os/ossrv/ssl/libcrypto/src/crypto/evp/evp.h
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib.
     1 /* crypto/evp/evp.h */
     2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
     3  * All rights reserved.
     4  *
     5  * This package is an SSL implementation written
     6  * by Eric Young (eay@cryptsoft.com).
     7  * The implementation was written so as to conform with Netscapes SSL.
     8  * 
     9  * This library is free for commercial and non-commercial use as long as
    10  * the following conditions are aheared to.  The following conditions
    11  * apply to all code found in this distribution, be it the RC4, RSA,
    12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
    13  * included with this distribution is covered by the same copyright terms
    14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
    15  * 
    16  * Copyright remains Eric Young's, and as such any Copyright notices in
    17  * the code are not to be removed.
    18  * If this package is used in a product, Eric Young should be given attribution
    19  * as the author of the parts of the library used.
    20  * This can be in the form of a textual message at program startup or
    21  * in documentation (online or textual) provided with the package.
    22  * 
    23  * Redistribution and use in source and binary forms, with or without
    24  * modification, are permitted provided that the following conditions
    25  * are met:
    26  * 1. Redistributions of source code must retain the copyright
    27  *    notice, this list of conditions and the following disclaimer.
    28  * 2. Redistributions in binary form must reproduce the above copyright
    29  *    notice, this list of conditions and the following disclaimer in the
    30  *    documentation and/or other materials provided with the distribution.
    31  * 3. All advertising materials mentioning features or use of this software
    32  *    must display the following acknowledgement:
    33  *    "This product includes cryptographic software written by
    34  *     Eric Young (eay@cryptsoft.com)"
    35  *    The word 'cryptographic' can be left out if the rouines from the library
    36  *    being used are not cryptographic related :-).
    37  * 4. If you include any Windows specific code (or a derivative thereof) from 
    38  *    the apps directory (application code) you must include an acknowledgement:
    39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
    40  * 
    41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
    42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
    45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
    47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
    49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
    50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    51  * SUCH DAMAGE.
    52  * 
    53  * The licence and distribution terms for any publically available version or
    54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
    55  * copied and put under another distribution licence
    56  * [including the GNU Public Licence.]
    57  */
    58 /*
    59  © Portions copyright (c) 2006-2010 Nokia Corporation.  All rights reserved.
    60  */
    61 
    62 #ifndef HEADER_ENVELOPE_H
    63 #define HEADER_ENVELOPE_H
    64 #ifdef SYMBIAN
    65 #include <e32def.h>
    66 #endif
    67 #ifdef OPENSSL_ALGORITHM_DEFINES
    68 # include <openssl/opensslconf.h>
    69 #else
    70 # define OPENSSL_ALGORITHM_DEFINES
    71 # include <openssl/opensslconf.h>
    72 # undef OPENSSL_ALGORITHM_DEFINES
    73 #endif
    74 
    75 #include <openssl/ossl_typ.h>
    76 
    77 #include <openssl/symhacks.h>
    78 
    79 #ifndef OPENSSL_NO_BIO
    80 #include <openssl/bio.h>
    81 #endif
    82 
    83 /*
    84 #define EVP_RC2_KEY_SIZE		16
    85 #define EVP_RC4_KEY_SIZE		16
    86 #define EVP_BLOWFISH_KEY_SIZE		16
    87 #define EVP_CAST5_KEY_SIZE		16
    88 #define EVP_RC5_32_12_16_KEY_SIZE	16
    89 */
    90 #define EVP_MAX_MD_SIZE			64	/* longest known is SHA512 */
    91 #define EVP_MAX_KEY_LENGTH		32
    92 #define EVP_MAX_IV_LENGTH		16
    93 #define EVP_MAX_BLOCK_LENGTH		32
    94 
    95 #define PKCS5_SALT_LEN			8
    96 /* Default PKCS#5 iteration count */
    97 #define PKCS5_DEFAULT_ITER		2048
    98 
    99 #include <openssl/objects.h>
   100 
   101 #define EVP_PK_RSA	0x0001
   102 #define EVP_PK_DSA	0x0002
   103 #define EVP_PK_DH	0x0004
   104 #define EVP_PK_EC	0x0008
   105 #define EVP_PKT_SIGN	0x0010
   106 #define EVP_PKT_ENC	0x0020
   107 #define EVP_PKT_EXCH	0x0040
   108 #define EVP_PKS_RSA	0x0100
   109 #define EVP_PKS_DSA	0x0200
   110 #define EVP_PKS_EC	0x0400
   111 #define EVP_PKT_EXP	0x1000 /* <= 512 bit key */
   112 
   113 #define EVP_PKEY_NONE	NID_undef
   114 #define EVP_PKEY_RSA	NID_rsaEncryption
   115 #define EVP_PKEY_RSA2	NID_rsa
   116 #define EVP_PKEY_DSA	NID_dsa
   117 #define EVP_PKEY_DSA1	NID_dsa_2
   118 #define EVP_PKEY_DSA2	NID_dsaWithSHA
   119 #define EVP_PKEY_DSA3	NID_dsaWithSHA1
   120 #define EVP_PKEY_DSA4	NID_dsaWithSHA1_2
   121 #define EVP_PKEY_DH	NID_dhKeyAgreement
   122 #define EVP_PKEY_EC	NID_X9_62_id_ecPublicKey
   123 
   124 #ifdef	__cplusplus
   125 extern "C" {
   126 #endif
   127 
   128 /* Type needs to be a bit field
   129  * Sub-type needs to be for variations on the method, as in, can it do
   130  * arbitrary encryption.... */
   131 struct evp_pkey_st
   132 	{
   133 	int type;
   134 	int save_type;
   135 	int references;
   136 	union	{
   137 		char *ptr;
   138 #ifndef OPENSSL_NO_RSA
   139 		struct rsa_st *rsa;	/* RSA */
   140 #endif
   141 #ifndef OPENSSL_NO_DSA
   142 		struct dsa_st *dsa;	/* DSA */
   143 #endif
   144 #ifndef OPENSSL_NO_DH
   145 		struct dh_st *dh;	/* DH */
   146 #endif
   147 #ifndef OPENSSL_NO_EC
   148 		struct ec_key_st *ec;	/* ECC */
   149 #endif
   150 		} pkey;
   151 	int save_parameters;
   152 	STACK_OF(X509_ATTRIBUTE) *attributes; /* [ 0 ] */
   153 	} /* EVP_PKEY */;
   154 
   155 #define EVP_PKEY_MO_SIGN	0x0001
   156 #define EVP_PKEY_MO_VERIFY	0x0002
   157 #define EVP_PKEY_MO_ENCRYPT	0x0004
   158 #define EVP_PKEY_MO_DECRYPT	0x0008
   159 
   160 #if 0
   161 /* This structure is required to tie the message digest and signing together.
   162  * The lookup can be done by md/pkey_method, oid, oid/pkey_method, or
   163  * oid, md and pkey.
   164  * This is required because for various smart-card perform the digest and
   165  * signing/verification on-board.  To handle this case, the specific
   166  * EVP_MD and EVP_PKEY_METHODs need to be closely associated.
   167  * When a PKEY is created, it will have a EVP_PKEY_METHOD associated with it.
   168  * This can either be software or a token to provide the required low level
   169  * routines.
   170  */
   171 typedef struct evp_pkey_md_st
   172 	{
   173 	int oid;
   174 	EVP_MD *md;
   175 	EVP_PKEY_METHOD *pkey;
   176 	} EVP_PKEY_MD;
   177 
   178 #define EVP_rsa_md2() \
   179 		EVP_PKEY_MD_add(NID_md2WithRSAEncryption,\
   180 			EVP_rsa_pkcs1(),EVP_md2())
   181 #define EVP_rsa_md5() \
   182 		EVP_PKEY_MD_add(NID_md5WithRSAEncryption,\
   183 			EVP_rsa_pkcs1(),EVP_md5())
   184 #define EVP_rsa_sha0() \
   185 		EVP_PKEY_MD_add(NID_shaWithRSAEncryption,\
   186 			EVP_rsa_pkcs1(),EVP_sha())
   187 #define EVP_rsa_sha1() \
   188 		EVP_PKEY_MD_add(NID_sha1WithRSAEncryption,\
   189 			EVP_rsa_pkcs1(),EVP_sha1())
   190 #define EVP_rsa_ripemd160() \
   191 		EVP_PKEY_MD_add(NID_ripemd160WithRSA,\
   192 			EVP_rsa_pkcs1(),EVP_ripemd160())
   193 #define EVP_rsa_mdc2() \
   194 		EVP_PKEY_MD_add(NID_mdc2WithRSA,\
   195 			EVP_rsa_octet_string(),EVP_mdc2())
   196 #define EVP_dsa_sha() \
   197 		EVP_PKEY_MD_add(NID_dsaWithSHA,\
   198 			EVP_dsa(),EVP_sha())
   199 #define EVP_dsa_sha1() \
   200 		EVP_PKEY_MD_add(NID_dsaWithSHA1,\
   201 			EVP_dsa(),EVP_sha1())
   202 
   203 typedef struct evp_pkey_method_st
   204 	{
   205 	char *name;
   206 	int flags;
   207 	int type;		/* RSA, DSA, an SSLeay specific constant */
   208 	int oid;		/* For the pub-key type */
   209 	int encrypt_oid;	/* pub/priv key encryption */
   210 
   211 	int (*sign)();
   212 	int (*verify)();
   213 	struct	{
   214 		int (*set)();	/* get and/or set the underlying type */
   215 		int (*get)();
   216 		int (*encrypt)();
   217 		int (*decrypt)();
   218 		int (*i2d)();
   219 		int (*d2i)();
   220 		int (*dup)();
   221 		} pub,priv;
   222 	int (*set_asn1_parameters)();
   223 	int (*get_asn1_parameters)();
   224 	} EVP_PKEY_METHOD;
   225 #endif
   226 
   227 #ifndef EVP_MD
   228 struct env_md_st
   229 	{
   230 	int type;
   231 	int pkey_type;
   232 	int md_size;
   233 	unsigned long flags;
   234 	int (*init)(EVP_MD_CTX *ctx);
   235 	int (*update)(EVP_MD_CTX *ctx,const void *data,size_t count);
   236 	int (*final)(EVP_MD_CTX *ctx,unsigned char *md);
   237 	int (*copy)(EVP_MD_CTX *to,const EVP_MD_CTX *from);
   238 	int (*cleanup)(EVP_MD_CTX *ctx);
   239 
   240 	/* FIXME: prototype these some day */
   241 	int (*sign)(int type, const unsigned char *m, unsigned int m_length,
   242 		    unsigned char *sigret, unsigned int *siglen, void *key);
   243 	int (*verify)(int type, const unsigned char *m, unsigned int m_length,
   244 		      const unsigned char *sigbuf, unsigned int siglen,
   245 		      void *key);
   246 	int required_pkey_type[5]; /*EVP_PKEY_xxx */
   247 	int block_size;
   248 	int ctx_size; /* how big does the ctx->md_data need to be */
   249 	} /* EVP_MD */;
   250 
   251 typedef int evp_sign_method(int type,const unsigned char *m,
   252 			    unsigned int m_length,unsigned char *sigret,
   253 			    unsigned int *siglen, void *key);
   254 typedef int evp_verify_method(int type,const unsigned char *m,
   255 			    unsigned int m_length,const unsigned char *sigbuf,
   256 			    unsigned int siglen, void *key);
   257 
   258 #define EVP_MD_FLAG_ONESHOT	0x0001 /* digest can only handle a single
   259 					* block */
   260 
   261 #define EVP_PKEY_NULL_method	NULL,NULL,{0,0,0,0}
   262 
   263 #ifndef OPENSSL_NO_DSA
   264 #define EVP_PKEY_DSA_method	(evp_sign_method *)DSA_sign, \
   265 				(evp_verify_method *)DSA_verify, \
   266 				{EVP_PKEY_DSA,EVP_PKEY_DSA2,EVP_PKEY_DSA3, \
   267 					EVP_PKEY_DSA4,0}
   268 #else
   269 #define EVP_PKEY_DSA_method	EVP_PKEY_NULL_method
   270 #endif
   271 
   272 #ifndef OPENSSL_NO_ECDSA
   273 #define EVP_PKEY_ECDSA_method   (evp_sign_method *)ECDSA_sign, \
   274 				(evp_verify_method *)ECDSA_verify, \
   275                                  {EVP_PKEY_EC,0,0,0}
   276 #else   
   277 #define EVP_PKEY_ECDSA_method   EVP_PKEY_NULL_method
   278 #endif
   279 
   280 #ifndef OPENSSL_NO_RSA
   281 #define EVP_PKEY_RSA_method	(evp_sign_method *)RSA_sign, \
   282 				(evp_verify_method *)RSA_verify, \
   283 				{EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0}
   284 #define EVP_PKEY_RSA_ASN1_OCTET_STRING_method \
   285 				(evp_sign_method *)RSA_sign_ASN1_OCTET_STRING, \
   286 				(evp_verify_method *)RSA_verify_ASN1_OCTET_STRING, \
   287 				{EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0}
   288 #else
   289 #define EVP_PKEY_RSA_method	EVP_PKEY_NULL_method
   290 #define EVP_PKEY_RSA_ASN1_OCTET_STRING_method EVP_PKEY_NULL_method
   291 #endif
   292 
   293 #endif /* !EVP_MD */
   294 
   295 struct env_md_ctx_st
   296 	{
   297 	const EVP_MD *digest;
   298 	ENGINE *engine; /* functional reference if 'digest' is ENGINE-provided */
   299 	unsigned long flags;
   300 	void *md_data;
   301 	} /* EVP_MD_CTX */;
   302 
   303 /* values for EVP_MD_CTX flags */
   304 
   305 #define EVP_MD_CTX_FLAG_ONESHOT		0x0001 /* digest update will be called
   306 						* once only */
   307 #define EVP_MD_CTX_FLAG_CLEANED		0x0002 /* context has already been
   308 						* cleaned */
   309 #define EVP_MD_CTX_FLAG_REUSE		0x0004 /* Don't free up ctx->md_data
   310 						* in EVP_MD_CTX_cleanup */
   311 
   312 struct evp_cipher_st
   313 	{
   314 	int nid;
   315 	int block_size;
   316 	int key_len;		/* Default value for variable length ciphers */
   317 	int iv_len;
   318 	unsigned long flags;	/* Various flags */
   319 	int (*init)(EVP_CIPHER_CTX *ctx, const unsigned char *key,
   320 		    const unsigned char *iv, int enc);	/* init key */
   321 	int (*do_cipher)(EVP_CIPHER_CTX *ctx, unsigned char *out,
   322 			 const unsigned char *in, unsigned int inl);/* encrypt/decrypt data */
   323 	int (*cleanup)(EVP_CIPHER_CTX *); /* cleanup ctx */
   324 	int ctx_size;		/* how big ctx->cipher_data needs to be */
   325 	int (*set_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Populate a ASN1_TYPE with parameters */
   326 	int (*get_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Get parameters from a ASN1_TYPE */
   327 	int (*ctrl)(EVP_CIPHER_CTX *, int type, int arg, void *ptr); /* Miscellaneous operations */
   328 	void *app_data;		/* Application data */
   329 	} /* EVP_CIPHER */;
   330 
   331 /* Values for cipher flags */
   332 
   333 /* Modes for ciphers */
   334 
   335 #define		EVP_CIPH_STREAM_CIPHER		0x0
   336 #define		EVP_CIPH_ECB_MODE		0x1
   337 #define		EVP_CIPH_CBC_MODE		0x2
   338 #define		EVP_CIPH_CFB_MODE		0x3
   339 #define		EVP_CIPH_OFB_MODE		0x4
   340 #define 	EVP_CIPH_MODE			0x7
   341 /* Set if variable length cipher */
   342 #define 	EVP_CIPH_VARIABLE_LENGTH	0x8
   343 /* Set if the iv handling should be done by the cipher itself */
   344 #define 	EVP_CIPH_CUSTOM_IV		0x10
   345 /* Set if the cipher's init() function should be called if key is NULL */
   346 #define 	EVP_CIPH_ALWAYS_CALL_INIT	0x20
   347 /* Call ctrl() to init cipher parameters */
   348 #define 	EVP_CIPH_CTRL_INIT		0x40
   349 /* Don't use standard key length function */
   350 #define 	EVP_CIPH_CUSTOM_KEY_LENGTH	0x80
   351 /* Don't use standard block padding */
   352 #define 	EVP_CIPH_NO_PADDING		0x100
   353 /* cipher handles random key generation */
   354 #define 	EVP_CIPH_RAND_KEY		0x200
   355 
   356 /* ctrl() values */
   357 
   358 #define		EVP_CTRL_INIT			0x0
   359 #define 	EVP_CTRL_SET_KEY_LENGTH		0x1
   360 #define 	EVP_CTRL_GET_RC2_KEY_BITS	0x2
   361 #define 	EVP_CTRL_SET_RC2_KEY_BITS	0x3
   362 #define 	EVP_CTRL_GET_RC5_ROUNDS		0x4
   363 #define 	EVP_CTRL_SET_RC5_ROUNDS		0x5
   364 #define 	EVP_CTRL_RAND_KEY		0x6
   365 
   366 typedef struct evp_cipher_info_st
   367 	{
   368 	const EVP_CIPHER *cipher;
   369 	unsigned char iv[EVP_MAX_IV_LENGTH];
   370 	} EVP_CIPHER_INFO;
   371 
   372 struct evp_cipher_ctx_st
   373 	{
   374 	const EVP_CIPHER *cipher;
   375 	ENGINE *engine;	/* functional reference if 'cipher' is ENGINE-provided */
   376 	int encrypt;		/* encrypt or decrypt */
   377 	int buf_len;		/* number we have left */
   378 
   379 	unsigned char  oiv[EVP_MAX_IV_LENGTH];	/* original iv */
   380 	unsigned char  iv[EVP_MAX_IV_LENGTH];	/* working iv */
   381 	unsigned char buf[EVP_MAX_BLOCK_LENGTH];/* saved partial block */
   382 	int num;				/* used by cfb/ofb mode */
   383 
   384 	void *app_data;		/* application stuff */
   385 	int key_len;		/* May change for variable length cipher */
   386 	unsigned long flags;	/* Various flags */
   387 	void *cipher_data; /* per EVP data */
   388 	int final_used;
   389 	int block_mask;
   390 	unsigned char final[EVP_MAX_BLOCK_LENGTH];/* possible final block */
   391 	} /* EVP_CIPHER_CTX */;
   392 
   393 typedef struct evp_Encode_Ctx_st
   394 	{
   395 	int num;	/* number saved in a partial encode/decode */
   396 	int length;	/* The length is either the output line length
   397 			 * (in input bytes) or the shortest input line
   398 			 * length that is ok.  Once decoding begins,
   399 			 * the length is adjusted up each time a longer
   400 			 * line is decoded */
   401 	unsigned char enc_data[80];	/* data to encode */
   402 	int line_num;	/* number read on current line */
   403 	int expect_nl;
   404 	} EVP_ENCODE_CTX;
   405 
   406 /* Password based encryption function */
   407 typedef int (EVP_PBE_KEYGEN)(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
   408 		ASN1_TYPE *param, const EVP_CIPHER *cipher,
   409                 const EVP_MD *md, int en_de);
   410 
   411 #ifndef OPENSSL_NO_RSA
   412 #define EVP_PKEY_assign_RSA(pkey,rsa) EVP_PKEY_assign((pkey),EVP_PKEY_RSA,\
   413 					(char *)(rsa))
   414 #endif
   415 
   416 #ifndef OPENSSL_NO_DSA
   417 #define EVP_PKEY_assign_DSA(pkey,dsa) EVP_PKEY_assign((pkey),EVP_PKEY_DSA,\
   418 					(char *)(dsa))
   419 #endif
   420 
   421 #ifndef OPENSSL_NO_DH
   422 #define EVP_PKEY_assign_DH(pkey,dh) EVP_PKEY_assign((pkey),EVP_PKEY_DH,\
   423 					(char *)(dh))
   424 #endif
   425 
   426 #ifndef OPENSSL_NO_EC
   427 #define EVP_PKEY_assign_EC_KEY(pkey,eckey) EVP_PKEY_assign((pkey),EVP_PKEY_EC,\
   428                                         (char *)(eckey))
   429 #endif
   430 
   431 /* Add some extra combinations */
   432 #define EVP_get_digestbynid(a) EVP_get_digestbyname(OBJ_nid2sn(a))
   433 #define EVP_get_digestbyobj(a) EVP_get_digestbynid(OBJ_obj2nid(a))
   434 #define EVP_get_cipherbynid(a) EVP_get_cipherbyname(OBJ_nid2sn(a))
   435 #define EVP_get_cipherbyobj(a) EVP_get_cipherbynid(OBJ_obj2nid(a))
   436 
   437 int EVP_MD_type(const EVP_MD *md);
   438 #define EVP_MD_nid(e)			EVP_MD_type(e)
   439 #define EVP_MD_name(e)			OBJ_nid2sn(EVP_MD_nid(e))
   440 int EVP_MD_pkey_type(const EVP_MD *md);	
   441 int EVP_MD_size(const EVP_MD *md);
   442 int EVP_MD_block_size(const EVP_MD *md);
   443 
   444 const EVP_MD * EVP_MD_CTX_md(const EVP_MD_CTX *ctx);
   445 #define EVP_MD_CTX_size(e)		EVP_MD_size(EVP_MD_CTX_md(e))
   446 #define EVP_MD_CTX_block_size(e)	EVP_MD_block_size(EVP_MD_CTX_md(e))
   447 #define EVP_MD_CTX_type(e)		EVP_MD_type(EVP_MD_CTX_md(e))
   448 
   449 int EVP_CIPHER_nid(const EVP_CIPHER *cipher);
   450 #define EVP_CIPHER_name(e)		OBJ_nid2sn(EVP_CIPHER_nid(e))
   451 int EVP_CIPHER_block_size(const EVP_CIPHER *cipher);
   452 int EVP_CIPHER_key_length(const EVP_CIPHER *cipher);
   453 int EVP_CIPHER_iv_length(const EVP_CIPHER *cipher);
   454 unsigned long EVP_CIPHER_flags(const EVP_CIPHER *cipher);
   455 #define EVP_CIPHER_mode(e)		(EVP_CIPHER_flags(e) & EVP_CIPH_MODE)
   456 
   457 const EVP_CIPHER * EVP_CIPHER_CTX_cipher(const EVP_CIPHER_CTX *ctx);
   458 int EVP_CIPHER_CTX_nid(const EVP_CIPHER_CTX *ctx);
   459 int EVP_CIPHER_CTX_block_size(const EVP_CIPHER_CTX *ctx);
   460 int EVP_CIPHER_CTX_key_length(const EVP_CIPHER_CTX *ctx);
   461 int EVP_CIPHER_CTX_iv_length(const EVP_CIPHER_CTX *ctx);
   462 void * EVP_CIPHER_CTX_get_app_data(const EVP_CIPHER_CTX *ctx);
   463 void EVP_CIPHER_CTX_set_app_data(EVP_CIPHER_CTX *ctx, void *data);
   464 #define EVP_CIPHER_CTX_type(c)         EVP_CIPHER_type(EVP_CIPHER_CTX_cipher(c))
   465 unsigned long EVP_CIPHER_CTX_flags(const EVP_CIPHER_CTX *ctx);
   466 #define EVP_CIPHER_CTX_mode(e)		(EVP_CIPHER_CTX_flags(e) & EVP_CIPH_MODE)
   467 
   468 #define EVP_ENCODE_LENGTH(l)	(((l+2)/3*4)+(l/48+1)*2+80)
   469 #define EVP_DECODE_LENGTH(l)	((l+3)/4*3+80)
   470 
   471 #define EVP_SignInit_ex(a,b,c)		EVP_DigestInit_ex(a,b,c)
   472 #define EVP_SignInit(a,b)		EVP_DigestInit(a,b)
   473 #define EVP_SignUpdate(a,b,c)		EVP_DigestUpdate(a,b,c)
   474 #define	EVP_VerifyInit_ex(a,b,c)	EVP_DigestInit_ex(a,b,c)
   475 #define	EVP_VerifyInit(a,b)		EVP_DigestInit(a,b)
   476 #define	EVP_VerifyUpdate(a,b,c)		EVP_DigestUpdate(a,b,c)
   477 #define EVP_OpenUpdate(a,b,c,d,e)	EVP_DecryptUpdate(a,b,c,d,e)
   478 #define EVP_SealUpdate(a,b,c,d,e)	EVP_EncryptUpdate(a,b,c,d,e)	
   479 
   480 #ifdef CONST_STRICT
   481 IMPORT_C void BIO_set_md(BIO *,const EVP_MD *md);
   482 #else
   483 # define BIO_set_md(b,md)		BIO_ctrl(b,BIO_C_SET_MD,0,(char *)md)
   484 #endif
   485 #define BIO_get_md(b,mdp)		BIO_ctrl(b,BIO_C_GET_MD,0,(char *)mdp)
   486 #define BIO_get_md_ctx(b,mdcp)     BIO_ctrl(b,BIO_C_GET_MD_CTX,0,(char *)mdcp)
   487 #define BIO_set_md_ctx(b,mdcp)     BIO_ctrl(b,BIO_C_SET_MD_CTX,0,(char *)mdcp)
   488 #define BIO_get_cipher_status(b)	BIO_ctrl(b,BIO_C_GET_CIPHER_STATUS,0,NULL)
   489 #define BIO_get_cipher_ctx(b,c_pp)	BIO_ctrl(b,BIO_C_GET_CIPHER_CTX,0,(char *)c_pp)
   490 
   491 int EVP_Cipher(EVP_CIPHER_CTX *c,
   492 		unsigned char *out,
   493 		const unsigned char *in,
   494 		unsigned int inl);
   495 
   496 #define EVP_add_cipher_alias(n,alias) \
   497 	OBJ_NAME_add((alias),OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS,(n))
   498 #define EVP_add_digest_alias(n,alias) \
   499 	OBJ_NAME_add((alias),OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,(n))
   500 #define EVP_delete_cipher_alias(alias) \
   501 	OBJ_NAME_remove(alias,OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS);
   502 #define EVP_delete_digest_alias(alias) \
   503 	OBJ_NAME_remove(alias,OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS);
   504 
   505 IMPORT_C void	EVP_MD_CTX_init(EVP_MD_CTX *ctx);
   506 IMPORT_C int	EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx);
   507 IMPORT_C EVP_MD_CTX *EVP_MD_CTX_create(void);
   508 IMPORT_C void	EVP_MD_CTX_destroy(EVP_MD_CTX *ctx);
   509 IMPORT_C int     EVP_MD_CTX_copy_ex(EVP_MD_CTX *out,const EVP_MD_CTX *in);  
   510 IMPORT_C void	EVP_MD_CTX_set_flags(EVP_MD_CTX *ctx, int flags);
   511 IMPORT_C void	EVP_MD_CTX_clear_flags(EVP_MD_CTX *ctx, int flags);
   512 IMPORT_C int 	EVP_MD_CTX_test_flags(const EVP_MD_CTX *ctx,int flags);
   513 IMPORT_C int	EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl);
   514 IMPORT_C int	EVP_DigestUpdate(EVP_MD_CTX *ctx,const void *d,
   515 			 size_t cnt);
   516 IMPORT_C int	EVP_DigestFinal_ex(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s);
   517 IMPORT_C int	EVP_Digest(const void *data, size_t count,
   518 		unsigned char *md, unsigned int *size, const EVP_MD *type, ENGINE *impl);
   519 
   520 IMPORT_C int     EVP_MD_CTX_copy(EVP_MD_CTX *out,const EVP_MD_CTX *in);  
   521 IMPORT_C int	EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type);
   522 IMPORT_C int	EVP_DigestFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s);
   523 
   524 IMPORT_C int	EVP_read_pw_string(char *buf,int length,const char *prompt,int verify);
   525 IMPORT_C void	EVP_set_pw_prompt(const char *prompt);
   526 IMPORT_C char *	EVP_get_pw_prompt(void);
   527 
   528 IMPORT_C int	EVP_BytesToKey(const EVP_CIPHER *type,const EVP_MD *md,
   529 		const unsigned char *salt, const unsigned char *data,
   530 		int datal, int count, unsigned char *key,unsigned char *iv);
   531 
   532 IMPORT_C int	EVP_EncryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher,
   533 		const unsigned char *key, const unsigned char *iv);
   534 IMPORT_C int	EVP_EncryptInit_ex(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher, ENGINE *impl,
   535 		const unsigned char *key, const unsigned char *iv);
   536 IMPORT_C int	EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
   537 		int *outl, const unsigned char *in, int inl);
   538 IMPORT_C int	EVP_EncryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
   539 IMPORT_C int	EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
   540 
   541 IMPORT_C int	EVP_DecryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher,
   542 		const unsigned char *key, const unsigned char *iv);
   543 IMPORT_C int	EVP_DecryptInit_ex(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher, ENGINE *impl,
   544 		const unsigned char *key, const unsigned char *iv);
   545 IMPORT_C int	EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
   546 		int *outl, const unsigned char *in, int inl);
   547 IMPORT_C int	EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
   548 IMPORT_C int	EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
   549 
   550 IMPORT_C int	EVP_CipherInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher,
   551 		       const unsigned char *key,const unsigned char *iv,
   552 		       int enc);
   553 IMPORT_C int	EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher, ENGINE *impl,
   554 		       const unsigned char *key,const unsigned char *iv,
   555 		       int enc);
   556 IMPORT_C int	EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
   557 		int *outl, const unsigned char *in, int inl);
   558 IMPORT_C int	EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
   559 IMPORT_C int	EVP_CipherFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
   560 
   561 IMPORT_C int	EVP_SignFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s,
   562 		EVP_PKEY *pkey);
   563 
   564 IMPORT_C int	EVP_VerifyFinal(EVP_MD_CTX *ctx,const unsigned char *sigbuf,
   565 		unsigned int siglen,EVP_PKEY *pkey);
   566 
   567 IMPORT_C int	EVP_OpenInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
   568 		const unsigned char *ek, int ekl, const unsigned char *iv,
   569 		EVP_PKEY *priv);
   570 IMPORT_C int	EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
   571 
   572 IMPORT_C int	EVP_SealInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,
   573 		 unsigned char **ek, int *ekl, unsigned char *iv,
   574 		EVP_PKEY **pubk, int npubk);
   575 IMPORT_C int	EVP_SealFinal(EVP_CIPHER_CTX *ctx,unsigned char *out,int *outl);
   576 
   577 IMPORT_C void	EVP_EncodeInit(EVP_ENCODE_CTX *ctx);
   578 IMPORT_C void	EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl,
   579 		const unsigned char *in,int inl);
   580 IMPORT_C void	EVP_EncodeFinal(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl);
   581 IMPORT_C int	EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int n);
   582 
   583 IMPORT_C void	EVP_DecodeInit(EVP_ENCODE_CTX *ctx);
   584 IMPORT_C int	EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl,
   585 		const unsigned char *in, int inl);
   586 IMPORT_C int	EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned
   587 		char *out, int *outl);
   588 IMPORT_C int	EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n);
   589 
   590 IMPORT_C void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *a);
   591 IMPORT_C int EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *a);
   592 IMPORT_C EVP_CIPHER_CTX *EVP_CIPHER_CTX_new(void);
   593 IMPORT_C void EVP_CIPHER_CTX_free(EVP_CIPHER_CTX *a);
   594 IMPORT_C int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *x, int keylen);
   595 IMPORT_C int EVP_CIPHER_CTX_set_padding(EVP_CIPHER_CTX *c, int pad);
   596 IMPORT_C int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr);
   597 IMPORT_C int EVP_CIPHER_CTX_rand_key(EVP_CIPHER_CTX *ctx, unsigned char *key);
   598 
   599 #ifndef OPENSSL_NO_BIO
   600 IMPORT_C BIO_METHOD *BIO_f_md(void);
   601 IMPORT_C BIO_METHOD *BIO_f_base64(void);
   602 IMPORT_C BIO_METHOD *BIO_f_cipher(void);
   603 IMPORT_C BIO_METHOD *BIO_f_reliable(void);
   604 IMPORT_C void BIO_set_cipher(BIO *b,const EVP_CIPHER *c,const unsigned char *k,
   605 		const unsigned char *i, int enc);
   606 #endif
   607 
   608 IMPORT_C const EVP_MD *EVP_md_null(void);
   609 #ifndef OPENSSL_NO_MD2
   610 IMPORT_C const EVP_MD *EVP_md2(void);
   611 #endif
   612 #ifndef OPENSSL_NO_MD5
   613 IMPORT_C const EVP_MD *EVP_md5(void);
   614 #endif
   615 #ifndef OPENSSL_NO_SHA
   616 IMPORT_C const EVP_MD *EVP_sha(void);
   617 IMPORT_C const EVP_MD *EVP_sha1(void);
   618 IMPORT_C const EVP_MD *EVP_dss(void);
   619 IMPORT_C const EVP_MD *EVP_dss1(void);
   620 #endif
   621 #ifndef OPENSSL_NO_SHA256
   622 IMPORT_C const EVP_MD *EVP_sha224(void);
   623 IMPORT_C const EVP_MD *EVP_sha256(void);
   624 #endif
   625 #ifndef OPENSSL_NO_SHA512
   626 IMPORT_C const EVP_MD *EVP_sha384(void);
   627 IMPORT_C const EVP_MD *EVP_sha512(void);
   628 #endif
   629 IMPORT_C const EVP_CIPHER *EVP_enc_null(void);		/* does nothing :-) */
   630 #ifndef OPENSSL_NO_DES
   631 IMPORT_C const EVP_CIPHER *EVP_des_ecb(void);
   632 IMPORT_C const EVP_CIPHER *EVP_des_ede(void);
   633 IMPORT_C const EVP_CIPHER *EVP_des_ede3(void);
   634 IMPORT_C const EVP_CIPHER *EVP_des_ede_ecb(void);
   635 IMPORT_C const EVP_CIPHER *EVP_des_ede3_ecb(void);
   636 IMPORT_C const EVP_CIPHER *EVP_des_cfb64(void);
   637 # define EVP_des_cfb EVP_des_cfb64
   638 IMPORT_C const EVP_CIPHER *EVP_des_cfb1(void);
   639 IMPORT_C const EVP_CIPHER *EVP_des_cfb8(void);
   640 IMPORT_C const EVP_CIPHER *EVP_des_ede_cfb64(void);
   641 # define EVP_des_ede_cfb EVP_des_ede_cfb64
   642 #if 0
   643 IMPORT_C const EVP_CIPHER *EVP_des_ede_cfb1(void);
   644 IMPORT_C const EVP_CIPHER *EVP_des_ede_cfb8(void);
   645 #endif
   646 IMPORT_C const EVP_CIPHER *EVP_des_ede3_cfb64(void);
   647 # define EVP_des_ede3_cfb EVP_des_ede3_cfb64
   648 IMPORT_C const EVP_CIPHER *EVP_des_ede3_cfb1(void);
   649 IMPORT_C const EVP_CIPHER *EVP_des_ede3_cfb8(void);
   650 IMPORT_C const EVP_CIPHER *EVP_des_ofb(void);
   651 IMPORT_C const EVP_CIPHER *EVP_des_ede_ofb(void);
   652 IMPORT_C const EVP_CIPHER *EVP_des_ede3_ofb(void);
   653 IMPORT_C const EVP_CIPHER *EVP_des_cbc(void);
   654 IMPORT_C const EVP_CIPHER *EVP_des_ede_cbc(void);
   655 IMPORT_C const EVP_CIPHER *EVP_des_ede3_cbc(void);
   656 IMPORT_C const EVP_CIPHER *EVP_desx_cbc(void);
   657 /* This should now be supported through the dev_crypto ENGINE. But also, why are
   658  * rc4 and md5 declarations made here inside a "NO_DES" precompiler branch? */
   659 #if 0
   660 # ifdef OPENSSL_OPENBSD_DEV_CRYPTO
   661 IMPORT_C const EVP_CIPHER *EVP_dev_crypto_des_ede3_cbc(void);
   662 IMPORT_C const EVP_CIPHER *EVP_dev_crypto_rc4(void);
   663 IMPORT_C const EVP_MD *EVP_dev_crypto_md5(void);
   664 # endif
   665 #endif
   666 #endif
   667 #ifndef OPENSSL_NO_RC4
   668 IMPORT_C const EVP_CIPHER *EVP_rc4(void);
   669 IMPORT_C const EVP_CIPHER *EVP_rc4_40(void);
   670 #endif
   671 #ifndef OPENSSL_NO_RC2
   672 IMPORT_C const EVP_CIPHER *EVP_rc2_ecb(void);
   673 IMPORT_C const EVP_CIPHER *EVP_rc2_cbc(void);
   674 IMPORT_C const EVP_CIPHER *EVP_rc2_40_cbc(void);
   675 IMPORT_C const EVP_CIPHER *EVP_rc2_64_cbc(void);
   676 IMPORT_C const EVP_CIPHER *EVP_rc2_cfb64(void);
   677 # define EVP_rc2_cfb EVP_rc2_cfb64
   678 IMPORT_C const EVP_CIPHER *EVP_rc2_ofb(void);
   679 #endif
   680 #ifndef OPENSSL_NO_AES
   681 IMPORT_C const EVP_CIPHER *EVP_aes_128_ecb(void);
   682 IMPORT_C const EVP_CIPHER *EVP_aes_128_cbc(void);
   683 IMPORT_C const EVP_CIPHER *EVP_aes_128_cfb1(void);
   684 IMPORT_C const EVP_CIPHER *EVP_aes_128_cfb8(void);
   685 IMPORT_C const EVP_CIPHER *EVP_aes_128_cfb128(void);
   686 # define EVP_aes_128_cfb EVP_aes_128_cfb128
   687 IMPORT_C const EVP_CIPHER *EVP_aes_128_ofb(void);
   688 #if 0
   689 IMPORT_C const EVP_CIPHER *EVP_aes_128_ctr(void);
   690 #endif
   691 IMPORT_C const EVP_CIPHER *EVP_aes_192_ecb(void);
   692 IMPORT_C const EVP_CIPHER *EVP_aes_192_cbc(void);
   693 IMPORT_C const EVP_CIPHER *EVP_aes_192_cfb1(void);
   694 IMPORT_C const EVP_CIPHER *EVP_aes_192_cfb8(void);
   695 IMPORT_C const EVP_CIPHER *EVP_aes_192_cfb128(void);
   696 # define EVP_aes_192_cfb EVP_aes_192_cfb128
   697 IMPORT_C const EVP_CIPHER *EVP_aes_192_ofb(void);
   698 #if 0
   699 IMPORT_C const EVP_CIPHER *EVP_aes_192_ctr(void);
   700 #endif
   701 IMPORT_C const EVP_CIPHER *EVP_aes_256_ecb(void);
   702 IMPORT_C const EVP_CIPHER *EVP_aes_256_cbc(void);
   703 IMPORT_C const EVP_CIPHER *EVP_aes_256_cfb1(void);
   704 IMPORT_C const EVP_CIPHER *EVP_aes_256_cfb8(void);
   705 IMPORT_C const EVP_CIPHER *EVP_aes_256_cfb128(void);
   706 # define EVP_aes_256_cfb EVP_aes_256_cfb128
   707 IMPORT_C const EVP_CIPHER *EVP_aes_256_ofb(void);
   708 #if 0
   709 IMPORT_C const EVP_CIPHER *EVP_aes_256_ctr(void);
   710 #endif
   711 #endif
   712 
   713 IMPORT_C void OPENSSL_add_all_algorithms_noconf(void);
   714 IMPORT_C void OPENSSL_add_all_algorithms_conf(void);
   715 
   716 #ifdef OPENSSL_LOAD_CONF
   717 #define OpenSSL_add_all_algorithms() \
   718 		OPENSSL_add_all_algorithms_conf()
   719 #else
   720 #define OpenSSL_add_all_algorithms() \
   721 		OPENSSL_add_all_algorithms_noconf()
   722 #endif
   723 
   724 IMPORT_C void OpenSSL_add_all_ciphers(void);
   725 IMPORT_C void OpenSSL_add_all_digests(void);
   726 #define SSLeay_add_all_algorithms() OpenSSL_add_all_algorithms()
   727 #define SSLeay_add_all_ciphers() OpenSSL_add_all_ciphers()
   728 #define SSLeay_add_all_digests() OpenSSL_add_all_digests()
   729 
   730 IMPORT_C int EVP_add_cipher(const EVP_CIPHER *cipher);
   731 IMPORT_C int EVP_add_digest(const EVP_MD *digest);
   732 
   733 IMPORT_C const EVP_CIPHER *EVP_get_cipherbyname(const char *name);
   734 IMPORT_C const EVP_MD *EVP_get_digestbyname(const char *name);
   735 IMPORT_C void EVP_cleanup(void);
   736 
   737 IMPORT_C int		EVP_PKEY_decrypt(unsigned char *dec_key,
   738 			const unsigned char *enc_key,int enc_key_len,
   739 			EVP_PKEY *private_key);
   740 IMPORT_C int		EVP_PKEY_encrypt(unsigned char *enc_key,
   741 			const unsigned char *key,int key_len,
   742 			EVP_PKEY *pub_key);
   743 IMPORT_C int		EVP_PKEY_type(int type);
   744 IMPORT_C int		EVP_PKEY_bits(EVP_PKEY *pkey);
   745 IMPORT_C int		EVP_PKEY_size(EVP_PKEY *pkey);
   746 IMPORT_C int 		EVP_PKEY_assign(EVP_PKEY *pkey,int type,char *key);
   747 
   748 #ifndef OPENSSL_NO_RSA
   749 struct rsa_st;
   750 IMPORT_C int EVP_PKEY_set1_RSA(EVP_PKEY *pkey,struct rsa_st *key);
   751 IMPORT_C struct rsa_st *EVP_PKEY_get1_RSA(EVP_PKEY *pkey);
   752 #endif
   753 #ifndef OPENSSL_NO_DSA
   754 struct dsa_st;
   755 IMPORT_C int EVP_PKEY_set1_DSA(EVP_PKEY *pkey,struct dsa_st *key);
   756 IMPORT_C struct dsa_st *EVP_PKEY_get1_DSA(EVP_PKEY *pkey);
   757 #endif
   758 #ifndef OPENSSL_NO_DH
   759 struct dh_st;
   760 IMPORT_C int EVP_PKEY_set1_DH(EVP_PKEY *pkey,struct dh_st *key);
   761 IMPORT_C struct dh_st *EVP_PKEY_get1_DH(EVP_PKEY *pkey);
   762 #endif
   763 
   764 IMPORT_C EVP_PKEY *	EVP_PKEY_new(void);
   765 IMPORT_C void		EVP_PKEY_free(EVP_PKEY *pkey);
   766 
   767 IMPORT_C EVP_PKEY *	d2i_PublicKey(int type,EVP_PKEY **a, const unsigned char **pp,
   768 			long length);
   769 IMPORT_C int		i2d_PublicKey(EVP_PKEY *a, unsigned char **pp);
   770 
   771 IMPORT_C EVP_PKEY *	d2i_PrivateKey(int type,EVP_PKEY **a, const unsigned char **pp,
   772 			long length);
   773 IMPORT_C EVP_PKEY *	d2i_AutoPrivateKey(EVP_PKEY **a, const unsigned char **pp,
   774 			long length);
   775 IMPORT_C int		i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp);
   776 
   777 IMPORT_C int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from);
   778 IMPORT_C int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey);
   779 IMPORT_C int EVP_PKEY_save_parameters(EVP_PKEY *pkey,int mode);
   780 IMPORT_C int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b);
   781 
   782 IMPORT_C int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b);
   783 
   784 IMPORT_C int EVP_CIPHER_type(const EVP_CIPHER *ctx);
   785 IMPORT_C int EVP_CIPHER_block_size(const EVP_CIPHER *e);
   786 IMPORT_C int EVP_CIPHER_CTX_block_size(const EVP_CIPHER_CTX *ctx);
   787 IMPORT_C int EVP_Cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl);
   788 IMPORT_C const EVP_CIPHER *EVP_CIPHER_CTX_cipher(const EVP_CIPHER_CTX *ctx);
   789 IMPORT_C unsigned long EVP_CIPHER_flags(const EVP_CIPHER *cipher);
   790 IMPORT_C unsigned long EVP_CIPHER_CTX_flags(const EVP_CIPHER_CTX *ctx);
   791 IMPORT_C void *EVP_CIPHER_CTX_get_app_data(const EVP_CIPHER_CTX *ctx);
   792 IMPORT_C void EVP_CIPHER_CTX_set_app_data(EVP_CIPHER_CTX *ctx, void *data);
   793 IMPORT_C int EVP_CIPHER_iv_length(const EVP_CIPHER *cipher);
   794 IMPORT_C int EVP_CIPHER_CTX_iv_length(const EVP_CIPHER_CTX *ctx);
   795 IMPORT_C int EVP_CIPHER_key_length(const EVP_CIPHER *cipher);
   796 IMPORT_C int EVP_CIPHER_CTX_key_length(const EVP_CIPHER_CTX *ctx);
   797 IMPORT_C int EVP_CIPHER_nid(const EVP_CIPHER *cipher);
   798 IMPORT_C int EVP_CIPHER_CTX_nid(const EVP_CIPHER_CTX *ctx);
   799 IMPORT_C int EVP_MD_block_size(const EVP_MD *md) ;
   800 IMPORT_C int EVP_MD_type(const EVP_MD *md);
   801 IMPORT_C int EVP_MD_pkey_type(const EVP_MD *md);
   802 IMPORT_C int EVP_MD_size(const EVP_MD *md);
   803 IMPORT_C const EVP_MD * EVP_MD_CTX_md(const EVP_MD_CTX *ctx);
   804 IMPORT_C void EVP_MD_CTX_set_flags(EVP_MD_CTX *ctx, int flags);
   805 IMPORT_C void EVP_MD_CTX_clear_flags(EVP_MD_CTX *ctx, int flags);
   806 IMPORT_C int EVP_MD_CTX_test_flags(const EVP_MD_CTX *ctx, int flags);
   807 
   808 /* calls methods */
   809 IMPORT_C int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
   810 IMPORT_C int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
   811 
   812 /* These are used by EVP_CIPHER methods */
   813 IMPORT_C int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type);
   814 IMPORT_C int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type);
   815 
   816 /* PKCS5 password based encryption */
   817 IMPORT_C int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
   818 			 ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md,
   819 			 int en_de);
   820 IMPORT_C int PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen,
   821 			   const unsigned char *salt, int saltlen, int iter,
   822 			   int keylen, unsigned char *out);
   823 IMPORT_C int PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
   824 			 ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md,
   825 			 int en_de);
   826 
   827 IMPORT_C void PKCS5_PBE_add(void);
   828 
   829 IMPORT_C int EVP_PBE_CipherInit (ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
   830 	     ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de);
   831 IMPORT_C int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md,
   832 		    EVP_PBE_KEYGEN *keygen);
   833 IMPORT_C void EVP_PBE_cleanup(void);
   834 
   835 /* BEGIN ERROR CODES */
   836 /* The following lines are auto generated by the script mkerr.pl. Any changes
   837  * made after this point may be overwritten when the script is next run.
   838  */
   839 IMPORT_C void ERR_load_EVP_strings(void);
   840 
   841 /* Error codes for the EVP functions. */
   842 
   843 /* Function codes. */
   844 #define EVP_F_AES_INIT_KEY				 133
   845 #define EVP_F_D2I_PKEY					 100
   846 #define EVP_F_DSAPKEY2PKCS8				 134
   847 #define EVP_F_DSA_PKEY2PKCS8				 135
   848 #define EVP_F_ECDSA_PKEY2PKCS8				 129
   849 #define EVP_F_ECKEY_PKEY2PKCS8				 132
   850 #define EVP_F_EVP_CIPHERINIT_EX				 123
   851 #define EVP_F_EVP_CIPHER_CTX_CTRL			 124
   852 #define EVP_F_EVP_CIPHER_CTX_SET_KEY_LENGTH		 122
   853 #define EVP_F_EVP_DECRYPTFINAL_EX			 101
   854 #define EVP_F_EVP_DIGESTINIT_EX				 128
   855 #define EVP_F_EVP_ENCRYPTFINAL_EX			 127
   856 #define EVP_F_EVP_MD_CTX_COPY_EX			 110
   857 #define EVP_F_EVP_OPENINIT				 102
   858 #define EVP_F_EVP_PBE_ALG_ADD				 115
   859 #define EVP_F_EVP_PBE_CIPHERINIT			 116
   860 #define EVP_F_EVP_PKCS82PKEY				 111
   861 #define EVP_F_EVP_PKEY2PKCS8_BROKEN			 113
   862 #define EVP_F_EVP_PKEY_COPY_PARAMETERS			 103
   863 #define EVP_F_EVP_PKEY_DECRYPT				 104
   864 #define EVP_F_EVP_PKEY_ENCRYPT				 105
   865 #define EVP_F_EVP_PKEY_GET1_DH				 119
   866 #define EVP_F_EVP_PKEY_GET1_DSA				 120
   867 #define EVP_F_EVP_PKEY_GET1_ECDSA			 130
   868 #define EVP_F_EVP_PKEY_GET1_EC_KEY			 131
   869 #define EVP_F_EVP_PKEY_GET1_RSA				 121
   870 #define EVP_F_EVP_PKEY_NEW				 106
   871 #define EVP_F_EVP_RIJNDAEL				 126
   872 #define EVP_F_EVP_SIGNFINAL				 107
   873 #define EVP_F_EVP_VERIFYFINAL				 108
   874 #define EVP_F_PKCS5_PBE_KEYIVGEN			 117
   875 #define EVP_F_PKCS5_V2_PBE_KEYIVGEN			 118
   876 #define EVP_F_PKCS8_SET_BROKEN				 112
   877 #define EVP_F_RC2_MAGIC_TO_METH				 109
   878 #define EVP_F_RC5_CTRL					 125
   879 
   880 /* Reason codes. */
   881 #define EVP_R_AES_KEY_SETUP_FAILED			 143
   882 #define EVP_R_ASN1_LIB					 140
   883 #define EVP_R_BAD_BLOCK_LENGTH				 136
   884 #define EVP_R_BAD_DECRYPT				 100
   885 #define EVP_R_BAD_KEY_LENGTH				 137
   886 #define EVP_R_BN_DECODE_ERROR				 112
   887 #define EVP_R_BN_PUBKEY_ERROR				 113
   888 #define EVP_R_CIPHER_PARAMETER_ERROR			 122
   889 #define EVP_R_CTRL_NOT_IMPLEMENTED			 132
   890 #define EVP_R_CTRL_OPERATION_NOT_IMPLEMENTED		 133
   891 #define EVP_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH		 138
   892 #define EVP_R_DECODE_ERROR				 114
   893 #define EVP_R_DIFFERENT_KEY_TYPES			 101
   894 #define EVP_R_ENCODE_ERROR				 115
   895 #define EVP_R_EVP_PBE_CIPHERINIT_ERROR			 119
   896 #define EVP_R_EXPECTING_AN_RSA_KEY			 127
   897 #define EVP_R_EXPECTING_A_DH_KEY			 128
   898 #define EVP_R_EXPECTING_A_DSA_KEY			 129
   899 #define EVP_R_EXPECTING_A_ECDSA_KEY			 141
   900 #define EVP_R_EXPECTING_A_EC_KEY			 142
   901 #define EVP_R_INITIALIZATION_ERROR			 134
   902 #define EVP_R_INPUT_NOT_INITIALIZED			 111
   903 #define EVP_R_INVALID_KEY_LENGTH			 130
   904 #define EVP_R_IV_TOO_LARGE				 102
   905 #define EVP_R_KEYGEN_FAILURE				 120
   906 #define EVP_R_MISSING_PARAMETERS			 103
   907 #define EVP_R_NO_CIPHER_SET				 131
   908 #define EVP_R_NO_DIGEST_SET				 139
   909 #define EVP_R_NO_DSA_PARAMETERS				 116
   910 #define EVP_R_NO_SIGN_FUNCTION_CONFIGURED		 104
   911 #define EVP_R_NO_VERIFY_FUNCTION_CONFIGURED		 105
   912 #define EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE			 117
   913 #define EVP_R_PUBLIC_KEY_NOT_RSA			 106
   914 #define EVP_R_UNKNOWN_PBE_ALGORITHM			 121
   915 #define EVP_R_UNSUPORTED_NUMBER_OF_ROUNDS		 135
   916 #define EVP_R_UNSUPPORTED_CIPHER			 107
   917 #define EVP_R_UNSUPPORTED_KEYLENGTH			 123
   918 #define EVP_R_UNSUPPORTED_KEY_DERIVATION_FUNCTION	 124
   919 #define EVP_R_UNSUPPORTED_KEY_SIZE			 108
   920 #define EVP_R_UNSUPPORTED_PRF				 125
   921 #define EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM		 118
   922 #define EVP_R_UNSUPPORTED_SALT_TYPE			 126
   923 #define EVP_R_WRONG_FINAL_BLOCK_LENGTH			 109
   924 #define EVP_R_WRONG_PUBLIC_KEY_TYPE			 110
   925 
   926 #ifdef  __cplusplus
   927 }
   928 #endif
   929 #endif