lib/libcrypto/evp/evp.h

   1 /* $OpenBSD: evp.h,v 1.69 2018/09/12 06:35:38 djm Exp $ */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58
  59 #ifndef HEADER_ENVELOPE_H
  60 #define HEADER_ENVELOPE_H
  61
  62 #include <openssl/opensslconf.h>
  63
  64 #include <openssl/ossl_typ.h>
  65
  66 #ifndef OPENSSL_NO_BIO
  67 #include <openssl/bio.h>
  68 #endif
  69
  70 /*
  71 #define EVP_RC2_KEY_SIZE                16
  72 #define EVP_RC4_KEY_SIZE                16
  73 #define EVP_BLOWFISH_KEY_SIZE           16
  74 #define EVP_CAST5_KEY_SIZE              16
  75 #define EVP_RC5_32_12_16_KEY_SIZE       16
  76 */
  77 #define EVP_MAX_MD_SIZE                 64      /* longest known is SHA512 */
  78 #define EVP_MAX_KEY_LENGTH              64
  79 #define EVP_MAX_IV_LENGTH               16
  80 #define EVP_MAX_BLOCK_LENGTH            32
  81
  82 #define PKCS5_SALT_LEN                  8
  83 /* Default PKCS#5 iteration count */
  84 #define PKCS5_DEFAULT_ITER              2048
  85
  86 #include <openssl/objects.h>
  87
  88 #define EVP_PK_RSA      0x0001
  89 #define EVP_PK_DSA      0x0002
  90 #define EVP_PK_DH       0x0004
  91 #define EVP_PK_EC       0x0008
  92 #define EVP_PKT_SIGN    0x0010
  93 #define EVP_PKT_ENC     0x0020
  94 #define EVP_PKT_EXCH    0x0040
  95 #define EVP_PKS_RSA     0x0100
  96 #define EVP_PKS_DSA     0x0200
  97 #define EVP_PKS_EC      0x0400
  98 #define EVP_PKT_EXP     0x1000 /* <= 512 bit key */
  99
 100 #define EVP_PKEY_NONE   NID_undef
 101 #define EVP_PKEY_RSA    NID_rsaEncryption
 102 #define EVP_PKEY_RSA2   NID_rsa
 103 #define EVP_PKEY_DSA    NID_dsa
 104 #define EVP_PKEY_DSA1   NID_dsa_2
 105 #define EVP_PKEY_DSA2   NID_dsaWithSHA
 106 #define EVP_PKEY_DSA3   NID_dsaWithSHA1
 107 #define EVP_PKEY_DSA4   NID_dsaWithSHA1_2
 108 #define EVP_PKEY_DH     NID_dhKeyAgreement
 109 #define EVP_PKEY_EC     NID_X9_62_id_ecPublicKey
 110 #define EVP_PKEY_GOSTR01 NID_id_GostR3410_2001
 111 #define EVP_PKEY_GOSTIMIT NID_id_Gost28147_89_MAC
 112 #define EVP_PKEY_HMAC   NID_hmac
 113 #define EVP_PKEY_CMAC   NID_cmac
 114 #define EVP_PKEY_GOSTR12_256 NID_id_tc26_gost3410_2012_256
 115 #define EVP_PKEY_GOSTR12_512 NID_id_tc26_gost3410_2012_512
 116
 117 #ifdef  __cplusplus
 118 extern "C" {
 119 #endif
 120
 121 /* Type needs to be a bit field
 122  * Sub-type needs to be for variations on the method, as in, can it do
 123  * arbitrary encryption.... */
 124 struct evp_pkey_st {
 125         int type;
 126         int save_type;
 127         int references;
 128         const EVP_PKEY_ASN1_METHOD *ameth;
 129         ENGINE *engine;
 130         union   {
 131                 char *ptr;
 132 #ifndef OPENSSL_NO_RSA
 133                 struct rsa_st *rsa;     /* RSA */
 134 #endif
 135 #ifndef OPENSSL_NO_DSA
 136                 struct dsa_st *dsa;     /* DSA */
 137 #endif
 138 #ifndef OPENSSL_NO_DH
 139                 struct dh_st *dh;       /* DH */
 140 #endif
 141 #ifndef OPENSSL_NO_EC
 142                 struct ec_key_st *ec;   /* ECC */
 143 #endif
 144 #ifndef OPENSSL_NO_GOST
 145                 struct gost_key_st *gost; /* GOST */
 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 typedef int evp_sign_method(int type, const unsigned char *m,
 158     unsigned int m_length, unsigned char *sigret, unsigned int *siglen,
 159     void *key);
 160 typedef int evp_verify_method(int type, const unsigned char *m,
 161     unsigned int m_length, const unsigned char *sigbuf, unsigned int siglen,
 162     void *key);
 163
 164 #ifndef EVP_MD
 165 struct env_md_st {
 166         int type;
 167         int pkey_type;
 168         int md_size;
 169         unsigned long flags;
 170         int (*init)(EVP_MD_CTX *ctx);
 171         int (*update)(EVP_MD_CTX *ctx, const void *data, size_t count);
 172         int (*final)(EVP_MD_CTX *ctx, unsigned char *md);
 173         int (*copy)(EVP_MD_CTX *to, const EVP_MD_CTX *from);
 174         int (*cleanup)(EVP_MD_CTX *ctx);
 175
 176         evp_sign_method *sign;
 177         evp_verify_method *verify;
 178         int required_pkey_type[5]; /*EVP_PKEY_xxx */
 179         int block_size;
 180         int ctx_size; /* how big does the ctx->md_data need to be */
 181         /* control function */
 182         int (*md_ctrl)(EVP_MD_CTX *ctx, int cmd, int p1, void *p2);
 183 } /* EVP_MD */;
 184
 185 #define EVP_MD_FLAG_ONESHOT     0x0001 /* digest can only handle a single
 186                                         * block */
 187
 188 #define EVP_MD_FLAG_PKEY_DIGEST 0x0002 /* digest is a "clone" digest used
 189                                         * which is a copy of an existing
 190                                         * one for a specific public key type.
 191                                         * EVP_dss1() etc */
 192
 193 /* Digest uses EVP_PKEY_METHOD for signing instead of MD specific signing */
 194
 195 #define EVP_MD_FLAG_PKEY_METHOD_SIGNATURE       0x0004
 196
 197 /* DigestAlgorithmIdentifier flags... */
 198
 199 #define EVP_MD_FLAG_DIGALGID_MASK               0x0018
 200
 201 /* NULL or absent parameter accepted. Use NULL */
 202
 203 #define EVP_MD_FLAG_DIGALGID_NULL               0x0000
 204
 205 /* NULL or absent parameter accepted. Use NULL for PKCS#1 otherwise absent */
 206
 207 #define EVP_MD_FLAG_DIGALGID_ABSENT             0x0008
 208
 209 /* Custom handling via ctrl */
 210
 211 #define EVP_MD_FLAG_DIGALGID_CUSTOM             0x0018
 212
 213 #define EVP_MD_FLAG_FIPS        0x0400 /* Note if suitable for use in FIPS mode */
 214
 215 /* Digest ctrls */
 216
 217 #define EVP_MD_CTRL_DIGALGID                    0x1
 218 #define EVP_MD_CTRL_MICALG                      0x2
 219 #define EVP_MD_CTRL_SET_KEY                     0x3
 220 #define EVP_MD_CTRL_GOST_SET_SBOX               0x4
 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         const EVP_MD *digest;
 262         ENGINE *engine; /* functional reference if 'digest' is ENGINE-provided */
 263         unsigned long flags;
 264         void *md_data;
 265         /* Public key context for sign/verify */
 266         EVP_PKEY_CTX *pctx;
 267         /* Update function: usually copied from EVP_MD */
 268         int (*update)(EVP_MD_CTX *ctx, const void *data, size_t count);
 269 } /* EVP_MD_CTX */;
 270
 271 /* values for EVP_MD_CTX flags */
 272
 273 #define EVP_MD_CTX_FLAG_ONESHOT         0x0001 /* digest update will be called
 274                                                 * once only */
 275 #define EVP_MD_CTX_FLAG_CLEANED         0x0002 /* context has already been
 276                                                 * cleaned */
 277 #define EVP_MD_CTX_FLAG_REUSE           0x0004 /* Don't free up ctx->md_data
 278                                                 * in EVP_MD_CTX_cleanup */
 279 /* FIPS and pad options are ignored in 1.0.0, definitions are here
 280  * so we don't accidentally reuse the values for other purposes.
 281  */
 282
 283 #define EVP_MD_CTX_FLAG_NON_FIPS_ALLOW  0x0008  /* Allow use of non FIPS digest
 284                                                  * in FIPS mode */
 285
 286 /* The following PAD options are also currently ignored in 1.0.0, digest
 287  * parameters are handled through EVP_DigestSign*() and EVP_DigestVerify*()
 288  * instead.
 289  */
 290 #define EVP_MD_CTX_FLAG_PAD_MASK        0xF0    /* RSA mode to use */
 291 #define EVP_MD_CTX_FLAG_PAD_PKCS1       0x00    /* PKCS#1 v1.5 mode */
 292 #define EVP_MD_CTX_FLAG_PAD_X931        0x10    /* X9.31 mode */
 293 #define EVP_MD_CTX_FLAG_PAD_PSS         0x20    /* PSS mode */
 294
 295 #define EVP_MD_CTX_FLAG_NO_INIT         0x0100 /* Don't initialize md_data */
 296
 297 struct evp_cipher_st {
 298         int nid;
 299         int block_size;
 300         int key_len;            /* Default value for variable length ciphers */
 301         int iv_len;
 302         unsigned long flags;    /* Various flags */
 303         int (*init)(EVP_CIPHER_CTX *ctx, const unsigned char *key,
 304             const unsigned char *iv, int enc);  /* init key */
 305         int (*do_cipher)(EVP_CIPHER_CTX *ctx, unsigned char *out,
 306             const unsigned char *in, size_t inl);/* encrypt/decrypt data */
 307         int (*cleanup)(EVP_CIPHER_CTX *); /* cleanup ctx */
 308         int ctx_size;           /* how big ctx->cipher_data needs to be */
 309         int (*set_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Populate a ASN1_TYPE with parameters */
 310         int (*get_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Get parameters from a ASN1_TYPE */
 311         int (*ctrl)(EVP_CIPHER_CTX *, int type, int arg, void *ptr); /* Miscellaneous operations */
 312         void *app_data;         /* Application data */
 313 } /* EVP_CIPHER */;
 314
 315 /* Values for cipher flags */
 316
 317 /* Modes for ciphers */
 318
 319 #define         EVP_CIPH_STREAM_CIPHER          0x0
 320 #define         EVP_CIPH_ECB_MODE               0x1
 321 #define         EVP_CIPH_CBC_MODE               0x2
 322 #define         EVP_CIPH_CFB_MODE               0x3
 323 #define         EVP_CIPH_OFB_MODE               0x4
 324 #define         EVP_CIPH_CTR_MODE               0x5
 325 #define         EVP_CIPH_GCM_MODE               0x6
 326 #define         EVP_CIPH_CCM_MODE               0x7
 327 #define         EVP_CIPH_XTS_MODE               0x10001
 328 #define         EVP_CIPH_MODE                   0xF0007
 329 /* Set if variable length cipher */
 330 #define         EVP_CIPH_VARIABLE_LENGTH        0x8
 331 /* Set if the iv handling should be done by the cipher itself */
 332 #define         EVP_CIPH_CUSTOM_IV              0x10
 333 /* Set if the cipher's init() function should be called if key is NULL */
 334 #define         EVP_CIPH_ALWAYS_CALL_INIT       0x20
 335 /* Call ctrl() to init cipher parameters */
 336 #define         EVP_CIPH_CTRL_INIT              0x40
 337 /* Don't use standard key length function */
 338 #define         EVP_CIPH_CUSTOM_KEY_LENGTH      0x80
 339 /* Don't use standard block padding */
 340 #define         EVP_CIPH_NO_PADDING             0x100
 341 /* cipher handles random key generation */
 342 #define         EVP_CIPH_RAND_KEY               0x200
 343 /* cipher has its own additional copying logic */
 344 #define         EVP_CIPH_CUSTOM_COPY            0x400
 345 /* Allow use default ASN1 get/set iv */
 346 #define         EVP_CIPH_FLAG_DEFAULT_ASN1      0x1000
 347 /* Buffer length in bits not bytes: CFB1 mode only */
 348 #define         EVP_CIPH_FLAG_LENGTH_BITS       0x2000
 349 /* Note if suitable for use in FIPS mode */
 350 #define         EVP_CIPH_FLAG_FIPS              0x4000
 351 /* Allow non FIPS cipher in FIPS mode */
 352 #define         EVP_CIPH_FLAG_NON_FIPS_ALLOW    0x8000
 353 /* Cipher handles any and all padding logic as well
 354  * as finalisation.
 355  */
 356 #define         EVP_CIPH_FLAG_CUSTOM_CIPHER     0x100000
 357 #define         EVP_CIPH_FLAG_AEAD_CIPHER       0x200000
 358
 359 /* ctrl() values */
 360
 361 #define         EVP_CTRL_INIT                   0x0
 362 #define         EVP_CTRL_SET_KEY_LENGTH         0x1
 363 #define         EVP_CTRL_GET_RC2_KEY_BITS       0x2
 364 #define         EVP_CTRL_SET_RC2_KEY_BITS       0x3
 365 #define         EVP_CTRL_GET_RC5_ROUNDS         0x4
 366 #define         EVP_CTRL_SET_RC5_ROUNDS         0x5
 367 #define         EVP_CTRL_RAND_KEY               0x6
 368 #define         EVP_CTRL_PBE_PRF_NID            0x7
 369 #define         EVP_CTRL_COPY                   0x8
 370 #define         EVP_CTRL_GCM_SET_IVLEN          0x9
 371 #define         EVP_CTRL_GCM_GET_TAG            0x10
 372 #define         EVP_CTRL_GCM_SET_TAG            0x11
 373 #define         EVP_CTRL_GCM_SET_IV_FIXED       0x12
 374 #define         EVP_CTRL_GCM_IV_GEN             0x13
 375 #define         EVP_CTRL_CCM_SET_IVLEN          EVP_CTRL_GCM_SET_IVLEN
 376 #define         EVP_CTRL_CCM_GET_TAG            EVP_CTRL_GCM_GET_TAG
 377 #define         EVP_CTRL_CCM_SET_TAG            EVP_CTRL_GCM_SET_TAG
 378 #define         EVP_CTRL_CCM_SET_L              0x14
 379 #define         EVP_CTRL_CCM_SET_MSGLEN         0x15
 380 /* AEAD cipher deduces payload length and returns number of bytes
 381  * required to store MAC and eventual padding. Subsequent call to
 382  * EVP_Cipher even appends/verifies MAC.
 383  */
 384 #define         EVP_CTRL_AEAD_TLS1_AAD          0x16
 385 /* Used by composite AEAD ciphers, no-op in GCM, CCM... */
 386 #define         EVP_CTRL_AEAD_SET_MAC_KEY       0x17
 387 /* Set the GCM invocation field, decrypt only */
 388 #define         EVP_CTRL_GCM_SET_IV_INV         0x18
 389 /* Set the S-BOX NID for GOST ciphers */
 390 #define         EVP_CTRL_GOST_SET_SBOX          0x19
 391
 392 /* GCM TLS constants */
 393 /* Length of fixed part of IV derived from PRF */
 394 #define EVP_GCM_TLS_FIXED_IV_LEN                        4
 395 /* Length of explicit part of IV part of TLS records */
 396 #define EVP_GCM_TLS_EXPLICIT_IV_LEN                     8
 397 /* Length of tag for TLS */
 398 #define EVP_GCM_TLS_TAG_LEN                             16
 399
 400 typedef struct evp_cipher_info_st {
 401         const EVP_CIPHER *cipher;
 402         unsigned char iv[EVP_MAX_IV_LENGTH];
 403 } EVP_CIPHER_INFO;
 404
 405 struct evp_cipher_ctx_st {
 406         const EVP_CIPHER *cipher;
 407         ENGINE *engine; /* functional reference if 'cipher' is ENGINE-provided */
 408         int encrypt;            /* encrypt or decrypt */
 409         int buf_len;            /* number we have left */
 410
 411         unsigned char  oiv[EVP_MAX_IV_LENGTH];  /* original iv */
 412         unsigned char  iv[EVP_MAX_IV_LENGTH];   /* working iv */
 413         unsigned char buf[EVP_MAX_BLOCK_LENGTH];/* saved partial block */
 414         int num;                                /* used by cfb/ofb/ctr mode */
 415
 416         void *app_data;         /* application stuff */
 417         int key_len;            /* May change for variable length cipher */
 418         unsigned long flags;    /* Various flags */
 419         void *cipher_data; /* per EVP data */
 420         int final_used;
 421         int block_mask;
 422         unsigned char final[EVP_MAX_BLOCK_LENGTH];/* possible final block */
 423 } /* EVP_CIPHER_CTX */;
 424
 425 typedef struct evp_Encode_Ctx_st {
 426         int num;        /* number saved in a partial encode/decode */
 427         int length;     /* The length is either the output line length
 428                          * (in input bytes) or the shortest input line
 429                          * length that is ok.  Once decoding begins,
 430                          * the length is adjusted up each time a longer
 431                          * line is decoded */
 432         unsigned char enc_data[80];     /* data to encode */
 433         int line_num;   /* number read on current line */
 434         int expect_nl;
 435 } EVP_ENCODE_CTX;
 436
 437 /* Password based encryption function */
 438 typedef int (EVP_PBE_KEYGEN)(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
 439     ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md, int en_de);
 440
 441 #ifndef OPENSSL_NO_RSA
 442 #define EVP_PKEY_assign_RSA(pkey,rsa) EVP_PKEY_assign((pkey),EVP_PKEY_RSA,\
 443                                         (char *)(rsa))
 444 #endif
 445
 446 #ifndef OPENSSL_NO_DSA
 447 #define EVP_PKEY_assign_DSA(pkey,dsa) EVP_PKEY_assign((pkey),EVP_PKEY_DSA,\
 448                                         (char *)(dsa))
 449 #endif
 450
 451 #ifndef OPENSSL_NO_DH
 452 #define EVP_PKEY_assign_DH(pkey,dh) EVP_PKEY_assign((pkey),EVP_PKEY_DH,\
 453                                         (char *)(dh))
 454 #endif
 455
 456 #ifndef OPENSSL_NO_EC
 457 #define EVP_PKEY_assign_EC_KEY(pkey,eckey) EVP_PKEY_assign((pkey),EVP_PKEY_EC,\
 458                                         (char *)(eckey))
 459 #endif
 460
 461 #ifndef OPENSSL_NO_GOST
 462 #define EVP_PKEY_assign_GOST(pkey,gostkey) EVP_PKEY_assign((pkey),EVP_PKEY_GOSTR01,\
 463                                         (char *)(gostkey))
 464 #endif
 465
 466 /* Add some extra combinations */
 467 #define EVP_get_digestbynid(a) EVP_get_digestbyname(OBJ_nid2sn(a))
 468 #define EVP_get_digestbyobj(a) EVP_get_digestbynid(OBJ_obj2nid(a))
 469 #define EVP_get_cipherbynid(a) EVP_get_cipherbyname(OBJ_nid2sn(a))
 470 #define EVP_get_cipherbyobj(a) EVP_get_cipherbynid(OBJ_obj2nid(a))
 471
 472 int EVP_MD_type(const EVP_MD *md);
 473 #define EVP_MD_nid(e)                   EVP_MD_type(e)
 474 #define EVP_MD_name(e)                  OBJ_nid2sn(EVP_MD_nid(e))
 475 int EVP_MD_pkey_type(const EVP_MD *md);
 476 int EVP_MD_size(const EVP_MD *md);
 477 int EVP_MD_block_size(const EVP_MD *md);
 478 unsigned long EVP_MD_flags(const EVP_MD *md);
 479
 480 const EVP_MD *EVP_MD_CTX_md(const EVP_MD_CTX *ctx);
 481 #define EVP_MD_CTX_size(e)              EVP_MD_size(EVP_MD_CTX_md(e))
 482 #define EVP_MD_CTX_block_size(e)        EVP_MD_block_size(EVP_MD_CTX_md(e))
 483 #define EVP_MD_CTX_type(e)              EVP_MD_type(EVP_MD_CTX_md(e))
 484
 485 int EVP_CIPHER_nid(const EVP_CIPHER *cipher);
 486 #define EVP_CIPHER_name(e)              OBJ_nid2sn(EVP_CIPHER_nid(e))
 487 int EVP_CIPHER_block_size(const EVP_CIPHER *cipher);
 488 int EVP_CIPHER_key_length(const EVP_CIPHER *cipher);
 489 int EVP_CIPHER_iv_length(const EVP_CIPHER *cipher);
 490 unsigned long EVP_CIPHER_flags(const EVP_CIPHER *cipher);
 491 #define EVP_CIPHER_mode(e)              (EVP_CIPHER_flags(e) & EVP_CIPH_MODE)
 492
 493 const EVP_CIPHER * EVP_CIPHER_CTX_cipher(const EVP_CIPHER_CTX *ctx);
 494 int EVP_CIPHER_CTX_encrypting(const EVP_CIPHER_CTX *ctx);
 495 int EVP_CIPHER_CTX_nid(const EVP_CIPHER_CTX *ctx);
 496 int EVP_CIPHER_CTX_block_size(const EVP_CIPHER_CTX *ctx);
 497 int EVP_CIPHER_CTX_key_length(const EVP_CIPHER_CTX *ctx);
 498 int EVP_CIPHER_CTX_iv_length(const EVP_CIPHER_CTX *ctx);
 499 int EVP_CIPHER_CTX_get_iv(const EVP_CIPHER_CTX *ctx,
 500     unsigned char *iv, size_t len);
 501 int EVP_CIPHER_CTX_set_iv(EVP_CIPHER_CTX *ctx,
 502     const unsigned char *iv, size_t len);
 503 int EVP_CIPHER_CTX_copy(EVP_CIPHER_CTX *out, const EVP_CIPHER_CTX *in);
 504 void * EVP_CIPHER_CTX_get_app_data(const EVP_CIPHER_CTX *ctx);
 505 void EVP_CIPHER_CTX_set_app_data(EVP_CIPHER_CTX *ctx, void *data);
 506 #define EVP_CIPHER_CTX_type(c)         EVP_CIPHER_type(EVP_CIPHER_CTX_cipher(c))
 507 unsigned long EVP_CIPHER_CTX_flags(const EVP_CIPHER_CTX *ctx);
 508 #define EVP_CIPHER_CTX_mode(e)          (EVP_CIPHER_CTX_flags(e) & EVP_CIPH_MODE)
 509
 510 #define EVP_ENCODE_LENGTH(l)    (((l+2)/3*4)+(l/48+1)*2+80)
 511 #define EVP_DECODE_LENGTH(l)    ((l+3)/4*3+80)
 512
 513 #define EVP_SignInit_ex(a,b,c)          EVP_DigestInit_ex(a,b,c)
 514 #define EVP_SignInit(a,b)               EVP_DigestInit(a,b)
 515 #define EVP_SignUpdate(a,b,c)           EVP_DigestUpdate(a,b,c)
 516 #define EVP_VerifyInit_ex(a,b,c)        EVP_DigestInit_ex(a,b,c)
 517 #define EVP_VerifyInit(a,b)             EVP_DigestInit(a,b)
 518 #define EVP_VerifyUpdate(a,b,c)         EVP_DigestUpdate(a,b,c)
 519 #define EVP_OpenUpdate(a,b,c,d,e)       EVP_DecryptUpdate(a,b,c,d,e)
 520 #define EVP_SealUpdate(a,b,c,d,e)       EVP_EncryptUpdate(a,b,c,d,e)
 521 #define EVP_DigestSignUpdate(a,b,c)     EVP_DigestUpdate(a,b,c)
 522 #define EVP_DigestVerifyUpdate(a,b,c)   EVP_DigestUpdate(a,b,c)
 523
 524 #define BIO_set_md(b,md)                BIO_ctrl(b,BIO_C_SET_MD,0,(char *)md)
 525 #define BIO_get_md(b,mdp)               BIO_ctrl(b,BIO_C_GET_MD,0,(char *)mdp)
 526 #define BIO_get_md_ctx(b,mdcp)     BIO_ctrl(b,BIO_C_GET_MD_CTX,0,(char *)mdcp)
 527 #define BIO_set_md_ctx(b,mdcp)     BIO_ctrl(b,BIO_C_SET_MD_CTX,0,(char *)mdcp)
 528 #define BIO_get_cipher_status(b)        BIO_ctrl(b,BIO_C_GET_CIPHER_STATUS,0,NULL)
 529 #define BIO_get_cipher_ctx(b,c_pp)      BIO_ctrl(b,BIO_C_GET_CIPHER_CTX,0,(char *)c_pp)
 530
 531 int EVP_Cipher(EVP_CIPHER_CTX *c, unsigned char *out, const unsigned char *in,
 532     unsigned int inl);
 533
 534 #define EVP_add_cipher_alias(n,alias) \
 535         OBJ_NAME_add((alias),OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS,(n))
 536 #define EVP_add_digest_alias(n,alias) \
 537         OBJ_NAME_add((alias),OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,(n))
 538 #define EVP_delete_cipher_alias(alias) \
 539         OBJ_NAME_remove(alias,OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS);
 540 #define EVP_delete_digest_alias(alias) \
 541         OBJ_NAME_remove(alias,OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS);
 542
 543 EVP_MD_CTX *EVP_MD_CTX_new(void);
 544 void EVP_MD_CTX_free(EVP_MD_CTX *ctx);
 545 void EVP_MD_CTX_init(EVP_MD_CTX *ctx);
 546 int EVP_MD_CTX_reset(EVP_MD_CTX *ctx);
 547 EVP_MD_CTX *EVP_MD_CTX_create(void);
 548 void EVP_MD_CTX_destroy(EVP_MD_CTX *ctx);
 549 int EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx);
 550 int EVP_MD_CTX_copy_ex(EVP_MD_CTX *out, const EVP_MD_CTX *in);
 551 void EVP_MD_CTX_set_flags(EVP_MD_CTX *ctx, int flags);
 552 void EVP_MD_CTX_clear_flags(EVP_MD_CTX *ctx, int flags);
 553 int EVP_MD_CTX_ctrl(EVP_MD_CTX *ctx, int type, int arg, void *ptr);
 554 int EVP_MD_CTX_test_flags(const EVP_MD_CTX *ctx, int flags);
 555
 556 int EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl);
 557 int EVP_DigestUpdate(EVP_MD_CTX *ctx, const void *d, size_t cnt);
 558 int EVP_DigestFinal_ex(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *s);
 559 int EVP_Digest(const void *data, size_t count, unsigned char *md,
 560     unsigned int *size, const EVP_MD *type, ENGINE *impl);
 561
 562 int EVP_MD_CTX_copy(EVP_MD_CTX *out, const EVP_MD_CTX *in);
 563 int EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type);
 564 int EVP_DigestFinal(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *s);
 565
 566 int EVP_read_pw_string(char *buf, int length, const char *prompt, int verify);
 567 int EVP_read_pw_string_min(char *buf, int minlen, int maxlen,
 568     const char *prompt, int verify);
 569 void EVP_set_pw_prompt(const char *prompt);
 570 char *EVP_get_pw_prompt(void);
 571
 572 int EVP_BytesToKey(const EVP_CIPHER *type, const EVP_MD *md,
 573     const unsigned char *salt, const unsigned char *data, int datal, int count,
 574     unsigned char *key, unsigned char *iv);
 575
 576 void EVP_CIPHER_CTX_set_flags(EVP_CIPHER_CTX *ctx, int flags);
 577 void EVP_CIPHER_CTX_clear_flags(EVP_CIPHER_CTX *ctx, int flags);
 578 int EVP_CIPHER_CTX_test_flags(const EVP_CIPHER_CTX *ctx, int flags);
 579
 580 int EVP_EncryptInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
 581     const unsigned char *key, const unsigned char *iv);
 582 int EVP_EncryptInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
 583     ENGINE *impl, const unsigned char *key, const unsigned char *iv);
 584 int EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl,
 585     const unsigned char *in, int inl);
 586 int EVP_EncryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
 587 #ifndef LIBRESSL_INTERNAL
 588 int EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
 589 #endif
 590
 591 int EVP_DecryptInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
 592     const unsigned char *key, const unsigned char *iv);
 593 int EVP_DecryptInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
 594     ENGINE *impl, const unsigned char *key, const unsigned char *iv);
 595 int EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl,
 596     const unsigned char *in, int inl);
 597 int EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
 598 #ifndef LIBRESSL_INTERNAL
 599 int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
 600 #endif
 601
 602 int EVP_CipherInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
 603     const unsigned char *key, const unsigned char *iv, int enc);
 604 int EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
 605     ENGINE *impl, const unsigned char *key, const unsigned char *iv, int enc);
 606 int EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl,
 607     const unsigned char *in, int inl);
 608 int EVP_CipherFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
 609 #ifndef LIBRESSL_INTERNAL
 610 int EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
 611 #endif
 612
 613 int EVP_SignFinal(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *s,
 614     EVP_PKEY *pkey);
 615
 616 int EVP_VerifyFinal(EVP_MD_CTX *ctx, const unsigned char *sigbuf,
 617     unsigned int siglen, EVP_PKEY *pkey);
 618
 619 int EVP_DigestSignInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,
 620     const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey);
 621 int EVP_DigestSignFinal(EVP_MD_CTX *ctx, unsigned char *sigret, size_t *siglen);
 622
 623 int EVP_DigestVerifyInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,
 624     const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey);
 625 int EVP_DigestVerifyFinal(EVP_MD_CTX *ctx, const unsigned char *sig,
 626     size_t siglen);
 627
 628 int EVP_OpenInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,
 629     const unsigned char *ek, int ekl, const unsigned char *iv, EVP_PKEY *priv);
 630 int EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
 631
 632 int EVP_SealInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,
 633     unsigned char **ek, int *ekl, unsigned char *iv, EVP_PKEY **pubk,
 634     int npubk);
 635 int EVP_SealFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
 636
 637 void EVP_EncodeInit(EVP_ENCODE_CTX *ctx);
 638 int EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
 639     const unsigned char *in, int inl);
 640 void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl);
 641 int EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int n);
 642
 643 void EVP_DecodeInit(EVP_ENCODE_CTX *ctx);
 644 int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
 645     const unsigned char *in, int inl);
 646 int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl);
 647 int EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n);
 648
 649 void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *a);
 650 int EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *a);
 651 EVP_CIPHER_CTX *EVP_CIPHER_CTX_new(void);
 652 void EVP_CIPHER_CTX_free(EVP_CIPHER_CTX *a);
 653 int EVP_CIPHER_CTX_reset(EVP_CIPHER_CTX *a);
 654 int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *x, int keylen);
 655 int EVP_CIPHER_CTX_set_padding(EVP_CIPHER_CTX *c, int pad);
 656 int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr);
 657 int EVP_CIPHER_CTX_rand_key(EVP_CIPHER_CTX *ctx, unsigned char *key);
 658
 659 #ifndef OPENSSL_NO_BIO
 660 const BIO_METHOD *BIO_f_md(void);
 661 const BIO_METHOD *BIO_f_base64(void);
 662 const BIO_METHOD *BIO_f_cipher(void);
 663 int BIO_set_cipher(BIO *b, const EVP_CIPHER *c, const unsigned char *k,
 664     const unsigned char *i, int enc);
 665 #endif
 666
 667 const EVP_MD *EVP_md_null(void);
 668 #ifndef OPENSSL_NO_MD4
 669 const EVP_MD *EVP_md4(void);
 670 #endif
 671 #ifndef OPENSSL_NO_MD5
 672 const EVP_MD *EVP_md5(void);
 673 const EVP_MD *EVP_md5_sha1(void);
 674 #endif
 675 #ifndef OPENSSL_NO_SHA
 676 const EVP_MD *EVP_sha1(void);
 677 const EVP_MD *EVP_dss(void);
 678 const EVP_MD *EVP_dss1(void);
 679 const EVP_MD *EVP_ecdsa(void);
 680 #endif
 681 #ifndef OPENSSL_NO_SHA256
 682 const EVP_MD *EVP_sha224(void);
 683 const EVP_MD *EVP_sha256(void);
 684 #endif
 685 #ifndef OPENSSL_NO_SHA512
 686 const EVP_MD *EVP_sha384(void);
 687 const EVP_MD *EVP_sha512(void);
 688 #endif
 689 #ifndef OPENSSL_NO_RIPEMD
 690 const EVP_MD *EVP_ripemd160(void);
 691 #endif
 692 #ifndef OPENSSL_NO_WHIRLPOOL
 693 const EVP_MD *EVP_whirlpool(void);
 694 #endif
 695 #ifndef OPENSSL_NO_GOST
 696 const EVP_MD *EVP_gostr341194(void);
 697 const EVP_MD *EVP_gost2814789imit(void);
 698 const EVP_MD *EVP_streebog256(void);
 699 const EVP_MD *EVP_streebog512(void);
 700 #endif
 701 const EVP_CIPHER *EVP_enc_null(void);           /* does nothing :-) */
 702 #ifndef OPENSSL_NO_DES
 703 const EVP_CIPHER *EVP_des_ecb(void);
 704 const EVP_CIPHER *EVP_des_ede(void);
 705 const EVP_CIPHER *EVP_des_ede3(void);
 706 const EVP_CIPHER *EVP_des_ede_ecb(void);
 707 const EVP_CIPHER *EVP_des_ede3_ecb(void);
 708 const EVP_CIPHER *EVP_des_cfb64(void);
 709 # define EVP_des_cfb EVP_des_cfb64
 710 const EVP_CIPHER *EVP_des_cfb1(void);
 711 const EVP_CIPHER *EVP_des_cfb8(void);
 712 const EVP_CIPHER *EVP_des_ede_cfb64(void);
 713 # define EVP_des_ede_cfb EVP_des_ede_cfb64
 714 const EVP_CIPHER *EVP_des_ede3_cfb64(void);
 715 # define EVP_des_ede3_cfb EVP_des_ede3_cfb64
 716 const EVP_CIPHER *EVP_des_ede3_cfb1(void);
 717 const EVP_CIPHER *EVP_des_ede3_cfb8(void);
 718 const EVP_CIPHER *EVP_des_ofb(void);
 719 const EVP_CIPHER *EVP_des_ede_ofb(void);
 720 const EVP_CIPHER *EVP_des_ede3_ofb(void);
 721 const EVP_CIPHER *EVP_des_cbc(void);
 722 const EVP_CIPHER *EVP_des_ede_cbc(void);
 723 const EVP_CIPHER *EVP_des_ede3_cbc(void);
 724 const EVP_CIPHER *EVP_desx_cbc(void);
 725 #endif
 726 #ifndef OPENSSL_NO_RC4
 727 const EVP_CIPHER *EVP_rc4(void);
 728 const EVP_CIPHER *EVP_rc4_40(void);
 729 #ifndef OPENSSL_NO_MD5
 730 const EVP_CIPHER *EVP_rc4_hmac_md5(void);
 731 #endif
 732 #endif
 733 #ifndef OPENSSL_NO_IDEA
 734 const EVP_CIPHER *EVP_idea_ecb(void);
 735 const EVP_CIPHER *EVP_idea_cfb64(void);
 736 # define EVP_idea_cfb EVP_idea_cfb64
 737 const EVP_CIPHER *EVP_idea_ofb(void);
 738 const EVP_CIPHER *EVP_idea_cbc(void);
 739 #endif
 740 #ifndef OPENSSL_NO_RC2
 741 const EVP_CIPHER *EVP_rc2_ecb(void);
 742 const EVP_CIPHER *EVP_rc2_cbc(void);
 743 const EVP_CIPHER *EVP_rc2_40_cbc(void);
 744 const EVP_CIPHER *EVP_rc2_64_cbc(void);
 745 const EVP_CIPHER *EVP_rc2_cfb64(void);
 746 # define EVP_rc2_cfb EVP_rc2_cfb64
 747 const EVP_CIPHER *EVP_rc2_ofb(void);
 748 #endif
 749 #ifndef OPENSSL_NO_BF
 750 const EVP_CIPHER *EVP_bf_ecb(void);
 751 const EVP_CIPHER *EVP_bf_cbc(void);
 752 const EVP_CIPHER *EVP_bf_cfb64(void);
 753 # define EVP_bf_cfb EVP_bf_cfb64
 754 const EVP_CIPHER *EVP_bf_ofb(void);
 755 #endif
 756 #ifndef OPENSSL_NO_CAST
 757 const EVP_CIPHER *EVP_cast5_ecb(void);
 758 const EVP_CIPHER *EVP_cast5_cbc(void);
 759 const EVP_CIPHER *EVP_cast5_cfb64(void);
 760 # define EVP_cast5_cfb EVP_cast5_cfb64
 761 const EVP_CIPHER *EVP_cast5_ofb(void);
 762 #endif
 763 #ifndef OPENSSL_NO_AES
 764 const EVP_CIPHER *EVP_aes_128_ecb(void);
 765 const EVP_CIPHER *EVP_aes_128_cbc(void);
 766 const EVP_CIPHER *EVP_aes_128_cfb1(void);
 767 const EVP_CIPHER *EVP_aes_128_cfb8(void);
 768 const EVP_CIPHER *EVP_aes_128_cfb128(void);
 769 # define EVP_aes_128_cfb EVP_aes_128_cfb128
 770 const EVP_CIPHER *EVP_aes_128_ofb(void);
 771 const EVP_CIPHER *EVP_aes_128_ctr(void);
 772 const EVP_CIPHER *EVP_aes_128_ccm(void);
 773 const EVP_CIPHER *EVP_aes_128_gcm(void);
 774 const EVP_CIPHER *EVP_aes_128_xts(void);
 775 const EVP_CIPHER *EVP_aes_192_ecb(void);
 776 const EVP_CIPHER *EVP_aes_192_cbc(void);
 777 const EVP_CIPHER *EVP_aes_192_cfb1(void);
 778 const EVP_CIPHER *EVP_aes_192_cfb8(void);
 779 const EVP_CIPHER *EVP_aes_192_cfb128(void);
 780 # define EVP_aes_192_cfb EVP_aes_192_cfb128
 781 const EVP_CIPHER *EVP_aes_192_ofb(void);
 782 const EVP_CIPHER *EVP_aes_192_ctr(void);
 783 const EVP_CIPHER *EVP_aes_192_ccm(void);
 784 const EVP_CIPHER *EVP_aes_192_gcm(void);
 785 const EVP_CIPHER *EVP_aes_256_ecb(void);
 786 const EVP_CIPHER *EVP_aes_256_cbc(void);
 787 const EVP_CIPHER *EVP_aes_256_cfb1(void);
 788 const EVP_CIPHER *EVP_aes_256_cfb8(void);
 789 const EVP_CIPHER *EVP_aes_256_cfb128(void);
 790 # define EVP_aes_256_cfb EVP_aes_256_cfb128
 791 const EVP_CIPHER *EVP_aes_256_ofb(void);
 792 const EVP_CIPHER *EVP_aes_256_ctr(void);
 793 const EVP_CIPHER *EVP_aes_256_ccm(void);
 794 const EVP_CIPHER *EVP_aes_256_gcm(void);
 795 const EVP_CIPHER *EVP_aes_256_xts(void);
 796 #if !defined(OPENSSL_NO_SHA) && !defined(OPENSSL_NO_SHA1)
 797 const EVP_CIPHER *EVP_aes_128_cbc_hmac_sha1(void);
 798 const EVP_CIPHER *EVP_aes_256_cbc_hmac_sha1(void);
 799 #endif
 800 #endif
 801 #ifndef OPENSSL_NO_CAMELLIA
 802 const EVP_CIPHER *EVP_camellia_128_ecb(void);
 803 const EVP_CIPHER *EVP_camellia_128_cbc(void);
 804 const EVP_CIPHER *EVP_camellia_128_cfb1(void);
 805 const EVP_CIPHER *EVP_camellia_128_cfb8(void);
 806 const EVP_CIPHER *EVP_camellia_128_cfb128(void);
 807 # define EVP_camellia_128_cfb EVP_camellia_128_cfb128
 808 const EVP_CIPHER *EVP_camellia_128_ofb(void);
 809 const EVP_CIPHER *EVP_camellia_192_ecb(void);
 810 const EVP_CIPHER *EVP_camellia_192_cbc(void);
 811 const EVP_CIPHER *EVP_camellia_192_cfb1(void);
 812 const EVP_CIPHER *EVP_camellia_192_cfb8(void);
 813 const EVP_CIPHER *EVP_camellia_192_cfb128(void);
 814 # define EVP_camellia_192_cfb EVP_camellia_192_cfb128
 815 const EVP_CIPHER *EVP_camellia_192_ofb(void);
 816 const EVP_CIPHER *EVP_camellia_256_ecb(void);
 817 const EVP_CIPHER *EVP_camellia_256_cbc(void);
 818 const EVP_CIPHER *EVP_camellia_256_cfb1(void);
 819 const EVP_CIPHER *EVP_camellia_256_cfb8(void);
 820 const EVP_CIPHER *EVP_camellia_256_cfb128(void);
 821 # define EVP_camellia_256_cfb EVP_camellia_256_cfb128
 822 const EVP_CIPHER *EVP_camellia_256_ofb(void);
 823 #endif
 824
 825 #ifndef OPENSSL_NO_CHACHA
 826 const EVP_CIPHER *EVP_chacha20(void);
 827 #endif
 828
 829 #ifndef OPENSSL_NO_GOST
 830 const EVP_CIPHER *EVP_gost2814789_ecb(void);
 831 const EVP_CIPHER *EVP_gost2814789_cfb64(void);
 832 const EVP_CIPHER *EVP_gost2814789_cnt(void);
 833 #endif
 834
 835 void OPENSSL_add_all_algorithms_noconf(void);
 836 void OPENSSL_add_all_algorithms_conf(void);
 837
 838 #ifdef OPENSSL_LOAD_CONF
 839 #define OpenSSL_add_all_algorithms() OPENSSL_add_all_algorithms_conf()
 840 #else
 841 #define OpenSSL_add_all_algorithms() OPENSSL_add_all_algorithms_noconf()
 842 #endif
 843
 844 void OpenSSL_add_all_ciphers(void);
 845 void OpenSSL_add_all_digests(void);
 846
 847 #define SSLeay_add_all_algorithms() OpenSSL_add_all_algorithms()
 848 #define SSLeay_add_all_ciphers() OpenSSL_add_all_ciphers()
 849 #define SSLeay_add_all_digests() OpenSSL_add_all_digests()
 850
 851 int EVP_add_cipher(const EVP_CIPHER *cipher);
 852 int EVP_add_digest(const EVP_MD *digest);
 853
 854 const EVP_CIPHER *EVP_get_cipherbyname(const char *name);
 855 const EVP_MD *EVP_get_digestbyname(const char *name);
 856 void EVP_cleanup(void);
 857
 858 void EVP_CIPHER_do_all(void (*fn)(const EVP_CIPHER *ciph, const char *from,
 859     const char *to, void *x), void *arg);
 860 void EVP_CIPHER_do_all_sorted(void (*fn)(const EVP_CIPHER *ciph,
 861     const char *from, const char *to, void *x), void *arg);
 862
 863 void EVP_MD_do_all(void (*fn)(const EVP_MD *ciph, const char *from,
 864     const char *to, void *x), void *arg);
 865 void EVP_MD_do_all_sorted(void (*fn)(const EVP_MD *ciph, const char *from,
 866     const char *to, void *x), void *arg);
 867
 868 int EVP_PKEY_decrypt_old(unsigned char *dec_key, const unsigned char *enc_key,
 869     int enc_key_len, EVP_PKEY *private_key);
 870 int EVP_PKEY_encrypt_old(unsigned char *enc_key, const unsigned char *key,
 871     int key_len, EVP_PKEY *pub_key);
 872 int EVP_PKEY_type(int type);
 873 int EVP_PKEY_id(const EVP_PKEY *pkey);
 874 int EVP_PKEY_base_id(const EVP_PKEY *pkey);
 875 int EVP_PKEY_bits(const EVP_PKEY *pkey);
 876 int EVP_PKEY_size(const EVP_PKEY *pkey);
 877 int EVP_PKEY_set_type(EVP_PKEY *pkey, int type);
 878 int EVP_PKEY_set_type_str(EVP_PKEY *pkey, const char *str, int len);
 879 int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key);
 880 void *EVP_PKEY_get0(const EVP_PKEY *pkey);
 881
 882 #ifndef OPENSSL_NO_RSA
 883 struct rsa_st;
 884 struct rsa_st *EVP_PKEY_get0_RSA(EVP_PKEY *pkey);
 885 struct rsa_st *EVP_PKEY_get1_RSA(EVP_PKEY *pkey);
 886 int EVP_PKEY_set1_RSA(EVP_PKEY *pkey, struct rsa_st *key);
 887 #endif
 888 #ifndef OPENSSL_NO_DSA
 889 struct dsa_st;
 890 struct dsa_st *EVP_PKEY_get0_DSA(EVP_PKEY *pkey);
 891 struct dsa_st *EVP_PKEY_get1_DSA(EVP_PKEY *pkey);
 892 int EVP_PKEY_set1_DSA(EVP_PKEY *pkey, struct dsa_st *key);
 893 #endif
 894 #ifndef OPENSSL_NO_DH
 895 struct dh_st;
 896 struct dh_st *EVP_PKEY_get0_DH(EVP_PKEY *pkey);
 897 struct dh_st *EVP_PKEY_get1_DH(EVP_PKEY *pkey);
 898 int EVP_PKEY_set1_DH(EVP_PKEY *pkey, struct dh_st *key);
 899 #endif
 900 #ifndef OPENSSL_NO_EC
 901 struct ec_key_st;
 902 struct ec_key_st *EVP_PKEY_get0_EC_KEY(EVP_PKEY *pkey);
 903 struct ec_key_st *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey);
 904 int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey, struct ec_key_st *key);
 905 #endif
 906 #ifndef OPENSSL_NO_GOST
 907 struct gost_key_st;
 908 #endif
 909
 910 EVP_PKEY *EVP_PKEY_new(void);
 911 void EVP_PKEY_free(EVP_PKEY *pkey);
 912 int EVP_PKEY_up_ref(EVP_PKEY *pkey);
 913
 914 EVP_PKEY *d2i_PublicKey(int type, EVP_PKEY **a, const unsigned char **pp,
 915     long length);
 916 int i2d_PublicKey(EVP_PKEY *a, unsigned char **pp);
 917
 918 EVP_PKEY *d2i_PrivateKey(int type, EVP_PKEY **a, const unsigned char **pp,
 919     long length);
 920 EVP_PKEY *d2i_AutoPrivateKey(EVP_PKEY **a, const unsigned char **pp,
 921     long length);
 922 int i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp);
 923
 924 int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from);
 925 int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey);
 926 int EVP_PKEY_save_parameters(EVP_PKEY *pkey, int mode);
 927 int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b);
 928
 929 int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b);
 930
 931 int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey, int indent,
 932     ASN1_PCTX *pctx);
 933 int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey, int indent,
 934     ASN1_PCTX *pctx);
 935 int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey, int indent,
 936     ASN1_PCTX *pctx);
 937
 938 int EVP_PKEY_get_default_digest_nid(EVP_PKEY *pkey, int *pnid);
 939
 940 int EVP_CIPHER_type(const EVP_CIPHER *ctx);
 941
 942 /* calls methods */
 943 int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
 944 int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
 945
 946 /* These are used by EVP_CIPHER methods */
 947 int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
 948 int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
 949
 950 /* PKCS5 password based encryption */
 951 int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
 952     ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md, int en_de);
 953 int PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen,
 954     const unsigned char *salt, int saltlen, int iter, int keylen,
 955     unsigned char *out);
 956 int PKCS5_PBKDF2_HMAC(const char *pass, int passlen, const unsigned char *salt,
 957     int saltlen, int iter, const EVP_MD *digest, int keylen,
 958     unsigned char *out);
 959 int PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
 960     ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md,
 961     int en_de);
 962
 963 void PKCS5_PBE_add(void);
 964
 965 int EVP_PBE_CipherInit (ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
 966     ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de);
 967
 968 /* PBE type */
 969
 970 /* Can appear as the outermost AlgorithmIdentifier */
 971 #define EVP_PBE_TYPE_OUTER      0x0
 972 /* Is an PRF type OID */
 973 #define EVP_PBE_TYPE_PRF        0x1
 974
 975 int EVP_PBE_alg_add_type(int pbe_type, int pbe_nid, int cipher_nid, int md_nid,
 976     EVP_PBE_KEYGEN *keygen);
 977 int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md,
 978     EVP_PBE_KEYGEN *keygen);
 979 int EVP_PBE_find(int type, int pbe_nid, int *pcnid, int *pmnid,
 980     EVP_PBE_KEYGEN **pkeygen);
 981 void EVP_PBE_cleanup(void);
 982
 983 #define ASN1_PKEY_ALIAS         0x1
 984 #define ASN1_PKEY_DYNAMIC       0x2
 985 #define ASN1_PKEY_SIGPARAM_NULL 0x4
 986
 987 #define ASN1_PKEY_CTRL_PKCS7_SIGN       0x1
 988 #define ASN1_PKEY_CTRL_PKCS7_ENCRYPT    0x2
 989 #define ASN1_PKEY_CTRL_DEFAULT_MD_NID   0x3
 990 #define ASN1_PKEY_CTRL_CMS_SIGN         0x5
 991 #define ASN1_PKEY_CTRL_CMS_ENVELOPE     0x7
 992
 993 int EVP_PKEY_asn1_get_count(void);
 994 const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_get0(int idx);
 995 const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find(ENGINE **pe, int type);
 996 const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find_str(ENGINE **pe,
 997     const char *str, int len);
 998 int EVP_PKEY_asn1_add0(const EVP_PKEY_ASN1_METHOD *ameth);
 999 int EVP_PKEY_asn1_add_alias(int to, int from);
1000 int EVP_PKEY_asn1_get0_info(int *ppkey_id, int *pkey_base_id, int *ppkey_flags,
1001     const char **pinfo, const char **ppem_str,
1002     const EVP_PKEY_ASN1_METHOD *ameth);
1003
1004 const EVP_PKEY_ASN1_METHOD* EVP_PKEY_get0_asn1(const EVP_PKEY *pkey);
1005 EVP_PKEY_ASN1_METHOD* EVP_PKEY_asn1_new(int id, int flags, const char *pem_str,
1006     const char *info);
1007 void EVP_PKEY_asn1_copy(EVP_PKEY_ASN1_METHOD *dst,
1008     const EVP_PKEY_ASN1_METHOD *src);
1009 void EVP_PKEY_asn1_free(EVP_PKEY_ASN1_METHOD *ameth);
1010 void EVP_PKEY_asn1_set_public(EVP_PKEY_ASN1_METHOD *ameth,
1011     int (*pub_decode)(EVP_PKEY *pk, X509_PUBKEY *pub),
1012     int (*pub_encode)(X509_PUBKEY *pub, const EVP_PKEY *pk),
1013     int (*pub_cmp)(const EVP_PKEY *a, const EVP_PKEY *b),
1014     int (*pub_print)(BIO *out, const EVP_PKEY *pkey, int indent,
1015     ASN1_PCTX *pctx),
1016     int (*pkey_size)(const EVP_PKEY *pk),
1017     int (*pkey_bits)(const EVP_PKEY *pk));
1018 void EVP_PKEY_asn1_set_private(EVP_PKEY_ASN1_METHOD *ameth,
1019     int (*priv_decode)(EVP_PKEY *pk, const PKCS8_PRIV_KEY_INFO *p8inf),
1020     int (*priv_encode)(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pk),
1021     int (*priv_print)(BIO *out, const EVP_PKEY *pkey, int indent,
1022     ASN1_PCTX *pctx));
1023 void EVP_PKEY_asn1_set_param(EVP_PKEY_ASN1_METHOD *ameth,
1024     int (*param_decode)(EVP_PKEY *pkey, const unsigned char **pder, int derlen),
1025     int (*param_encode)(const EVP_PKEY *pkey, unsigned char **pder),
1026     int (*param_missing)(const EVP_PKEY *pk),
1027     int (*param_copy)(EVP_PKEY *to, const EVP_PKEY *from),
1028     int (*param_cmp)(const EVP_PKEY *a, const EVP_PKEY *b),
1029     int (*param_print)(BIO *out, const EVP_PKEY *pkey, int indent,
1030     ASN1_PCTX *pctx));
1031
1032 void EVP_PKEY_asn1_set_free(EVP_PKEY_ASN1_METHOD *ameth,
1033     void (*pkey_free)(EVP_PKEY *pkey));
1034 void EVP_PKEY_asn1_set_ctrl(EVP_PKEY_ASN1_METHOD *ameth,
1035     int (*pkey_ctrl)(EVP_PKEY *pkey, int op, long arg1, void *arg2));
1036
1037 #define EVP_PKEY_OP_UNDEFINED           0
1038 #define EVP_PKEY_OP_PARAMGEN            (1<<1)
1039 #define EVP_PKEY_OP_KEYGEN              (1<<2)
1040 #define EVP_PKEY_OP_SIGN                (1<<3)
1041 #define EVP_PKEY_OP_VERIFY              (1<<4)
1042 #define EVP_PKEY_OP_VERIFYRECOVER       (1<<5)
1043 #define EVP_PKEY_OP_SIGNCTX             (1<<6)
1044 #define EVP_PKEY_OP_VERIFYCTX           (1<<7)
1045 #define EVP_PKEY_OP_ENCRYPT             (1<<8)
1046 #define EVP_PKEY_OP_DECRYPT             (1<<9)
1047 #define EVP_PKEY_OP_DERIVE              (1<<10)
1048
1049 #define EVP_PKEY_OP_TYPE_SIG    \
1050         (EVP_PKEY_OP_SIGN | EVP_PKEY_OP_VERIFY | EVP_PKEY_OP_VERIFYRECOVER \
1051                 | EVP_PKEY_OP_SIGNCTX | EVP_PKEY_OP_VERIFYCTX)
1052
1053 #define EVP_PKEY_OP_TYPE_CRYPT \
1054         (EVP_PKEY_OP_ENCRYPT | EVP_PKEY_OP_DECRYPT)
1055
1056 #define EVP_PKEY_OP_TYPE_NOGEN \
1057         (EVP_PKEY_OP_SIG | EVP_PKEY_OP_CRYPT | EVP_PKEY_OP_DERIVE)
1058
1059 #define EVP_PKEY_OP_TYPE_GEN \
1060                 (EVP_PKEY_OP_PARAMGEN | EVP_PKEY_OP_KEYGEN)
1061
1062 #define  EVP_PKEY_CTX_set_signature_md(ctx, md) \
1063                 EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG,  \
1064                                         EVP_PKEY_CTRL_MD, 0, (void *)md)
1065
1066 #define EVP_PKEY_CTRL_MD                1
1067 #define EVP_PKEY_CTRL_PEER_KEY          2
1068
1069 #define EVP_PKEY_CTRL_PKCS7_ENCRYPT     3
1070 #define EVP_PKEY_CTRL_PKCS7_DECRYPT     4
1071
1072 #define EVP_PKEY_CTRL_PKCS7_SIGN        5
1073
1074 #define EVP_PKEY_CTRL_SET_MAC_KEY       6
1075
1076 #define EVP_PKEY_CTRL_DIGESTINIT        7
1077
1078 /* Used by GOST key encryption in TLS */
1079 #define EVP_PKEY_CTRL_SET_IV            8
1080
1081 #define EVP_PKEY_CTRL_CMS_ENCRYPT       9
1082 #define EVP_PKEY_CTRL_CMS_DECRYPT       10
1083 #define EVP_PKEY_CTRL_CMS_SIGN          11
1084
1085 #define EVP_PKEY_CTRL_CIPHER            12
1086
1087 #define EVP_PKEY_ALG_CTRL               0x1000
1088
1089
1090 #define EVP_PKEY_FLAG_AUTOARGLEN        2
1091 /* Method handles all operations: don't assume any digest related
1092  * defaults.
1093  */
1094 #define EVP_PKEY_FLAG_SIGCTX_CUSTOM     4
1095
1096 const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type);
1097 EVP_PKEY_METHOD* EVP_PKEY_meth_new(int id, int flags);
1098 void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags,
1099     const EVP_PKEY_METHOD *meth);
1100 void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src);
1101 void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth);
1102 int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth);
1103
1104 EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e);
1105 EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e);
1106 EVP_PKEY_CTX *EVP_PKEY_CTX_dup(EVP_PKEY_CTX *ctx);
1107 void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx);
1108
1109 int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype, int cmd,
1110     int p1, void *p2);
1111 int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx, const char *type,
1112     const char *value);
1113
1114 int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx);
1115 void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen);
1116
1117 EVP_PKEY *EVP_PKEY_new_mac_key(int type, ENGINE *e, const unsigned char *key,
1118     int keylen);
1119
1120 void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data);
1121 void *EVP_PKEY_CTX_get_data(EVP_PKEY_CTX *ctx);
1122 EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx);
1123
1124 EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx);
1125
1126 void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data);
1127 void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx);
1128
1129 int EVP_PKEY_sign_init(EVP_PKEY_CTX *ctx);
1130 int EVP_PKEY_sign(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
1131     const unsigned char *tbs, size_t tbslen);
1132 int EVP_PKEY_verify_init(EVP_PKEY_CTX *ctx);
1133 int EVP_PKEY_verify(EVP_PKEY_CTX *ctx, const unsigned char *sig, size_t siglen,
1134     const unsigned char *tbs, size_t tbslen);
1135 int EVP_PKEY_verify_recover_init(EVP_PKEY_CTX *ctx);
1136 int EVP_PKEY_verify_recover(EVP_PKEY_CTX *ctx, unsigned char *rout,
1137     size_t *routlen, const unsigned char *sig, size_t siglen);
1138 int EVP_PKEY_encrypt_init(EVP_PKEY_CTX *ctx);
1139 int EVP_PKEY_encrypt(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
1140     const unsigned char *in, size_t inlen);
1141 int EVP_PKEY_decrypt_init(EVP_PKEY_CTX *ctx);
1142 int EVP_PKEY_decrypt(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
1143     const unsigned char *in, size_t inlen);
1144
1145 int EVP_PKEY_derive_init(EVP_PKEY_CTX *ctx);
1146 int EVP_PKEY_derive_set_peer(EVP_PKEY_CTX *ctx, EVP_PKEY *peer);
1147 int EVP_PKEY_derive(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen);
1148
1149 typedef int EVP_PKEY_gen_cb(EVP_PKEY_CTX *ctx);
1150
1151 int EVP_PKEY_paramgen_init(EVP_PKEY_CTX *ctx);
1152 int EVP_PKEY_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey);
1153 int EVP_PKEY_keygen_init(EVP_PKEY_CTX *ctx);
1154 int EVP_PKEY_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey);
1155
1156 void EVP_PKEY_CTX_set_cb(EVP_PKEY_CTX *ctx, EVP_PKEY_gen_cb *cb);
1157 EVP_PKEY_gen_cb *EVP_PKEY_CTX_get_cb(EVP_PKEY_CTX *ctx);
1158
1159 int EVP_PKEY_CTX_get_keygen_info(EVP_PKEY_CTX *ctx, int idx);
1160
1161 void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
1162     int (*init)(EVP_PKEY_CTX *ctx));
1163
1164 void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth,
1165     int (*copy)(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src));
1166
1167 void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
1168     void (*cleanup)(EVP_PKEY_CTX *ctx));
1169
1170 void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth,
1171     int (*paramgen_init)(EVP_PKEY_CTX *ctx),
1172     int (*paramgen)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey));
1173
1174 void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth,
1175     int (*keygen_init)(EVP_PKEY_CTX *ctx),
1176     int (*keygen)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey));
1177
1178 void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth,
1179     int (*sign_init)(EVP_PKEY_CTX *ctx),
1180     int (*sign)(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
1181     const unsigned char *tbs, size_t tbslen));
1182
1183 void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth,
1184     int (*verify_init)(EVP_PKEY_CTX *ctx),
1185     int (*verify)(EVP_PKEY_CTX *ctx, const unsigned char *sig, size_t siglen,
1186     const unsigned char *tbs, size_t tbslen));
1187
1188 void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth,
1189     int (*verify_recover_init)(EVP_PKEY_CTX *ctx),
1190     int (*verify_recover)(EVP_PKEY_CTX *ctx, unsigned char *sig,
1191     size_t *siglen, const unsigned char *tbs, size_t tbslen));
1192
1193 void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth,
1194     int (*signctx_init)(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx),
1195     int (*signctx)(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
1196     EVP_MD_CTX *mctx));
1197
1198 void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth,
1199     int (*verifyctx_init)(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx),
1200     int (*verifyctx)(EVP_PKEY_CTX *ctx, const unsigned char *sig, int siglen,
1201     EVP_MD_CTX *mctx));
1202
1203 void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth,
1204     int (*encrypt_init)(EVP_PKEY_CTX *ctx),
1205     int (*encryptfn)(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
1206     const unsigned char *in, size_t inlen));
1207
1208 void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth,
1209     int (*decrypt_init)(EVP_PKEY_CTX *ctx),
1210     int (*decrypt)(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
1211     const unsigned char *in, size_t inlen));
1212
1213 void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth,
1214     int (*derive_init)(EVP_PKEY_CTX *ctx),
1215     int (*derive)(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen));
1216
1217 void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
1218     int (*ctrl)(EVP_PKEY_CTX *ctx, int type, int p1, void *p2),
1219     int (*ctrl_str)(EVP_PKEY_CTX *ctx, const char *type, const char *value));
1220
1221 /* Authenticated Encryption with Additional Data.
1222  *
1223  * AEAD couples confidentiality and integrity in a single primtive. AEAD
1224  * algorithms take a key and then can seal and open individual messages. Each
1225  * message has a unique, per-message nonce and, optionally, additional data
1226  * which is authenticated but not included in the output. */
1227
1228 struct evp_aead_st;
1229 typedef struct evp_aead_st EVP_AEAD;
1230
1231 #ifndef OPENSSL_NO_AES
1232 /* EVP_aes_128_gcm is AES-128 in Galois Counter Mode. */
1233 const EVP_AEAD *EVP_aead_aes_128_gcm(void);
1234 /* EVP_aes_256_gcm is AES-256 in Galois Counter Mode. */
1235 const EVP_AEAD *EVP_aead_aes_256_gcm(void);
1236 #endif
1237
1238 #if !defined(OPENSSL_NO_CHACHA) && !defined(OPENSSL_NO_POLY1305)
1239 /* EVP_aead_chacha20_poly1305 is ChaCha20 with a Poly1305 authenticator. */
1240 const EVP_AEAD *EVP_aead_chacha20_poly1305(void);
1241 #endif
1242
1243 /* EVP_AEAD_key_length returns the length of the keys used. */
1244 size_t EVP_AEAD_key_length(const EVP_AEAD *aead);
1245
1246 /* EVP_AEAD_nonce_length returns the length of the per-message nonce. */
1247 size_t EVP_AEAD_nonce_length(const EVP_AEAD *aead);
1248
1249 /* EVP_AEAD_max_overhead returns the maximum number of additional bytes added
1250  * by the act of sealing data with the AEAD. */
1251 size_t EVP_AEAD_max_overhead(const EVP_AEAD *aead);
1252
1253 /* EVP_AEAD_max_tag_len returns the maximum tag length when using this AEAD.
1254  * This * is the largest value that can be passed as a tag length to
1255  * EVP_AEAD_CTX_init. */
1256 size_t EVP_AEAD_max_tag_len(const EVP_AEAD *aead);
1257
1258 /* An EVP_AEAD_CTX represents an AEAD algorithm configured with a specific key
1259  * and message-independent IV. */
1260 typedef struct evp_aead_ctx_st {
1261         const EVP_AEAD *aead;
1262         /* aead_state is an opaque pointer to the AEAD specific state. */
1263         void *aead_state;
1264 } EVP_AEAD_CTX;
1265
1266 /* EVP_AEAD_MAX_TAG_LENGTH is the maximum tag length used by any AEAD
1267  * defined in this header. */
1268 #define EVP_AEAD_MAX_TAG_LENGTH 16
1269
1270 /* EVP_AEAD_DEFAULT_TAG_LENGTH is a magic value that can be passed to
1271  * EVP_AEAD_CTX_init to indicate that the default tag length for an AEAD
1272  * should be used. */
1273 #define EVP_AEAD_DEFAULT_TAG_LENGTH 0
1274
1275 /* EVP_AEAD_init initializes the context for the given AEAD algorithm.
1276  * The implementation argument may be NULL to choose the default implementation.
1277  * Authentication tags may be truncated by passing a tag length. A tag length
1278  * of zero indicates the default tag length should be used. */
1279 int EVP_AEAD_CTX_init(EVP_AEAD_CTX *ctx, const EVP_AEAD *aead,
1280     const unsigned char *key, size_t key_len, size_t tag_len, ENGINE *impl);
1281
1282 /* EVP_AEAD_CTX_cleanup frees any data allocated for this context. */
1283 void EVP_AEAD_CTX_cleanup(EVP_AEAD_CTX *ctx);
1284
1285 /* EVP_AEAD_CTX_seal encrypts and authenticates the input and authenticates
1286  * any additional data (AD), the result being written as output. One is
1287  * returned on success, otherwise zero.
1288  *
1289  * This function may be called (with the same EVP_AEAD_CTX) concurrently with
1290  * itself or EVP_AEAD_CTX_open.
1291  *
1292  * At most max_out_len bytes are written as output and, in order to ensure
1293  * success, this value should be the length of the input plus the result of
1294  * EVP_AEAD_overhead. On successful return, out_len is set to the actual
1295  * number of bytes written.
1296  *
1297  * The length of the nonce is must be equal to the result of
1298  * EVP_AEAD_nonce_length for this AEAD.
1299  *
1300  * EVP_AEAD_CTX_seal never results in a partial output. If max_out_len is
1301  * insufficient, zero will be returned and out_len will be set to zero.
1302  *
1303  * If the input and output are aliased then out must be <= in. */
1304 int EVP_AEAD_CTX_seal(const EVP_AEAD_CTX *ctx, unsigned char *out,
1305     size_t *out_len, size_t max_out_len, const unsigned char *nonce,
1306     size_t nonce_len, const unsigned char *in, size_t in_len,
1307     const unsigned char *ad, size_t ad_len);
1308
1309 /* EVP_AEAD_CTX_open authenticates the input and additional data, decrypting
1310  * the input and writing it as output. One is returned on success, otherwise
1311  * zero.
1312  *
1313  * This function may be called (with the same EVP_AEAD_CTX) concurrently with
1314  * itself or EVP_AEAD_CTX_seal.
1315  *
1316  * At most the number of input bytes are written as output. In order to ensure
1317  * success, max_out_len should be at least the same as the input length. On
1318  * successful return out_len is set to the actual number of bytes written.
1319  *
1320  * The length of nonce must be equal to the result of EVP_AEAD_nonce_length
1321  * for this AEAD.
1322  *
1323  * EVP_AEAD_CTX_open never results in a partial output. If max_out_len is
1324  * insufficient, zero will be returned and out_len will be set to zero.
1325  *
1326  * If the input and output are aliased then out must be <= in. */
1327 int EVP_AEAD_CTX_open(const EVP_AEAD_CTX *ctx, unsigned char *out,
1328     size_t *out_len, size_t max_out_len, const unsigned char *nonce,
1329     size_t nonce_len, const unsigned char *in, size_t in_len,
1330     const unsigned char *ad, size_t ad_len);
1331
1332 void EVP_add_alg_module(void);
1333
1334 /* BEGIN ERROR CODES */
1335 /* The following lines are auto generated by the script mkerr.pl. Any changes
1336  * made after this point may be overwritten when the script is next run.
1337  */
1338 void ERR_load_EVP_strings(void);
1339
1340 /* Error codes for the EVP functions. */
1341
1342 /* Function codes. */
1343 #define EVP_F_AEAD_AES_GCM_INIT                          187
1344 #define EVP_F_AEAD_AES_GCM_OPEN                          188
1345 #define EVP_F_AEAD_AES_GCM_SEAL                          189
1346 #define EVP_F_AEAD_CHACHA20_POLY1305_INIT                192
1347 #define EVP_F_AEAD_CHACHA20_POLY1305_OPEN                193
1348 #define EVP_F_AEAD_CHACHA20_POLY1305_SEAL                194
1349 #define EVP_F_AEAD_CTX_OPEN                              185
1350 #define EVP_F_AEAD_CTX_SEAL                              186
1351 #define EVP_F_AESNI_INIT_KEY                             165
1352 #define EVP_F_AESNI_XTS_CIPHER                           176
1353 #define EVP_F_AES_INIT_KEY                               133
1354 #define EVP_F_AES_XTS                                    172
1355 #define EVP_F_AES_XTS_CIPHER                             175
1356 #define EVP_F_ALG_MODULE_INIT                            177
1357 #define EVP_F_CAMELLIA_INIT_KEY                          159
1358 #define EVP_F_CMAC_INIT                                  173
1359 #define EVP_F_D2I_PKEY                                   100
1360 #define EVP_F_DO_SIGVER_INIT                             161
1361 #define EVP_F_DSAPKEY2PKCS8                              134
1362 #define EVP_F_DSA_PKEY2PKCS8                             135
1363 #define EVP_F_ECDSA_PKEY2PKCS8                           129
1364 #define EVP_F_ECKEY_PKEY2PKCS8                           132
1365 #define EVP_F_EVP_AEAD_CTX_INIT                          180
1366 #define EVP_F_EVP_AEAD_CTX_OPEN                          190
1367 #define EVP_F_EVP_AEAD_CTX_SEAL                          191
1368 #define EVP_F_EVP_BYTESTOKEY                             200
1369 #define EVP_F_EVP_CIPHERINIT_EX                          123
1370 #define EVP_F_EVP_CIPHER_CTX_COPY                        163
1371 #define EVP_F_EVP_CIPHER_CTX_CTRL                        124
1372 #define EVP_F_EVP_CIPHER_CTX_SET_KEY_LENGTH              122
1373 #define EVP_F_EVP_CIPHER_GET_ASN1_IV                     201
1374 #define EVP_F_EVP_CIPHER_SET_ASN1_IV                     202
1375 #define EVP_F_EVP_DECRYPTFINAL_EX                        101
1376 #define EVP_F_EVP_DECRYPTUPDATE                          199
1377 #define EVP_F_EVP_DIGESTFINAL_EX                         196
1378 #define EVP_F_EVP_DIGESTINIT_EX                          128
1379 #define EVP_F_EVP_ENCRYPTFINAL_EX                        127
1380 #define EVP_F_EVP_ENCRYPTUPDATE                          198
1381 #define EVP_F_EVP_MD_CTX_COPY_EX                         110
1382 #define EVP_F_EVP_MD_CTX_CTRL                            195
1383 #define EVP_F_EVP_MD_SIZE                                162
1384 #define EVP_F_EVP_OPENINIT                               102
1385 #define EVP_F_EVP_PBE_ALG_ADD                            115
1386 #define EVP_F_EVP_PBE_ALG_ADD_TYPE                       160
1387 #define EVP_F_EVP_PBE_CIPHERINIT                         116
1388 #define EVP_F_EVP_PKCS82PKEY                             111
1389 #define EVP_F_EVP_PKCS82PKEY_BROKEN                      136
1390 #define EVP_F_EVP_PKEY2PKCS8_BROKEN                      113
1391 #define EVP_F_EVP_PKEY_COPY_PARAMETERS                   103
1392 #define EVP_F_EVP_PKEY_CTX_CTRL                          137
1393 #define EVP_F_EVP_PKEY_CTX_CTRL_STR                      150
1394 #define EVP_F_EVP_PKEY_CTX_DUP                           156
1395 #define EVP_F_EVP_PKEY_DECRYPT                           104
1396 #define EVP_F_EVP_PKEY_DECRYPT_INIT                      138
1397 #define EVP_F_EVP_PKEY_DECRYPT_OLD                       151
1398 #define EVP_F_EVP_PKEY_DERIVE                            153
1399 #define EVP_F_EVP_PKEY_DERIVE_INIT                       154
1400 #define EVP_F_EVP_PKEY_DERIVE_SET_PEER                   155
1401 #define EVP_F_EVP_PKEY_ENCRYPT                           105
1402 #define EVP_F_EVP_PKEY_ENCRYPT_INIT                      139
1403 #define EVP_F_EVP_PKEY_ENCRYPT_OLD                       152
1404 #define EVP_F_EVP_PKEY_GET1_DH                           119
1405 #define EVP_F_EVP_PKEY_GET1_DSA                          120
1406 #define EVP_F_EVP_PKEY_GET1_ECDSA                        130
1407 #define EVP_F_EVP_PKEY_GET1_EC_KEY                       131
1408 #define EVP_F_EVP_PKEY_GET1_RSA                          121
1409 #define EVP_F_EVP_PKEY_KEYGEN                            146
1410 #define EVP_F_EVP_PKEY_KEYGEN_INIT                       147
1411 #define EVP_F_EVP_PKEY_NEW                               106
1412 #define EVP_F_EVP_PKEY_PARAMGEN                          148
1413 #define EVP_F_EVP_PKEY_PARAMGEN_INIT                     149
1414 #define EVP_F_EVP_PKEY_SIGN                              140
1415 #define EVP_F_EVP_PKEY_SIGN_INIT                         141
1416 #define EVP_F_EVP_PKEY_VERIFY                            142
1417 #define EVP_F_EVP_PKEY_VERIFY_INIT                       143
1418 #define EVP_F_EVP_PKEY_VERIFY_RECOVER                    144
1419 #define EVP_F_EVP_PKEY_VERIFY_RECOVER_INIT               145
1420 #define EVP_F_EVP_RIJNDAEL                               126
1421 #define EVP_F_EVP_SIGNFINAL                              107
1422 #define EVP_F_EVP_VERIFYFINAL                            108
1423 #define EVP_F_FIPS_CIPHERINIT                            166
1424 #define EVP_F_FIPS_CIPHER_CTX_COPY                       170
1425 #define EVP_F_FIPS_CIPHER_CTX_CTRL                       167
1426 #define EVP_F_FIPS_CIPHER_CTX_SET_KEY_LENGTH             171
1427 #define EVP_F_FIPS_DIGESTINIT                            168
1428 #define EVP_F_FIPS_MD_CTX_COPY                           169
1429 #define EVP_F_HMAC_INIT_EX                               174
1430 #define EVP_F_INT_CTX_NEW                                157
1431 #define EVP_F_PKCS5_PBE_KEYIVGEN                         117
1432 #define EVP_F_PKCS5_V2_PBE_KEYIVGEN                      118
1433 #define EVP_F_PKCS5_V2_PBKDF2_KEYIVGEN                   164
1434 #define EVP_F_PKCS8_SET_BROKEN                           112
1435 #define EVP_F_PKEY_SET_TYPE                              158
1436 #define EVP_F_RC2_GET_ASN1_TYPE_AND_IV                   197
1437 #define EVP_F_RC2_MAGIC_TO_METH                          109
1438 #define EVP_F_RC5_CTRL                                   125
1439
1440 /* Reason codes. */
1441 #define EVP_R_AES_IV_SETUP_FAILED                        162
1442 #define EVP_R_AES_KEY_SETUP_FAILED                       143
1443 #define EVP_R_ASN1_LIB                                   140
1444 #define EVP_R_BAD_BLOCK_LENGTH                           136
1445 #define EVP_R_BAD_DECRYPT                                100
1446 #define EVP_R_BAD_KEY_LENGTH                             137
1447 #define EVP_R_BN_DECODE_ERROR                            112
1448 #define EVP_R_BN_PUBKEY_ERROR                            113
1449 #define EVP_R_BUFFER_TOO_SMALL                           155
1450 #define EVP_R_CAMELLIA_KEY_SETUP_FAILED                  157
1451 #define EVP_R_CIPHER_PARAMETER_ERROR                     122
1452 #define EVP_R_COMMAND_NOT_SUPPORTED                      147
1453 #define EVP_R_CTRL_NOT_IMPLEMENTED                       132
1454 #define EVP_R_CTRL_OPERATION_NOT_IMPLEMENTED             133
1455 #define EVP_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH          138
1456 #define EVP_R_DECODE_ERROR                               114
1457 #define EVP_R_DIFFERENT_KEY_TYPES                        101
1458 #define EVP_R_DIFFERENT_PARAMETERS                       153
1459 #define EVP_R_DISABLED_FOR_FIPS                          163
1460 #define EVP_R_ENCODE_ERROR                               115
1461 #define EVP_R_ERROR_LOADING_SECTION                      165
1462 #define EVP_R_ERROR_SETTING_FIPS_MODE                    166
1463 #define EVP_R_EVP_PBE_CIPHERINIT_ERROR                   119
1464 #define EVP_R_EXPECTING_AN_RSA_KEY                       127
1465 #define EVP_R_EXPECTING_A_DH_KEY                         128
1466 #define EVP_R_EXPECTING_A_DSA_KEY                        129
1467 #define EVP_R_EXPECTING_A_ECDSA_KEY                      141
1468 #define EVP_R_EXPECTING_A_EC_KEY                         142
1469 #define EVP_R_FIPS_MODE_NOT_SUPPORTED                    167
1470 #define EVP_R_INITIALIZATION_ERROR                       134
1471 #define EVP_R_INPUT_NOT_INITIALIZED                      111
1472 #define EVP_R_INVALID_DIGEST                             152
1473 #define EVP_R_INVALID_FIPS_MODE                          168
1474 #define EVP_R_INVALID_KEY_LENGTH                         130
1475 #define EVP_R_INVALID_OPERATION                          148
1476 #define EVP_R_IV_TOO_LARGE                               102
1477 #define EVP_R_KEYGEN_FAILURE                             120
1478 #define EVP_R_MESSAGE_DIGEST_IS_NULL                     159
1479 #define EVP_R_METHOD_NOT_SUPPORTED                       144
1480 #define EVP_R_MISSING_PARAMETERS                         103
1481 #define EVP_R_NO_CIPHER_SET                              131
1482 #define EVP_R_NO_DEFAULT_DIGEST                          158
1483 #define EVP_R_NO_DIGEST_SET                              139
1484 #define EVP_R_NO_DSA_PARAMETERS                          116
1485 #define EVP_R_NO_KEY_SET                                 154
1486 #define EVP_R_NO_OPERATION_SET                           149
1487 #define EVP_R_NO_SIGN_FUNCTION_CONFIGURED                104
1488 #define EVP_R_NO_VERIFY_FUNCTION_CONFIGURED              105
1489 #define EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE   150
1490 #define EVP_R_OPERATON_NOT_INITIALIZED                   151
1491 #define EVP_R_OUTPUT_ALIASES_INPUT                       172
1492 #define EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE                  117
1493 #define EVP_R_PRIVATE_KEY_DECODE_ERROR                   145
1494 #define EVP_R_PRIVATE_KEY_ENCODE_ERROR                   146
1495 #define EVP_R_PUBLIC_KEY_NOT_RSA                         106
1496 #define EVP_R_TAG_TOO_LARGE                              171
1497 #define EVP_R_TOO_LARGE                                  164
1498 #define EVP_R_UNKNOWN_CIPHER                             160
1499 #define EVP_R_UNKNOWN_DIGEST                             161
1500 #define EVP_R_UNKNOWN_OPTION                             169
1501 #define EVP_R_UNKNOWN_PBE_ALGORITHM                      121
1502 #define EVP_R_UNSUPORTED_NUMBER_OF_ROUNDS                135
1503 #define EVP_R_UNSUPPORTED_ALGORITHM                      156
1504 #define EVP_R_UNSUPPORTED_CIPHER                         107
1505 #define EVP_R_UNSUPPORTED_KEYLENGTH                      123
1506 #define EVP_R_UNSUPPORTED_KEY_DERIVATION_FUNCTION        124
1507 #define EVP_R_UNSUPPORTED_KEY_SIZE                       108
1508 #define EVP_R_UNSUPPORTED_PRF                            125
1509 #define EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM          118
1510 #define EVP_R_UNSUPPORTED_SALT_TYPE                      126
1511 #define EVP_R_WRONG_FINAL_BLOCK_LENGTH                   109
1512 #define EVP_R_WRONG_PUBLIC_KEY_TYPE                      110
1513
1514 #ifdef  __cplusplus
1515 }
1516 #endif
1517 #endif