_undef 109#define EVP_PKEY_RSA NID_rsaEncryption 110#define EVP_PKEY_RSA2 NID_rsa 111#define EVP_PKEY_DSA NID_dsa 112#define EVP_PKEY_DSA1 NID_dsa_2 113#define EVP_PKEY_DSA2 NID_dsaWithSHA 114#define EVP_PKEY_DSA3 NID_dsaWithSHA1 115#define EVP_PKEY_DSA4 NID_dsaWithSHA1_2 116#define EVP_PKEY_DH NID_dhKeyAgreement 117#define EVP_PKEY_EC NID_X9_62_id_ecPublicKey 118 119#ifdef __cplusplus 120extern "C" { 121#endif 122 123/* Type needs to be a bit field 124 * Sub-type needs to be for variations on the method, as in, can it do 125 * arbitrary encryption.... */ 126struct evp_pkey_st 127 { 128 int type; 129 int save_type; 130 int references; 131 union { 132 char *ptr; 133#ifndef OPENSSL_NO_RSA 134 struct rsa_st *rsa; /* RSA */ 135#endif 136#ifndef OPENSSL_NO_DSA 137 struct dsa_st *dsa; /* DSA */ 138#endif 139#ifndef OPENSSL_NO_DH 140 struct dh_st *dh; /* DH */ 141#endif 142#ifndef OPENSSL_NO_EC 143 struct ec_key_st *ec; /* ECC */ 144#endif 145 } pkey; 146 int save_parameters; 147 STACK_OF(X509_ATTRIBUTE) *attributes; /* [ 0 ] */ 148 } /* EVP_PKEY */; 149 150#define EVP_PKEY_MO_SIGN 0x0001 151#define EVP_PKEY_MO_VERIFY 0x0002 152#define EVP_PKEY_MO_ENCRYPT 0x0004 153#define EVP_PKEY_MO_DECRYPT 0x0008 154 155 156#ifndef EVP_MD 157struct env_md_st 158 { 159 int type; 160 int pkey_type; 161 int md_size; 162 unsigned long flags; 163 int (*init)(EVP_MD_CTX *ctx); 164 int (*update)(EVP_MD_CTX *ctx,const void *data,size_t count); 165 int (*final)(EVP_MD_CTX *ctx,unsigned char *md); 166 int (*copy)(EVP_MD_CTX *to,const EVP_MD_CTX *from); 167 int (*cleanup)(EVP_MD_CTX *ctx); 168 169 int (*sign)(int type, const unsigned char *m, unsigned int m_length, 170 unsigned char *sigret, unsigned int *siglen, void *key); 171 int (*verify)(int type, const unsigned char *m, unsigned int m_length, 172 const unsigned char *sigbuf, unsigned int siglen, 173 void *key); 174 int required_pkey_type[5]; /*EVP_PKEY_xxx */ 175 int block_size; 176 int ctx_size; /* how big does the ctx->md_data need to be */ 177 } /* EVP_MD */; 178 179typedef int evp_sign_method(int type,const unsigned char *m, 180 unsigned int m_length,unsigned char *sigret, 181 unsigned int *siglen, void *key); 182typedef int evp_verify_method(int type,const unsigned char *m, 183 unsigned int m_length,const unsigned char *sigbuf, 184 unsigned int siglen, void *key); 185 186#define EVP_MD_FLAG_ONESHOT 0x0001 /* digest can only handle a single 187 * block */ 188 189#define EVP_PKEY_NULL_method NULL,NULL,{0,0,0,0} 190 191#ifndef OPENSSL_NO_DSA 192#define EVP_PKEY_DSA_method (evp_sign_method *)DSA_sign, \ 193 (evp_verify_method *)DSA_verify, \ 194 {EVP_PKEY_DSA,EVP_PKEY_DSA2,EVP_PKEY_DSA3, \ 195 EVP_PKEY_DSA4,0} 196#else 197#define EVP_PKEY_DSA_method EVP_PKEY_NULL_method 198#endif 199 200#ifndef OPENSSL_NO_ECDSA 201#define EVP_PKEY_ECDSA_method (evp_sign_method *)ECDSA_sign, \ 202 (evp_verify_method *)ECDSA_verify, \ 203 {EVP_PKEY_EC,0,0,0} 204#else 205#define EVP_PKEY_ECDSA_method EVP_PKEY_NULL_method 206#endif 207 208#ifndef OPENSSL_NO_RSA 209#define EVP_PKEY_RSA_method (evp_sign_method *)RSA_sign, \ 210 (evp_verify_method *)RSA_verify, \ 211 {EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0} 212#define EVP_PKEY_RSA_ASN1_OCTET_STRING_method \ 213 (evp_sign_method *)RSA_sign_ASN1_OCTET_STRING, \ 214 (evp_verify_method *)RSA_verify_ASN1_OCTET_STRING, \ 215 {EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0} 216#else 217#define EVP_PKEY_RSA_method EVP_PKEY_NULL_method 218#define EVP_PKEY_RSA_ASN1_OCTET_STRING_method EVP_PKEY_NULL_method 219#endif 220 221#endif /* !EVP_MD */ 222 223struct env_md_ctx_st 224 { 225 const EVP_MD *digest; 226 ENGINE *engine; /* functional reference if 'digest' is ENGINE-provided */ 227 unsigned long flags; 228 void *md_data; 229 } /* EVP_MD_CTX */; 230 231/* values for EVP_MD_CTX flags */ 232 233#define EVP_MD_CTX_FLAG_ONESHOT 0x0001 /* digest update will be called 234 * once only */ 235#define EVP_MD_CTX_FLAG_CLEANED 0x0002 /* context has already been 236 * cleaned */ 237#define EVP_MD_CTX_FLAG_REUSE 0x0004 /* Don't free up ctx->md_data 238 * in EVP_MD_CTX_cleanup */ 239 240struct evp_cipher_st 241 { 242 int nid; 243 int block_size; 244 int key_len; /* Default value for variable length ciphers */ 245 int iv_len; 246 unsigned long flags; /* Various flags */ 247 int (*init)(EVP_CIPHER_CTX *ctx, const unsigned char *key, 248 const unsigned char *iv, int enc); /* init key */ 249 int (*do_cipher)(EVP_CIPHER_CTX *ctx, unsigned char *out, 250 const unsigned char *in, unsigned int inl);/* encrypt/decrypt data */ 251 int (*cleanup)(EVP_CIPHER_CTX *); /* cleanup ctx */ 252 int ctx_size; /* how big ctx->cipher_data needs to be */ 253 int (*set_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Populate a ASN1_TYPE with parameters */ 254 int (*get_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Get parameters from a ASN1_TYPE */ 255 int (*ctrl)(EVP_CIPHER_CTX *, int type, int arg, void *ptr); /* Miscellaneous operations */ 256 void *app_data; /* Application data */ 257 } /* EVP_CIPHER */; 258 259/* Values for cipher flags */ 260 261/* Modes for ciphers */ 262 263#define EVP_CIPH_STREAM_CIPHER 0x0 264#define EVP_CIPH_ECB_MODE 0x1 265#define EVP_CIPH_CBC_MODE 0x2 266#define EVP_CIPH_CFB_MODE 0x3 267#define EVP_CIPH_OFB_MODE 0x4 268#define EVP_CIPH_MODE 0x7 269/* Set if variable length cipher */ 270#define EVP_CIPH_VARIABLE_LENGTH 0x8 271/* Set if the iv handling should be done by the cipher itself */ 272#define EVP_CIPH_CUSTOM_IV 0x10 273/* Set if the cipher's init() function should be called if key is NULL */ 274#define EVP_CIPH_ALWAYS_CALL_INIT 0x20 275/* Call ctrl() to init cipher parameters */ 276#define EVP_CIPH_CTRL_INIT 0x40 277/* Don't use standard key length function */ 278#define EVP_CIPH_CUSTOM_KEY_LENGTH 0x80 279/* Don't use standard block padding */ 280#define EVP_CIPH_NO_PADDING 0x100 281/* cipher handles random key generation */ 282#define EVP_CIPH_RAND_KEY 0x200 283 284/* ctrl() values */ 285 286#define EVP_CTRL_INIT 0x0 287#define EVP_CTRL_SET_KEY_LENGTH 0x1 288#define EVP_CTRL_GET_RC2_KEY_BITS 0x2 289#define EVP_CTRL_SET_RC2_KEY_BITS 0x3 290#define EVP_CTRL_GET_RC5_ROUNDS 0x4 291#define EVP_CTRL_SET_RC5_ROUNDS 0x5 292#define EVP_CTRL_RAND_KEY 0x6 293 294typedef struct evp_cipher_info_st 295 { 296 const EVP_CIPHER *cipher; 297 unsigned char iv[EVP_MAX_IV_LENGTH]; 298 } EVP_CIPHER_INFO; 299 300struct evp_cipher_ctx_st 301 { 302 const EVP_CIPHER *cipher; 303 ENGINE *engine; /* functional reference if 'cipher' is ENGINE-provided */ 304 int encrypt; /* encrypt or decrypt */ 305 int buf_len; /* number we have left */ 306 307 unsigned char oiv[EVP_MAX_IV_LENGTH]; /* original iv */ 308 unsigned char iv[EVP_MAX_IV_LENGTH]; /* working iv */ 309 unsigned char buf[EVP_MAX_BLOCK_LENGTH];/* saved partial block */ 310 int num; /* used by cfb/ofb mode */ 311 312 void *app_data; /* application stuff */ 313 int key_len; /* May change for variable length cipher */ 314 unsigned long flags; /* Various flags */ 315 void *cipher_data; /* per EVP data */ 316 int final_used; 317 int block_mask; 318 unsigned char final[EVP_MAX_BLOCK_LENGTH];/* possible final block */ 319 } /* EVP_CIPHER_CTX */; 320 321typedef struct evp_Encode_Ctx_st 322 { 323 int num; /* number saved in a partial encode/decode */ 324 int length; /* The length is either the output line length 325 * (in input bytes) or the shortest input line 326 * length that is ok. Once decoding begins, 327 * the length is adjusted up each time a longer 328 * line is decoded */ 329 unsigned char enc_data[80]; /* data to encode */ 330 int line_num; /* number read on current line */ 331 int expect_nl; 332 } EVP_ENCODE_CTX; 333 334/* Password based encryption function */ 335typedef int (EVP_PBE_KEYGEN)(EVP_CIPHER_CTX *ctx, const char *pass, int passlen, 336 ASN1_TYPE *param, const EVP_CIPHER *cipher, 337 const EVP_MD *md, int en_de); 338 339#ifndef OPENSSL_NO_RSA 340#define EVP_PKEY_assign_RSA(pkey,rsa) EVP_PKEY_assign((pkey),EVP_PKEY_RSA,\ 341 (char *)(rsa)) 342#endif 343 344#ifndef OPENSSL_NO_DSA 345#define EVP_PKEY_assign_DSA(pkey,dsa) EVP_PKEY_assign((pkey),EVP_PKEY_DSA,\ 346 (char *)(dsa)) 347#endif 348 349#ifndef OPENSSL_NO_DH 350#define EVP_PKEY_assign_DH(pkey,dh) EVP_PKEY_assign((pkey),EVP_PKEY_DH,\ 351 (char *)(dh)) 352#endif 353 354#ifndef OPENSSL_NO_EC 355#define EVP_PKEY_assign_EC_KEY(pkey,eckey) EVP_PKEY_assign((pkey),EVP_PKEY_EC,\ 356 (char *)(eckey)) 357#endif 358 359/* Add some extra combinations */ 360#define EVP_get_digestbynid(a) EVP_get_digestbyname(OBJ_nid2sn(a)) 361#define EVP_get_digestbyobj(a) EVP_get_digestbynid(OBJ_obj2nid(a)) 362#define EVP_get_cipherbynid(a) EVP_get_cipherbyname(OBJ_nid2sn(a)) 363#define EVP_get_cipherbyobj(a) EVP_get_cipherbynid(OBJ_obj2nid(a)) 364 365#define EVP_MD_type(e) ((e)->type) 366#define EVP_MD_nid(e) EVP_MD_type(e) 367#define EVP_MD_name(e) OBJ_nid2sn(EVP_MD_nid(e)) 368#define EVP_MD_pkey_type(e) ((e)->pkey_type) 369#define EVP_MD_size(e) ((e)->md_size) 370#define EVP_MD_block_size(e) ((e)->block_size) 371 372#define EVP_MD_CTX_md(e) ((e)->digest) 373#define EVP_MD_CTX_size(e) EVP_MD_size((e)->digest) 374#define EVP_MD_CTX_block_size(e) EVP_MD_block_size((e)->digest) 375#define EVP_MD_CTX_type(e) EVP_MD_type((e)->digest) 376 377#define EVP_CIPHER_nid(e) ((e)->nid) 378#define EVP_CIPHER_name(e) OBJ_nid2sn(EVP_CIPHER_nid(e)) 379#define EVP_CIPHER_block_size(e) ((e)->block_size) 380#define EVP_CIPHER_key_length(e) ((e)->key_len) 381#define EVP_CIPHER_iv_length(e) ((e)->iv_len) 382#define EVP_CIPHER_flags(e) ((e)->flags) 383#define EVP_CIPHER_mode(e) (((e)->flags) & EVP_CIPH_MODE) 384 385#define EVP_CIPHER_CTX_cipher(e) ((e)->cipher) 386#define EVP_CIPHER_CTX_nid(e) ((e)->cipher->nid) 387#define EVP_CIPHER_CTX_block_size(e) ((e)->cipher->block_size) 388#define EVP_CIPHER_CTX_key_length(e) ((e)->key_len) 389#define EVP_CIPHER_CTX_iv_length(e) ((e)->cipher->iv_len) 390#define EVP_CIPHER_CTX_get_app_data(e) ((e)->app_data) 391#define EVP_CIPHER_CTX_set_app_data(e,d) ((e)->app_data=(char *)(d)) 392#define EVP_CIPHER_CTX_type(c) EVP_CIPHER_type(EVP_CIPHER_CTX_cipher(c)) 393#define EVP_CIPHER_CTX_flags(e) ((e)->cipher->flags) 394#define EVP_CIPHER_CTX_mode(e) ((e)->cipher->flags & EVP_CIPH_MODE) 395 396#define EVP_ENCODE_LENGTH(l) (((l+2)/3*4)+(l/48+1)*2+80) 397#define EVP_DECODE_LENGTH(l) ((l+3)/4*3+80) 398 399#define EVP_SignInit_ex(a,b,c) EVP_DigestInit_ex(a,b,c) 400#define EVP_SignInit(a,b) EVP_DigestInit(a,b) 401#define EVP_SignUpdate(a,b,c) EVP_DigestUpdate(a,b,c) 402#define EVP_VerifyInit_ex(a,b,c) EVP_DigestInit_ex(a,b,c) 403#define EVP_VerifyInit(a,b) EVP_DigestInit(a,b) 404#define EVP_VerifyUpdate(a,b,c) EVP_DigestUpdate(a,b,c) 405#define EVP_OpenUpdate(a,b,c,d,e) EVP_DecryptUpdate(a,b,c,d,e) 406#define EVP_SealUpdate(a,b,c,d,e) EVP_EncryptUpdate(a,b,c,d,e) 407 408#ifdef CONST_STRICT 409void BIO_set_md(BIO *,const EVP_MD *md); 410#else 411# define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,0,(char *)md) 412#endif 413#define BIO_get_md(b,mdp) BIO_ctrl(b,BIO_C_GET_MD,0,(char *)mdp) 414#define BIO_get_md_ctx(b,mdcp) BIO_ctrl(b,BIO_C_GET_MD_CTX,0,(char *)mdcp) 415#define BIO_get_cipher_status(b) BIO_ctrl(b,BIO_C_GET_CIPHER_STATUS,0,NULL) 416#define BIO_get_cipher_ctx(b,c_pp) BIO_ctrl(b,BIO_C_GET_CIPHER_CTX,0,(char *)c_pp) 417 418#define EVP_Cipher(c,o,i,l) (c)->cipher->do_cipher((c),(o),(i),(l)) 419 420#define EVP_add_cipher_alias(n,alias) \ 421 OBJ_NAME_add((alias),OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS,(n)) 422#define EVP_add_digest_alias(n,alias) \ 423 OBJ_NAME_add((alias),OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,(n)) 424#define EVP_delete_cipher_alias(alias) \ 425 OBJ_NAME_remove(alias,OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS); 426#define EVP_delete_digest_alias(alias) \ 427 OBJ_NAME_remove(alias,OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS); 428 429void EVP_MD_CTX_init(EVP_MD_CTX *ctx); 430int EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx); 431EVP_MD_CTX *EVP_MD_CTX_create(void); 432void EVP_MD_CTX_destroy(EVP_MD_CTX *ctx); 433int EVP_MD_CTX_copy_ex(EVP_MD_CTX *out,const EVP_MD_CTX *in); 434#define EVP_MD_CTX_set_flags(ctx,flgs) ((ctx)->flags|=(flgs)) 435#define EVP_MD_CTX_clear_flags(ctx,flgs) ((ctx)->flags&=~(flgs)) 436#define EVP_MD_CTX_test_flags(ctx,flgs) ((ctx)->flags&(flgs)) 437int EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl); 438int EVP_DigestUpdate(EVP_MD_CTX *ctx,const void *d, 439 size_t cnt); 440int EVP_DigestFinal_ex(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s); 441int EVP_Digest(const void *data, size_t count, 442 unsigned char *md, unsigned int *size, const EVP_MD *type, ENGINE *impl); 443 444int EVP_MD_CTX_copy(EVP_MD_CTX *out,const EVP_MD_CTX *in); 445int EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type); 446int EVP_DigestFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s); 447 448int EVP_read_pw_string(char *buf,int length,const char *prompt,int verify); 449void EVP_set_pw_prompt(const char *prompt); 450char * EVP_get_pw_prompt(void); 451 452int EVP_BytesToKey(const EVP_CIPHER *type,const EVP_MD *md, 453 const unsigned char *salt, const unsigned char *data, 454 int datal, int count, unsigned char *key,unsigned char *iv); 455 456int EVP_EncryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher, 457 const unsigned char *key, const unsigned char *iv); 458int EVP_EncryptInit_ex(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher, ENGINE *impl, 459 const unsigned char *key, const unsigned char *iv); 460int EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, 461 int *outl, const unsigned char *in, int inl); 462int EVP_EncryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl); 463int EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl); 464 465int EVP_DecryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher, 466 const unsigned char *key, const unsigned char *iv); 467int EVP_DecryptInit_ex(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher, ENGINE *impl, 468 const unsigned char *key, const unsigned char *iv); 469int EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, 470 int *outl, const unsigned char *in, int inl); 471int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl); 472int EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl); 473 474int EVP_CipherInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher, 475 const unsigned char *key,const unsigned char *iv, 476 int enc); 477int EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher, ENGINE *impl, 478 const unsigned char *key,const unsigned char *iv, 479 int enc); 480int EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, 481 int *outl, const unsigned char *in, int inl); 482int EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl); 483int EVP_CipherFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl); 484 485int EVP_SignFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s, 486 EVP_PKEY *pkey); 487 488int EVP_VerifyFinal(EVP_MD_CTX *ctx,const unsigned char *sigbuf, 489 unsigned int siglen,EVP_PKEY *pkey); 490 491int EVP_OpenInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type, 492 const unsigned char *ek, int ekl, const unsigned char *iv, 493 EVP_PKEY *priv); 494int EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl); 495 496int EVP_SealInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type, 497 unsigned char **ek, int *ekl, unsigned char *iv, 498 EVP_PKEY **pubk, int npubk); 499int EVP_SealFinal(EVP_CIPHER_CTX *ctx,unsigned char *out,int *outl); 500 501void EVP_EncodeInit(EVP_ENCODE_CTX *ctx); 502void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl, 503 const unsigned char *in,int inl); 504void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl); 505int EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int n); 506 507void EVP_DecodeInit(EVP_ENCODE_CTX *ctx); 508int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl, 509 const unsigned char *in, int inl); 510int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned 511 char *out, int *outl); 512int EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n); 513 514void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *a); 515int EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *a); 516int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *x, int keylen); 517int EVP_CIPHER_CTX_set_padding(EVP_CIPHER_CTX *c, int pad); 518int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr); 519int EVP_CIPHER_CTX_rand_key(EVP_CIPHER_CTX *ctx, unsigned char *key); 520 521#ifndef OPENSSL_NO_BIO 522BIO_METHOD *BIO_f_md(void); 523BIO_METHOD *BIO_f_base64(void); 524BIO_METHOD *BIO_f_cipher(void); 525BIO_METHOD *BIO_f_reliable(void); 526void BIO_set_cipher(BIO *b,const EVP_CIPHER *c,const unsigned char *k, 527 const unsigned char *i, int enc); 528#endif 529 530const EVP_MD *EVP_md_null(void); 531#ifndef OPENSSL_NO_MD2 532const EVP_MD *EVP_md2(void); 533#endif 534#ifndef OPENSSL_NO_MD4 535const EVP_MD *EVP_md4(void); 536#endif 537#ifndef OPENSSL_NO_MD5 538const EVP_MD *EVP_md5(void); 539#endif 540#ifndef OPENSSL_NO_SHA 541const EVP_MD *EVP_sha(void); 542const EVP_MD *EVP_sha1(void); 543const EVP_MD *EVP_dss(void); 544const EVP_MD *EVP_dss1(void); 545const EVP_MD *EVP_ecdsa(void); 546#endif 547#ifndef OPENSSL_NO_SHA256 548const EVP_MD *EVP_sha224(void); 549const EVP_MD *EVP_sha256(void); 550#endif 551#ifndef OPENSSL_NO_SHA512 552const EVP_MD *EVP_sha384(void); 553const EVP_MD *EVP_sha512(void); 554#endif 555#ifndef OPENSSL_NO_MDC2 556const EVP_MD *EVP_mdc2(void); 557#endif 558#ifndef OPENSSL_NO_RIPEMD 559const EVP_MD *EVP_ripemd160(void); 560#endif 561const EVP_CIPHER *EVP_enc_null(void); /* does nothing :-) */ 562#ifndef OPENSSL_NO_DES 563const EVP_CIPHER *EVP_des_ecb(void); 564const EVP_CIPHER *EVP_des_ede(void); 565const EVP_CIPHER *EVP_des_ede3(void); 566const EVP_CIPHER *EVP_des_ede_ecb(void); 567const EVP_CIPHER *EVP_des_ede3_ecb(void); 568const EVP_CIPHER *EVP_des_cfb64(void); 569# define EVP_des_cfb EVP_des_cfb64 570const EVP_CIPHER *EVP_des_cfb1(void); 571const EVP_CIPHER *EVP_des_cfb8(void); 572const EVP_CIPHER *EVP_des_ede_cfb64(void); 573# define EVP_des_ede_cfb EVP_des_ede_cfb64 574const EVP_CIPHER *EVP_des_ede3_cfb64(void); 575# define EVP_des_ede3_cfb EVP_des_ede3_cfb64 576const EVP_CIPHER *EVP_des_ede3_cfb1(void); 577const EVP_CIPHER *EVP_des_ede3_cfb8(void); 578const EVP_CIPHER *EVP_des_ofb(void); 579const EVP_CIPHER *EVP_des_ede_ofb(void); 580const EVP_CIPHER *EVP_des_ede3_ofb(void); 581const EVP_CIPHER *EVP_des_cbc(void); 582const EVP_CIPHER *EVP_des_ede_cbc(void); 583const EVP_CIPHER *EVP_des_ede3_cbc(void); 584const EVP_CIPHER *EVP_desx_cbc(void); 585/* This should now be supported through the dev_crypto ENGINE. But also, why are 586 * rc4 and md5 declarations made here inside a "NO_DES" precompiler branch? */ 587#endif 588#ifndef OPENSSL_NO_RC4 589const EVP_CIPHER *EVP_rc4(void); 590const EVP_CIPHER *EVP_rc4_40(void); 591#endif 592#ifndef OPENSSL_NO_IDEA 593const EVP_CIPHER *EVP_idea_ecb(void); 594const EVP_CIPHER *EVP_idea_cfb64(void); 595# define EVP_idea_cfb EVP_idea_cfb64 596const EVP_CIPHER *EVP_idea_ofb(void); 597const EVP_CIPHER *EVP_idea_cbc(void); 598#endif 599#ifndef OPENSSL_NO_RC2 600const EVP_CIPHER *EVP_rc2_ecb(void); 601const EVP_CIPHER *EVP_rc2_cbc(void); 602const EVP_CIPHER *EVP_rc2_40_cbc(void); 603const EVP_CIPHER *EVP_rc2_64_cbc(void); 604const EVP_CIPHER *EVP_rc2_cfb64(void); 605# define EVP_rc2_cfb EVP_rc2_cfb64 606const EVP_CIPHER *EVP_rc2_ofb(void); 607#endif 608#ifndef OPENSSL_NO_BF 609const EVP_CIPHER *EVP_bf_ecb(void); 610const EVP_CIPHER *EVP_bf_cbc(void); 611const EVP_CIPHER *EVP_bf_cfb64(void); 612# define EVP_bf_cfb EVP_bf_cfb64 613const EVP_CIPHER *EVP_bf_ofb(void); 614#endif 615#ifndef OPENSSL_NO_CAST 616const EVP_CIPHER *EVP_cast5_ecb(void); 617const EVP_CIPHER *EVP_cast5_cbc(void); 618const EVP_CIPHER *EVP_cast5_cfb64(void); 619# define EVP_cast5_cfb EVP_cast5_cfb64 620const EVP_CIPHER *EVP_cast5_ofb(void); 621#endif 622#ifndef OPENSSL_NO_RC5 623const EVP_CIPHER *EVP_rc5_32_12_16_cbc(void); 624const EVP_CIPHER *EVP_rc5_32_12_16_ecb(void); 625const EVP_CIPHER *EVP_rc5_32_12_16_cfb64(void); 626# define EVP_rc5_32_12_16_cfb EVP_rc5_32_12_16_cfb64 627const EVP_CIPHER *EVP_rc5_32_12_16_ofb(void); 628#endif 629#ifndef OPENSSL_NO_AES 630const EVP_CIPHER *EVP_aes_128_ecb(void); 631const EVP_CIPHER *EVP_aes_128_cbc(void); 632const EVP_CIPHER *EVP_aes_128_cfb1(void); 633const EVP_CIPHER *EVP_aes_128_cfb8(void); 634const EVP_CIPHER *EVP_aes_128_cfb128(void); 635#define EVP_aes_128_cfb EVP_aes_128_cfb128 636const EVP_CIPHER *EVP_aes_128_ofb(void); 637const EVP_CIPHER *EVP_aes_192_ecb(void); 638const EVP_CIPHER *EVP_aes_192_cbc(void); 639const EVP_CIPHER *EVP_aes_192_cfb1(void); 640const EVP_CIPHER *EVP_aes_192_cfb8(void); 641const EVP_CIPHER *EVP_aes_192_cfb128(void); 642# define EVP_aes_192_cfb EVP_aes_192_cfb128 643const EVP_CIPHER *EVP_aes_192_ofb(void); 644const EVP_CIPHER *EVP_aes_256_ecb(void); 645const EVP_CIPHER *EVP_aes_256_cbc(void); 646const EVP_CIPHER *EVP_aes_256_cfb1(void); 647const EVP_CIPHER *EVP_aes_256_cfb8(void); 648const EVP_CIPHER *EVP_aes_256_cfb128(void); 649# define EVP_aes_256_cfb EVP_aes_256_cfb128 650const EVP_CIPHER *EVP_aes_256_ofb(void); 651#endif 652 653void OPENSSL_add_all_algorithms_noconf(void); 654void OPENSSL_add_all_algorithms_conf(void); 655 656#ifdef OPENSSL_LOAD_CONF 657#define OpenSSL_add_all_algorithms() \ 658 OPENSSL_add_all_algorithms_conf() 659#else 660#define OpenSSL_add_all_algorithms() \ 661 OPENSSL_add_all_algorithms_noconf() 662#endif 663 664void OpenSSL_add_all_ciphers(void); 665void OpenSSL_add_all_digests(void); 666#define SSLeay_add_all_algorithms() OpenSSL_add_all_algorithms() 667#define SSLeay_add_all_ciphers() OpenSSL_add_all_ciphers() 668#define SSLeay_add_all_digests() OpenSSL_add_all_digests() 669 670int EVP_add_cipher(const EVP_CIPHER *cipher); 671int EVP_add_digest(const EVP_MD *digest); 672 673const EVP_CIPHER *EVP_get_cipherbyname(const char *name); 674const EVP_MD *EVP_get_digestbyname(const char *name); 675void EVP_cleanup(void); 676 677int EVP_PKEY_decrypt(unsigned char *dec_key, 678 const unsigned char *enc_key,int enc_key_len, 679 EVP_PKEY *private_key); 680int EVP_PKEY_encrypt(unsigned char *enc_key, 681 const unsigned char *key,int key_len, 682 EVP_PKEY *pub_key); 683int EVP_PKEY_type(int type); 684int EVP_PKEY_bits(EVP_PKEY *pkey); 685int EVP_PKEY_size(EVP_PKEY *pkey); 686int EVP_PKEY_assign(EVP_PKEY *pkey,int type,char *key); 687 688#ifndef OPENSSL_NO_RSA 689struct rsa_st; 690int EVP_PKEY_set1_RSA(EVP_PKEY *pkey,struct rsa_st *key); 691struct rsa_st *EVP_PKEY_get1_RSA(EVP_PKEY *pkey); 692#endif 693#ifndef OPENSSL_NO_DSA 694struct dsa_st; 695int EVP_PKEY_set1_DSA(EVP_PKEY *pkey,struct dsa_st *key); 696struct dsa_st *EVP_PKEY_get1_DSA(EVP_PKEY *pkey); 697#endif 698#ifndef OPENSSL_NO_DH 699struct dh_st; 700int EVP_PKEY_set1_DH(EVP_PKEY *pkey,struct dh_st *key); 701struct dh_st *EVP_PKEY_get1_DH(EVP_PKEY *pkey); 702#endif 703#ifndef OPENSSL_NO_EC 704struct ec_key_st; 705int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey,struct ec_key_st *key); 706struct ec_key_st *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey); 707#endif 708 709EVP_PKEY * EVP_PKEY_new(void); 710void EVP_PKEY_free(EVP_PKEY *pkey); 711 712EVP_PKEY * d2i_PublicKey(int type,EVP_PKEY **a, const unsigned char **pp, 713 long length); 714int i2d_PublicKey(EVP_PKEY *a, unsigned char **pp); 715 716EVP_PKEY * d2i_PrivateKey(int type,EVP_PKEY **a, const unsigned char **pp, 717 long length); 718EVP_PKEY * d2i_AutoPrivateKey(EVP_PKEY **a, const unsigned char **pp, 719 long length); 720int i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp); 721 722int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from); 723int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey); 724int EVP_PKEY_save_parameters(EVP_PKEY *pkey,int mode); 725int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b); 726 727int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b); 728 729int EVP_CIPHER_type(const EVP_CIPHER *ctx); 730 731/* calls methods */ 732int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type); 733int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type); 734 735/* These are used by EVP_CIPHER methods */ 736int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type); 737int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type); 738 739/* PKCS5 password based encryption */ 740int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen, 741 ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md, 742 int en_de); 743int PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen, 744 const unsigned char *salt, int saltlen, int iter, 745 int keylen, unsigned char *out); 746int PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen, 747 ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md, 748 int en_de); 749 750void PKCS5_PBE_add(void); 751 752int EVP_PBE_CipherInit (ASN1_OBJECT *pbe_obj, const char *pass, int passlen, 753 ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de); 754int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md, 755 EVP_PBE_KEYGEN *keygen); 756void EVP_PBE_cleanup(void); 757 758/* BEGIN ERROR CODES */ 759/* The following lines are auto generated by the script mkerr.pl. Any changes 760 * made after this point may be overwritten when the script is next run. 761 */ 762void ERR_load_EVP_strings(void); 763 764/* Error codes for the EVP functions. */ 765 766/* Function codes. */ 767#define EVP_F_AES_INIT_KEY 133 768#define EVP_F_D2I_PKEY 100 769#define EVP_F_DSAPKEY2PKCS8 134 770#define EVP_F_DSA_PKEY2PKCS8 135 771#define EVP_F_ECDSA_PKEY2PKCS8 129 772#define EVP_F_ECKEY_PKEY2PKCS8 132 773#define EVP_F_EVP_CIPHERINIT_EX 123 774#define EVP_F_EVP_CIPHER_CTX_CTRL 124 775#define EVP_F_EVP_CIPHER_CTX_SET_KEY_LENGTH 122 776#define EVP_F_EVP_DECRYPTFINAL_EX 101 777#define EVP_F_EVP_DIGESTINIT_EX 128 778#define EVP_F_EVP_ENCRYPTFINAL_EX 127 779#define EVP_F_EVP_MD_CTX_COPY_EX 110 780#define EVP_F_EVP_OPENINIT 102 781#define EVP_F_EVP_PBE_ALG_ADD 115 782#define EVP_F_EVP_PBE_CIPHERINIT 116 783#define EVP_F_EVP_PKCS82PKEY 111 784#define EVP_F_EVP_PKEY2PKCS8_BROKEN 113 785#define EVP_F_EVP_PKEY_COPY_PARAMETERS 103 786#define EVP_F_EVP_PKEY_DECRYPT 104 787#define EVP_F_EVP_PKEY_ENCRYPT 105 788#define EVP_F_EVP_PKEY_GET1_DH 119 789#define EVP_F_EVP_PKEY_GET1_DSA 120 790#define EVP_F_EVP_PKEY_GET1_ECDSA 130 791#define EVP_F_EVP_PKEY_GET1_EC_KEY 131 792#define EVP_F_EVP_PKEY_GET1_RSA 121 793#define EVP_F_EVP_PKEY_NEW 106 794#define EVP_F_EVP_RIJNDAEL 126 795#define EVP_F_EVP_SIGNFINAL 107 796#define EVP_F_EVP_VERIFYFINAL 108 797#define EVP_F_PKCS5_PBE_KEYIVGEN 117 798#define EVP_F_PKCS5_V2_PBE_KEYIVGEN 118 799#define EVP_F_PKCS8_SET_BROKEN 112 800#define EVP_F_RC2_MAGIC_TO_METH 109 801#define EVP_F_RC5_CTRL 125 802 803/* Reason codes. */ 804#define EVP_R_AES_KEY_SETUP_FAILED 143 805#define EVP_R_ASN1_LIB 140 806#define EVP_R_BAD_BLOCK_LENGTH 136 807#define EVP_R_BAD_DECRYPT 100 808#define EVP_R_BAD_KEY_LENGTH 137 809#define EVP_R_BN_DECODE_ERROR 112 810#define EVP_R_BN_PUBKEY_ERROR 113 811#define EVP_R_CIPHER_PARAMETER_ERROR 122 812#define EVP_R_CTRL_NOT_IMPLEMENTED 132 813#define EVP_R_CTRL_OPERATION_NOT_IMPLEMENTED 133 814#define EVP_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH 138 815#define EVP_R_DECODE_ERROR 114 816#define EVP_R_DIFFERENT_KEY_TYPES 101 817#define EVP_R_ENCODE_ERROR 115 818#define EVP_R_EVP_PBE_CIPHERINIT_ERROR 119 819#define EVP_R_EXPECTING_AN_RSA_KEY 127 820#define EVP_R_EXPECTING_A_DH_KEY 128 821#define EVP_R_EXPECTING_A_DSA_KEY 129 822#define EVP_R_EXPECTING_A_ECDSA_KEY 141 823#define EVP_R_EXPECTING_A_EC_KEY 142 824#define EVP_R_INITIALIZATION_ERROR 134 825#define EVP_R_INPUT_NOT_INITIALIZED 111 826#define EVP_R_INVALID_KEY_LENGTH 130 827#define EVP_R_IV_TOO_LARGE 102 828#define EVP_R_KEYGEN_FAILURE 120 829#define EVP_R_MISSING_PARAMETERS 103 830#define EVP_R_NO_CIPHER_SET 131 831#define EVP_R_NO_DIGEST_SET 139 832#define EVP_R_NO_DSA_PARAMETERS 116 833#define EVP_R_NO_SIGN_FUNCTION_CONFIGURED 104 834#define EVP_R_NO_VERIFY_FUNCTION_CONFIGURED 105 835#define EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE 117 836#define EVP_R_PUBLIC_KEY_NOT_RSA 106 837#define EVP_R_UNKNOWN_PBE_ALGORITHM 121 838#define EVP_R_UNSUPORTED_NUMBER_OF_ROUNDS 135 839#define EVP_R_UNSUPPORTED_CIPHER 107 840#define EVP_R_UNSUPPORTED_KEYLENGTH 123 841#define EVP_R_UNSUPPORTED_KEY_DERIVATION_FUNCTION 124 842#define EVP_R_UNSUPPORTED_KEY_SIZE 108 843#define EVP_R_UNSUPPORTED_PRF 125 844#define EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM 118 845#define EVP_R_UNSUPPORTED_SALT_TYPE 126 846#define EVP_R_WRONG_FINAL_BLOCK_LENGTH 109 847#define EVP_R_WRONG_PUBLIC_KEY_TYPE 110 848 849#ifdef __cplusplus 850} 851#endif 852#endif 853