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1 /* crypto/evp/evp.h */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3  * All rights reserved.
4  *
5  * This package is an SSL implementation written
6  * by Eric Young (eay@cryptsoft.com).
7  * The implementation was written so as to conform with Netscapes SSL.
8  *
9  * This library is free for commercial and non-commercial use as long as
10  * the following conditions are aheared to.  The following conditions
11  * apply to all code found in this distribution, be it the RC4, RSA,
12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
13  * included with this distribution is covered by the same copyright terms
14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15  *
16  * Copyright remains Eric Young's, and as such any Copyright notices in
17  * the code are not to be removed.
18  * If this package is used in a product, Eric Young should be given attribution
19  * as the author of the parts of the library used.
20  * This can be in the form of a textual message at program startup or
21  * in documentation (online or textual) provided with the package.
22  *
23  * Redistribution and use in source and binary forms, with or without
24  * modification, are permitted provided that the following conditions
25  * are met:
26  * 1. Redistributions of source code must retain the copyright
27  *    notice, this list of conditions and the following disclaimer.
28  * 2. Redistributions in binary form must reproduce the above copyright
29  *    notice, this list of conditions and the following disclaimer in the
30  *    documentation and/or other materials provided with the distribution.
31  * 3. All advertising materials mentioning features or use of this software
32  *    must display the following acknowledgement:
33  *    "This product includes cryptographic software written by
34  *     Eric Young (eay@cryptsoft.com)"
35  *    The word 'cryptographic' can be left out if the rouines from the library
36  *    being used are not cryptographic related :-).
37  * 4. If you include any Windows specific code (or a derivative thereof) from
38  *    the apps directory (application code) you must include an acknowledgement:
39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40  *
41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51  * SUCH DAMAGE.
52  *
53  * The licence and distribution terms for any publically available version or
54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
55  * copied and put under another distribution licence
56  * [including the GNU Public Licence.]
57  */
58 
59 #ifndef HEADER_ENVELOPE_H
60 #define HEADER_ENVELOPE_H
61 
62 #ifdef OPENSSL_ALGORITHM_DEFINES
63 # include <openssl/opensslconf.h>
64 #else
65 # define OPENSSL_ALGORITHM_DEFINES
66 # include <openssl/opensslconf.h>
67 # undef OPENSSL_ALGORITHM_DEFINES
68 #endif
69 
70 #include <openssl/ossl_typ.h>
71 
72 #include <openssl/symhacks.h>
73 
74 #ifndef OPENSSL_NO_BIO
75 #include <openssl/bio.h>
76 #endif
77 
78 /*
79 #define EVP_RC2_KEY_SIZE		16
80 #define EVP_RC4_KEY_SIZE		16
81 #define EVP_BLOWFISH_KEY_SIZE		16
82 #define EVP_CAST5_KEY_SIZE		16
83 #define EVP_RC5_32_12_16_KEY_SIZE	16
84 */
85 #define EVP_MAX_MD_SIZE			64	/* longest known is SHA512 */
86 #define EVP_MAX_KEY_LENGTH		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 
406 typedef struct evp_cipher_info_st
407 	{
408 	const EVP_CIPHER *cipher;
409 	unsigned char iv[EVP_MAX_IV_LENGTH];
410 	} EVP_CIPHER_INFO;
411 
412 struct evp_cipher_ctx_st
413 	{
414 	const EVP_CIPHER *cipher;
415 	ENGINE *engine;	/* functional reference if 'cipher' is ENGINE-provided */
416 	int encrypt;		/* encrypt or decrypt */
417 	int buf_len;		/* number we have left */
418 
419 	unsigned char  oiv[EVP_MAX_IV_LENGTH];	/* original iv */
420 	unsigned char  iv[EVP_MAX_IV_LENGTH];	/* working iv */
421 	unsigned char buf[EVP_MAX_BLOCK_LENGTH];/* saved partial block */
422 	int num;				/* used by cfb/ofb/ctr mode */
423 
424 	void *app_data;		/* application stuff */
425 	int key_len;		/* May change for variable length cipher */
426 	unsigned long flags;	/* Various flags */
427 	void *cipher_data; /* per EVP data */
428 	int final_used;
429 	int block_mask;
430 	unsigned char final[EVP_MAX_BLOCK_LENGTH];/* possible final block */
431 	} /* EVP_CIPHER_CTX */;
432 
433 typedef struct evp_Encode_Ctx_st
434 	{
435 	int num;	/* number saved in a partial encode/decode */
436 	int length;	/* The length is either the output line length
437 			 * (in input bytes) or the shortest input line
438 			 * length that is ok.  Once decoding begins,
439 			 * the length is adjusted up each time a longer
440 			 * line is decoded */
441 	unsigned char enc_data[80];	/* data to encode */
442 	int line_num;	/* number read on current line */
443 	int expect_nl;
444 	} EVP_ENCODE_CTX;
445 
446 /* Password based encryption function */
447 typedef int (EVP_PBE_KEYGEN)(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
448 		ASN1_TYPE *param, const EVP_CIPHER *cipher,
449                 const EVP_MD *md, int en_de);
450 
451 #ifndef OPENSSL_NO_RSA
452 #define EVP_PKEY_assign_RSA(pkey,rsa) EVP_PKEY_assign((pkey),EVP_PKEY_RSA,\
453 					(char *)(rsa))
454 #endif
455 
456 #ifndef OPENSSL_NO_DSA
457 #define EVP_PKEY_assign_DSA(pkey,dsa) EVP_PKEY_assign((pkey),EVP_PKEY_DSA,\
458 					(char *)(dsa))
459 #endif
460 
461 #ifndef OPENSSL_NO_DH
462 #define EVP_PKEY_assign_DH(pkey,dh) EVP_PKEY_assign((pkey),EVP_PKEY_DH,\
463 					(char *)(dh))
464 #endif
465 
466 #ifndef OPENSSL_NO_EC
467 #define EVP_PKEY_assign_EC_KEY(pkey,eckey) EVP_PKEY_assign((pkey),EVP_PKEY_EC,\
468                                         (char *)(eckey))
469 #endif
470 
471 /* Add some extra combinations */
472 #define EVP_get_digestbynid(a) EVP_get_digestbyname(OBJ_nid2sn(a))
473 #define EVP_get_digestbyobj(a) EVP_get_digestbynid(OBJ_obj2nid(a))
474 #define EVP_get_cipherbynid(a) EVP_get_cipherbyname(OBJ_nid2sn(a))
475 #define EVP_get_cipherbyobj(a) EVP_get_cipherbynid(OBJ_obj2nid(a))
476 
477 int EVP_MD_type(const EVP_MD *md);
478 #define EVP_MD_nid(e)			EVP_MD_type(e)
479 #define EVP_MD_name(e)			OBJ_nid2sn(EVP_MD_nid(e))
480 int EVP_MD_pkey_type(const EVP_MD *md);
481 int EVP_MD_size(const EVP_MD *md);
482 int EVP_MD_block_size(const EVP_MD *md);
483 unsigned long EVP_MD_flags(const EVP_MD *md);
484 
485 const EVP_MD *EVP_MD_CTX_md(const EVP_MD_CTX *ctx);
486 #define EVP_MD_CTX_size(e)		EVP_MD_size(EVP_MD_CTX_md(e))
487 #define EVP_MD_CTX_block_size(e)	EVP_MD_block_size(EVP_MD_CTX_md(e))
488 #define EVP_MD_CTX_type(e)		EVP_MD_type(EVP_MD_CTX_md(e))
489 
490 int EVP_CIPHER_nid(const EVP_CIPHER *cipher);
491 #define EVP_CIPHER_name(e)		OBJ_nid2sn(EVP_CIPHER_nid(e))
492 int EVP_CIPHER_block_size(const EVP_CIPHER *cipher);
493 int EVP_CIPHER_key_length(const EVP_CIPHER *cipher);
494 int EVP_CIPHER_iv_length(const EVP_CIPHER *cipher);
495 unsigned long EVP_CIPHER_flags(const EVP_CIPHER *cipher);
496 #define EVP_CIPHER_mode(e)		(EVP_CIPHER_flags(e) & EVP_CIPH_MODE)
497 
498 const EVP_CIPHER * EVP_CIPHER_CTX_cipher(const EVP_CIPHER_CTX *ctx);
499 int EVP_CIPHER_CTX_nid(const EVP_CIPHER_CTX *ctx);
500 int EVP_CIPHER_CTX_block_size(const EVP_CIPHER_CTX *ctx);
501 int EVP_CIPHER_CTX_key_length(const EVP_CIPHER_CTX *ctx);
502 int EVP_CIPHER_CTX_iv_length(const EVP_CIPHER_CTX *ctx);
503 int EVP_CIPHER_CTX_copy(EVP_CIPHER_CTX *out, const EVP_CIPHER_CTX *in);
504 void * EVP_CIPHER_CTX_get_app_data(const EVP_CIPHER_CTX *ctx);
505 void EVP_CIPHER_CTX_set_app_data(EVP_CIPHER_CTX *ctx, void *data);
506 #define EVP_CIPHER_CTX_type(c)         EVP_CIPHER_type(EVP_CIPHER_CTX_cipher(c))
507 unsigned long EVP_CIPHER_CTX_flags(const EVP_CIPHER_CTX *ctx);
508 #define EVP_CIPHER_CTX_mode(e)		(EVP_CIPHER_CTX_flags(e) & EVP_CIPH_MODE)
509 
510 #define EVP_ENCODE_LENGTH(l)	(((l+2)/3*4)+(l/48+1)*2+80)
511 #define EVP_DECODE_LENGTH(l)	((l+3)/4*3+80)
512 
513 #define EVP_SignInit_ex(a,b,c)		EVP_DigestInit_ex(a,b,c)
514 #define EVP_SignInit(a,b)		EVP_DigestInit(a,b)
515 #define EVP_SignUpdate(a,b,c)		EVP_DigestUpdate(a,b,c)
516 #define	EVP_VerifyInit_ex(a,b,c)	EVP_DigestInit_ex(a,b,c)
517 #define	EVP_VerifyInit(a,b)		EVP_DigestInit(a,b)
518 #define	EVP_VerifyUpdate(a,b,c)		EVP_DigestUpdate(a,b,c)
519 #define EVP_OpenUpdate(a,b,c,d,e)	EVP_DecryptUpdate(a,b,c,d,e)
520 #define EVP_SealUpdate(a,b,c,d,e)	EVP_EncryptUpdate(a,b,c,d,e)
521 #define EVP_DigestSignUpdate(a,b,c)	EVP_DigestUpdate(a,b,c)
522 #define EVP_DigestVerifyUpdate(a,b,c)	EVP_DigestUpdate(a,b,c)
523 
524 #ifdef CONST_STRICT
525 void BIO_set_md(BIO *,const EVP_MD *md);
526 #else
527 # define BIO_set_md(b,md)		BIO_ctrl(b,BIO_C_SET_MD,0,(char *)md)
528 #endif
529 #define BIO_get_md(b,mdp)		BIO_ctrl(b,BIO_C_GET_MD,0,(char *)mdp)
530 #define BIO_get_md_ctx(b,mdcp)     BIO_ctrl(b,BIO_C_GET_MD_CTX,0,(char *)mdcp)
531 #define BIO_set_md_ctx(b,mdcp)     BIO_ctrl(b,BIO_C_SET_MD_CTX,0,(char *)mdcp)
532 #define BIO_get_cipher_status(b)	BIO_ctrl(b,BIO_C_GET_CIPHER_STATUS,0,NULL)
533 #define BIO_get_cipher_ctx(b,c_pp)	BIO_ctrl(b,BIO_C_GET_CIPHER_CTX,0,(char *)c_pp)
534 
535 int EVP_Cipher(EVP_CIPHER_CTX *c,
536 		unsigned char *out,
537 		const unsigned char *in,
538 		unsigned int inl);
539 
540 #define EVP_add_cipher_alias(n,alias) \
541 	OBJ_NAME_add((alias),OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS,(n))
542 #define EVP_add_digest_alias(n,alias) \
543 	OBJ_NAME_add((alias),OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,(n))
544 #define EVP_delete_cipher_alias(alias) \
545 	OBJ_NAME_remove(alias,OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS);
546 #define EVP_delete_digest_alias(alias) \
547 	OBJ_NAME_remove(alias,OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS);
548 
549 void	EVP_MD_CTX_init(EVP_MD_CTX *ctx);
550 int	EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx);
551 EVP_MD_CTX *EVP_MD_CTX_create(void);
552 void	EVP_MD_CTX_destroy(EVP_MD_CTX *ctx);
553 int     EVP_MD_CTX_copy_ex(EVP_MD_CTX *out,const EVP_MD_CTX *in);
554 void	EVP_MD_CTX_set_flags(EVP_MD_CTX *ctx, int flags);
555 void	EVP_MD_CTX_clear_flags(EVP_MD_CTX *ctx, int flags);
556 int 	EVP_MD_CTX_test_flags(const EVP_MD_CTX *ctx,int flags);
557 int	EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl);
558 int	EVP_DigestUpdate(EVP_MD_CTX *ctx,const void *d,
559 			 size_t cnt);
560 int	EVP_DigestFinal_ex(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s);
561 int	EVP_Digest(const void *data, size_t count,
562 		unsigned char *md, unsigned int *size, const EVP_MD *type, ENGINE *impl);
563 
564 int     EVP_MD_CTX_copy(EVP_MD_CTX *out,const EVP_MD_CTX *in);
565 int	EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type);
566 int	EVP_DigestFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s);
567 
568 int	EVP_read_pw_string(char *buf,int length,const char *prompt,int verify);
569 int	EVP_read_pw_string_min(char *buf,int minlen,int maxlen,const char *prompt,int verify);
570 void	EVP_set_pw_prompt(const char *prompt);
571 char *	EVP_get_pw_prompt(void);
572 
573 int	EVP_BytesToKey(const EVP_CIPHER *type,const EVP_MD *md,
574 		const unsigned char *salt, const unsigned char *data,
575 		int datal, int count, unsigned char *key,unsigned char *iv);
576 
577 void	EVP_CIPHER_CTX_set_flags(EVP_CIPHER_CTX *ctx, int flags);
578 void	EVP_CIPHER_CTX_clear_flags(EVP_CIPHER_CTX *ctx, int flags);
579 int 	EVP_CIPHER_CTX_test_flags(const EVP_CIPHER_CTX *ctx,int flags);
580 
581 int	EVP_EncryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher,
582 		const unsigned char *key, const unsigned char *iv);
583 int	EVP_EncryptInit_ex(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher, ENGINE *impl,
584 		const unsigned char *key, const unsigned char *iv);
585 int	EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
586 		int *outl, const unsigned char *in, int inl);
587 int	EVP_EncryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
588 int	EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
589 
590 int	EVP_DecryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher,
591 		const unsigned char *key, const unsigned char *iv);
592 int	EVP_DecryptInit_ex(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher, ENGINE *impl,
593 		const unsigned char *key, const unsigned char *iv);
594 int	EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
595 		int *outl, const unsigned char *in, int inl);
596 int	EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
597 int	EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
598 
599 int	EVP_CipherInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher,
600 		       const unsigned char *key,const unsigned char *iv,
601 		       int enc);
602 int	EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher, ENGINE *impl,
603 		       const unsigned char *key,const unsigned char *iv,
604 		       int enc);
605 int	EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
606 		int *outl, const unsigned char *in, int inl);
607 int	EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
608 int	EVP_CipherFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
609 
610 int	EVP_SignFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s,
611 		EVP_PKEY *pkey);
612 
613 int	EVP_VerifyFinal(EVP_MD_CTX *ctx,const unsigned char *sigbuf,
614 		unsigned int siglen,EVP_PKEY *pkey);
615 
616 int	EVP_DigestSignInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,
617 			const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey);
618 int	EVP_DigestSignFinal(EVP_MD_CTX *ctx,
619 			unsigned char *sigret, size_t *siglen);
620 
621 int	EVP_DigestVerifyInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,
622 			const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey);
623 int	EVP_DigestVerifyFinal(EVP_MD_CTX *ctx,
624 			unsigned char *sig, size_t siglen);
625 
626 int	EVP_OpenInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
627 		const unsigned char *ek, int ekl, const unsigned char *iv,
628 		EVP_PKEY *priv);
629 int	EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
630 
631 int	EVP_SealInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,
632 		 unsigned char **ek, int *ekl, unsigned char *iv,
633 		EVP_PKEY **pubk, int npubk);
634 int	EVP_SealFinal(EVP_CIPHER_CTX *ctx,unsigned char *out,int *outl);
635 
636 void	EVP_EncodeInit(EVP_ENCODE_CTX *ctx);
637 void	EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl,
638 		const unsigned char *in,int inl);
639 void	EVP_EncodeFinal(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl);
640 int	EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int n);
641 
642 void	EVP_DecodeInit(EVP_ENCODE_CTX *ctx);
643 int	EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl,
644 		const unsigned char *in, int inl);
645 int	EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned
646 		char *out, int *outl);
647 int	EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n);
648 
649 void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *a);
650 int EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *a);
651 EVP_CIPHER_CTX *EVP_CIPHER_CTX_new(void);
652 void EVP_CIPHER_CTX_free(EVP_CIPHER_CTX *a);
653 int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *x, int keylen);
654 int EVP_CIPHER_CTX_set_padding(EVP_CIPHER_CTX *c, int pad);
655 int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr);
656 int EVP_CIPHER_CTX_rand_key(EVP_CIPHER_CTX *ctx, unsigned char *key);
657 
658 #ifndef OPENSSL_NO_BIO
659 BIO_METHOD *BIO_f_md(void);
660 BIO_METHOD *BIO_f_base64(void);
661 BIO_METHOD *BIO_f_cipher(void);
662 BIO_METHOD *BIO_f_reliable(void);
663 void BIO_set_cipher(BIO *b,const EVP_CIPHER *c,const unsigned char *k,
664 		const unsigned char *i, int enc);
665 #endif
666 
667 const EVP_MD *EVP_md_null(void);
668 #ifndef OPENSSL_NO_MD2
669 const EVP_MD *EVP_md2(void);
670 #endif
671 #ifndef OPENSSL_NO_MD4
672 const EVP_MD *EVP_md4(void);
673 #endif
674 #ifndef OPENSSL_NO_MD5
675 const EVP_MD *EVP_md5(void);
676 #endif
677 #ifndef OPENSSL_NO_SHA
678 const EVP_MD *EVP_sha(void);
679 const EVP_MD *EVP_sha1(void);
680 const EVP_MD *EVP_dss(void);
681 const EVP_MD *EVP_dss1(void);
682 const EVP_MD *EVP_ecdsa(void);
683 #endif
684 #ifndef OPENSSL_NO_SHA256
685 const EVP_MD *EVP_sha224(void);
686 const EVP_MD *EVP_sha256(void);
687 #endif
688 #ifndef OPENSSL_NO_SHA512
689 const EVP_MD *EVP_sha384(void);
690 const EVP_MD *EVP_sha512(void);
691 #endif
692 #ifndef OPENSSL_NO_MDC2
693 const EVP_MD *EVP_mdc2(void);
694 #endif
695 #ifndef OPENSSL_NO_RIPEMD
696 const EVP_MD *EVP_ripemd160(void);
697 #endif
698 #ifndef OPENSSL_NO_WHIRLPOOL
699 const EVP_MD *EVP_whirlpool(void);
700 #endif
701 const EVP_CIPHER *EVP_enc_null(void);		/* does nothing :-) */
702 #ifndef OPENSSL_NO_DES
703 const EVP_CIPHER *EVP_des_ecb(void);
704 const EVP_CIPHER *EVP_des_ede(void);
705 const EVP_CIPHER *EVP_des_ede3(void);
706 const EVP_CIPHER *EVP_des_ede_ecb(void);
707 const EVP_CIPHER *EVP_des_ede3_ecb(void);
708 const EVP_CIPHER *EVP_des_cfb64(void);
709 # define EVP_des_cfb EVP_des_cfb64
710 const EVP_CIPHER *EVP_des_cfb1(void);
711 const EVP_CIPHER *EVP_des_cfb8(void);
712 const EVP_CIPHER *EVP_des_ede_cfb64(void);
713 # define EVP_des_ede_cfb EVP_des_ede_cfb64
714 #if 0
715 const EVP_CIPHER *EVP_des_ede_cfb1(void);
716 const EVP_CIPHER *EVP_des_ede_cfb8(void);
717 #endif
718 const EVP_CIPHER *EVP_des_ede3_cfb64(void);
719 # define EVP_des_ede3_cfb EVP_des_ede3_cfb64
720 const EVP_CIPHER *EVP_des_ede3_cfb1(void);
721 const EVP_CIPHER *EVP_des_ede3_cfb8(void);
722 const EVP_CIPHER *EVP_des_ofb(void);
723 const EVP_CIPHER *EVP_des_ede_ofb(void);
724 const EVP_CIPHER *EVP_des_ede3_ofb(void);
725 const EVP_CIPHER *EVP_des_cbc(void);
726 const EVP_CIPHER *EVP_des_ede_cbc(void);
727 const EVP_CIPHER *EVP_des_ede3_cbc(void);
728 const EVP_CIPHER *EVP_desx_cbc(void);
729 /* This should now be supported through the dev_crypto ENGINE. But also, why are
730  * rc4 and md5 declarations made here inside a "NO_DES" precompiler branch? */
731 #if 0
732 # ifdef OPENSSL_OPENBSD_DEV_CRYPTO
733 const EVP_CIPHER *EVP_dev_crypto_des_ede3_cbc(void);
734 const EVP_CIPHER *EVP_dev_crypto_rc4(void);
735 const EVP_MD *EVP_dev_crypto_md5(void);
736 # endif
737 #endif
738 #endif
739 #ifndef OPENSSL_NO_RC4
740 const EVP_CIPHER *EVP_rc4(void);
741 const EVP_CIPHER *EVP_rc4_40(void);
742 #ifndef OPENSSL_NO_MD5
743 const EVP_CIPHER *EVP_rc4_hmac_md5(void);
744 #endif
745 #endif
746 #ifndef OPENSSL_NO_IDEA
747 const EVP_CIPHER *EVP_idea_ecb(void);
748 const EVP_CIPHER *EVP_idea_cfb64(void);
749 # define EVP_idea_cfb EVP_idea_cfb64
750 const EVP_CIPHER *EVP_idea_ofb(void);
751 const EVP_CIPHER *EVP_idea_cbc(void);
752 #endif
753 #ifndef OPENSSL_NO_RC2
754 const EVP_CIPHER *EVP_rc2_ecb(void);
755 const EVP_CIPHER *EVP_rc2_cbc(void);
756 const EVP_CIPHER *EVP_rc2_40_cbc(void);
757 const EVP_CIPHER *EVP_rc2_64_cbc(void);
758 const EVP_CIPHER *EVP_rc2_cfb64(void);
759 # define EVP_rc2_cfb EVP_rc2_cfb64
760 const EVP_CIPHER *EVP_rc2_ofb(void);
761 #endif
762 #ifndef OPENSSL_NO_BF
763 const EVP_CIPHER *EVP_bf_ecb(void);
764 const EVP_CIPHER *EVP_bf_cbc(void);
765 const EVP_CIPHER *EVP_bf_cfb64(void);
766 # define EVP_bf_cfb EVP_bf_cfb64
767 const EVP_CIPHER *EVP_bf_ofb(void);
768 #endif
769 #ifndef OPENSSL_NO_CAST
770 const EVP_CIPHER *EVP_cast5_ecb(void);
771 const EVP_CIPHER *EVP_cast5_cbc(void);
772 const EVP_CIPHER *EVP_cast5_cfb64(void);
773 # define EVP_cast5_cfb EVP_cast5_cfb64
774 const EVP_CIPHER *EVP_cast5_ofb(void);
775 #endif
776 #ifndef OPENSSL_NO_RC5
777 const EVP_CIPHER *EVP_rc5_32_12_16_cbc(void);
778 const EVP_CIPHER *EVP_rc5_32_12_16_ecb(void);
779 const EVP_CIPHER *EVP_rc5_32_12_16_cfb64(void);
780 # define EVP_rc5_32_12_16_cfb EVP_rc5_32_12_16_cfb64
781 const EVP_CIPHER *EVP_rc5_32_12_16_ofb(void);
782 #endif
783 #ifndef OPENSSL_NO_AES
784 const EVP_CIPHER *EVP_aes_128_ecb(void);
785 const EVP_CIPHER *EVP_aes_128_cbc(void);
786 const EVP_CIPHER *EVP_aes_128_cfb1(void);
787 const EVP_CIPHER *EVP_aes_128_cfb8(void);
788 const EVP_CIPHER *EVP_aes_128_cfb128(void);
789 # define EVP_aes_128_cfb EVP_aes_128_cfb128
790 const EVP_CIPHER *EVP_aes_128_ofb(void);
791 const EVP_CIPHER *EVP_aes_128_ctr(void);
792 const EVP_CIPHER *EVP_aes_128_gcm(void);
793 const EVP_CIPHER *EVP_aes_128_ccm(void);
794 const EVP_CIPHER *EVP_aes_128_xts(void);
795 const EVP_CIPHER *EVP_aes_192_ecb(void);
796 const EVP_CIPHER *EVP_aes_192_cbc(void);
797 const EVP_CIPHER *EVP_aes_192_cfb1(void);
798 const EVP_CIPHER *EVP_aes_192_cfb8(void);
799 const EVP_CIPHER *EVP_aes_192_cfb128(void);
800 # define EVP_aes_192_cfb EVP_aes_192_cfb128
801 const EVP_CIPHER *EVP_aes_192_ofb(void);
802 const EVP_CIPHER *EVP_aes_192_ctr(void);
803 const EVP_CIPHER *EVP_aes_192_gcm(void);
804 const EVP_CIPHER *EVP_aes_192_ccm(void);
805 const EVP_CIPHER *EVP_aes_256_ecb(void);
806 const EVP_CIPHER *EVP_aes_256_cbc(void);
807 const EVP_CIPHER *EVP_aes_256_cfb1(void);
808 const EVP_CIPHER *EVP_aes_256_cfb8(void);
809 const EVP_CIPHER *EVP_aes_256_cfb128(void);
810 # define EVP_aes_256_cfb EVP_aes_256_cfb128
811 const EVP_CIPHER *EVP_aes_256_ofb(void);
812 const EVP_CIPHER *EVP_aes_256_ctr(void);
813 const EVP_CIPHER *EVP_aes_256_gcm(void);
814 const EVP_CIPHER *EVP_aes_256_ccm(void);
815 const EVP_CIPHER *EVP_aes_256_xts(void);
816 #if !defined(OPENSSL_NO_SHA) && !defined(OPENSSL_NO_SHA1)
817 const EVP_CIPHER *EVP_aes_128_cbc_hmac_sha1(void);
818 const EVP_CIPHER *EVP_aes_256_cbc_hmac_sha1(void);
819 #endif
820 #endif
821 #ifndef OPENSSL_NO_CAMELLIA
822 const EVP_CIPHER *EVP_camellia_128_ecb(void);
823 const EVP_CIPHER *EVP_camellia_128_cbc(void);
824 const EVP_CIPHER *EVP_camellia_128_cfb1(void);
825 const EVP_CIPHER *EVP_camellia_128_cfb8(void);
826 const EVP_CIPHER *EVP_camellia_128_cfb128(void);
827 # define EVP_camellia_128_cfb EVP_camellia_128_cfb128
828 const EVP_CIPHER *EVP_camellia_128_ofb(void);
829 const EVP_CIPHER *EVP_camellia_192_ecb(void);
830 const EVP_CIPHER *EVP_camellia_192_cbc(void);
831 const EVP_CIPHER *EVP_camellia_192_cfb1(void);
832 const EVP_CIPHER *EVP_camellia_192_cfb8(void);
833 const EVP_CIPHER *EVP_camellia_192_cfb128(void);
834 # define EVP_camellia_192_cfb EVP_camellia_192_cfb128
835 const EVP_CIPHER *EVP_camellia_192_ofb(void);
836 const EVP_CIPHER *EVP_camellia_256_ecb(void);
837 const EVP_CIPHER *EVP_camellia_256_cbc(void);
838 const EVP_CIPHER *EVP_camellia_256_cfb1(void);
839 const EVP_CIPHER *EVP_camellia_256_cfb8(void);
840 const EVP_CIPHER *EVP_camellia_256_cfb128(void);
841 # define EVP_camellia_256_cfb EVP_camellia_256_cfb128
842 const EVP_CIPHER *EVP_camellia_256_ofb(void);
843 #endif
844 
845 #ifndef OPENSSL_NO_SEED
846 const EVP_CIPHER *EVP_seed_ecb(void);
847 const EVP_CIPHER *EVP_seed_cbc(void);
848 const EVP_CIPHER *EVP_seed_cfb128(void);
849 # define EVP_seed_cfb EVP_seed_cfb128
850 const EVP_CIPHER *EVP_seed_ofb(void);
851 #endif
852 
853 void OPENSSL_add_all_algorithms_noconf(void);
854 void OPENSSL_add_all_algorithms_conf(void);
855 
856 #ifdef OPENSSL_LOAD_CONF
857 #define OpenSSL_add_all_algorithms() \
858 		OPENSSL_add_all_algorithms_conf()
859 #else
860 #define OpenSSL_add_all_algorithms() \
861 		OPENSSL_add_all_algorithms_noconf()
862 #endif
863 
864 void OpenSSL_add_all_ciphers(void);
865 void OpenSSL_add_all_digests(void);
866 #define SSLeay_add_all_algorithms() OpenSSL_add_all_algorithms()
867 #define SSLeay_add_all_ciphers() OpenSSL_add_all_ciphers()
868 #define SSLeay_add_all_digests() OpenSSL_add_all_digests()
869 
870 int EVP_add_cipher(const EVP_CIPHER *cipher);
871 int EVP_add_digest(const EVP_MD *digest);
872 
873 const EVP_CIPHER *EVP_get_cipherbyname(const char *name);
874 const EVP_MD *EVP_get_digestbyname(const char *name);
875 void EVP_cleanup(void);
876 
877 void EVP_CIPHER_do_all(void (*fn)(const EVP_CIPHER *ciph,
878 		const char *from, const char *to, void *x), void *arg);
879 void EVP_CIPHER_do_all_sorted(void (*fn)(const EVP_CIPHER *ciph,
880 		const char *from, const char *to, void *x), void *arg);
881 
882 void EVP_MD_do_all(void (*fn)(const EVP_MD *ciph,
883 		const char *from, const char *to, void *x), void *arg);
884 void EVP_MD_do_all_sorted(void (*fn)(const EVP_MD *ciph,
885 		const char *from, const char *to, void *x), void *arg);
886 
887 int		EVP_PKEY_decrypt_old(unsigned char *dec_key,
888 			const unsigned char *enc_key,int enc_key_len,
889 			EVP_PKEY *private_key);
890 int		EVP_PKEY_encrypt_old(unsigned char *enc_key,
891 			const unsigned char *key,int key_len,
892 			EVP_PKEY *pub_key);
893 int		EVP_PKEY_type(int type);
894 int		EVP_PKEY_id(const EVP_PKEY *pkey);
895 int		EVP_PKEY_base_id(const EVP_PKEY *pkey);
896 int		EVP_PKEY_bits(EVP_PKEY *pkey);
897 int		EVP_PKEY_size(EVP_PKEY *pkey);
898 int 		EVP_PKEY_set_type(EVP_PKEY *pkey,int type);
899 int		EVP_PKEY_set_type_str(EVP_PKEY *pkey, const char *str, int len);
900 int 		EVP_PKEY_assign(EVP_PKEY *pkey,int type,void *key);
901 void *		EVP_PKEY_get0(EVP_PKEY *pkey);
902 
903 #ifndef OPENSSL_NO_RSA
904 struct rsa_st;
905 int EVP_PKEY_set1_RSA(EVP_PKEY *pkey,struct rsa_st *key);
906 struct rsa_st *EVP_PKEY_get1_RSA(EVP_PKEY *pkey);
907 #endif
908 #ifndef OPENSSL_NO_DSA
909 struct dsa_st;
910 int EVP_PKEY_set1_DSA(EVP_PKEY *pkey,struct dsa_st *key);
911 struct dsa_st *EVP_PKEY_get1_DSA(EVP_PKEY *pkey);
912 #endif
913 #ifndef OPENSSL_NO_DH
914 struct dh_st;
915 int EVP_PKEY_set1_DH(EVP_PKEY *pkey,struct dh_st *key);
916 struct dh_st *EVP_PKEY_get1_DH(EVP_PKEY *pkey);
917 #endif
918 #ifndef OPENSSL_NO_EC
919 struct ec_key_st;
920 int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey,struct ec_key_st *key);
921 struct ec_key_st *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey);
922 #endif
923 
924 EVP_PKEY *	EVP_PKEY_new(void);
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 /* BEGIN ERROR CODES */
1247 /* The following lines are auto generated by the script mkerr.pl. Any changes
1248  * made after this point may be overwritten when the script is next run.
1249  */
1250 void ERR_load_EVP_strings(void);
1251 
1252 /* Error codes for the EVP functions. */
1253 
1254 /* Function codes. */
1255 #define EVP_F_AESNI_INIT_KEY				 165
1256 #define EVP_F_AESNI_XTS_CIPHER				 176
1257 #define EVP_F_AES_INIT_KEY				 133
1258 #define EVP_F_AES_XTS					 172
1259 #define EVP_F_AES_XTS_CIPHER				 175
1260 #define EVP_F_CAMELLIA_INIT_KEY				 159
1261 #define EVP_F_CMAC_INIT					 173
1262 #define EVP_F_D2I_PKEY					 100
1263 #define EVP_F_DO_SIGVER_INIT				 161
1264 #define EVP_F_DSAPKEY2PKCS8				 134
1265 #define EVP_F_DSA_PKEY2PKCS8				 135
1266 #define EVP_F_ECDSA_PKEY2PKCS8				 129
1267 #define EVP_F_ECKEY_PKEY2PKCS8				 132
1268 #define EVP_F_EVP_CIPHERINIT_EX				 123
1269 #define EVP_F_EVP_CIPHER_CTX_COPY			 163
1270 #define EVP_F_EVP_CIPHER_CTX_CTRL			 124
1271 #define EVP_F_EVP_CIPHER_CTX_SET_KEY_LENGTH		 122
1272 #define EVP_F_EVP_DECRYPTFINAL_EX			 101
1273 #define EVP_F_EVP_DIGESTINIT_EX				 128
1274 #define EVP_F_EVP_ENCRYPTFINAL_EX			 127
1275 #define EVP_F_EVP_MD_CTX_COPY_EX			 110
1276 #define EVP_F_EVP_MD_SIZE				 162
1277 #define EVP_F_EVP_OPENINIT				 102
1278 #define EVP_F_EVP_PBE_ALG_ADD				 115
1279 #define EVP_F_EVP_PBE_ALG_ADD_TYPE			 160
1280 #define EVP_F_EVP_PBE_CIPHERINIT			 116
1281 #define EVP_F_EVP_PKCS82PKEY				 111
1282 #define EVP_F_EVP_PKCS82PKEY_BROKEN			 136
1283 #define EVP_F_EVP_PKEY2PKCS8_BROKEN			 113
1284 #define EVP_F_EVP_PKEY_COPY_PARAMETERS			 103
1285 #define EVP_F_EVP_PKEY_CTX_CTRL				 137
1286 #define EVP_F_EVP_PKEY_CTX_CTRL_STR			 150
1287 #define EVP_F_EVP_PKEY_CTX_DUP				 156
1288 #define EVP_F_EVP_PKEY_DECRYPT				 104
1289 #define EVP_F_EVP_PKEY_DECRYPT_INIT			 138
1290 #define EVP_F_EVP_PKEY_DECRYPT_OLD			 151
1291 #define EVP_F_EVP_PKEY_DERIVE				 153
1292 #define EVP_F_EVP_PKEY_DERIVE_INIT			 154
1293 #define EVP_F_EVP_PKEY_DERIVE_SET_PEER			 155
1294 #define EVP_F_EVP_PKEY_ENCRYPT				 105
1295 #define EVP_F_EVP_PKEY_ENCRYPT_INIT			 139
1296 #define EVP_F_EVP_PKEY_ENCRYPT_OLD			 152
1297 #define EVP_F_EVP_PKEY_GET1_DH				 119
1298 #define EVP_F_EVP_PKEY_GET1_DSA				 120
1299 #define EVP_F_EVP_PKEY_GET1_ECDSA			 130
1300 #define EVP_F_EVP_PKEY_GET1_EC_KEY			 131
1301 #define EVP_F_EVP_PKEY_GET1_RSA				 121
1302 #define EVP_F_EVP_PKEY_KEYGEN				 146
1303 #define EVP_F_EVP_PKEY_KEYGEN_INIT			 147
1304 #define EVP_F_EVP_PKEY_NEW				 106
1305 #define EVP_F_EVP_PKEY_PARAMGEN				 148
1306 #define EVP_F_EVP_PKEY_PARAMGEN_INIT			 149
1307 #define EVP_F_EVP_PKEY_SIGN				 140
1308 #define EVP_F_EVP_PKEY_SIGN_INIT			 141
1309 #define EVP_F_EVP_PKEY_VERIFY				 142
1310 #define EVP_F_EVP_PKEY_VERIFY_INIT			 143
1311 #define EVP_F_EVP_PKEY_VERIFY_RECOVER			 144
1312 #define EVP_F_EVP_PKEY_VERIFY_RECOVER_INIT		 145
1313 #define EVP_F_EVP_RIJNDAEL				 126
1314 #define EVP_F_EVP_SIGNFINAL				 107
1315 #define EVP_F_EVP_VERIFYFINAL				 108
1316 #define EVP_F_FIPS_CIPHERINIT				 166
1317 #define EVP_F_FIPS_CIPHER_CTX_COPY			 170
1318 #define EVP_F_FIPS_CIPHER_CTX_CTRL			 167
1319 #define EVP_F_FIPS_CIPHER_CTX_SET_KEY_LENGTH		 171
1320 #define EVP_F_FIPS_DIGESTINIT				 168
1321 #define EVP_F_FIPS_MD_CTX_COPY				 169
1322 #define EVP_F_HMAC_INIT_EX				 174
1323 #define EVP_F_INT_CTX_NEW				 157
1324 #define EVP_F_PKCS5_PBE_KEYIVGEN			 117
1325 #define EVP_F_PKCS5_V2_PBE_KEYIVGEN			 118
1326 #define EVP_F_PKCS5_V2_PBKDF2_KEYIVGEN			 164
1327 #define EVP_F_PKCS8_SET_BROKEN				 112
1328 #define EVP_F_PKEY_SET_TYPE				 158
1329 #define EVP_F_RC2_MAGIC_TO_METH				 109
1330 #define EVP_F_RC5_CTRL					 125
1331 
1332 /* Reason codes. */
1333 #define EVP_R_AES_IV_SETUP_FAILED			 162
1334 #define EVP_R_AES_KEY_SETUP_FAILED			 143
1335 #define EVP_R_ASN1_LIB					 140
1336 #define EVP_R_BAD_BLOCK_LENGTH				 136
1337 #define EVP_R_BAD_DECRYPT				 100
1338 #define EVP_R_BAD_KEY_LENGTH				 137
1339 #define EVP_R_BN_DECODE_ERROR				 112
1340 #define EVP_R_BN_PUBKEY_ERROR				 113
1341 #define EVP_R_BUFFER_TOO_SMALL				 155
1342 #define EVP_R_CAMELLIA_KEY_SETUP_FAILED			 157
1343 #define EVP_R_CIPHER_PARAMETER_ERROR			 122
1344 #define EVP_R_COMMAND_NOT_SUPPORTED			 147
1345 #define EVP_R_CTRL_NOT_IMPLEMENTED			 132
1346 #define EVP_R_CTRL_OPERATION_NOT_IMPLEMENTED		 133
1347 #define EVP_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH		 138
1348 #define EVP_R_DECODE_ERROR				 114
1349 #define EVP_R_DIFFERENT_KEY_TYPES			 101
1350 #define EVP_R_DIFFERENT_PARAMETERS			 153
1351 #define EVP_R_DISABLED_FOR_FIPS				 163
1352 #define EVP_R_ENCODE_ERROR				 115
1353 #define EVP_R_EVP_PBE_CIPHERINIT_ERROR			 119
1354 #define EVP_R_EXPECTING_AN_RSA_KEY			 127
1355 #define EVP_R_EXPECTING_A_DH_KEY			 128
1356 #define EVP_R_EXPECTING_A_DSA_KEY			 129
1357 #define EVP_R_EXPECTING_A_ECDSA_KEY			 141
1358 #define EVP_R_EXPECTING_A_EC_KEY			 142
1359 #define EVP_R_INITIALIZATION_ERROR			 134
1360 #define EVP_R_INPUT_NOT_INITIALIZED			 111
1361 #define EVP_R_INVALID_DIGEST				 152
1362 #define EVP_R_INVALID_KEY_LENGTH			 130
1363 #define EVP_R_INVALID_OPERATION				 148
1364 #define EVP_R_IV_TOO_LARGE				 102
1365 #define EVP_R_KEYGEN_FAILURE				 120
1366 #define EVP_R_MESSAGE_DIGEST_IS_NULL			 159
1367 #define EVP_R_METHOD_NOT_SUPPORTED			 144
1368 #define EVP_R_MISSING_PARAMETERS			 103
1369 #define EVP_R_NO_CIPHER_SET				 131
1370 #define EVP_R_NO_DEFAULT_DIGEST				 158
1371 #define EVP_R_NO_DIGEST_SET				 139
1372 #define EVP_R_NO_DSA_PARAMETERS				 116
1373 #define EVP_R_NO_KEY_SET				 154
1374 #define EVP_R_NO_OPERATION_SET				 149
1375 #define EVP_R_NO_SIGN_FUNCTION_CONFIGURED		 104
1376 #define EVP_R_NO_VERIFY_FUNCTION_CONFIGURED		 105
1377 #define EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE	 150
1378 #define EVP_R_OPERATON_NOT_INITIALIZED			 151
1379 #define EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE			 117
1380 #define EVP_R_PRIVATE_KEY_DECODE_ERROR			 145
1381 #define EVP_R_PRIVATE_KEY_ENCODE_ERROR			 146
1382 #define EVP_R_PUBLIC_KEY_NOT_RSA			 106
1383 #define EVP_R_TOO_LARGE					 164
1384 #define EVP_R_UNKNOWN_CIPHER				 160
1385 #define EVP_R_UNKNOWN_DIGEST				 161
1386 #define EVP_R_UNKNOWN_PBE_ALGORITHM			 121
1387 #define EVP_R_UNSUPORTED_NUMBER_OF_ROUNDS		 135
1388 #define EVP_R_UNSUPPORTED_ALGORITHM			 156
1389 #define EVP_R_UNSUPPORTED_CIPHER			 107
1390 #define EVP_R_UNSUPPORTED_KEYLENGTH			 123
1391 #define EVP_R_UNSUPPORTED_KEY_DERIVATION_FUNCTION	 124
1392 #define EVP_R_UNSUPPORTED_KEY_SIZE			 108
1393 #define EVP_R_UNSUPPORTED_PRF				 125
1394 #define EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM		 118
1395 #define EVP_R_UNSUPPORTED_SALT_TYPE			 126
1396 #define EVP_R_WRONG_FINAL_BLOCK_LENGTH			 109
1397 #define EVP_R_WRONG_PUBLIC_KEY_TYPE			 110
1398 
1399 #ifdef  __cplusplus
1400 }
1401 #endif
1402 #endif
1403