crypto/evp/evp.h

   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 #include <openssl/ossl_typ.h>
  71
  72 #include <openssl/symhacks.h>
  73
  74 #ifndef OPENSSL_NO_BIO
  75 #include <openssl/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 <openssl/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
 120 extern "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.... */
 126 struct evp_pkey_st
 127         {
 128         int type;
 129         int save_type;
 130         int references;
 131         const EVP_PKEY_ASN1_METHOD *ameth;
 132         const EVP_PKEY_METHOD *pmeth;
 133         union   {
 134                 char *ptr;
 135 #ifndef OPENSSL_NO_RSA
 136                 struct rsa_st *rsa;     /* RSA */
 137 #endif
 138 #ifndef OPENSSL_NO_DSA
 139                 struct dsa_st *dsa;     /* DSA */
 140 #endif
 141 #ifndef OPENSSL_NO_DH
 142                 struct dh_st *dh;       /* DH */
 143 #endif
 144 #ifndef OPENSSL_NO_EC
 145                 struct ec_key_st *ec;   /* ECC */
 146 #endif
 147                 } pkey;
 148         int save_parameters;
 149         STACK_OF(X509_ATTRIBUTE) *attributes; /* [ 0 ] */
 150         } /* EVP_PKEY */;
 151
 152 #define EVP_PKEY_MO_SIGN        0x0001
 153 #define EVP_PKEY_MO_VERIFY      0x0002
 154 #define EVP_PKEY_MO_ENCRYPT     0x0004
 155 #define EVP_PKEY_MO_DECRYPT     0x0008
 156
 157 #ifndef EVP_MD
 158 struct env_md_st
 159         {
 160         int type;
 161         int pkey_type;
 162         int md_size;
 163         unsigned long flags;
 164         int (*init)(EVP_MD_CTX *ctx);
 165         int (*update)(EVP_MD_CTX *ctx,const void *data,size_t count);
 166         int (*final)(EVP_MD_CTX *ctx,unsigned char *md);
 167         int (*copy)(EVP_MD_CTX *to,const EVP_MD_CTX *from);
 168         int (*cleanup)(EVP_MD_CTX *ctx);
 169
 170         /* FIXME: prototype these some day */
 171         int (*sign)(int type, const unsigned char *m, unsigned int m_length,
 172                     unsigned char *sigret, unsigned int *siglen, void *key);
 173         int (*verify)(int type, const unsigned char *m, unsigned int m_length,
 174                       const unsigned char *sigbuf, unsigned int siglen,
 175                       void *key);
 176         int required_pkey_type[5]; /*EVP_PKEY_xxx */
 177         int block_size;
 178         int ctx_size; /* how big does the ctx->md_data need to be */
 179         /* control function */
 180         int (*md_ctrl)(EVP_MD_CTX *ctx, int cmd, int p1, void *p2);
 181         } /* EVP_MD */;
 182
 183 typedef int evp_sign_method(int type,const unsigned char *m,
 184                             unsigned int m_length,unsigned char *sigret,
 185                             unsigned int *siglen, void *key);
 186 typedef int evp_verify_method(int type,const unsigned char *m,
 187                             unsigned int m_length,const unsigned char *sigbuf,
 188                             unsigned int siglen, void *key);
 189
 190 #define EVP_MD_FLAG_ONESHOT     0x0001 /* digest can only handle a single
 191                                         * block */
 192
 193 #define EVP_MD_FLAG_PKEY_DIGEST 0x0002 /* digest is a "clone" digest used
 194                                         * which is a copy of an existing
 195                                         * one for a specific public key type.
 196                                         * EVP_dss1() etc */
 197
 198 /* Digest uses EVP_PKEY_METHOD for signing instead of MD specific signing */
 199
 200 #define EVP_MD_FLAG_PKEY_METHOD_SIGNATURE       0x0004
 201
 202 /* DigestAlgorithmIdentifier flags... */
 203
 204 #define EVP_MD_FLAG_DIGALGID_MASK               0x0018
 205
 206 /* NULL or absent parameter accepted. Use NULL */
 207
 208 #define EVP_MD_FLAG_DIGALGID_NULL               0x0000
 209
 210 /* NULL or absent parameter accepted. Use NULL for PKCS#1 otherwise absent */
 211
 212 #define EVP_MD_FLAG_DIGALGID_ABSENT             0x0008
 213
 214 /* Custom handling via ctrl */
 215
 216 #define EVP_MD_FLAG_DIGALGID_CUSTOM             0x0018
 217
 218 /* Digest ctrls */
 219
 220 #define EVP_MD_CTRL_DIGALGID                    0x1
 221
 222 /* Minimum Algorithm specific ctrl value */
 223
 224 #define EVP_MD_CTRL_ALG_CTRL                    0x1000
 225
 226 #define EVP_PKEY_NULL_method    NULL,NULL,{0,0,0,0}
 227
 228 #ifndef OPENSSL_NO_DSA
 229 #define EVP_PKEY_DSA_method     (evp_sign_method *)DSA_sign, \
 230                                 (evp_verify_method *)DSA_verify, \
 231                                 {EVP_PKEY_DSA,EVP_PKEY_DSA2,EVP_PKEY_DSA3, \
 232                                         EVP_PKEY_DSA4,0}
 233 #else
 234 #define EVP_PKEY_DSA_method     EVP_PKEY_NULL_method
 235 #endif
 236
 237 #ifndef OPENSSL_NO_ECDSA
 238 #define EVP_PKEY_ECDSA_method   (evp_sign_method *)ECDSA_sign, \
 239                                 (evp_verify_method *)ECDSA_verify, \
 240                                  {EVP_PKEY_EC,0,0,0}
 241 #else
 242 #define EVP_PKEY_ECDSA_method   EVP_PKEY_NULL_method
 243 #endif
 244
 245 #ifndef OPENSSL_NO_RSA
 246 #define EVP_PKEY_RSA_method     (evp_sign_method *)RSA_sign, \
 247                                 (evp_verify_method *)RSA_verify, \
 248                                 {EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0}
 249 #define EVP_PKEY_RSA_ASN1_OCTET_STRING_method \
 250                                 (evp_sign_method *)RSA_sign_ASN1_OCTET_STRING, \
 251                                 (evp_verify_method *)RSA_verify_ASN1_OCTET_STRING, \
 252                                 {EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0}
 253 #else
 254 #define EVP_PKEY_RSA_method     EVP_PKEY_NULL_method
 255 #define EVP_PKEY_RSA_ASN1_OCTET_STRING_method EVP_PKEY_NULL_method
 256 #endif
 257
 258 #endif /* !EVP_MD */
 259
 260 struct env_md_ctx_st
 261         {
 262         const EVP_MD *digest;
 263         ENGINE *engine; /* functional reference if 'digest' is ENGINE-provided */
 264         unsigned long flags;
 265         void *md_data;
 266         /* Public key context for sign/verify */
 267         EVP_PKEY_CTX *pctx;
 268         } /* EVP_MD_CTX */;
 269
 270 /* values for EVP_MD_CTX flags */
 271
 272 #define EVP_MD_CTX_FLAG_ONESHOT         0x0001 /* digest update will be called
 273                                                 * once only */
 274 #define EVP_MD_CTX_FLAG_CLEANED         0x0002 /* context has already been
 275                                                 * cleaned */
 276 #define EVP_MD_CTX_FLAG_REUSE           0x0004 /* Don't free up ctx->md_data
 277                                                 * in EVP_MD_CTX_cleanup */
 278
 279 /* MD operational flags */
 280
 281 #define EVP_MD_CTX_FLAG_OP_MASK         0x00f0
 282
 283 #define EVP_MD_CTX_FLAG_OP_DIGEST       0x0000
 284 #define EVP_MD_CTX_FLAG_OP_SIGN         0x0010
 285 #define EVP_MD_CTX_FLAG_OP_VERIFY       0x0020
 286
 287 struct evp_cipher_st
 288         {
 289         int nid;
 290         int block_size;
 291         int key_len;            /* Default value for variable length ciphers */
 292         int iv_len;
 293         unsigned long flags;    /* Various flags */
 294         int (*init)(EVP_CIPHER_CTX *ctx, const unsigned char *key,
 295                     const unsigned char *iv, int enc);  /* init key */
 296         int (*do_cipher)(EVP_CIPHER_CTX *ctx, unsigned char *out,
 297                          const unsigned char *in, unsigned int inl);/* encrypt/decrypt data */
 298         int (*cleanup)(EVP_CIPHER_CTX *); /* cleanup ctx */
 299         int ctx_size;           /* how big ctx->cipher_data needs to be */
 300         int (*set_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Populate a ASN1_TYPE with parameters */
 301         int (*get_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Get parameters from a ASN1_TYPE */
 302         int (*ctrl)(EVP_CIPHER_CTX *, int type, int arg, void *ptr); /* Miscellaneous operations */
 303         void *app_data;         /* Application data */
 304         } /* EVP_CIPHER */;
 305
 306 /* Values for cipher flags */
 307
 308 /* Modes for ciphers */
 309
 310 #define         EVP_CIPH_STREAM_CIPHER          0x0
 311 #define         EVP_CIPH_ECB_MODE               0x1
 312 #define         EVP_CIPH_CBC_MODE               0x2
 313 #define         EVP_CIPH_CFB_MODE               0x3
 314 #define         EVP_CIPH_OFB_MODE               0x4
 315 #define         EVP_CIPH_MODE                   0x7
 316 /* Set if variable length cipher */
 317 #define         EVP_CIPH_VARIABLE_LENGTH        0x8
 318 /* Set if the iv handling should be done by the cipher itself */
 319 #define         EVP_CIPH_CUSTOM_IV              0x10
 320 /* Set if the cipher's init() function should be called if key is NULL */
 321 #define         EVP_CIPH_ALWAYS_CALL_INIT       0x20
 322 /* Call ctrl() to init cipher parameters */
 323 #define         EVP_CIPH_CTRL_INIT              0x40
 324 /* Don't use standard key length function */
 325 #define         EVP_CIPH_CUSTOM_KEY_LENGTH      0x80
 326 /* Don't use standard block padding */
 327 #define         EVP_CIPH_NO_PADDING             0x100
 328 /* cipher handles random key generation */
 329 #define         EVP_CIPH_RAND_KEY               0x200
 330
 331 /* ctrl() values */
 332
 333 #define         EVP_CTRL_INIT                   0x0
 334 #define         EVP_CTRL_SET_KEY_LENGTH         0x1
 335 #define         EVP_CTRL_GET_RC2_KEY_BITS       0x2
 336 #define         EVP_CTRL_SET_RC2_KEY_BITS       0x3
 337 #define         EVP_CTRL_GET_RC5_ROUNDS         0x4
 338 #define         EVP_CTRL_SET_RC5_ROUNDS         0x5
 339 #define         EVP_CTRL_RAND_KEY               0x6
 340 #define         EVP_CTRL_PBE_PRF_NID            0x7
 341
 342 typedef struct evp_cipher_info_st
 343         {
 344         const EVP_CIPHER *cipher;
 345         unsigned char iv[EVP_MAX_IV_LENGTH];
 346         } EVP_CIPHER_INFO;
 347
 348 struct evp_cipher_ctx_st
 349         {
 350         const EVP_CIPHER *cipher;
 351         ENGINE *engine; /* functional reference if 'cipher' is ENGINE-provided */
 352         int encrypt;            /* encrypt or decrypt */
 353         int buf_len;            /* number we have left */
 354
 355         unsigned char  oiv[EVP_MAX_IV_LENGTH];  /* original iv */
 356         unsigned char  iv[EVP_MAX_IV_LENGTH];   /* working iv */
 357         unsigned char buf[EVP_MAX_BLOCK_LENGTH];/* saved partial block */
 358         int num;                                /* used by cfb/ofb mode */
 359
 360         void *app_data;         /* application stuff */
 361         int key_len;            /* May change for variable length cipher */
 362         unsigned long flags;    /* Various flags */
 363         void *cipher_data; /* per EVP data */
 364         int final_used;
 365         int block_mask;
 366         unsigned char final[EVP_MAX_BLOCK_LENGTH];/* possible final block */
 367         } /* EVP_CIPHER_CTX */;
 368
 369 typedef struct evp_Encode_Ctx_st
 370         {
 371         int num;        /* number saved in a partial encode/decode */
 372         int length;     /* The length is either the output line length
 373                          * (in input bytes) or the shortest input line
 374                          * length that is ok.  Once decoding begins,
 375                          * the length is adjusted up each time a longer
 376                          * line is decoded */
 377         unsigned char enc_data[80];     /* data to encode */
 378         int line_num;   /* number read on current line */
 379         int expect_nl;
 380         } EVP_ENCODE_CTX;
 381
 382 /* Password based encryption function */
 383 typedef int (EVP_PBE_KEYGEN)(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
 384                 ASN1_TYPE *param, const EVP_CIPHER *cipher,
 385                 const EVP_MD *md, int en_de);
 386
 387 #ifndef OPENSSL_NO_RSA
 388 #define EVP_PKEY_assign_RSA(pkey,rsa) EVP_PKEY_assign((pkey),EVP_PKEY_RSA,\
 389                                         (char *)(rsa))
 390 #endif
 391
 392 #ifndef OPENSSL_NO_DSA
 393 #define EVP_PKEY_assign_DSA(pkey,dsa) EVP_PKEY_assign((pkey),EVP_PKEY_DSA,\
 394                                         (char *)(dsa))
 395 #endif
 396
 397 #ifndef OPENSSL_NO_DH
 398 #define EVP_PKEY_assign_DH(pkey,dh) EVP_PKEY_assign((pkey),EVP_PKEY_DH,\
 399                                         (char *)(dh))
 400 #endif
 401
 402 #ifndef OPENSSL_NO_EC
 403 #define EVP_PKEY_assign_EC_KEY(pkey,eckey) EVP_PKEY_assign((pkey),EVP_PKEY_EC,\
 404                                         (char *)(eckey))
 405 #endif
 406
 407 /* Add some extra combinations */
 408 #define EVP_get_digestbynid(a) EVP_get_digestbyname(OBJ_nid2sn(a))
 409 #define EVP_get_digestbyobj(a) EVP_get_digestbynid(OBJ_obj2nid(a))
 410 #define EVP_get_cipherbynid(a) EVP_get_cipherbyname(OBJ_nid2sn(a))
 411 #define EVP_get_cipherbyobj(a) EVP_get_cipherbynid(OBJ_obj2nid(a))
 412
 413 #define EVP_MD_type(e)                  ((e)->type)
 414 #define EVP_MD_nid(e)                   EVP_MD_type(e)
 415 #define EVP_MD_name(e)                  OBJ_nid2sn(EVP_MD_nid(e))
 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_name(e)              OBJ_nid2sn(EVP_CIPHER_nid(e))
 427 #define EVP_CIPHER_block_size(e)        ((e)->block_size)
 428 #define EVP_CIPHER_key_length(e)        ((e)->key_len)
 429 #define EVP_CIPHER_iv_length(e)         ((e)->iv_len)
 430 #define EVP_CIPHER_flags(e)             ((e)->flags)
 431 #define EVP_CIPHER_mode(e)              (((e)->flags) & EVP_CIPH_MODE)
 432
 433 #define EVP_CIPHER_CTX_cipher(e)        ((e)->cipher)
 434 #define EVP_CIPHER_CTX_nid(e)           ((e)->cipher->nid)
 435 #define EVP_CIPHER_CTX_block_size(e)    ((e)->cipher->block_size)
 436 #define EVP_CIPHER_CTX_key_length(e)    ((e)->key_len)
 437 #define EVP_CIPHER_CTX_iv_length(e)     ((e)->cipher->iv_len)
 438 #define EVP_CIPHER_CTX_get_app_data(e)  ((e)->app_data)
 439 #define EVP_CIPHER_CTX_set_app_data(e,d) ((e)->app_data=(char *)(d))
 440 #define EVP_CIPHER_CTX_type(c)         EVP_CIPHER_type(EVP_CIPHER_CTX_cipher(c))
 441 #define EVP_CIPHER_CTX_flags(e)         ((e)->cipher->flags)
 442 #define EVP_CIPHER_CTX_mode(e)          ((e)->cipher->flags & EVP_CIPH_MODE)
 443
 444 #define EVP_ENCODE_LENGTH(l)    (((l+2)/3*4)+(l/48+1)*2+80)
 445 #define EVP_DECODE_LENGTH(l)    ((l+3)/4*3+80)
 446
 447 #define EVP_SignInit_ex(a,b,c)          EVP_DigestInit_ex(a,b,c)
 448 #define EVP_SignInit(a,b)               EVP_DigestInit(a,b)
 449 #define EVP_SignUpdate(a,b,c)           EVP_DigestUpdate(a,b,c)
 450 #define EVP_VerifyInit_ex(a,b,c)        EVP_DigestInit_ex(a,b,c)
 451 #define EVP_VerifyInit(a,b)             EVP_DigestInit(a,b)
 452 #define EVP_VerifyUpdate(a,b,c)         EVP_DigestUpdate(a,b,c)
 453 #define EVP_OpenUpdate(a,b,c,d,e)       EVP_DecryptUpdate(a,b,c,d,e)
 454 #define EVP_SealUpdate(a,b,c,d,e)       EVP_EncryptUpdate(a,b,c,d,e)
 455
 456 #ifdef CONST_STRICT
 457 void BIO_set_md(BIO *,const EVP_MD *md);
 458 #else
 459 # define BIO_set_md(b,md)               BIO_ctrl(b,BIO_C_SET_MD,0,(char *)md)
 460 #endif
 461 #define BIO_get_md(b,mdp)               BIO_ctrl(b,BIO_C_GET_MD,0,(char *)mdp)
 462 #define BIO_get_md_ctx(b,mdcp)     BIO_ctrl(b,BIO_C_GET_MD_CTX,0,(char *)mdcp)
 463 #define BIO_get_cipher_status(b)        BIO_ctrl(b,BIO_C_GET_CIPHER_STATUS,0,NULL)
 464 #define BIO_get_cipher_ctx(b,c_pp)      BIO_ctrl(b,BIO_C_GET_CIPHER_CTX,0,(char *)c_pp)
 465
 466 #define EVP_Cipher(c,o,i,l)     (c)->cipher->do_cipher((c),(o),(i),(l))
 467
 468 #define EVP_add_cipher_alias(n,alias) \
 469         OBJ_NAME_add((alias),OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS,(n))
 470 #define EVP_add_digest_alias(n,alias) \
 471         OBJ_NAME_add((alias),OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,(n))
 472 #define EVP_delete_cipher_alias(alias) \
 473         OBJ_NAME_remove(alias,OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS);
 474 #define EVP_delete_digest_alias(alias) \
 475         OBJ_NAME_remove(alias,OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS);
 476
 477 void    EVP_MD_CTX_init(EVP_MD_CTX *ctx);
 478 int     EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx);
 479 EVP_MD_CTX *EVP_MD_CTX_create(void);
 480 void    EVP_MD_CTX_destroy(EVP_MD_CTX *ctx);
 481 int     EVP_MD_CTX_copy_ex(EVP_MD_CTX *out,const EVP_MD_CTX *in);
 482 #define EVP_MD_CTX_set_flags(ctx,flgs) ((ctx)->flags|=(flgs))
 483 #define EVP_MD_CTX_clear_flags(ctx,flgs) ((ctx)->flags&=~(flgs))
 484 #define EVP_MD_CTX_test_flags(ctx,flgs) ((ctx)->flags&(flgs))
 485 int     EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl);
 486 int     EVP_DigestUpdate(EVP_MD_CTX *ctx,const void *d,
 487                          size_t cnt);
 488 int     EVP_DigestFinal_ex(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s);
 489 int     EVP_Digest(const void *data, size_t count,
 490                 unsigned char *md, unsigned int *size, const EVP_MD *type, ENGINE *impl);
 491
 492 int     EVP_MD_CTX_copy(EVP_MD_CTX *out,const EVP_MD_CTX *in);
 493 int     EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type);
 494 int     EVP_DigestFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s);
 495
 496 int     EVP_read_pw_string(char *buf,int length,const char *prompt,int verify);
 497 void    EVP_set_pw_prompt(const char *prompt);
 498 char *  EVP_get_pw_prompt(void);
 499
 500 int     EVP_BytesToKey(const EVP_CIPHER *type,const EVP_MD *md,
 501                 const unsigned char *salt, const unsigned char *data,
 502                 int datal, int count, unsigned char *key,unsigned char *iv);
 503
 504 int     EVP_EncryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher,
 505                 const unsigned char *key, const unsigned char *iv);
 506 int     EVP_EncryptInit_ex(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher, ENGINE *impl,
 507                 const unsigned char *key, const unsigned char *iv);
 508 int     EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
 509                 int *outl, const unsigned char *in, int inl);
 510 int     EVP_EncryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
 511 int     EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
 512
 513 int     EVP_DecryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher,
 514                 const unsigned char *key, const unsigned char *iv);
 515 int     EVP_DecryptInit_ex(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher, ENGINE *impl,
 516                 const unsigned char *key, const unsigned char *iv);
 517 int     EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
 518                 int *outl, const unsigned char *in, int inl);
 519 int     EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
 520 int     EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
 521
 522 int     EVP_CipherInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher,
 523                        const unsigned char *key,const unsigned char *iv,
 524                        int enc);
 525 int     EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher, ENGINE *impl,
 526                        const unsigned char *key,const unsigned char *iv,
 527                        int enc);
 528 int     EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
 529                 int *outl, const unsigned char *in, int inl);
 530 int     EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
 531 int     EVP_CipherFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
 532
 533 int     EVP_SignFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s,
 534                 EVP_PKEY *pkey);
 535
 536 int     EVP_VerifyFinal(EVP_MD_CTX *ctx,const unsigned char *sigbuf,
 537                 unsigned int siglen,EVP_PKEY *pkey);
 538
 539 int     EVP_OpenInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
 540                 const unsigned char *ek, int ekl, const unsigned char *iv,
 541                 EVP_PKEY *priv);
 542 int     EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
 543
 544 int     EVP_SealInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,
 545                  unsigned char **ek, int *ekl, unsigned char *iv,
 546                 EVP_PKEY **pubk, int npubk);
 547 int     EVP_SealFinal(EVP_CIPHER_CTX *ctx,unsigned char *out,int *outl);
 548
 549 void    EVP_EncodeInit(EVP_ENCODE_CTX *ctx);
 550 void    EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl,
 551                 const unsigned char *in,int inl);
 552 void    EVP_EncodeFinal(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl);
 553 int     EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int n);
 554
 555 void    EVP_DecodeInit(EVP_ENCODE_CTX *ctx);
 556 int     EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl,
 557                 const unsigned char *in, int inl);
 558 int     EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned
 559                 char *out, int *outl);
 560 int     EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n);
 561
 562 void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *a);
 563 int EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *a);
 564 EVP_CIPHER_CTX *EVP_CIPHER_CTX_new(void);
 565 void EVP_CIPHER_CTX_free(EVP_CIPHER_CTX *a);
 566 int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *x, int keylen);
 567 int EVP_CIPHER_CTX_set_padding(EVP_CIPHER_CTX *c, int pad);
 568 int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr);
 569 int EVP_CIPHER_CTX_rand_key(EVP_CIPHER_CTX *ctx, unsigned char *key);
 570
 571 #ifndef OPENSSL_NO_BIO
 572 BIO_METHOD *BIO_f_md(void);
 573 BIO_METHOD *BIO_f_base64(void);
 574 BIO_METHOD *BIO_f_cipher(void);
 575 BIO_METHOD *BIO_f_reliable(void);
 576 void BIO_set_cipher(BIO *b,const EVP_CIPHER *c,const unsigned char *k,
 577                 const unsigned char *i, int enc);
 578 #endif
 579
 580 const EVP_MD *EVP_md_null(void);
 581 #ifndef OPENSSL_NO_MD2
 582 const EVP_MD *EVP_md2(void);
 583 #endif
 584 #ifndef OPENSSL_NO_MD4
 585 const EVP_MD *EVP_md4(void);
 586 #endif
 587 #ifndef OPENSSL_NO_MD5
 588 const EVP_MD *EVP_md5(void);
 589 #endif
 590 #ifndef OPENSSL_NO_SHA
 591 const EVP_MD *EVP_sha(void);
 592 const EVP_MD *EVP_sha1(void);
 593 const EVP_MD *EVP_dss(void);
 594 const EVP_MD *EVP_dss1(void);
 595 const EVP_MD *EVP_ecdsa(void);
 596 #endif
 597 #ifndef OPENSSL_NO_SHA256
 598 const EVP_MD *EVP_sha224(void);
 599 const EVP_MD *EVP_sha256(void);
 600 #endif
 601 #ifndef OPENSSL_NO_SHA512
 602 const EVP_MD *EVP_sha384(void);
 603 const EVP_MD *EVP_sha512(void);
 604 #endif
 605 #ifndef OPENSSL_NO_MDC2
 606 const EVP_MD *EVP_mdc2(void);
 607 #endif
 608 #ifndef OPENSSL_NO_RIPEMD
 609 const EVP_MD *EVP_ripemd160(void);
 610 #endif
 611 #ifndef OPENSSL_NO_WHIRLPOOL
 612 const EVP_MD *EVP_whirlpool(void);
 613 #endif
 614 const EVP_CIPHER *EVP_enc_null(void);           /* does nothing :-) */
 615 #ifndef OPENSSL_NO_DES
 616 const EVP_CIPHER *EVP_des_ecb(void);
 617 const EVP_CIPHER *EVP_des_ede(void);
 618 const EVP_CIPHER *EVP_des_ede3(void);
 619 const EVP_CIPHER *EVP_des_ede_ecb(void);
 620 const EVP_CIPHER *EVP_des_ede3_ecb(void);
 621 const EVP_CIPHER *EVP_des_cfb64(void);
 622 # define EVP_des_cfb EVP_des_cfb64
 623 const EVP_CIPHER *EVP_des_cfb1(void);
 624 const EVP_CIPHER *EVP_des_cfb8(void);
 625 const EVP_CIPHER *EVP_des_ede_cfb64(void);
 626 # define EVP_des_ede_cfb EVP_des_ede_cfb64
 627 #if 0
 628 const EVP_CIPHER *EVP_des_ede_cfb1(void);
 629 const EVP_CIPHER *EVP_des_ede_cfb8(void);
 630 #endif
 631 const EVP_CIPHER *EVP_des_ede3_cfb64(void);
 632 # define EVP_des_ede3_cfb EVP_des_ede3_cfb64
 633 const EVP_CIPHER *EVP_des_ede3_cfb1(void);
 634 const EVP_CIPHER *EVP_des_ede3_cfb8(void);
 635 const EVP_CIPHER *EVP_des_ofb(void);
 636 const EVP_CIPHER *EVP_des_ede_ofb(void);
 637 const EVP_CIPHER *EVP_des_ede3_ofb(void);
 638 const EVP_CIPHER *EVP_des_cbc(void);
 639 const EVP_CIPHER *EVP_des_ede_cbc(void);
 640 const EVP_CIPHER *EVP_des_ede3_cbc(void);
 641 const EVP_CIPHER *EVP_desx_cbc(void);
 642 /* This should now be supported through the dev_crypto ENGINE. But also, why are
 643  * rc4 and md5 declarations made here inside a "NO_DES" precompiler branch? */
 644 #if 0
 645 # ifdef OPENSSL_OPENBSD_DEV_CRYPTO
 646 const EVP_CIPHER *EVP_dev_crypto_des_ede3_cbc(void);
 647 const EVP_CIPHER *EVP_dev_crypto_rc4(void);
 648 const EVP_MD *EVP_dev_crypto_md5(void);
 649 # endif
 650 #endif
 651 #endif
 652 #ifndef OPENSSL_NO_RC4
 653 const EVP_CIPHER *EVP_rc4(void);
 654 const EVP_CIPHER *EVP_rc4_40(void);
 655 #endif
 656 #ifndef OPENSSL_NO_IDEA
 657 const EVP_CIPHER *EVP_idea_ecb(void);
 658 const EVP_CIPHER *EVP_idea_cfb64(void);
 659 # define EVP_idea_cfb EVP_idea_cfb64
 660 const EVP_CIPHER *EVP_idea_ofb(void);
 661 const EVP_CIPHER *EVP_idea_cbc(void);
 662 #endif
 663 #ifndef OPENSSL_NO_RC2
 664 const EVP_CIPHER *EVP_rc2_ecb(void);
 665 const EVP_CIPHER *EVP_rc2_cbc(void);
 666 const EVP_CIPHER *EVP_rc2_40_cbc(void);
 667 const EVP_CIPHER *EVP_rc2_64_cbc(void);
 668 const EVP_CIPHER *EVP_rc2_cfb64(void);
 669 # define EVP_rc2_cfb EVP_rc2_cfb64
 670 const EVP_CIPHER *EVP_rc2_ofb(void);
 671 #endif
 672 #ifndef OPENSSL_NO_BF
 673 const EVP_CIPHER *EVP_bf_ecb(void);
 674 const EVP_CIPHER *EVP_bf_cbc(void);
 675 const EVP_CIPHER *EVP_bf_cfb64(void);
 676 # define EVP_bf_cfb EVP_bf_cfb64
 677 const EVP_CIPHER *EVP_bf_ofb(void);
 678 #endif
 679 #ifndef OPENSSL_NO_CAST
 680 const EVP_CIPHER *EVP_cast5_ecb(void);
 681 const EVP_CIPHER *EVP_cast5_cbc(void);
 682 const EVP_CIPHER *EVP_cast5_cfb64(void);
 683 # define EVP_cast5_cfb EVP_cast5_cfb64
 684 const EVP_CIPHER *EVP_cast5_ofb(void);
 685 #endif
 686 #ifndef OPENSSL_NO_RC5
 687 const EVP_CIPHER *EVP_rc5_32_12_16_cbc(void);
 688 const EVP_CIPHER *EVP_rc5_32_12_16_ecb(void);
 689 const EVP_CIPHER *EVP_rc5_32_12_16_cfb64(void);
 690 # define EVP_rc5_32_12_16_cfb EVP_rc5_32_12_16_cfb64
 691 const EVP_CIPHER *EVP_rc5_32_12_16_ofb(void);
 692 #endif
 693 #ifndef OPENSSL_NO_AES
 694 const EVP_CIPHER *EVP_aes_128_ecb(void);
 695 const EVP_CIPHER *EVP_aes_128_cbc(void);
 696 const EVP_CIPHER *EVP_aes_128_cfb1(void);
 697 const EVP_CIPHER *EVP_aes_128_cfb8(void);
 698 const EVP_CIPHER *EVP_aes_128_cfb128(void);
 699 # define EVP_aes_128_cfb EVP_aes_128_cfb128
 700 const EVP_CIPHER *EVP_aes_128_ofb(void);
 701 #if 0
 702 const EVP_CIPHER *EVP_aes_128_ctr(void);
 703 #endif
 704 const EVP_CIPHER *EVP_aes_192_ecb(void);
 705 const EVP_CIPHER *EVP_aes_192_cbc(void);
 706 const EVP_CIPHER *EVP_aes_192_cfb1(void);
 707 const EVP_CIPHER *EVP_aes_192_cfb8(void);
 708 const EVP_CIPHER *EVP_aes_192_cfb128(void);
 709 # define EVP_aes_192_cfb EVP_aes_192_cfb128
 710 const EVP_CIPHER *EVP_aes_192_ofb(void);
 711 #if 0
 712 const EVP_CIPHER *EVP_aes_192_ctr(void);
 713 #endif
 714 const EVP_CIPHER *EVP_aes_256_ecb(void);
 715 const EVP_CIPHER *EVP_aes_256_cbc(void);
 716 const EVP_CIPHER *EVP_aes_256_cfb1(void);
 717 const EVP_CIPHER *EVP_aes_256_cfb8(void);
 718 const EVP_CIPHER *EVP_aes_256_cfb128(void);
 719 # define EVP_aes_256_cfb EVP_aes_256_cfb128
 720 const EVP_CIPHER *EVP_aes_256_ofb(void);
 721 #if 0
 722 const EVP_CIPHER *EVP_aes_256_ctr(void);
 723 #endif
 724 #endif
 725
 726 void OPENSSL_add_all_algorithms_noconf(void);
 727 void OPENSSL_add_all_algorithms_conf(void);
 728
 729 #ifdef OPENSSL_LOAD_CONF
 730 #define OpenSSL_add_all_algorithms() \
 731                 OPENSSL_add_all_algorithms_conf()
 732 #else
 733 #define OpenSSL_add_all_algorithms() \
 734                 OPENSSL_add_all_algorithms_noconf()
 735 #endif
 736
 737 void OpenSSL_add_all_ciphers(void);
 738 void OpenSSL_add_all_digests(void);
 739 #define SSLeay_add_all_algorithms() OpenSSL_add_all_algorithms()
 740 #define SSLeay_add_all_ciphers() OpenSSL_add_all_ciphers()
 741 #define SSLeay_add_all_digests() OpenSSL_add_all_digests()
 742
 743 int EVP_add_cipher(const EVP_CIPHER *cipher);
 744 int EVP_add_digest(const EVP_MD *digest);
 745
 746 const EVP_CIPHER *EVP_get_cipherbyname(const char *name);
 747 const EVP_MD *EVP_get_digestbyname(const char *name);
 748 void EVP_cleanup(void);
 749
 750 int             EVP_PKEY_decrypt_old(unsigned char *dec_key,
 751                         const unsigned char *enc_key,int enc_key_len,
 752                         EVP_PKEY *private_key);
 753 int             EVP_PKEY_encrypt_old(unsigned char *enc_key,
 754                         const unsigned char *key,int key_len,
 755                         EVP_PKEY *pub_key);
 756 int             EVP_PKEY_type(int type);
 757 int             EVP_PKEY_id(const EVP_PKEY *pkey);
 758 int             EVP_PKEY_base_id(const EVP_PKEY *pkey);
 759 int             EVP_PKEY_bits(EVP_PKEY *pkey);
 760 int             EVP_PKEY_size(EVP_PKEY *pkey);
 761 int             EVP_PKEY_assign(EVP_PKEY *pkey,int type,void *key);
 762 void *          EVP_PKEY_get0(EVP_PKEY *pkey);
 763
 764 #ifndef OPENSSL_NO_RSA
 765 struct rsa_st;
 766 int EVP_PKEY_set1_RSA(EVP_PKEY *pkey,struct rsa_st *key);
 767 struct rsa_st *EVP_PKEY_get1_RSA(EVP_PKEY *pkey);
 768 #endif
 769 #ifndef OPENSSL_NO_DSA
 770 struct dsa_st;
 771 int EVP_PKEY_set1_DSA(EVP_PKEY *pkey,struct dsa_st *key);
 772 struct dsa_st *EVP_PKEY_get1_DSA(EVP_PKEY *pkey);
 773 #endif
 774 #ifndef OPENSSL_NO_DH
 775 struct dh_st;
 776 int EVP_PKEY_set1_DH(EVP_PKEY *pkey,struct dh_st *key);
 777 struct dh_st *EVP_PKEY_get1_DH(EVP_PKEY *pkey);
 778 #endif
 779 #ifndef OPENSSL_NO_EC
 780 struct ec_key_st;
 781 int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey,struct ec_key_st *key);
 782 struct ec_key_st *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey);
 783 #endif
 784
 785 EVP_PKEY *      EVP_PKEY_new(void);
 786 void            EVP_PKEY_free(EVP_PKEY *pkey);
 787
 788 EVP_PKEY *      d2i_PublicKey(int type,EVP_PKEY **a, const unsigned char **pp,
 789                         long length);
 790 int             i2d_PublicKey(EVP_PKEY *a, unsigned char **pp);
 791
 792 EVP_PKEY *      d2i_PrivateKey(int type,EVP_PKEY **a, const unsigned char **pp,
 793                         long length);
 794 EVP_PKEY *      d2i_AutoPrivateKey(EVP_PKEY **a, const unsigned char **pp,
 795                         long length);
 796 int             i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp);
 797
 798 int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from);
 799 int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey);
 800 int EVP_PKEY_save_parameters(EVP_PKEY *pkey,int mode);
 801 int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b);
 802
 803 int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b);
 804
 805 int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey,
 806                                 int indent, ASN1_PCTX *pctx);
 807 int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey,
 808                                 int indent, ASN1_PCTX *pctx);
 809 int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey,
 810                                 int indent, ASN1_PCTX *pctx);
 811
 812 int EVP_PKEY_get_default_digest_nid(EVP_PKEY *pkey, int *pnid);
 813
 814 int EVP_CIPHER_type(const EVP_CIPHER *ctx);
 815
 816 /* calls methods */
 817 int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
 818 int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
 819
 820 /* These are used by EVP_CIPHER methods */
 821 int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type);
 822 int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type);
 823
 824 /* PKCS5 password based encryption */
 825 int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
 826                          ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md,
 827                          int en_de);
 828 int PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen,
 829                            const unsigned char *salt, int saltlen, int iter,
 830                            int keylen, unsigned char *out);
 831 int PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
 832                          ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md,
 833                          int en_de);
 834
 835 void PKCS5_PBE_add(void);
 836
 837 int EVP_PBE_CipherInit (ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
 838              ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de);
 839
 840 /* PBE type */
 841
 842 /* Can appear as the outermost AlgorithmIdentifier */
 843 #define EVP_PBE_TYPE_OUTER      0x0
 844 /* Is an PRF type OID */
 845 #define EVP_PBE_TYPE_PRF        0x1
 846
 847 int EVP_PBE_alg_add_type(int pbe_type, int pbe_nid, int cipher_nid, int md_nid,
 848              EVP_PBE_KEYGEN *keygen);
 849 int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md,
 850                     EVP_PBE_KEYGEN *keygen);
 851 int EVP_PBE_find(int type, int pbe_nid,
 852                         int *pcnid, int *pmnid, EVP_PBE_KEYGEN **pkeygen);
 853 void EVP_PBE_cleanup(void);
 854
 855 #define ASN1_PKEY_ALIAS         0x1
 856 #define ASN1_PKEY_DYNAMIC       0x2
 857 #define ASN1_PKEY_SIGPARAM_NULL 0x4
 858
 859 #define ASN1_PKEY_CTRL_PKCS7_SIGN       0x1
 860 #define ASN1_PKEY_CTRL_PKCS7_ENCRYPT    0x2
 861 #define ASN1_PKEY_CTRL_DEFAULT_MD_NID   0x3
 862
 863 int EVP_PKEY_asn1_get_count(void);
 864 const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_get0(int idx);
 865 const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find(int type);
 866 const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find_str(const char *str, int len);
 867 int EVP_PKEY_asn1_add0(const EVP_PKEY_ASN1_METHOD *ameth);
 868 int EVP_PKEY_asn1_add_alias(int to, int from);
 869 int EVP_PKEY_asn1_get0_info(int *ppkey_id, int *pkey_base_id, int *ppkey_flags,
 870                                 const char **pinfo, const char **ppem_str,
 871                                         const EVP_PKEY_ASN1_METHOD *ameth);
 872
 873 EVP_PKEY_ASN1_METHOD* EVP_PKEY_asn1_new(int id, int flags,
 874                                         const char *pem_str, const char *info);
 875 void EVP_PKEY_asn1_free(EVP_PKEY_ASN1_METHOD *ameth);
 876 void EVP_PKEY_asn1_set_public(EVP_PKEY_ASN1_METHOD *ameth,
 877                 int (*pub_decode)(EVP_PKEY *pk, X509_PUBKEY *pub),
 878                 int (*pub_encode)(X509_PUBKEY *pub, const EVP_PKEY *pk),
 879                 int (*pub_cmp)(const EVP_PKEY *a, const EVP_PKEY *b),
 880                 int (*pub_print)(BIO *out, const EVP_PKEY *pkey, int indent,
 881                                                         ASN1_PCTX *pctx),
 882                 int (*pkey_size)(const EVP_PKEY *pk),
 883                 int (*pkey_bits)(const EVP_PKEY *pk));
 884 void EVP_PKEY_asn1_set_private(EVP_PKEY_ASN1_METHOD *ameth,
 885                 int (*priv_decode)(EVP_PKEY *pk, PKCS8_PRIV_KEY_INFO *p8inf),
 886                 int (*priv_encode)(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pk),
 887                 int (*priv_print)(BIO *out, const EVP_PKEY *pkey, int indent,
 888                                                         ASN1_PCTX *pctx));
 889 void EVP_PKEY_asn1_set_param(EVP_PKEY_ASN1_METHOD *ameth,
 890                 int (*param_decode)(EVP_PKEY *pkey,
 891                                 const unsigned char **pder, int derlen),
 892                 int (*param_encode)(const EVP_PKEY *pkey, unsigned char **pder),
 893                 int (*param_missing)(const EVP_PKEY *pk),
 894                 int (*param_copy)(EVP_PKEY *to, const EVP_PKEY *from),
 895                 int (*param_cmp)(const EVP_PKEY *a, const EVP_PKEY *b),
 896                 int (*param_print)(BIO *out, const EVP_PKEY *pkey, int indent,
 897                                                         ASN1_PCTX *pctx));
 898
 899 void EVP_PKEY_asn1_set_free(EVP_PKEY_ASN1_METHOD *ameth,
 900                 void (*pkey_free)(EVP_PKEY *pkey));
 901 void EVP_PKEY_asn1_set_ctrl(EVP_PKEY_ASN1_METHOD *ameth,
 902                 int (*pkey_ctrl)(EVP_PKEY *pkey, int op,
 903                                                         long arg1, void *arg2));
 904
 905
 906 #define EVP_PKEY_OP_UNDEFINED           0
 907 #define EVP_PKEY_OP_PARAMGEN            (1<<1)
 908 #define EVP_PKEY_OP_KEYGEN              (1<<2)
 909 #define EVP_PKEY_OP_SIGN                (1<<3)
 910 #define EVP_PKEY_OP_VERIFY              (1<<4)
 911 #define EVP_PKEY_OP_VERIFYRECOVER       (1<<5)
 912 #define EVP_PKEY_OP_SIGNCTX             (1<<6)
 913 #define EVP_PKEY_OP_VERIFYCTX           (1<<7)
 914 #define EVP_PKEY_OP_ENCRYPT             (1<<8)
 915 #define EVP_PKEY_OP_DECRYPT             (1<<9)
 916 #define EVP_PKEY_OP_DERIVE              (1<<10)
 917
 918 #define EVP_PKEY_OP_TYPE_SIG    \
 919         (EVP_PKEY_OP_SIGN | EVP_PKEY_OP_VERIFY | EVP_PKEY_OP_VERIFYRECOVER \
 920                 | EVP_PKEY_OP_SIGNCTX | EVP_PKEY_OP_VERIFYCTX)
 921
 922 #define EVP_PKEY_OP_TYPE_CRYPT \
 923         (EVP_PKEY_OP_ENCRYPT | EVP_PKEY_OP_DECRYPT)
 924
 925 #define EVP_PKEY_OP_TYPE_NOGEN \
 926         (EVP_PKEY_OP_SIG | EVP_PKEY_OP_CRYPT | EVP_PKEY_OP_DERIVE)
 927
 928 #define EVP_PKEY_OP_TYPE_GEN \
 929                 (EVP_PKEY_OP_PARAMGEN | EVP_PKEY_OP_KEYGEN)
 930
 931 #define  EVP_PKEY_CTX_set_signature_md(ctx, md) \
 932                 EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG,  \
 933                                         EVP_PKEY_CTRL_MD, 0, (void *)md)
 934
 935 #define EVP_PKEY_CTRL_MD                1
 936 #define EVP_PKEY_CTRL_PEER_KEY          2
 937
 938 #define EVP_PKEY_CTRL_PKCS7_ENCRYPT     3
 939 #define EVP_PKEY_CTRL_PKCS7_DECRYPT     4
 940
 941 #define EVP_PKEY_ALG_CTRL               0x1000
 942
 943 #define EVP_PKEY_FLAG_AUTOARGLEN        2
 944
 945 const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type, ENGINE *e);
 946 EVP_PKEY_METHOD* EVP_PKEY_meth_new(int id, int flags);
 947 int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth);
 948
 949 EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e);
 950 EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e);
 951 void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx);
 952
 953 int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
 954                                 int cmd, int p1, void *p2);
 955 int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx, const char *type,
 956                                                 const char *value);
 957
 958 void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data);
 959 void *EVP_PKEY_CTX_get_data(EVP_PKEY_CTX *ctx);
 960 EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx);
 961
 962 void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data);
 963 void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx);
 964
 965 int EVP_PKEY_sign_init(EVP_PKEY_CTX *ctx);
 966 int EVP_PKEY_sign(EVP_PKEY_CTX *ctx,
 967                         unsigned char *sig, int *siglen,
 968                         const unsigned char *tbs, int tbslen);
 969 int EVP_PKEY_verify_init(EVP_PKEY_CTX *ctx);
 970 int EVP_PKEY_verify(EVP_PKEY_CTX *ctx,
 971                         const unsigned char *sig, int siglen,
 972                         const unsigned char *tbs, int tbslen);
 973 int EVP_PKEY_verify_recover_init(EVP_PKEY_CTX *ctx);
 974 int EVP_PKEY_verify_recover(EVP_PKEY_CTX *ctx,
 975                         unsigned char *rout, int *routlen,
 976                         const unsigned char *sig, int siglen);
 977 int EVP_PKEY_encrypt_init(EVP_PKEY_CTX *ctx);
 978 int EVP_PKEY_encrypt(EVP_PKEY_CTX *ctx,
 979                         unsigned char *out, int *outlen,
 980                         const unsigned char *in, int inlen);
 981 int EVP_PKEY_decrypt_init(EVP_PKEY_CTX *ctx);
 982 int EVP_PKEY_decrypt(EVP_PKEY_CTX *ctx,
 983                         unsigned char *out, int *outlen,
 984                         const unsigned char *in, int inlen);
 985
 986 int EVP_PKEY_derive_init(EVP_PKEY_CTX *ctx);
 987 int EVP_PKEY_derive_set_peer(EVP_PKEY_CTX *ctx, EVP_PKEY *peer);
 988 int EVP_PKEY_derive(EVP_PKEY_CTX *ctx, unsigned char *key, int *keylen);
 989
 990 typedef int EVP_PKEY_gen_cb(EVP_PKEY_CTX *ctx);
 991
 992 int EVP_PKEY_paramgen_init(EVP_PKEY_CTX *ctx);
 993 int EVP_PKEY_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey);
 994 int EVP_PKEY_keygen_init(EVP_PKEY_CTX *ctx);
 995 int EVP_PKEY_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey);
 996
 997 void EVP_PKEY_CTX_set_cb(EVP_PKEY_CTX *ctx, EVP_PKEY_gen_cb *cb);
 998 int EVP_PKEY_CTX_get_keygen_info(EVP_PKEY_CTX *ctx, int idx);
 999
1000 void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
1001         int (*init)(EVP_PKEY_CTX *ctx));
1002
1003 void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
1004         void (*cleanup)(EVP_PKEY_CTX *ctx));
1005
1006 void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth,
1007         int (*paramgen_init)(EVP_PKEY_CTX *ctx),
1008         int (*paramgen)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey));
1009
1010 void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth,
1011         int (*keygen_init)(EVP_PKEY_CTX *ctx),
1012         int (*keygen)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey));
1013
1014 void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth,
1015         int (*sign_init)(EVP_PKEY_CTX *ctx),
1016         int (*sign)(EVP_PKEY_CTX *ctx, unsigned char *sig, int *siglen,
1017                                         const unsigned char *tbs, int tbslen));
1018
1019 void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth,
1020         int (*verify_init)(EVP_PKEY_CTX *ctx),
1021         int (*verify)(EVP_PKEY_CTX *ctx, const unsigned char *sig, int siglen,
1022                                         const unsigned char *tbs, int tbslen));
1023
1024 void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth,
1025         int (*verify_recover_init)(EVP_PKEY_CTX *ctx),
1026         int (*verify_recover)(EVP_PKEY_CTX *ctx,
1027                                         unsigned char *sig, int *siglen,
1028                                         const unsigned char *tbs, int tbslen));
1029
1030 void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth,
1031         int (*signctx_init)(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx),
1032         int (*signctx)(EVP_PKEY_CTX *ctx, unsigned char *sig, int *siglen,
1033                                         EVP_MD_CTX *mctx));
1034
1035 void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth,
1036         int (*verifyctx_init)(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx),
1037         int (*verifyctx)(EVP_PKEY_CTX *ctx, const unsigned char *sig,int siglen,
1038                                         EVP_MD_CTX *mctx));
1039
1040 void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth,
1041         int (*encrypt_init)(EVP_PKEY_CTX *ctx),
1042         int (*encrypt)(EVP_PKEY_CTX *ctx, unsigned char *out, int *outlen,
1043                                         const unsigned char *in, int inlen));
1044
1045 void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth,
1046         int (*decrypt_init)(EVP_PKEY_CTX *ctx),
1047         int (*decrypt)(EVP_PKEY_CTX *ctx, unsigned char *out, int *outlen,
1048                                         const unsigned char *in, int inlen));
1049
1050 void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth,
1051         int (*derive_init)(EVP_PKEY_CTX *ctx),
1052         int (*derive)(EVP_PKEY_CTX *ctx, unsigned char *key, int *keylen));
1053
1054 void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
1055         int (*ctrl)(EVP_PKEY_CTX *ctx, int type, int p1, void *p2),
1056         int (*ctrl_str)(EVP_PKEY_CTX *ctx,
1057                                         const char *type, const char *value));
1058
1059 /* BEGIN ERROR CODES */
1060 /* The following lines are auto generated by the script mkerr.pl. Any changes
1061  * made after this point may be overwritten when the script is next run.
1062  */
1063 void ERR_load_EVP_strings(void);
1064
1065 /* Error codes for the EVP functions. */
1066
1067 /* Function codes. */
1068 #define EVP_F_AES_INIT_KEY                               133
1069 #define EVP_F_D2I_PKEY                                   100
1070 #define EVP_F_DSAPKEY2PKCS8                              134
1071 #define EVP_F_DSA_PKEY2PKCS8                             135
1072 #define EVP_F_ECDSA_PKEY2PKCS8                           129
1073 #define EVP_F_ECKEY_PKEY2PKCS8                           132
1074 #define EVP_F_EVP_CIPHERINIT_EX                          123
1075 #define EVP_F_EVP_CIPHER_CTX_CTRL                        124
1076 #define EVP_F_EVP_CIPHER_CTX_SET_KEY_LENGTH              122
1077 #define EVP_F_EVP_DECRYPTFINAL_EX                        101
1078 #define EVP_F_EVP_DIGESTINIT_EX                          128
1079 #define EVP_F_EVP_ENCRYPTFINAL_EX                        127
1080 #define EVP_F_EVP_MD_CTX_COPY_EX                         110
1081 #define EVP_F_EVP_OPENINIT                               102
1082 #define EVP_F_EVP_PBE_ALG_ADD                            115
1083 #define EVP_F_EVP_PBE_CIPHERINIT                         116
1084 #define EVP_F_EVP_PKCS82PKEY                             111
1085 #define EVP_F_EVP_PKCS82PKEY_BROKEN                      136
1086 #define EVP_F_EVP_PKEY2PKCS8_BROKEN                      113
1087 #define EVP_F_EVP_PKEY_COPY_PARAMETERS                   103
1088 #define EVP_F_EVP_PKEY_CTX_CTRL                          137
1089 #define EVP_F_EVP_PKEY_CTX_CTRL_STR                      150
1090 #define EVP_F_EVP_PKEY_DECRYPT                           104
1091 #define EVP_F_EVP_PKEY_DECRYPT_INIT                      138
1092 #define EVP_F_EVP_PKEY_DECRYPT_OLD                       151
1093 #define EVP_F_EVP_PKEY_DERIVE                            153
1094 #define EVP_F_EVP_PKEY_DERIVE_INIT                       154
1095 #define EVP_F_EVP_PKEY_DERIVE_SET_PEER                   155
1096 #define EVP_F_EVP_PKEY_ENCRYPT                           105
1097 #define EVP_F_EVP_PKEY_ENCRYPT_INIT                      139
1098 #define EVP_F_EVP_PKEY_ENCRYPT_OLD                       152
1099 #define EVP_F_EVP_PKEY_GET1_DH                           119
1100 #define EVP_F_EVP_PKEY_GET1_DSA                          120
1101 #define EVP_F_EVP_PKEY_GET1_ECDSA                        130
1102 #define EVP_F_EVP_PKEY_GET1_EC_KEY                       131
1103 #define EVP_F_EVP_PKEY_GET1_RSA                          121
1104 #define EVP_F_EVP_PKEY_KEYGEN                            146
1105 #define EVP_F_EVP_PKEY_KEYGEN_INIT                       147
1106 #define EVP_F_EVP_PKEY_NEW                               106
1107 #define EVP_F_EVP_PKEY_PARAMGEN                          148
1108 #define EVP_F_EVP_PKEY_PARAMGEN_INIT                     149
1109 #define EVP_F_EVP_PKEY_SIGN                              140
1110 #define EVP_F_EVP_PKEY_SIGN_INIT                         141
1111 #define EVP_F_EVP_PKEY_VERIFY                            142
1112 #define EVP_F_EVP_PKEY_VERIFY_INIT                       143
1113 #define EVP_F_EVP_PKEY_VERIFY_RECOVER                    144
1114 #define EVP_F_EVP_PKEY_VERIFY_RECOVER_INIT               145
1115 #define EVP_F_EVP_RIJNDAEL                               126
1116 #define EVP_F_EVP_SIGNFINAL                              107
1117 #define EVP_F_EVP_VERIFYFINAL                            108
1118 #define EVP_F_PKCS5_PBE_KEYIVGEN                         117
1119 #define EVP_F_PKCS5_V2_PBE_KEYIVGEN                      118
1120 #define EVP_F_PKCS8_SET_BROKEN                           112
1121 #define EVP_F_RC2_MAGIC_TO_METH                          109
1122 #define EVP_F_RC5_CTRL                                   125
1123
1124 /* Reason codes. */
1125 #define EVP_R_AES_KEY_SETUP_FAILED                       143
1126 #define EVP_R_ASN1_LIB                                   140
1127 #define EVP_R_BAD_BLOCK_LENGTH                           136
1128 #define EVP_R_BAD_DECRYPT                                100
1129 #define EVP_R_BAD_KEY_LENGTH                             137
1130 #define EVP_R_BN_DECODE_ERROR                            112
1131 #define EVP_R_BN_PUBKEY_ERROR                            113
1132 #define EVP_R_BUFFER_TOO_SMALL                           155
1133 #define EVP_R_CIPHER_PARAMETER_ERROR                     122
1134 #define EVP_R_COMMAND_NOT_SUPPORTED                      147
1135 #define EVP_R_CTRL_NOT_IMPLEMENTED                       132
1136 #define EVP_R_CTRL_OPERATION_NOT_IMPLEMENTED             133
1137 #define EVP_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH          138
1138 #define EVP_R_DECODE_ERROR                               114
1139 #define EVP_R_DIFFERENT_KEY_TYPES                        101
1140 #define EVP_R_DIFFERENT_PARAMETERS                       153
1141 #define EVP_R_ENCODE_ERROR                               115
1142 #define EVP_R_EVP_PBE_CIPHERINIT_ERROR                   119
1143 #define EVP_R_EXPECTING_AN_RSA_KEY                       127
1144 #define EVP_R_EXPECTING_A_DH_KEY                         128
1145 #define EVP_R_EXPECTING_A_DSA_KEY                        129
1146 #define EVP_R_EXPECTING_A_ECDSA_KEY                      141
1147 #define EVP_R_EXPECTING_A_EC_KEY                         142
1148 #define EVP_R_INITIALIZATION_ERROR                       134
1149 #define EVP_R_INPUT_NOT_INITIALIZED                      111
1150 #define EVP_R_INVALID_DIGEST                             152
1151 #define EVP_R_INVALID_KEY_LENGTH                         130
1152 #define EVP_R_INVALID_OPERATION                          148
1153 #define EVP_R_IV_TOO_LARGE                               102
1154 #define EVP_R_KEYGEN_FAILURE                             120
1155 #define EVP_R_METHOD_NOT_SUPPORTED                       144
1156 #define EVP_R_MISSING_PARAMETERS                         103
1157 #define EVP_R_NO_CIPHER_SET                              131
1158 #define EVP_R_NO_DIGEST_SET                              139
1159 #define EVP_R_NO_DSA_PARAMETERS                          116
1160 #define EVP_R_NO_KEY_SET                                 154
1161 #define EVP_R_NO_OPERATION_SET                           149
1162 #define EVP_R_NO_SIGN_FUNCTION_CONFIGURED                104
1163 #define EVP_R_NO_VERIFY_FUNCTION_CONFIGURED              105
1164 #define EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE   150
1165 #define EVP_R_OPERATON_NOT_INITIALIZED                   151
1166 #define EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE                  117
1167 #define EVP_R_PRIVATE_KEY_DECODE_ERROR                   145
1168 #define EVP_R_PRIVATE_KEY_ENCODE_ERROR                   146
1169 #define EVP_R_PUBLIC_KEY_NOT_RSA                         106
1170 #define EVP_R_UNKNOWN_PBE_ALGORITHM                      121
1171 #define EVP_R_UNSUPORTED_NUMBER_OF_ROUNDS                135
1172 #define EVP_R_UNSUPPORTED_CIPHER                         107
1173 #define EVP_R_UNSUPPORTED_KEYLENGTH                      123
1174 #define EVP_R_UNSUPPORTED_KEY_DERIVATION_FUNCTION        124
1175 #define EVP_R_UNSUPPORTED_KEY_SIZE                       108
1176 #define EVP_R_UNSUPPORTED_PRF                            125
1177 #define EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM          118
1178 #define EVP_R_UNSUPPORTED_SALT_TYPE                      126
1179 #define EVP_R_WRONG_FINAL_BLOCK_LENGTH                   109
1180 #define EVP_R_WRONG_PUBLIC_KEY_TYPE                      110
1181
1182 #ifdef  __cplusplus
1183 }
1184 #endif
1185 #endif