Home | History | Annotate | Download | only in evp
      1 /* crypto/evp/evp.h */
      2 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com)
      3  * All rights reserved.
      4  *
      5  * This package is an SSL implementation written
      6  * by Eric Young (eay (at) 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 (at) 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 (at) 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 (at) 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		64
     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 #define EVP_PKEY_HMAC	NID_hmac
    119 #define EVP_PKEY_CMAC	NID_cmac
    120 
    121 #ifdef	__cplusplus
    122 extern "C" {
    123 #endif
    124 
    125 /* Type needs to be a bit field
    126  * Sub-type needs to be for variations on the method, as in, can it do
    127  * arbitrary encryption.... */
    128 struct evp_pkey_st
    129 	{
    130 	int type;
    131 	int save_type;
    132 	int references;
    133 	const EVP_PKEY_ASN1_METHOD *ameth;
    134 	ENGINE *engine;
    135 	union	{
    136 		char *ptr;
    137 #ifndef OPENSSL_NO_RSA
    138 		struct rsa_st *rsa;	/* RSA */
    139 #endif
    140 #ifndef OPENSSL_NO_DSA
    141 		struct dsa_st *dsa;	/* DSA */
    142 #endif
    143 #ifndef OPENSSL_NO_DH
    144 		struct dh_st *dh;	/* DH */
    145 #endif
    146 #ifndef OPENSSL_NO_EC
    147 		struct ec_key_st *ec;	/* ECC */
    148 #endif
    149 		} pkey;
    150 	int save_parameters;
    151 	STACK_OF(X509_ATTRIBUTE) *attributes; /* [ 0 ] */
    152 	} /* EVP_PKEY */;
    153 
    154 #define EVP_PKEY_MO_SIGN	0x0001
    155 #define EVP_PKEY_MO_VERIFY	0x0002
    156 #define EVP_PKEY_MO_ENCRYPT	0x0004
    157 #define EVP_PKEY_MO_DECRYPT	0x0008
    158 
    159 #ifndef EVP_MD
    160 struct env_md_st
    161 	{
    162 	int type;
    163 	int pkey_type;
    164 	int md_size;
    165 	unsigned long flags;
    166 	int (*init)(EVP_MD_CTX *ctx);
    167 	int (*update)(EVP_MD_CTX *ctx,const void *data,size_t count);
    168 	int (*final)(EVP_MD_CTX *ctx,unsigned char *md);
    169 	int (*copy)(EVP_MD_CTX *to,const EVP_MD_CTX *from);
    170 	int (*cleanup)(EVP_MD_CTX *ctx);
    171 
    172 	/* FIXME: prototype these some day */
    173 	int (*sign)(int type, const unsigned char *m, unsigned int m_length,
    174 		    unsigned char *sigret, unsigned int *siglen, void *key);
    175 	int (*verify)(int type, const unsigned char *m, unsigned int m_length,
    176 		      const unsigned char *sigbuf, unsigned int siglen,
    177 		      void *key);
    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 typedef int evp_sign_method(int type,const unsigned char *m,
    186 			    unsigned int m_length,unsigned char *sigret,
    187 			    unsigned int *siglen, void *key);
    188 typedef int evp_verify_method(int type,const unsigned char *m,
    189 			    unsigned int m_length,const unsigned char *sigbuf,
    190 			    unsigned int siglen, void *key);
    191 
    192 #define EVP_MD_FLAG_ONESHOT	0x0001 /* digest can only handle a single
    193 					* block */
    194 
    195 #define EVP_MD_FLAG_PKEY_DIGEST	0x0002 /* digest is a "clone" digest used
    196 					* which is a copy of an existing
    197 					* one for a specific public key type.
    198 					* EVP_dss1() etc */
    199 
    200 /* Digest uses EVP_PKEY_METHOD for signing instead of MD specific signing */
    201 
    202 #define EVP_MD_FLAG_PKEY_METHOD_SIGNATURE	0x0004
    203 
    204 /* DigestAlgorithmIdentifier flags... */
    205 
    206 #define EVP_MD_FLAG_DIGALGID_MASK		0x0018
    207 
    208 /* NULL or absent parameter accepted. Use NULL */
    209 
    210 #define EVP_MD_FLAG_DIGALGID_NULL		0x0000
    211 
    212 /* NULL or absent parameter accepted. Use NULL for PKCS#1 otherwise absent */
    213 
    214 #define EVP_MD_FLAG_DIGALGID_ABSENT		0x0008
    215 
    216 /* Custom handling via ctrl */
    217 
    218 #define EVP_MD_FLAG_DIGALGID_CUSTOM		0x0018
    219 
    220 #define EVP_MD_FLAG_FIPS	0x0400 /* Note if suitable for use in FIPS mode */
    221 
    222 /* Digest ctrls */
    223 
    224 #define	EVP_MD_CTRL_DIGALGID			0x1
    225 #define	EVP_MD_CTRL_MICALG			0x2
    226 
    227 /* Minimum Algorithm specific ctrl value */
    228 
    229 #define	EVP_MD_CTRL_ALG_CTRL			0x1000
    230 
    231 #define EVP_PKEY_NULL_method	NULL,NULL,{0,0,0,0}
    232 
    233 #ifndef OPENSSL_NO_DSA
    234 #define EVP_PKEY_DSA_method	(evp_sign_method *)DSA_sign, \
    235 				(evp_verify_method *)DSA_verify, \
    236 				{EVP_PKEY_DSA,EVP_PKEY_DSA2,EVP_PKEY_DSA3, \
    237 					EVP_PKEY_DSA4,0}
    238 #else
    239 #define EVP_PKEY_DSA_method	EVP_PKEY_NULL_method
    240 #endif
    241 
    242 #ifndef OPENSSL_NO_ECDSA
    243 #define EVP_PKEY_ECDSA_method   (evp_sign_method *)ECDSA_sign, \
    244 				(evp_verify_method *)ECDSA_verify, \
    245                                  {EVP_PKEY_EC,0,0,0}
    246 #else
    247 #define EVP_PKEY_ECDSA_method   EVP_PKEY_NULL_method
    248 #endif
    249 
    250 #ifndef OPENSSL_NO_RSA
    251 #define EVP_PKEY_RSA_method	(evp_sign_method *)RSA_sign, \
    252 				(evp_verify_method *)RSA_verify, \
    253 				{EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0}
    254 #define EVP_PKEY_RSA_ASN1_OCTET_STRING_method \
    255 				(evp_sign_method *)RSA_sign_ASN1_OCTET_STRING, \
    256 				(evp_verify_method *)RSA_verify_ASN1_OCTET_STRING, \
    257 				{EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0}
    258 #else
    259 #define EVP_PKEY_RSA_method	EVP_PKEY_NULL_method
    260 #define EVP_PKEY_RSA_ASN1_OCTET_STRING_method EVP_PKEY_NULL_method
    261 #endif
    262 
    263 #endif /* !EVP_MD */
    264 
    265 struct env_md_ctx_st
    266 	{
    267 	const EVP_MD *digest;
    268 	ENGINE *engine; /* functional reference if 'digest' is ENGINE-provided */
    269 	unsigned long flags;
    270 	void *md_data;
    271 	/* Public key context for sign/verify */
    272 	EVP_PKEY_CTX *pctx;
    273 	/* Update function: usually copied from EVP_MD */
    274 	int (*update)(EVP_MD_CTX *ctx,const void *data,size_t count);
    275 	} /* EVP_MD_CTX */;
    276 
    277 /* values for EVP_MD_CTX flags */
    278 
    279 #define EVP_MD_CTX_FLAG_ONESHOT		0x0001 /* digest update will be called
    280 						* once only */
    281 #define EVP_MD_CTX_FLAG_CLEANED		0x0002 /* context has already been
    282 						* cleaned */
    283 #define EVP_MD_CTX_FLAG_REUSE		0x0004 /* Don't free up ctx->md_data
    284 						* in EVP_MD_CTX_cleanup */
    285 /* FIPS and pad options are ignored in 1.0.0, definitions are here
    286  * so we don't accidentally reuse the values for other purposes.
    287  */
    288 
    289 #define EVP_MD_CTX_FLAG_NON_FIPS_ALLOW	0x0008	/* Allow use of non FIPS digest
    290 						 * in FIPS mode */
    291 
    292 /* The following PAD options are also currently ignored in 1.0.0, digest
    293  * parameters are handled through EVP_DigestSign*() and EVP_DigestVerify*()
    294  * instead.
    295  */
    296 #define EVP_MD_CTX_FLAG_PAD_MASK	0xF0	/* RSA mode to use */
    297 #define EVP_MD_CTX_FLAG_PAD_PKCS1	0x00	/* PKCS#1 v1.5 mode */
    298 #define EVP_MD_CTX_FLAG_PAD_X931	0x10	/* X9.31 mode */
    299 #define EVP_MD_CTX_FLAG_PAD_PSS		0x20	/* PSS mode */
    300 
    301 #define EVP_MD_CTX_FLAG_NO_INIT		0x0100 /* Don't initialize md_data */
    302 
    303 struct evp_cipher_st
    304 	{
    305 	int nid;
    306 	int block_size;
    307 	int key_len;		/* Default value for variable length ciphers */
    308 	int iv_len;
    309 	unsigned long flags;	/* Various flags */
    310 	int (*init)(EVP_CIPHER_CTX *ctx, const unsigned char *key,
    311 		    const unsigned char *iv, int enc);	/* init key */
    312 	int (*do_cipher)(EVP_CIPHER_CTX *ctx, unsigned char *out,
    313 			 const unsigned char *in, size_t inl);/* encrypt/decrypt data */
    314 	int (*cleanup)(EVP_CIPHER_CTX *); /* cleanup ctx */
    315 	int ctx_size;		/* how big ctx->cipher_data needs to be */
    316 	int (*set_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Populate a ASN1_TYPE with parameters */
    317 	int (*get_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Get parameters from a ASN1_TYPE */
    318 	int (*ctrl)(EVP_CIPHER_CTX *, int type, int arg, void *ptr); /* Miscellaneous operations */
    319 	void *app_data;		/* Application data */
    320 	} /* EVP_CIPHER */;
    321 
    322 /* Values for cipher flags */
    323 
    324 /* Modes for ciphers */
    325 
    326 #define		EVP_CIPH_STREAM_CIPHER		0x0
    327 #define		EVP_CIPH_ECB_MODE		0x1
    328 #define		EVP_CIPH_CBC_MODE		0x2
    329 #define		EVP_CIPH_CFB_MODE		0x3
    330 #define		EVP_CIPH_OFB_MODE		0x4
    331 #define		EVP_CIPH_CTR_MODE		0x5
    332 #define		EVP_CIPH_GCM_MODE		0x6
    333 #define		EVP_CIPH_CCM_MODE		0x7
    334 #define		EVP_CIPH_XTS_MODE		0x10001
    335 #define 	EVP_CIPH_MODE			0xF0007
    336 /* Set if variable length cipher */
    337 #define 	EVP_CIPH_VARIABLE_LENGTH	0x8
    338 /* Set if the iv handling should be done by the cipher itself */
    339 #define 	EVP_CIPH_CUSTOM_IV		0x10
    340 /* Set if the cipher's init() function should be called if key is NULL */
    341 #define 	EVP_CIPH_ALWAYS_CALL_INIT	0x20
    342 /* Call ctrl() to init cipher parameters */
    343 #define 	EVP_CIPH_CTRL_INIT		0x40
    344 /* Don't use standard key length function */
    345 #define 	EVP_CIPH_CUSTOM_KEY_LENGTH	0x80
    346 /* Don't use standard block padding */
    347 #define 	EVP_CIPH_NO_PADDING		0x100
    348 /* cipher handles random key generation */
    349 #define 	EVP_CIPH_RAND_KEY		0x200
    350 /* cipher has its own additional copying logic */
    351 #define 	EVP_CIPH_CUSTOM_COPY		0x400
    352 /* Allow use default ASN1 get/set iv */
    353 #define		EVP_CIPH_FLAG_DEFAULT_ASN1	0x1000
    354 /* Buffer length in bits not bytes: CFB1 mode only */
    355 #define		EVP_CIPH_FLAG_LENGTH_BITS	0x2000
    356 /* Note if suitable for use in FIPS mode */
    357 #define		EVP_CIPH_FLAG_FIPS		0x4000
    358 /* Allow non FIPS cipher in FIPS mode */
    359 #define		EVP_CIPH_FLAG_NON_FIPS_ALLOW	0x8000
    360 /* Cipher handles any and all padding logic as well
    361  * as finalisation.
    362  */
    363 #define 	EVP_CIPH_FLAG_CUSTOM_CIPHER	0x100000
    364 #define		EVP_CIPH_FLAG_AEAD_CIPHER	0x200000
    365 
    366 /* ctrl() values */
    367 
    368 #define		EVP_CTRL_INIT			0x0
    369 #define 	EVP_CTRL_SET_KEY_LENGTH		0x1
    370 #define 	EVP_CTRL_GET_RC2_KEY_BITS	0x2
    371 #define 	EVP_CTRL_SET_RC2_KEY_BITS	0x3
    372 #define 	EVP_CTRL_GET_RC5_ROUNDS		0x4
    373 #define 	EVP_CTRL_SET_RC5_ROUNDS		0x5
    374 #define 	EVP_CTRL_RAND_KEY		0x6
    375 #define 	EVP_CTRL_PBE_PRF_NID		0x7
    376 #define 	EVP_CTRL_COPY			0x8
    377 #define 	EVP_CTRL_GCM_SET_IVLEN		0x9
    378 #define 	EVP_CTRL_GCM_GET_TAG		0x10
    379 #define 	EVP_CTRL_GCM_SET_TAG		0x11
    380 #define		EVP_CTRL_GCM_SET_IV_FIXED	0x12
    381 #define		EVP_CTRL_GCM_IV_GEN		0x13
    382 #define		EVP_CTRL_CCM_SET_IVLEN		EVP_CTRL_GCM_SET_IVLEN
    383 #define		EVP_CTRL_CCM_GET_TAG		EVP_CTRL_GCM_GET_TAG
    384 #define		EVP_CTRL_CCM_SET_TAG		EVP_CTRL_GCM_SET_TAG
    385 #define		EVP_CTRL_CCM_SET_L		0x14
    386 #define		EVP_CTRL_CCM_SET_MSGLEN		0x15
    387 /* AEAD cipher deduces payload length and returns number of bytes
    388  * required to store MAC and eventual padding. Subsequent call to
    389  * EVP_Cipher even appends/verifies MAC.
    390  */
    391 #define		EVP_CTRL_AEAD_TLS1_AAD		0x16
    392 /* Used by composite AEAD ciphers, no-op in GCM, CCM... */
    393 #define		EVP_CTRL_AEAD_SET_MAC_KEY	0x17
    394 /* Set the GCM invocation field, decrypt only */
    395 #define		EVP_CTRL_GCM_SET_IV_INV		0x18
    396 
    397 /* GCM TLS constants */
    398 /* Length of fixed part of IV derived from PRF */
    399 #define EVP_GCM_TLS_FIXED_IV_LEN			4
    400 /* Length of explicit part of IV part of TLS records */
    401 #define EVP_GCM_TLS_EXPLICIT_IV_LEN			8
    402 /* Length of tag for TLS */
    403 #define EVP_GCM_TLS_TAG_LEN				16
    404 
    405 typedef struct evp_cipher_info_st
    406 	{
    407 	const EVP_CIPHER *cipher;
    408 	unsigned char iv[EVP_MAX_IV_LENGTH];
    409 	} EVP_CIPHER_INFO;
    410 
    411 struct evp_cipher_ctx_st
    412 	{
    413 	const EVP_CIPHER *cipher;
    414 	ENGINE *engine;	/* functional reference if 'cipher' is ENGINE-provided */
    415 	int encrypt;		/* encrypt or decrypt */
    416 	int buf_len;		/* number we have left */
    417 
    418 	unsigned char  oiv[EVP_MAX_IV_LENGTH];	/* original iv */
    419 	unsigned char  iv[EVP_MAX_IV_LENGTH];	/* working iv */
    420 	unsigned char buf[EVP_MAX_BLOCK_LENGTH];/* saved partial block */
    421 	int num;				/* used by cfb/ofb/ctr mode */
    422 
    423 	void *app_data;		/* application stuff */
    424 	int key_len;		/* May change for variable length cipher */
    425 	unsigned long flags;	/* Various flags */
    426 	void *cipher_data; /* per EVP data */
    427 	int final_used;
    428 	int block_mask;
    429 	unsigned char final[EVP_MAX_BLOCK_LENGTH];/* possible final block */
    430 	} /* EVP_CIPHER_CTX */;
    431 
    432 typedef struct evp_Encode_Ctx_st
    433 	{
    434 	int num;	/* number saved in a partial encode/decode */
    435 	int length;	/* The length is either the output line length
    436 			 * (in input bytes) or the shortest input line
    437 			 * length that is ok.  Once decoding begins,
    438 			 * the length is adjusted up each time a longer
    439 			 * line is decoded */
    440 	unsigned char enc_data[80];	/* data to encode */
    441 	int line_num;	/* number read on current line */
    442 	int expect_nl;
    443 	} EVP_ENCODE_CTX;
    444 
    445 /* Password based encryption function */
    446 typedef int (EVP_PBE_KEYGEN)(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
    447 		ASN1_TYPE *param, const EVP_CIPHER *cipher,
    448                 const EVP_MD *md, int en_de);
    449 
    450 #ifndef OPENSSL_NO_RSA
    451 #define EVP_PKEY_assign_RSA(pkey,rsa) EVP_PKEY_assign((pkey),EVP_PKEY_RSA,\
    452 					(char *)(rsa))
    453 #endif
    454 
    455 #ifndef OPENSSL_NO_DSA
    456 #define EVP_PKEY_assign_DSA(pkey,dsa) EVP_PKEY_assign((pkey),EVP_PKEY_DSA,\
    457 					(char *)(dsa))
    458 #endif
    459 
    460 #ifndef OPENSSL_NO_DH
    461 #define EVP_PKEY_assign_DH(pkey,dh) EVP_PKEY_assign((pkey),EVP_PKEY_DH,\
    462 					(char *)(dh))
    463 #endif
    464 
    465 #ifndef OPENSSL_NO_EC
    466 #define EVP_PKEY_assign_EC_KEY(pkey,eckey) EVP_PKEY_assign((pkey),EVP_PKEY_EC,\
    467                                         (char *)(eckey))
    468 #endif
    469 
    470 /* Add some extra combinations */
    471 #define EVP_get_digestbynid(a) EVP_get_digestbyname(OBJ_nid2sn(a))
    472 #define EVP_get_digestbyobj(a) EVP_get_digestbynid(OBJ_obj2nid(a))
    473 #define EVP_get_cipherbynid(a) EVP_get_cipherbyname(OBJ_nid2sn(a))
    474 #define EVP_get_cipherbyobj(a) EVP_get_cipherbynid(OBJ_obj2nid(a))
    475 
    476 int EVP_MD_type(const EVP_MD *md);
    477 #define EVP_MD_nid(e)			EVP_MD_type(e)
    478 #define EVP_MD_name(e)			OBJ_nid2sn(EVP_MD_nid(e))
    479 int EVP_MD_pkey_type(const EVP_MD *md);
    480 int EVP_MD_size(const EVP_MD *md);
    481 int EVP_MD_block_size(const EVP_MD *md);
    482 unsigned long EVP_MD_flags(const EVP_MD *md);
    483 
    484 const EVP_MD *EVP_MD_CTX_md(const EVP_MD_CTX *ctx);
    485 #define EVP_MD_CTX_size(e)		EVP_MD_size(EVP_MD_CTX_md(e))
    486 #define EVP_MD_CTX_block_size(e)	EVP_MD_block_size(EVP_MD_CTX_md(e))
    487 #define EVP_MD_CTX_type(e)		EVP_MD_type(EVP_MD_CTX_md(e))
    488 
    489 int EVP_CIPHER_nid(const EVP_CIPHER *cipher);
    490 #define EVP_CIPHER_name(e)		OBJ_nid2sn(EVP_CIPHER_nid(e))
    491 int EVP_CIPHER_block_size(const EVP_CIPHER *cipher);
    492 int EVP_CIPHER_key_length(const EVP_CIPHER *cipher);
    493 int EVP_CIPHER_iv_length(const EVP_CIPHER *cipher);
    494 unsigned long EVP_CIPHER_flags(const EVP_CIPHER *cipher);
    495 #define EVP_CIPHER_mode(e)		(EVP_CIPHER_flags(e) & EVP_CIPH_MODE)
    496 
    497 const EVP_CIPHER * EVP_CIPHER_CTX_cipher(const EVP_CIPHER_CTX *ctx);
    498 int EVP_CIPHER_CTX_nid(const EVP_CIPHER_CTX *ctx);
    499 int EVP_CIPHER_CTX_block_size(const EVP_CIPHER_CTX *ctx);
    500 int EVP_CIPHER_CTX_key_length(const EVP_CIPHER_CTX *ctx);
    501 int EVP_CIPHER_CTX_iv_length(const EVP_CIPHER_CTX *ctx);
    502 int EVP_CIPHER_CTX_copy(EVP_CIPHER_CTX *out, const EVP_CIPHER_CTX *in);
    503 void * EVP_CIPHER_CTX_get_app_data(const EVP_CIPHER_CTX *ctx);
    504 void EVP_CIPHER_CTX_set_app_data(EVP_CIPHER_CTX *ctx, void *data);
    505 #define EVP_CIPHER_CTX_type(c)         EVP_CIPHER_type(EVP_CIPHER_CTX_cipher(c))
    506 unsigned long EVP_CIPHER_CTX_flags(const EVP_CIPHER_CTX *ctx);
    507 #define EVP_CIPHER_CTX_mode(e)		(EVP_CIPHER_CTX_flags(e) & EVP_CIPH_MODE)
    508 
    509 #define EVP_ENCODE_LENGTH(l)	(((l+2)/3*4)+(l/48+1)*2+80)
    510 #define EVP_DECODE_LENGTH(l)	((l+3)/4*3+80)
    511 
    512 #define EVP_SignInit_ex(a,b,c)		EVP_DigestInit_ex(a,b,c)
    513 #define EVP_SignInit(a,b)		EVP_DigestInit(a,b)
    514 #define EVP_SignUpdate(a,b,c)		EVP_DigestUpdate(a,b,c)
    515 #define	EVP_VerifyInit_ex(a,b,c)	EVP_DigestInit_ex(a,b,c)
    516 #define	EVP_VerifyInit(a,b)		EVP_DigestInit(a,b)
    517 #define	EVP_VerifyUpdate(a,b,c)		EVP_DigestUpdate(a,b,c)
    518 #define EVP_OpenUpdate(a,b,c,d,e)	EVP_DecryptUpdate(a,b,c,d,e)
    519 #define EVP_SealUpdate(a,b,c,d,e)	EVP_EncryptUpdate(a,b,c,d,e)
    520 #define EVP_DigestSignUpdate(a,b,c)	EVP_DigestUpdate(a,b,c)
    521 #define EVP_DigestVerifyUpdate(a,b,c)	EVP_DigestUpdate(a,b,c)
    522 
    523 #ifdef CONST_STRICT
    524 void BIO_set_md(BIO *,const EVP_MD *md);
    525 #else
    526 # define BIO_set_md(b,md)		BIO_ctrl(b,BIO_C_SET_MD,0,(char *)md)
    527 #endif
    528 #define BIO_get_md(b,mdp)		BIO_ctrl(b,BIO_C_GET_MD,0,(char *)mdp)
    529 #define BIO_get_md_ctx(b,mdcp)     BIO_ctrl(b,BIO_C_GET_MD_CTX,0,(char *)mdcp)
    530 #define BIO_set_md_ctx(b,mdcp)     BIO_ctrl(b,BIO_C_SET_MD_CTX,0,(char *)mdcp)
    531 #define BIO_get_cipher_status(b)	BIO_ctrl(b,BIO_C_GET_CIPHER_STATUS,0,NULL)
    532 #define BIO_get_cipher_ctx(b,c_pp)	BIO_ctrl(b,BIO_C_GET_CIPHER_CTX,0,(char *)c_pp)
    533 
    534 int EVP_Cipher(EVP_CIPHER_CTX *c,
    535 		unsigned char *out,
    536 		const unsigned char *in,
    537 		unsigned int inl);
    538 
    539 #define EVP_add_cipher_alias(n,alias) \
    540 	OBJ_NAME_add((alias),OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS,(n))
    541 #define EVP_add_digest_alias(n,alias) \
    542 	OBJ_NAME_add((alias),OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,(n))
    543 #define EVP_delete_cipher_alias(alias) \
    544 	OBJ_NAME_remove(alias,OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS);
    545 #define EVP_delete_digest_alias(alias) \
    546 	OBJ_NAME_remove(alias,OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS);
    547 
    548 void	EVP_MD_CTX_init(EVP_MD_CTX *ctx);
    549 int	EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx);
    550 EVP_MD_CTX *EVP_MD_CTX_create(void);
    551 void	EVP_MD_CTX_destroy(EVP_MD_CTX *ctx);
    552 int     EVP_MD_CTX_copy_ex(EVP_MD_CTX *out,const EVP_MD_CTX *in);
    553 void	EVP_MD_CTX_set_flags(EVP_MD_CTX *ctx, int flags);
    554 void	EVP_MD_CTX_clear_flags(EVP_MD_CTX *ctx, int flags);
    555 int 	EVP_MD_CTX_test_flags(const EVP_MD_CTX *ctx,int flags);
    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,
    558 			 size_t cnt);
    559 int	EVP_DigestFinal_ex(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s);
    560 int	EVP_Digest(const void *data, size_t count,
    561 		unsigned char *md, unsigned int *size, const EVP_MD *type, ENGINE *impl);
    562 
    563 int     EVP_MD_CTX_copy(EVP_MD_CTX *out,const EVP_MD_CTX *in);
    564 int	EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type);
    565 int	EVP_DigestFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s);
    566 
    567 int	EVP_read_pw_string(char *buf,int length,const char *prompt,int verify);
    568 int	EVP_read_pw_string_min(char *buf,int minlen,int maxlen,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,
    574 		int datal, int count, 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, ENGINE *impl,
    583 		const unsigned char *key, const unsigned char *iv);
    584 int	EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
    585 		int *outl, const unsigned char *in, int inl);
    586 int	EVP_EncryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
    587 int	EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
    588 
    589 int	EVP_DecryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher,
    590 		const unsigned char *key, const unsigned char *iv);
    591 int	EVP_DecryptInit_ex(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher, ENGINE *impl,
    592 		const unsigned char *key, const unsigned char *iv);
    593 int	EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
    594 		int *outl, const unsigned char *in, int inl);
    595 int	EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
    596 int	EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
    597 
    598 int	EVP_CipherInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher,
    599 		       const unsigned char *key,const unsigned char *iv,
    600 		       int enc);
    601 int	EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher, ENGINE *impl,
    602 		       const unsigned char *key,const unsigned char *iv,
    603 		       int enc);
    604 int	EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
    605 		int *outl, const unsigned char *in, int inl);
    606 int	EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
    607 int	EVP_CipherFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
    608 
    609 int	EVP_SignFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s,
    610 		EVP_PKEY *pkey);
    611 
    612 int	EVP_VerifyFinal(EVP_MD_CTX *ctx,const unsigned char *sigbuf,
    613 		unsigned int siglen,EVP_PKEY *pkey);
    614 
    615 int	EVP_DigestSignInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,
    616 			const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey);
    617 int	EVP_DigestSignFinal(EVP_MD_CTX *ctx,
    618 			unsigned char *sigret, size_t *siglen);
    619 
    620 int	EVP_DigestVerifyInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,
    621 			const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey);
    622 int	EVP_DigestVerifyFinal(EVP_MD_CTX *ctx,
    623 			unsigned char *sig, size_t siglen);
    624 
    625 int	EVP_OpenInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
    626 		const unsigned char *ek, int ekl, const unsigned char *iv,
    627 		EVP_PKEY *priv);
    628 int	EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
    629 
    630 int	EVP_SealInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,
    631 		 unsigned char **ek, int *ekl, unsigned char *iv,
    632 		EVP_PKEY **pubk, int npubk);
    633 int	EVP_SealFinal(EVP_CIPHER_CTX *ctx,unsigned char *out,int *outl);
    634 
    635 void	EVP_EncodeInit(EVP_ENCODE_CTX *ctx);
    636 void	EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl,
    637 		const unsigned char *in,int inl);
    638 void	EVP_EncodeFinal(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl);
    639 int	EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int n);
    640 
    641 void	EVP_DecodeInit(EVP_ENCODE_CTX *ctx);
    642 int	EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl,
    643 		const unsigned char *in, int inl);
    644 int	EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned
    645 		char *out, int *outl);
    646 int	EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n);
    647 
    648 void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *a);
    649 int EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *a);
    650 EVP_CIPHER_CTX *EVP_CIPHER_CTX_new(void);
    651 void EVP_CIPHER_CTX_free(EVP_CIPHER_CTX *a);
    652 int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *x, int keylen);
    653 int EVP_CIPHER_CTX_set_padding(EVP_CIPHER_CTX *c, int pad);
    654 int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr);
    655 int EVP_CIPHER_CTX_rand_key(EVP_CIPHER_CTX *ctx, unsigned char *key);
    656 
    657 #ifndef OPENSSL_NO_BIO
    658 BIO_METHOD *BIO_f_md(void);
    659 BIO_METHOD *BIO_f_base64(void);
    660 BIO_METHOD *BIO_f_cipher(void);
    661 BIO_METHOD *BIO_f_reliable(void);
    662 void BIO_set_cipher(BIO *b,const EVP_CIPHER *c,const unsigned char *k,
    663 		const unsigned char *i, int enc);
    664 #endif
    665 
    666 const EVP_MD *EVP_md_null(void);
    667 #ifndef OPENSSL_NO_MD2
    668 const EVP_MD *EVP_md2(void);
    669 #endif
    670 #ifndef OPENSSL_NO_MD4
    671 const EVP_MD *EVP_md4(void);
    672 #endif
    673 #ifndef OPENSSL_NO_MD5
    674 const EVP_MD *EVP_md5(void);
    675 #endif
    676 #ifndef OPENSSL_NO_SHA
    677 const EVP_MD *EVP_sha(void);
    678 const EVP_MD *EVP_sha1(void);
    679 const EVP_MD *EVP_dss(void);
    680 const EVP_MD *EVP_dss1(void);
    681 const EVP_MD *EVP_ecdsa(void);
    682 #endif
    683 #ifndef OPENSSL_NO_SHA256
    684 const EVP_MD *EVP_sha224(void);
    685 const EVP_MD *EVP_sha256(void);
    686 #endif
    687 #ifndef OPENSSL_NO_SHA512
    688 const EVP_MD *EVP_sha384(void);
    689 const EVP_MD *EVP_sha512(void);
    690 #endif
    691 #ifndef OPENSSL_NO_MDC2
    692 const EVP_MD *EVP_mdc2(void);
    693 #endif
    694 #ifndef OPENSSL_NO_RIPEMD
    695 const EVP_MD *EVP_ripemd160(void);
    696 #endif
    697 #ifndef OPENSSL_NO_WHIRLPOOL
    698 const EVP_MD *EVP_whirlpool(void);
    699 #endif
    700 const EVP_CIPHER *EVP_enc_null(void);		/* does nothing :-) */
    701 #ifndef OPENSSL_NO_DES
    702 const EVP_CIPHER *EVP_des_ecb(void);
    703 const EVP_CIPHER *EVP_des_ede(void);
    704 const EVP_CIPHER *EVP_des_ede3(void);
    705 const EVP_CIPHER *EVP_des_ede_ecb(void);
    706 const EVP_CIPHER *EVP_des_ede3_ecb(void);
    707 const EVP_CIPHER *EVP_des_cfb64(void);
    708 # define EVP_des_cfb EVP_des_cfb64
    709 const EVP_CIPHER *EVP_des_cfb1(void);
    710 const EVP_CIPHER *EVP_des_cfb8(void);
    711 const EVP_CIPHER *EVP_des_ede_cfb64(void);
    712 # define EVP_des_ede_cfb EVP_des_ede_cfb64
    713 #if 0
    714 const EVP_CIPHER *EVP_des_ede_cfb1(void);
    715 const EVP_CIPHER *EVP_des_ede_cfb8(void);
    716 #endif
    717 const EVP_CIPHER *EVP_des_ede3_cfb64(void);
    718 # define EVP_des_ede3_cfb EVP_des_ede3_cfb64
    719 const EVP_CIPHER *EVP_des_ede3_cfb1(void);
    720 const EVP_CIPHER *EVP_des_ede3_cfb8(void);
    721 const EVP_CIPHER *EVP_des_ofb(void);
    722 const EVP_CIPHER *EVP_des_ede_ofb(void);
    723 const EVP_CIPHER *EVP_des_ede3_ofb(void);
    724 const EVP_CIPHER *EVP_des_cbc(void);
    725 const EVP_CIPHER *EVP_des_ede_cbc(void);
    726 const EVP_CIPHER *EVP_des_ede3_cbc(void);
    727 const EVP_CIPHER *EVP_desx_cbc(void);
    728 /* This should now be supported through the dev_crypto ENGINE. But also, why are
    729  * rc4 and md5 declarations made here inside a "NO_DES" precompiler branch? */
    730 #if 0
    731 # ifdef OPENSSL_OPENBSD_DEV_CRYPTO
    732 const EVP_CIPHER *EVP_dev_crypto_des_ede3_cbc(void);
    733 const EVP_CIPHER *EVP_dev_crypto_rc4(void);
    734 const EVP_MD *EVP_dev_crypto_md5(void);
    735 # endif
    736 #endif
    737 #endif
    738 #ifndef OPENSSL_NO_RC4
    739 const EVP_CIPHER *EVP_rc4(void);
    740 const EVP_CIPHER *EVP_rc4_40(void);
    741 #ifndef OPENSSL_NO_MD5
    742 const EVP_CIPHER *EVP_rc4_hmac_md5(void);
    743 #endif
    744 #endif
    745 #ifndef OPENSSL_NO_IDEA
    746 const EVP_CIPHER *EVP_idea_ecb(void);
    747 const EVP_CIPHER *EVP_idea_cfb64(void);
    748 # define EVP_idea_cfb EVP_idea_cfb64
    749 const EVP_CIPHER *EVP_idea_ofb(void);
    750 const EVP_CIPHER *EVP_idea_cbc(void);
    751 #endif
    752 #ifndef OPENSSL_NO_RC2
    753 const EVP_CIPHER *EVP_rc2_ecb(void);
    754 const EVP_CIPHER *EVP_rc2_cbc(void);
    755 const EVP_CIPHER *EVP_rc2_40_cbc(void);
    756 const EVP_CIPHER *EVP_rc2_64_cbc(void);
    757 const EVP_CIPHER *EVP_rc2_cfb64(void);
    758 # define EVP_rc2_cfb EVP_rc2_cfb64
    759 const EVP_CIPHER *EVP_rc2_ofb(void);
    760 #endif
    761 #ifndef OPENSSL_NO_BF
    762 const EVP_CIPHER *EVP_bf_ecb(void);
    763 const EVP_CIPHER *EVP_bf_cbc(void);
    764 const EVP_CIPHER *EVP_bf_cfb64(void);
    765 # define EVP_bf_cfb EVP_bf_cfb64
    766 const EVP_CIPHER *EVP_bf_ofb(void);
    767 #endif
    768 #ifndef OPENSSL_NO_CAST
    769 const EVP_CIPHER *EVP_cast5_ecb(void);
    770 const EVP_CIPHER *EVP_cast5_cbc(void);
    771 const EVP_CIPHER *EVP_cast5_cfb64(void);
    772 # define EVP_cast5_cfb EVP_cast5_cfb64
    773 const EVP_CIPHER *EVP_cast5_ofb(void);
    774 #endif
    775 #ifndef OPENSSL_NO_RC5
    776 const EVP_CIPHER *EVP_rc5_32_12_16_cbc(void);
    777 const EVP_CIPHER *EVP_rc5_32_12_16_ecb(void);
    778 const EVP_CIPHER *EVP_rc5_32_12_16_cfb64(void);
    779 # define EVP_rc5_32_12_16_cfb EVP_rc5_32_12_16_cfb64
    780 const EVP_CIPHER *EVP_rc5_32_12_16_ofb(void);
    781 #endif
    782 #ifndef OPENSSL_NO_AES
    783 const EVP_CIPHER *EVP_aes_128_ecb(void);
    784 const EVP_CIPHER *EVP_aes_128_cbc(void);
    785 const EVP_CIPHER *EVP_aes_128_cfb1(void);
    786 const EVP_CIPHER *EVP_aes_128_cfb8(void);
    787 const EVP_CIPHER *EVP_aes_128_cfb128(void);
    788 # define EVP_aes_128_cfb EVP_aes_128_cfb128
    789 const EVP_CIPHER *EVP_aes_128_ofb(void);
    790 const EVP_CIPHER *EVP_aes_128_ctr(void);
    791 const EVP_CIPHER *EVP_aes_128_ccm(void);
    792 const EVP_CIPHER *EVP_aes_128_gcm(void);
    793 const EVP_CIPHER *EVP_aes_128_xts(void);
    794 const EVP_CIPHER *EVP_aes_192_ecb(void);
    795 const EVP_CIPHER *EVP_aes_192_cbc(void);
    796 const EVP_CIPHER *EVP_aes_192_cfb1(void);
    797 const EVP_CIPHER *EVP_aes_192_cfb8(void);
    798 const EVP_CIPHER *EVP_aes_192_cfb128(void);
    799 # define EVP_aes_192_cfb EVP_aes_192_cfb128
    800 const EVP_CIPHER *EVP_aes_192_ofb(void);
    801 const EVP_CIPHER *EVP_aes_192_ctr(void);
    802 const EVP_CIPHER *EVP_aes_192_ccm(void);
    803 const EVP_CIPHER *EVP_aes_192_gcm(void);
    804 const EVP_CIPHER *EVP_aes_256_ecb(void);
    805 const EVP_CIPHER *EVP_aes_256_cbc(void);
    806 const EVP_CIPHER *EVP_aes_256_cfb1(void);
    807 const EVP_CIPHER *EVP_aes_256_cfb8(void);
    808 const EVP_CIPHER *EVP_aes_256_cfb128(void);
    809 # define EVP_aes_256_cfb EVP_aes_256_cfb128
    810 const EVP_CIPHER *EVP_aes_256_ofb(void);
    811 const EVP_CIPHER *EVP_aes_256_ctr(void);
    812 const EVP_CIPHER *EVP_aes_256_ccm(void);
    813 const EVP_CIPHER *EVP_aes_256_gcm(void);
    814 const EVP_CIPHER *EVP_aes_256_xts(void);
    815 #if !defined(OPENSSL_NO_SHA) && !defined(OPENSSL_NO_SHA1)
    816 const EVP_CIPHER *EVP_aes_128_cbc_hmac_sha1(void);
    817 const EVP_CIPHER *EVP_aes_256_cbc_hmac_sha1(void);
    818 #endif
    819 #endif
    820 #ifndef OPENSSL_NO_CAMELLIA
    821 const EVP_CIPHER *EVP_camellia_128_ecb(void);
    822 const EVP_CIPHER *EVP_camellia_128_cbc(void);
    823 const EVP_CIPHER *EVP_camellia_128_cfb1(void);
    824 const EVP_CIPHER *EVP_camellia_128_cfb8(void);
    825 const EVP_CIPHER *EVP_camellia_128_cfb128(void);
    826 # define EVP_camellia_128_cfb EVP_camellia_128_cfb128
    827 const EVP_CIPHER *EVP_camellia_128_ofb(void);
    828 const EVP_CIPHER *EVP_camellia_192_ecb(void);
    829 const EVP_CIPHER *EVP_camellia_192_cbc(void);
    830 const EVP_CIPHER *EVP_camellia_192_cfb1(void);
    831 const EVP_CIPHER *EVP_camellia_192_cfb8(void);
    832 const EVP_CIPHER *EVP_camellia_192_cfb128(void);
    833 # define EVP_camellia_192_cfb EVP_camellia_192_cfb128
    834 const EVP_CIPHER *EVP_camellia_192_ofb(void);
    835 const EVP_CIPHER *EVP_camellia_256_ecb(void);
    836 const EVP_CIPHER *EVP_camellia_256_cbc(void);
    837 const EVP_CIPHER *EVP_camellia_256_cfb1(void);
    838 const EVP_CIPHER *EVP_camellia_256_cfb8(void);
    839 const EVP_CIPHER *EVP_camellia_256_cfb128(void);
    840 # define EVP_camellia_256_cfb EVP_camellia_256_cfb128
    841 const EVP_CIPHER *EVP_camellia_256_ofb(void);
    842 #endif
    843 
    844 #ifndef OPENSSL_NO_SEED
    845 const EVP_CIPHER *EVP_seed_ecb(void);
    846 const EVP_CIPHER *EVP_seed_cbc(void);
    847 const EVP_CIPHER *EVP_seed_cfb128(void);
    848 # define EVP_seed_cfb EVP_seed_cfb128
    849 const EVP_CIPHER *EVP_seed_ofb(void);
    850 #endif
    851 
    852 void OPENSSL_add_all_algorithms_noconf(void);
    853 void OPENSSL_add_all_algorithms_conf(void);
    854 
    855 #ifdef OPENSSL_LOAD_CONF
    856 #define OpenSSL_add_all_algorithms() \
    857 		OPENSSL_add_all_algorithms_conf()
    858 #else
    859 #define OpenSSL_add_all_algorithms() \
    860 		OPENSSL_add_all_algorithms_noconf()
    861 #endif
    862 
    863 void OpenSSL_add_all_ciphers(void);
    864 void OpenSSL_add_all_digests(void);
    865 #define SSLeay_add_all_algorithms() OpenSSL_add_all_algorithms()
    866 #define SSLeay_add_all_ciphers() OpenSSL_add_all_ciphers()
    867 #define SSLeay_add_all_digests() OpenSSL_add_all_digests()
    868 
    869 int EVP_add_cipher(const EVP_CIPHER *cipher);
    870 int EVP_add_digest(const EVP_MD *digest);
    871 
    872 const EVP_CIPHER *EVP_get_cipherbyname(const char *name);
    873 const EVP_MD *EVP_get_digestbyname(const char *name);
    874 void EVP_cleanup(void);
    875 
    876 void EVP_CIPHER_do_all(void (*fn)(const EVP_CIPHER *ciph,
    877 		const char *from, const char *to, void *x), void *arg);
    878 void EVP_CIPHER_do_all_sorted(void (*fn)(const EVP_CIPHER *ciph,
    879 		const char *from, const char *to, void *x), void *arg);
    880 
    881 void EVP_MD_do_all(void (*fn)(const EVP_MD *ciph,
    882 		const char *from, const char *to, void *x), void *arg);
    883 void EVP_MD_do_all_sorted(void (*fn)(const EVP_MD *ciph,
    884 		const char *from, const char *to, void *x), void *arg);
    885 
    886 int		EVP_PKEY_decrypt_old(unsigned char *dec_key,
    887 			const unsigned char *enc_key,int enc_key_len,
    888 			EVP_PKEY *private_key);
    889 int		EVP_PKEY_encrypt_old(unsigned char *enc_key,
    890 			const unsigned char *key,int key_len,
    891 			EVP_PKEY *pub_key);
    892 int		EVP_PKEY_type(int type);
    893 int		EVP_PKEY_id(const EVP_PKEY *pkey);
    894 int		EVP_PKEY_base_id(const EVP_PKEY *pkey);
    895 int		EVP_PKEY_bits(EVP_PKEY *pkey);
    896 int		EVP_PKEY_size(EVP_PKEY *pkey);
    897 int 		EVP_PKEY_set_type(EVP_PKEY *pkey,int type);
    898 int		EVP_PKEY_set_type_str(EVP_PKEY *pkey, const char *str, int len);
    899 int 		EVP_PKEY_assign(EVP_PKEY *pkey,int type,void *key);
    900 void *		EVP_PKEY_get0(EVP_PKEY *pkey);
    901 
    902 #ifndef OPENSSL_NO_RSA
    903 struct rsa_st;
    904 int EVP_PKEY_set1_RSA(EVP_PKEY *pkey,struct rsa_st *key);
    905 struct rsa_st *EVP_PKEY_get1_RSA(EVP_PKEY *pkey);
    906 #endif
    907 #ifndef OPENSSL_NO_DSA
    908 struct dsa_st;
    909 int EVP_PKEY_set1_DSA(EVP_PKEY *pkey,struct dsa_st *key);
    910 struct dsa_st *EVP_PKEY_get1_DSA(EVP_PKEY *pkey);
    911 #endif
    912 #ifndef OPENSSL_NO_DH
    913 struct dh_st;
    914 int EVP_PKEY_set1_DH(EVP_PKEY *pkey,struct dh_st *key);
    915 struct dh_st *EVP_PKEY_get1_DH(EVP_PKEY *pkey);
    916 #endif
    917 #ifndef OPENSSL_NO_EC
    918 struct ec_key_st;
    919 int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey,struct ec_key_st *key);
    920 struct ec_key_st *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey);
    921 #endif
    922 
    923 EVP_PKEY *	EVP_PKEY_new(void);
    924 EVP_PKEY *	EVP_PKEY_dup(EVP_PKEY *pkey);
    925 void		EVP_PKEY_free(EVP_PKEY *pkey);
    926 
    927 EVP_PKEY *	d2i_PublicKey(int type,EVP_PKEY **a, const unsigned char **pp,
    928 			long length);
    929 int		i2d_PublicKey(EVP_PKEY *a, unsigned char **pp);
    930 
    931 EVP_PKEY *	d2i_PrivateKey(int type,EVP_PKEY **a, const unsigned char **pp,
    932 			long length);
    933 EVP_PKEY *	d2i_AutoPrivateKey(EVP_PKEY **a, const unsigned char **pp,
    934 			long length);
    935 int		i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp);
    936 
    937 int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from);
    938 int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey);
    939 int EVP_PKEY_save_parameters(EVP_PKEY *pkey,int mode);
    940 int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b);
    941 
    942 int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b);
    943 
    944 int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey,
    945 				int indent, ASN1_PCTX *pctx);
    946 int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey,
    947 				int indent, ASN1_PCTX *pctx);
    948 int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey,
    949 				int indent, ASN1_PCTX *pctx);
    950 
    951 int EVP_PKEY_get_default_digest_nid(EVP_PKEY *pkey, int *pnid);
    952 
    953 int EVP_CIPHER_type(const EVP_CIPHER *ctx);
    954 
    955 /* calls methods */
    956 int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
    957 int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
    958 
    959 /* These are used by EVP_CIPHER methods */
    960 int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type);
    961 int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type);
    962 
    963 /* PKCS5 password based encryption */
    964 int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
    965 			 ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md,
    966 			 int en_de);
    967 int PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen,
    968 			   const unsigned char *salt, int saltlen, int iter,
    969 			   int keylen, unsigned char *out);
    970 int PKCS5_PBKDF2_HMAC(const char *pass, int passlen,
    971 			   const unsigned char *salt, int saltlen, int iter,
    972 			   const EVP_MD *digest,
    973 		      int keylen, unsigned char *out);
    974 int PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
    975 			 ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md,
    976 			 int en_de);
    977 
    978 void PKCS5_PBE_add(void);
    979 
    980 int EVP_PBE_CipherInit (ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
    981 	     ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de);
    982 
    983 /* PBE type */
    984 
    985 /* Can appear as the outermost AlgorithmIdentifier */
    986 #define EVP_PBE_TYPE_OUTER	0x0
    987 /* Is an PRF type OID */
    988 #define EVP_PBE_TYPE_PRF	0x1
    989 
    990 int EVP_PBE_alg_add_type(int pbe_type, int pbe_nid, int cipher_nid, int md_nid,
    991 	     EVP_PBE_KEYGEN *keygen);
    992 int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md,
    993 		    EVP_PBE_KEYGEN *keygen);
    994 int EVP_PBE_find(int type, int pbe_nid,
    995 			int *pcnid, int *pmnid, EVP_PBE_KEYGEN **pkeygen);
    996 void EVP_PBE_cleanup(void);
    997 
    998 #define ASN1_PKEY_ALIAS		0x1
    999 #define ASN1_PKEY_DYNAMIC	0x2
   1000 #define ASN1_PKEY_SIGPARAM_NULL	0x4
   1001 
   1002 #define ASN1_PKEY_CTRL_PKCS7_SIGN	0x1
   1003 #define ASN1_PKEY_CTRL_PKCS7_ENCRYPT	0x2
   1004 #define ASN1_PKEY_CTRL_DEFAULT_MD_NID	0x3
   1005 #define ASN1_PKEY_CTRL_CMS_SIGN		0x5
   1006 #define ASN1_PKEY_CTRL_CMS_ENVELOPE	0x7
   1007 
   1008 int EVP_PKEY_asn1_get_count(void);
   1009 const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_get0(int idx);
   1010 const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find(ENGINE **pe, int type);
   1011 const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find_str(ENGINE **pe,
   1012 					const char *str, int len);
   1013 int EVP_PKEY_asn1_add0(const EVP_PKEY_ASN1_METHOD *ameth);
   1014 int EVP_PKEY_asn1_add_alias(int to, int from);
   1015 int EVP_PKEY_asn1_get0_info(int *ppkey_id, int *pkey_base_id, int *ppkey_flags,
   1016 				const char **pinfo, const char **ppem_str,
   1017 					const EVP_PKEY_ASN1_METHOD *ameth);
   1018 
   1019 const EVP_PKEY_ASN1_METHOD* EVP_PKEY_get0_asn1(EVP_PKEY *pkey);
   1020 EVP_PKEY_ASN1_METHOD* EVP_PKEY_asn1_new(int id, int flags,
   1021 					const char *pem_str, const char *info);
   1022 void EVP_PKEY_asn1_copy(EVP_PKEY_ASN1_METHOD *dst,
   1023 			const EVP_PKEY_ASN1_METHOD *src);
   1024 void EVP_PKEY_asn1_free(EVP_PKEY_ASN1_METHOD *ameth);
   1025 void EVP_PKEY_asn1_set_public(EVP_PKEY_ASN1_METHOD *ameth,
   1026 		int (*pub_decode)(EVP_PKEY *pk, X509_PUBKEY *pub),
   1027 		int (*pub_encode)(X509_PUBKEY *pub, const EVP_PKEY *pk),
   1028 		int (*pub_cmp)(const EVP_PKEY *a, const EVP_PKEY *b),
   1029 		int (*pub_print)(BIO *out, const EVP_PKEY *pkey, int indent,
   1030 							ASN1_PCTX *pctx),
   1031 		int (*pkey_size)(const EVP_PKEY *pk),
   1032 		int (*pkey_bits)(const EVP_PKEY *pk));
   1033 void EVP_PKEY_asn1_set_private(EVP_PKEY_ASN1_METHOD *ameth,
   1034 		int (*priv_decode)(EVP_PKEY *pk, PKCS8_PRIV_KEY_INFO *p8inf),
   1035 		int (*priv_encode)(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pk),
   1036 		int (*priv_print)(BIO *out, const EVP_PKEY *pkey, int indent,
   1037 							ASN1_PCTX *pctx));
   1038 void EVP_PKEY_asn1_set_param(EVP_PKEY_ASN1_METHOD *ameth,
   1039 		int (*param_decode)(EVP_PKEY *pkey,
   1040 				const unsigned char **pder, int derlen),
   1041 		int (*param_encode)(const EVP_PKEY *pkey, unsigned char **pder),
   1042 		int (*param_missing)(const EVP_PKEY *pk),
   1043 		int (*param_copy)(EVP_PKEY *to, const EVP_PKEY *from),
   1044 		int (*param_cmp)(const EVP_PKEY *a, const EVP_PKEY *b),
   1045 		int (*param_print)(BIO *out, const EVP_PKEY *pkey, int indent,
   1046 							ASN1_PCTX *pctx));
   1047 
   1048 void EVP_PKEY_asn1_set_free(EVP_PKEY_ASN1_METHOD *ameth,
   1049 		void (*pkey_free)(EVP_PKEY *pkey));
   1050 void EVP_PKEY_asn1_set_ctrl(EVP_PKEY_ASN1_METHOD *ameth,
   1051 		int (*pkey_ctrl)(EVP_PKEY *pkey, int op,
   1052 							long arg1, void *arg2));
   1053 
   1054 
   1055 #define EVP_PKEY_OP_UNDEFINED		0
   1056 #define EVP_PKEY_OP_PARAMGEN		(1<<1)
   1057 #define EVP_PKEY_OP_KEYGEN		(1<<2)
   1058 #define EVP_PKEY_OP_SIGN		(1<<3)
   1059 #define EVP_PKEY_OP_VERIFY		(1<<4)
   1060 #define EVP_PKEY_OP_VERIFYRECOVER	(1<<5)
   1061 #define EVP_PKEY_OP_SIGNCTX		(1<<6)
   1062 #define EVP_PKEY_OP_VERIFYCTX		(1<<7)
   1063 #define EVP_PKEY_OP_ENCRYPT		(1<<8)
   1064 #define EVP_PKEY_OP_DECRYPT		(1<<9)
   1065 #define EVP_PKEY_OP_DERIVE		(1<<10)
   1066 
   1067 #define EVP_PKEY_OP_TYPE_SIG	\
   1068 	(EVP_PKEY_OP_SIGN | EVP_PKEY_OP_VERIFY | EVP_PKEY_OP_VERIFYRECOVER \
   1069 		| EVP_PKEY_OP_SIGNCTX | EVP_PKEY_OP_VERIFYCTX)
   1070 
   1071 #define EVP_PKEY_OP_TYPE_CRYPT \
   1072 	(EVP_PKEY_OP_ENCRYPT | EVP_PKEY_OP_DECRYPT)
   1073 
   1074 #define EVP_PKEY_OP_TYPE_NOGEN \
   1075 	(EVP_PKEY_OP_SIG | EVP_PKEY_OP_CRYPT | EVP_PKEY_OP_DERIVE)
   1076 
   1077 #define EVP_PKEY_OP_TYPE_GEN \
   1078 		(EVP_PKEY_OP_PARAMGEN | EVP_PKEY_OP_KEYGEN)
   1079 
   1080 #define	 EVP_PKEY_CTX_set_signature_md(ctx, md)	\
   1081 		EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG,  \
   1082 					EVP_PKEY_CTRL_MD, 0, (void *)md)
   1083 
   1084 #define EVP_PKEY_CTRL_MD		1
   1085 #define EVP_PKEY_CTRL_PEER_KEY		2
   1086 
   1087 #define EVP_PKEY_CTRL_PKCS7_ENCRYPT	3
   1088 #define EVP_PKEY_CTRL_PKCS7_DECRYPT	4
   1089 
   1090 #define EVP_PKEY_CTRL_PKCS7_SIGN	5
   1091 
   1092 #define EVP_PKEY_CTRL_SET_MAC_KEY	6
   1093 
   1094 #define EVP_PKEY_CTRL_DIGESTINIT	7
   1095 
   1096 /* Used by GOST key encryption in TLS */
   1097 #define EVP_PKEY_CTRL_SET_IV 		8
   1098 
   1099 #define EVP_PKEY_CTRL_CMS_ENCRYPT	9
   1100 #define EVP_PKEY_CTRL_CMS_DECRYPT	10
   1101 #define EVP_PKEY_CTRL_CMS_SIGN		11
   1102 
   1103 #define EVP_PKEY_CTRL_CIPHER		12
   1104 
   1105 #define EVP_PKEY_ALG_CTRL		0x1000
   1106 
   1107 
   1108 #define EVP_PKEY_FLAG_AUTOARGLEN	2
   1109 /* Method handles all operations: don't assume any digest related
   1110  * defaults.
   1111  */
   1112 #define EVP_PKEY_FLAG_SIGCTX_CUSTOM	4
   1113 
   1114 const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type);
   1115 EVP_PKEY_METHOD* EVP_PKEY_meth_new(int id, int flags);
   1116 void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags,
   1117 				const EVP_PKEY_METHOD *meth);
   1118 void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src);
   1119 void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth);
   1120 int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth);
   1121 
   1122 EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e);
   1123 EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e);
   1124 EVP_PKEY_CTX *EVP_PKEY_CTX_dup(EVP_PKEY_CTX *ctx);
   1125 void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx);
   1126 
   1127 int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
   1128 				int cmd, int p1, void *p2);
   1129 int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx, const char *type,
   1130 						const char *value);
   1131 
   1132 int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx);
   1133 void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen);
   1134 
   1135 EVP_PKEY *EVP_PKEY_new_mac_key(int type, ENGINE *e,
   1136 				const unsigned char *key, int keylen);
   1137 
   1138 void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data);
   1139 void *EVP_PKEY_CTX_get_data(EVP_PKEY_CTX *ctx);
   1140 EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx);
   1141 
   1142 EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx);
   1143 
   1144 void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data);
   1145 void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx);
   1146 
   1147 int EVP_PKEY_sign_init(EVP_PKEY_CTX *ctx);
   1148 int EVP_PKEY_sign(EVP_PKEY_CTX *ctx,
   1149 			unsigned char *sig, size_t *siglen,
   1150 			const unsigned char *tbs, size_t tbslen);
   1151 int EVP_PKEY_verify_init(EVP_PKEY_CTX *ctx);
   1152 int EVP_PKEY_verify(EVP_PKEY_CTX *ctx,
   1153 			const unsigned char *sig, size_t siglen,
   1154 			const unsigned char *tbs, size_t tbslen);
   1155 int EVP_PKEY_verify_recover_init(EVP_PKEY_CTX *ctx);
   1156 int EVP_PKEY_verify_recover(EVP_PKEY_CTX *ctx,
   1157 			unsigned char *rout, size_t *routlen,
   1158 			const unsigned char *sig, size_t siglen);
   1159 int EVP_PKEY_encrypt_init(EVP_PKEY_CTX *ctx);
   1160 int EVP_PKEY_encrypt(EVP_PKEY_CTX *ctx,
   1161 			unsigned char *out, size_t *outlen,
   1162 			const unsigned char *in, size_t inlen);
   1163 int EVP_PKEY_decrypt_init(EVP_PKEY_CTX *ctx);
   1164 int EVP_PKEY_decrypt(EVP_PKEY_CTX *ctx,
   1165 			unsigned char *out, size_t *outlen,
   1166 			const unsigned char *in, size_t inlen);
   1167 
   1168 int EVP_PKEY_derive_init(EVP_PKEY_CTX *ctx);
   1169 int EVP_PKEY_derive_set_peer(EVP_PKEY_CTX *ctx, EVP_PKEY *peer);
   1170 int EVP_PKEY_derive(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen);
   1171 
   1172 typedef int EVP_PKEY_gen_cb(EVP_PKEY_CTX *ctx);
   1173 
   1174 int EVP_PKEY_paramgen_init(EVP_PKEY_CTX *ctx);
   1175 int EVP_PKEY_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey);
   1176 int EVP_PKEY_keygen_init(EVP_PKEY_CTX *ctx);
   1177 int EVP_PKEY_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey);
   1178 
   1179 void EVP_PKEY_CTX_set_cb(EVP_PKEY_CTX *ctx, EVP_PKEY_gen_cb *cb);
   1180 EVP_PKEY_gen_cb *EVP_PKEY_CTX_get_cb(EVP_PKEY_CTX *ctx);
   1181 
   1182 int EVP_PKEY_CTX_get_keygen_info(EVP_PKEY_CTX *ctx, int idx);
   1183 
   1184 void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
   1185 	int (*init)(EVP_PKEY_CTX *ctx));
   1186 
   1187 void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth,
   1188 	int (*copy)(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src));
   1189 
   1190 void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
   1191 	void (*cleanup)(EVP_PKEY_CTX *ctx));
   1192 
   1193 void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth,
   1194 	int (*paramgen_init)(EVP_PKEY_CTX *ctx),
   1195 	int (*paramgen)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey));
   1196 
   1197 void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth,
   1198 	int (*keygen_init)(EVP_PKEY_CTX *ctx),
   1199 	int (*keygen)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey));
   1200 
   1201 void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth,
   1202 	int (*sign_init)(EVP_PKEY_CTX *ctx),
   1203 	int (*sign)(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
   1204 					const unsigned char *tbs, size_t tbslen));
   1205 
   1206 void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth,
   1207 	int (*verify_init)(EVP_PKEY_CTX *ctx),
   1208 	int (*verify)(EVP_PKEY_CTX *ctx, const unsigned char *sig, size_t siglen,
   1209 					const unsigned char *tbs, size_t tbslen));
   1210 
   1211 void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth,
   1212 	int (*verify_recover_init)(EVP_PKEY_CTX *ctx),
   1213 	int (*verify_recover)(EVP_PKEY_CTX *ctx,
   1214 					unsigned char *sig, size_t *siglen,
   1215 					const unsigned char *tbs, size_t tbslen));
   1216 
   1217 void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth,
   1218 	int (*signctx_init)(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx),
   1219 	int (*signctx)(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
   1220 					EVP_MD_CTX *mctx));
   1221 
   1222 void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth,
   1223 	int (*verifyctx_init)(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx),
   1224 	int (*verifyctx)(EVP_PKEY_CTX *ctx, const unsigned char *sig,int siglen,
   1225 					EVP_MD_CTX *mctx));
   1226 
   1227 void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth,
   1228 	int (*encrypt_init)(EVP_PKEY_CTX *ctx),
   1229 	int (*encryptfn)(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
   1230 					const unsigned char *in, size_t inlen));
   1231 
   1232 void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth,
   1233 	int (*decrypt_init)(EVP_PKEY_CTX *ctx),
   1234 	int (*decrypt)(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
   1235 					const unsigned char *in, size_t inlen));
   1236 
   1237 void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth,
   1238 	int (*derive_init)(EVP_PKEY_CTX *ctx),
   1239 	int (*derive)(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen));
   1240 
   1241 void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
   1242 	int (*ctrl)(EVP_PKEY_CTX *ctx, int type, int p1, void *p2),
   1243 	int (*ctrl_str)(EVP_PKEY_CTX *ctx,
   1244 					const char *type, const char *value));
   1245 
   1246 void EVP_add_alg_module(void);
   1247 
   1248 /* BEGIN ERROR CODES */
   1249 /* The following lines are auto generated by the script mkerr.pl. Any changes
   1250  * made after this point may be overwritten when the script is next run.
   1251  */
   1252 void ERR_load_EVP_strings(void);
   1253 
   1254 /* Error codes for the EVP functions. */
   1255 
   1256 /* Function codes. */
   1257 #define EVP_F_AESNI_INIT_KEY				 165
   1258 #define EVP_F_AESNI_XTS_CIPHER				 176
   1259 #define EVP_F_AES_INIT_KEY				 133
   1260 #define EVP_F_AES_XTS					 172
   1261 #define EVP_F_AES_XTS_CIPHER				 175
   1262 #define EVP_F_ALG_MODULE_INIT				 177
   1263 #define EVP_F_CAMELLIA_INIT_KEY				 159
   1264 #define EVP_F_CMAC_INIT					 173
   1265 #define EVP_F_D2I_PKEY					 100
   1266 #define EVP_F_DO_SIGVER_INIT				 161
   1267 #define EVP_F_DSAPKEY2PKCS8				 134
   1268 #define EVP_F_DSA_PKEY2PKCS8				 135
   1269 #define EVP_F_ECDSA_PKEY2PKCS8				 129
   1270 #define EVP_F_ECKEY_PKEY2PKCS8				 132
   1271 #define EVP_F_EVP_CIPHERINIT_EX				 123
   1272 #define EVP_F_EVP_CIPHER_CTX_COPY			 163
   1273 #define EVP_F_EVP_CIPHER_CTX_CTRL			 124
   1274 #define EVP_F_EVP_CIPHER_CTX_SET_KEY_LENGTH		 122
   1275 #define EVP_F_EVP_DECRYPTFINAL_EX			 101
   1276 #define EVP_F_EVP_DIGESTINIT_EX				 128
   1277 #define EVP_F_EVP_ENCRYPTFINAL_EX			 127
   1278 #define EVP_F_EVP_MD_CTX_COPY_EX			 110
   1279 #define EVP_F_EVP_MD_SIZE				 162
   1280 #define EVP_F_EVP_OPENINIT				 102
   1281 #define EVP_F_EVP_PBE_ALG_ADD				 115
   1282 #define EVP_F_EVP_PBE_ALG_ADD_TYPE			 160
   1283 #define EVP_F_EVP_PBE_CIPHERINIT			 116
   1284 #define EVP_F_EVP_PKCS82PKEY				 111
   1285 #define EVP_F_EVP_PKCS82PKEY_BROKEN			 136
   1286 #define EVP_F_EVP_PKEY2PKCS8_BROKEN			 113
   1287 #define EVP_F_EVP_PKEY_COPY_PARAMETERS			 103
   1288 #define EVP_F_EVP_PKEY_CTX_CTRL				 137
   1289 #define EVP_F_EVP_PKEY_CTX_CTRL_STR			 150
   1290 #define EVP_F_EVP_PKEY_CTX_DUP				 156
   1291 #define EVP_F_EVP_PKEY_DECRYPT				 104
   1292 #define EVP_F_EVP_PKEY_DECRYPT_INIT			 138
   1293 #define EVP_F_EVP_PKEY_DECRYPT_OLD			 151
   1294 #define EVP_F_EVP_PKEY_DERIVE				 153
   1295 #define EVP_F_EVP_PKEY_DERIVE_INIT			 154
   1296 #define EVP_F_EVP_PKEY_DERIVE_SET_PEER			 155
   1297 #define EVP_F_EVP_PKEY_ENCRYPT				 105
   1298 #define EVP_F_EVP_PKEY_ENCRYPT_INIT			 139
   1299 #define EVP_F_EVP_PKEY_ENCRYPT_OLD			 152
   1300 #define EVP_F_EVP_PKEY_GET1_DH				 119
   1301 #define EVP_F_EVP_PKEY_GET1_DSA				 120
   1302 #define EVP_F_EVP_PKEY_GET1_ECDSA			 130
   1303 #define EVP_F_EVP_PKEY_GET1_EC_KEY			 131
   1304 #define EVP_F_EVP_PKEY_GET1_RSA				 121
   1305 #define EVP_F_EVP_PKEY_KEYGEN				 146
   1306 #define EVP_F_EVP_PKEY_KEYGEN_INIT			 147
   1307 #define EVP_F_EVP_PKEY_NEW				 106
   1308 #define EVP_F_EVP_PKEY_PARAMGEN				 148
   1309 #define EVP_F_EVP_PKEY_PARAMGEN_INIT			 149
   1310 #define EVP_F_EVP_PKEY_SIGN				 140
   1311 #define EVP_F_EVP_PKEY_SIGN_INIT			 141
   1312 #define EVP_F_EVP_PKEY_VERIFY				 142
   1313 #define EVP_F_EVP_PKEY_VERIFY_INIT			 143
   1314 #define EVP_F_EVP_PKEY_VERIFY_RECOVER			 144
   1315 #define EVP_F_EVP_PKEY_VERIFY_RECOVER_INIT		 145
   1316 #define EVP_F_EVP_RIJNDAEL				 126
   1317 #define EVP_F_EVP_SIGNFINAL				 107
   1318 #define EVP_F_EVP_VERIFYFINAL				 108
   1319 #define EVP_F_FIPS_CIPHERINIT				 166
   1320 #define EVP_F_FIPS_CIPHER_CTX_COPY			 170
   1321 #define EVP_F_FIPS_CIPHER_CTX_CTRL			 167
   1322 #define EVP_F_FIPS_CIPHER_CTX_SET_KEY_LENGTH		 171
   1323 #define EVP_F_FIPS_DIGESTINIT				 168
   1324 #define EVP_F_FIPS_MD_CTX_COPY				 169
   1325 #define EVP_F_HMAC_INIT_EX				 174
   1326 #define EVP_F_INT_CTX_NEW				 157
   1327 #define EVP_F_PKCS5_PBE_KEYIVGEN			 117
   1328 #define EVP_F_PKCS5_V2_PBE_KEYIVGEN			 118
   1329 #define EVP_F_PKCS5_V2_PBKDF2_KEYIVGEN			 164
   1330 #define EVP_F_PKCS8_SET_BROKEN				 112
   1331 #define EVP_F_PKEY_SET_TYPE				 158
   1332 #define EVP_F_RC2_MAGIC_TO_METH				 109
   1333 #define EVP_F_RC5_CTRL					 125
   1334 
   1335 /* Reason codes. */
   1336 #define EVP_R_AES_IV_SETUP_FAILED			 162
   1337 #define EVP_R_AES_KEY_SETUP_FAILED			 143
   1338 #define EVP_R_ASN1_LIB					 140
   1339 #define EVP_R_BAD_BLOCK_LENGTH				 136
   1340 #define EVP_R_BAD_DECRYPT				 100
   1341 #define EVP_R_BAD_KEY_LENGTH				 137
   1342 #define EVP_R_BN_DECODE_ERROR				 112
   1343 #define EVP_R_BN_PUBKEY_ERROR				 113
   1344 #define EVP_R_BUFFER_TOO_SMALL				 155
   1345 #define EVP_R_CAMELLIA_KEY_SETUP_FAILED			 157
   1346 #define EVP_R_CIPHER_PARAMETER_ERROR			 122
   1347 #define EVP_R_COMMAND_NOT_SUPPORTED			 147
   1348 #define EVP_R_CTRL_NOT_IMPLEMENTED			 132
   1349 #define EVP_R_CTRL_OPERATION_NOT_IMPLEMENTED		 133
   1350 #define EVP_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH		 138
   1351 #define EVP_R_DECODE_ERROR				 114
   1352 #define EVP_R_DIFFERENT_KEY_TYPES			 101
   1353 #define EVP_R_DIFFERENT_PARAMETERS			 153
   1354 #define EVP_R_DISABLED_FOR_FIPS				 163
   1355 #define EVP_R_ENCODE_ERROR				 115
   1356 #define EVP_R_ERROR_LOADING_SECTION			 165
   1357 #define EVP_R_ERROR_SETTING_FIPS_MODE			 166
   1358 #define EVP_R_EVP_PBE_CIPHERINIT_ERROR			 119
   1359 #define EVP_R_EXPECTING_AN_RSA_KEY			 127
   1360 #define EVP_R_EXPECTING_A_DH_KEY			 128
   1361 #define EVP_R_EXPECTING_A_DSA_KEY			 129
   1362 #define EVP_R_EXPECTING_A_ECDSA_KEY			 141
   1363 #define EVP_R_EXPECTING_A_EC_KEY			 142
   1364 #define EVP_R_FIPS_MODE_NOT_SUPPORTED			 167
   1365 #define EVP_R_INITIALIZATION_ERROR			 134
   1366 #define EVP_R_INPUT_NOT_INITIALIZED			 111
   1367 #define EVP_R_INVALID_DIGEST				 152
   1368 #define EVP_R_INVALID_FIPS_MODE				 168
   1369 #define EVP_R_INVALID_KEY_LENGTH			 130
   1370 #define EVP_R_INVALID_OPERATION				 148
   1371 #define EVP_R_IV_TOO_LARGE				 102
   1372 #define EVP_R_KEYGEN_FAILURE				 120
   1373 #define EVP_R_MESSAGE_DIGEST_IS_NULL			 159
   1374 #define EVP_R_METHOD_NOT_SUPPORTED			 144
   1375 #define EVP_R_MISSING_PARAMETERS			 103
   1376 #define EVP_R_NO_CIPHER_SET				 131
   1377 #define EVP_R_NO_DEFAULT_DIGEST				 158
   1378 #define EVP_R_NO_DIGEST_SET				 139
   1379 #define EVP_R_NO_DSA_PARAMETERS				 116
   1380 #define EVP_R_NO_KEY_SET				 154
   1381 #define EVP_R_NO_OPERATION_SET				 149
   1382 #define EVP_R_NO_SIGN_FUNCTION_CONFIGURED		 104
   1383 #define EVP_R_NO_VERIFY_FUNCTION_CONFIGURED		 105
   1384 #define EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE	 150
   1385 #define EVP_R_OPERATON_NOT_INITIALIZED			 151
   1386 #define EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE			 117
   1387 #define EVP_R_PRIVATE_KEY_DECODE_ERROR			 145
   1388 #define EVP_R_PRIVATE_KEY_ENCODE_ERROR			 146
   1389 #define EVP_R_PUBLIC_KEY_NOT_RSA			 106
   1390 #define EVP_R_TOO_LARGE					 164
   1391 #define EVP_R_UNKNOWN_CIPHER				 160
   1392 #define EVP_R_UNKNOWN_DIGEST				 161
   1393 #define EVP_R_UNKNOWN_OPTION				 169
   1394 #define EVP_R_UNKNOWN_PBE_ALGORITHM			 121
   1395 #define EVP_R_UNSUPORTED_NUMBER_OF_ROUNDS		 135
   1396 #define EVP_R_UNSUPPORTED_ALGORITHM			 156
   1397 #define EVP_R_UNSUPPORTED_CIPHER			 107
   1398 #define EVP_R_UNSUPPORTED_KEYLENGTH			 123
   1399 #define EVP_R_UNSUPPORTED_KEY_DERIVATION_FUNCTION	 124
   1400 #define EVP_R_UNSUPPORTED_KEY_SIZE			 108
   1401 #define EVP_R_UNSUPPORTED_PRF				 125
   1402 #define EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM		 118
   1403 #define EVP_R_UNSUPPORTED_SALT_TYPE			 126
   1404 #define EVP_R_WRONG_FINAL_BLOCK_LENGTH			 109
   1405 #define EVP_R_WRONG_PUBLIC_KEY_TYPE			 110
   1406 
   1407 #ifdef  __cplusplus
   1408 }
   1409 #endif
   1410 #endif
   1411