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#ifdef OPENSSL_FIPS
79#include <openssl/fips.h>
80#endif
81
82/*
83#define EVP_RC2_KEY_SIZE		16
84#define EVP_RC4_KEY_SIZE		16
85#define EVP_BLOWFISH_KEY_SIZE		16
86#define EVP_CAST5_KEY_SIZE		16
87#define EVP_RC5_32_12_16_KEY_SIZE	16
88*/
89#define EVP_MAX_MD_SIZE			64	/* longest known is SHA512 */
90#define EVP_MAX_KEY_LENGTH		32
91#define EVP_MAX_IV_LENGTH		16
92#define EVP_MAX_BLOCK_LENGTH		32
93
94#define PKCS5_SALT_LEN			8
95/* Default PKCS#5 iteration count */
96#define PKCS5_DEFAULT_ITER		2048
97
98#include <openssl/objects.h>
99
100#define EVP_PK_RSA	0x0001
101#define EVP_PK_DSA	0x0002
102#define EVP_PK_DH	0x0004
103#define EVP_PK_EC	0x0008
104#define EVP_PKT_SIGN	0x0010
105#define EVP_PKT_ENC	0x0020
106#define EVP_PKT_EXCH	0x0040
107#define EVP_PKS_RSA	0x0100
108#define EVP_PKS_DSA	0x0200
109#define EVP_PKS_EC	0x0400
110#define EVP_PKT_EXP	0x1000 /* <= 512 bit key */
111
112#define EVP_PKEY_NONE	NID_undef
113#define EVP_PKEY_RSA	NID_rsaEncryption
114#define EVP_PKEY_RSA2	NID_rsa
115#define EVP_PKEY_DSA	NID_dsa
116#define EVP_PKEY_DSA1	NID_dsa_2
117#define EVP_PKEY_DSA2	NID_dsaWithSHA
118#define EVP_PKEY_DSA3	NID_dsaWithSHA1
119#define EVP_PKEY_DSA4	NID_dsaWithSHA1_2
120#define EVP_PKEY_DH	NID_dhKeyAgreement
121#define EVP_PKEY_EC	NID_X9_62_id_ecPublicKey
122
123#ifdef	__cplusplus
124extern "C" {
125#endif
126
127/* Type needs to be a bit field
128 * Sub-type needs to be for variations on the method, as in, can it do
129 * arbitrary encryption.... */
130struct evp_pkey_st
131	{
132	int type;
133	int save_type;
134	int references;
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#if 0
160/* This structure is required to tie the message digest and signing together.
161 * The lookup can be done by md/pkey_method, oid, oid/pkey_method, or
162 * oid, md and pkey.
163 * This is required because for various smart-card perform the digest and
164 * signing/verification on-board.  To handle this case, the specific
165 * EVP_MD and EVP_PKEY_METHODs need to be closely associated.
166 * When a PKEY is created, it will have a EVP_PKEY_METHOD associated with it.
167 * This can either be software or a token to provide the required low level
168 * routines.
169 */
170typedef struct evp_pkey_md_st
171	{
172	int oid;
173	EVP_MD *md;
174	EVP_PKEY_METHOD *pkey;
175	} EVP_PKEY_MD;
176
177#define EVP_rsa_md2() \
178		EVP_PKEY_MD_add(NID_md2WithRSAEncryption,\
179			EVP_rsa_pkcs1(),EVP_md2())
180#define EVP_rsa_md5() \
181		EVP_PKEY_MD_add(NID_md5WithRSAEncryption,\
182			EVP_rsa_pkcs1(),EVP_md5())
183#define EVP_rsa_sha0() \
184		EVP_PKEY_MD_add(NID_shaWithRSAEncryption,\
185			EVP_rsa_pkcs1(),EVP_sha())
186#define EVP_rsa_sha1() \
187		EVP_PKEY_MD_add(NID_sha1WithRSAEncryption,\
188			EVP_rsa_pkcs1(),EVP_sha1())
189#define EVP_rsa_ripemd160() \
190		EVP_PKEY_MD_add(NID_ripemd160WithRSA,\
191			EVP_rsa_pkcs1(),EVP_ripemd160())
192#define EVP_rsa_mdc2() \
193		EVP_PKEY_MD_add(NID_mdc2WithRSA,\
194			EVP_rsa_octet_string(),EVP_mdc2())
195#define EVP_dsa_sha() \
196		EVP_PKEY_MD_add(NID_dsaWithSHA,\
197			EVP_dsa(),EVP_sha())
198#define EVP_dsa_sha1() \
199		EVP_PKEY_MD_add(NID_dsaWithSHA1,\
200			EVP_dsa(),EVP_sha1())
201
202typedef struct evp_pkey_method_st
203	{
204	char *name;
205	int flags;
206	int type;		/* RSA, DSA, an SSLeay specific constant */
207	int oid;		/* For the pub-key type */
208	int encrypt_oid;	/* pub/priv key encryption */
209
210	int (*sign)();
211	int (*verify)();
212	struct	{
213		int (*set)();	/* get and/or set the underlying type */
214		int (*get)();
215		int (*encrypt)();
216		int (*decrypt)();
217		int (*i2d)();
218		int (*d2i)();
219		int (*dup)();
220		} pub,priv;
221	int (*set_asn1_parameters)();
222	int (*get_asn1_parameters)();
223	} EVP_PKEY_METHOD;
224#endif
225
226#ifndef EVP_MD
227struct env_md_st
228	{
229	int type;
230	int pkey_type;
231	int md_size;
232	unsigned long flags;
233	int (*init)(EVP_MD_CTX *ctx);
234	int (*update)(EVP_MD_CTX *ctx,const void *data,size_t count);
235	int (*final)(EVP_MD_CTX *ctx,unsigned char *md);
236	int (*copy)(EVP_MD_CTX *to,const EVP_MD_CTX *from);
237	int (*cleanup)(EVP_MD_CTX *ctx);
238
239	/* FIXME: prototype these some day */
240	int (*sign)(int type, const unsigned char *m, unsigned int m_length,
241		    unsigned char *sigret, unsigned int *siglen, void *key);
242	int (*verify)(int type, const unsigned char *m, unsigned int m_length,
243		      const unsigned char *sigbuf, unsigned int siglen,
244		      void *key);
245	int required_pkey_type[5]; /*EVP_PKEY_xxx */
246	int block_size;
247	int ctx_size; /* how big does the ctx->md_data need to be */
248	} /* EVP_MD */;
249
250typedef int evp_sign_method(int type,const unsigned char *m,
251			    unsigned int m_length,unsigned char *sigret,
252			    unsigned int *siglen, void *key);
253typedef int evp_verify_method(int type,const unsigned char *m,
254			    unsigned int m_length,const unsigned char *sigbuf,
255			    unsigned int siglen, void *key);
256
257typedef struct
258	{
259	EVP_MD_CTX *mctx;
260	void *key;
261	} EVP_MD_SVCTX;
262
263#define EVP_MD_FLAG_ONESHOT	0x0001 /* digest can only handle a single
264					* block */
265
266#define EVP_MD_FLAG_FIPS	0x0400 /* Note if suitable for use in FIPS mode */
267
268#define EVP_MD_FLAG_SVCTX	0x0800 /* pass EVP_MD_SVCTX to sign/verify */
269
270#define EVP_PKEY_NULL_method	NULL,NULL,{0,0,0,0}
271
272#ifndef OPENSSL_NO_DSA
273#define EVP_PKEY_DSA_method	(evp_sign_method *)DSA_sign, \
274				(evp_verify_method *)DSA_verify, \
275				{EVP_PKEY_DSA,EVP_PKEY_DSA2,EVP_PKEY_DSA3, \
276					EVP_PKEY_DSA4,0}
277#else
278#define EVP_PKEY_DSA_method	EVP_PKEY_NULL_method
279#endif
280
281#ifndef OPENSSL_NO_ECDSA
282#define EVP_PKEY_ECDSA_method   (evp_sign_method *)ECDSA_sign, \
283				(evp_verify_method *)ECDSA_verify, \
284                                 {EVP_PKEY_EC,0,0,0}
285#else
286#define EVP_PKEY_ECDSA_method   EVP_PKEY_NULL_method
287#endif
288
289#ifndef OPENSSL_NO_RSA
290#define EVP_PKEY_RSA_method	(evp_sign_method *)RSA_sign, \
291				(evp_verify_method *)RSA_verify, \
292				{EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0}
293#define EVP_PKEY_RSA_ASN1_OCTET_STRING_method \
294				(evp_sign_method *)RSA_sign_ASN1_OCTET_STRING, \
295				(evp_verify_method *)RSA_verify_ASN1_OCTET_STRING, \
296				{EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0}
297#else
298#define EVP_PKEY_RSA_method	EVP_PKEY_NULL_method
299#define EVP_PKEY_RSA_ASN1_OCTET_STRING_method EVP_PKEY_NULL_method
300#endif
301
302#endif /* !EVP_MD */
303
304struct env_md_ctx_st
305	{
306	const EVP_MD *digest;
307	ENGINE *engine; /* functional reference if 'digest' is ENGINE-provided */
308	unsigned long flags;
309	void *md_data;
310	} /* EVP_MD_CTX */;
311
312/* values for EVP_MD_CTX flags */
313
314#define EVP_MD_CTX_FLAG_ONESHOT		0x0001 /* digest update will be called
315						* once only */
316#define EVP_MD_CTX_FLAG_CLEANED		0x0002 /* context has already been
317						* cleaned */
318#define EVP_MD_CTX_FLAG_REUSE		0x0004 /* Don't free up ctx->md_data
319						* in EVP_MD_CTX_cleanup */
320#define EVP_MD_CTX_FLAG_NON_FIPS_ALLOW	0x0008	/* Allow use of non FIPS digest
321						 * in FIPS mode */
322
323#define EVP_MD_CTX_FLAG_PAD_MASK	0xF0	/* RSA mode to use */
324#define EVP_MD_CTX_FLAG_PAD_PKCS1	0x00	/* PKCS#1 v1.5 mode */
325#define EVP_MD_CTX_FLAG_PAD_X931	0x10	/* X9.31 mode */
326#define EVP_MD_CTX_FLAG_PAD_PSS		0x20	/* PSS mode */
327#define M_EVP_MD_CTX_FLAG_PSS_SALT(ctx) \
328		((ctx->flags>>16) &0xFFFF) /* seed length */
329#define EVP_MD_CTX_FLAG_PSS_MDLEN	0xFFFF	/* salt len same as digest */
330#define EVP_MD_CTX_FLAG_PSS_MREC	0xFFFE	/* salt max or auto recovered */
331
332struct evp_cipher_st
333	{
334	int nid;
335	int block_size;
336	int key_len;		/* Default value for variable length ciphers */
337	int iv_len;
338	unsigned long flags;	/* Various flags */
339	int (*init)(EVP_CIPHER_CTX *ctx, const unsigned char *key,
340		    const unsigned char *iv, int enc);	/* init key */
341	int (*do_cipher)(EVP_CIPHER_CTX *ctx, unsigned char *out,
342			 const unsigned char *in, unsigned int inl);/* encrypt/decrypt data */
343	int (*cleanup)(EVP_CIPHER_CTX *); /* cleanup ctx */
344	int ctx_size;		/* how big ctx->cipher_data needs to be */
345	int (*set_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Populate a ASN1_TYPE with parameters */
346	int (*get_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Get parameters from a ASN1_TYPE */
347	int (*ctrl)(EVP_CIPHER_CTX *, int type, int arg, void *ptr); /* Miscellaneous operations */
348	void *app_data;		/* Application data */
349	} /* EVP_CIPHER */;
350
351/* Values for cipher flags */
352
353/* Modes for ciphers */
354
355#define		EVP_CIPH_STREAM_CIPHER		0x0
356#define		EVP_CIPH_ECB_MODE		0x1
357#define		EVP_CIPH_CBC_MODE		0x2
358#define		EVP_CIPH_CFB_MODE		0x3
359#define		EVP_CIPH_OFB_MODE		0x4
360#define 	EVP_CIPH_MODE			0x7
361/* Set if variable length cipher */
362#define 	EVP_CIPH_VARIABLE_LENGTH	0x8
363/* Set if the iv handling should be done by the cipher itself */
364#define 	EVP_CIPH_CUSTOM_IV		0x10
365/* Set if the cipher's init() function should be called if key is NULL */
366#define 	EVP_CIPH_ALWAYS_CALL_INIT	0x20
367/* Call ctrl() to init cipher parameters */
368#define 	EVP_CIPH_CTRL_INIT		0x40
369/* Don't use standard key length function */
370#define 	EVP_CIPH_CUSTOM_KEY_LENGTH	0x80
371/* Don't use standard block padding */
372#define 	EVP_CIPH_NO_PADDING		0x100
373/* cipher handles random key generation */
374#define 	EVP_CIPH_RAND_KEY		0x200
375/* Note if suitable for use in FIPS mode */
376#define		EVP_CIPH_FLAG_FIPS		0x400
377/* Allow non FIPS cipher in FIPS mode */
378#define		EVP_CIPH_FLAG_NON_FIPS_ALLOW	0x800
379/* Allow use default ASN1 get/set iv */
380#define		EVP_CIPH_FLAG_DEFAULT_ASN1	0x1000
381/* Buffer length in bits not bytes: CFB1 mode only */
382#define		EVP_CIPH_FLAG_LENGTH_BITS	0x2000
383
384/* ctrl() values */
385
386#define		EVP_CTRL_INIT			0x0
387#define 	EVP_CTRL_SET_KEY_LENGTH		0x1
388#define 	EVP_CTRL_GET_RC2_KEY_BITS	0x2
389#define 	EVP_CTRL_SET_RC2_KEY_BITS	0x3
390#define 	EVP_CTRL_GET_RC5_ROUNDS		0x4
391#define 	EVP_CTRL_SET_RC5_ROUNDS		0x5
392#define 	EVP_CTRL_RAND_KEY		0x6
393
394typedef struct evp_cipher_info_st
395	{
396	const EVP_CIPHER *cipher;
397	unsigned char iv[EVP_MAX_IV_LENGTH];
398	} EVP_CIPHER_INFO;
399
400struct evp_cipher_ctx_st
401	{
402	const EVP_CIPHER *cipher;
403	ENGINE *engine;	/* functional reference if 'cipher' is ENGINE-provided */
404	int encrypt;		/* encrypt or decrypt */
405	int buf_len;		/* number we have left */
406
407	unsigned char  oiv[EVP_MAX_IV_LENGTH];	/* original iv */
408	unsigned char  iv[EVP_MAX_IV_LENGTH];	/* working iv */
409	unsigned char buf[EVP_MAX_BLOCK_LENGTH];/* saved partial block */
410	int num;				/* used by cfb/ofb mode */
411
412	void *app_data;		/* application stuff */
413	int key_len;		/* May change for variable length cipher */
414	unsigned long flags;	/* Various flags */
415	void *cipher_data; /* per EVP data */
416	int final_used;
417	int block_mask;
418	unsigned char final[EVP_MAX_BLOCK_LENGTH];/* possible final block */
419	} /* EVP_CIPHER_CTX */;
420
421typedef struct evp_Encode_Ctx_st
422	{
423	int num;	/* number saved in a partial encode/decode */
424	int length;	/* The length is either the output line length
425			 * (in input bytes) or the shortest input line
426			 * length that is ok.  Once decoding begins,
427			 * the length is adjusted up each time a longer
428			 * line is decoded */
429	unsigned char enc_data[80];	/* data to encode */
430	int line_num;	/* number read on current line */
431	int expect_nl;
432	} EVP_ENCODE_CTX;
433
434/* Password based encryption function */
435typedef int (EVP_PBE_KEYGEN)(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
436		ASN1_TYPE *param, const EVP_CIPHER *cipher,
437                const EVP_MD *md, int en_de);
438
439#ifndef OPENSSL_NO_RSA
440#define EVP_PKEY_assign_RSA(pkey,rsa) EVP_PKEY_assign((pkey),EVP_PKEY_RSA,\
441					(char *)(rsa))
442#endif
443
444#ifndef OPENSSL_NO_DSA
445#define EVP_PKEY_assign_DSA(pkey,dsa) EVP_PKEY_assign((pkey),EVP_PKEY_DSA,\
446					(char *)(dsa))
447#endif
448
449#ifndef OPENSSL_NO_DH
450#define EVP_PKEY_assign_DH(pkey,dh) EVP_PKEY_assign((pkey),EVP_PKEY_DH,\
451					(char *)(dh))
452#endif
453
454#ifndef OPENSSL_NO_EC
455#define EVP_PKEY_assign_EC_KEY(pkey,eckey) EVP_PKEY_assign((pkey),EVP_PKEY_EC,\
456                                        (char *)(eckey))
457#endif
458
459/* Add some extra combinations */
460#define EVP_get_digestbynid(a) EVP_get_digestbyname(OBJ_nid2sn(a))
461#define EVP_get_digestbyobj(a) EVP_get_digestbynid(OBJ_obj2nid(a))
462#define EVP_get_cipherbynid(a) EVP_get_cipherbyname(OBJ_nid2sn(a))
463#define EVP_get_cipherbyobj(a) EVP_get_cipherbynid(OBJ_obj2nid(a))
464
465/* Macros to reduce FIPS dependencies: do NOT use in applications */
466#define M_EVP_MD_size(e)		((e)->md_size)
467#define M_EVP_MD_block_size(e)		((e)->block_size)
468#define M_EVP_MD_CTX_set_flags(ctx,flgs) ((ctx)->flags|=(flgs))
469#define M_EVP_MD_CTX_clear_flags(ctx,flgs) ((ctx)->flags&=~(flgs))
470#define M_EVP_MD_CTX_test_flags(ctx,flgs) ((ctx)->flags&(flgs))
471#define M_EVP_MD_type(e)			((e)->type)
472#define M_EVP_MD_CTX_type(e)		M_EVP_MD_type(M_EVP_MD_CTX_md(e))
473#define M_EVP_MD_CTX_md(e)			((e)->digest)
474
475#define M_EVP_CIPHER_CTX_set_flags(ctx,flgs) ((ctx)->flags|=(flgs))
476
477int 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))
480int EVP_MD_pkey_type(const EVP_MD *md);
481int EVP_MD_size(const EVP_MD *md);
482int EVP_MD_block_size(const EVP_MD *md);
483
484const EVP_MD * EVP_MD_CTX_md(const EVP_MD_CTX *ctx);
485#define EVP_MD_CTX_size(e)		EVP_MD_size(EVP_MD_CTX_md(e))
486#define EVP_MD_CTX_block_size(e)	EVP_MD_block_size(EVP_MD_CTX_md(e))
487#define EVP_MD_CTX_type(e)		EVP_MD_type(EVP_MD_CTX_md(e))
488
489int EVP_CIPHER_nid(const EVP_CIPHER *cipher);
490#define EVP_CIPHER_name(e)		OBJ_nid2sn(EVP_CIPHER_nid(e))
491int EVP_CIPHER_block_size(const EVP_CIPHER *cipher);
492int EVP_CIPHER_key_length(const EVP_CIPHER *cipher);
493int EVP_CIPHER_iv_length(const EVP_CIPHER *cipher);
494unsigned long EVP_CIPHER_flags(const EVP_CIPHER *cipher);
495#define EVP_CIPHER_mode(e)		(EVP_CIPHER_flags(e) & EVP_CIPH_MODE)
496
497const EVP_CIPHER * EVP_CIPHER_CTX_cipher(const EVP_CIPHER_CTX *ctx);
498int EVP_CIPHER_CTX_nid(const EVP_CIPHER_CTX *ctx);
499int EVP_CIPHER_CTX_block_size(const EVP_CIPHER_CTX *ctx);
500int EVP_CIPHER_CTX_key_length(const EVP_CIPHER_CTX *ctx);
501int EVP_CIPHER_CTX_iv_length(const EVP_CIPHER_CTX *ctx);
502void * EVP_CIPHER_CTX_get_app_data(const EVP_CIPHER_CTX *ctx);
503void EVP_CIPHER_CTX_set_app_data(EVP_CIPHER_CTX *ctx, void *data);
504#define EVP_CIPHER_CTX_type(c)         EVP_CIPHER_type(EVP_CIPHER_CTX_cipher(c))
505unsigned long EVP_CIPHER_CTX_flags(const EVP_CIPHER_CTX *ctx);
506#define EVP_CIPHER_CTX_mode(e)		(EVP_CIPHER_CTX_flags(e) & EVP_CIPH_MODE)
507
508#define EVP_ENCODE_LENGTH(l)	(((l+2)/3*4)+(l/48+1)*2+80)
509#define EVP_DECODE_LENGTH(l)	((l+3)/4*3+80)
510
511#define EVP_SignInit_ex(a,b,c)		EVP_DigestInit_ex(a,b,c)
512#define EVP_SignInit(a,b)		EVP_DigestInit(a,b)
513#define EVP_SignUpdate(a,b,c)		EVP_DigestUpdate(a,b,c)
514#define	EVP_VerifyInit_ex(a,b,c)	EVP_DigestInit_ex(a,b,c)
515#define	EVP_VerifyInit(a,b)		EVP_DigestInit(a,b)
516#define	EVP_VerifyUpdate(a,b,c)		EVP_DigestUpdate(a,b,c)
517#define EVP_OpenUpdate(a,b,c,d,e)	EVP_DecryptUpdate(a,b,c,d,e)
518#define EVP_SealUpdate(a,b,c,d,e)	EVP_EncryptUpdate(a,b,c,d,e)
519
520#ifdef CONST_STRICT
521void BIO_set_md(BIO *,const EVP_MD *md);
522#else
523# define BIO_set_md(b,md)		BIO_ctrl(b,BIO_C_SET_MD,0,(char *)md)
524#endif
525#define BIO_get_md(b,mdp)		BIO_ctrl(b,BIO_C_GET_MD,0,(char *)mdp)
526#define BIO_get_md_ctx(b,mdcp)     BIO_ctrl(b,BIO_C_GET_MD_CTX,0,(char *)mdcp)
527#define BIO_set_md_ctx(b,mdcp)     BIO_ctrl(b,BIO_C_SET_MD_CTX,0,(char *)mdcp)
528#define BIO_get_cipher_status(b)	BIO_ctrl(b,BIO_C_GET_CIPHER_STATUS,0,NULL)
529#define BIO_get_cipher_ctx(b,c_pp)	BIO_ctrl(b,BIO_C_GET_CIPHER_CTX,0,(char *)c_pp)
530
531int EVP_Cipher(EVP_CIPHER_CTX *c,
532		unsigned char *out,
533		const unsigned char *in,
534		unsigned int inl);
535
536#define EVP_add_cipher_alias(n,alias) \
537	OBJ_NAME_add((alias),OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS,(n))
538#define EVP_add_digest_alias(n,alias) \
539	OBJ_NAME_add((alias),OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,(n))
540#define EVP_delete_cipher_alias(alias) \
541	OBJ_NAME_remove(alias,OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS);
542#define EVP_delete_digest_alias(alias) \
543	OBJ_NAME_remove(alias,OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS);
544
545void	EVP_MD_CTX_init(EVP_MD_CTX *ctx);
546int	EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx);
547EVP_MD_CTX *EVP_MD_CTX_create(void);
548void	EVP_MD_CTX_destroy(EVP_MD_CTX *ctx);
549int     EVP_MD_CTX_copy_ex(EVP_MD_CTX *out,const EVP_MD_CTX *in);
550void	EVP_MD_CTX_set_flags(EVP_MD_CTX *ctx, int flags);
551void	EVP_MD_CTX_clear_flags(EVP_MD_CTX *ctx, int flags);
552int 	EVP_MD_CTX_test_flags(const EVP_MD_CTX *ctx,int flags);
553int	EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl);
554int	EVP_DigestUpdate(EVP_MD_CTX *ctx,const void *d,
555			 size_t cnt);
556int	EVP_DigestFinal_ex(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s);
557int	EVP_Digest(const void *data, size_t count,
558		unsigned char *md, unsigned int *size, const EVP_MD *type, ENGINE *impl);
559
560int     EVP_MD_CTX_copy(EVP_MD_CTX *out,const EVP_MD_CTX *in);
561int	EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type);
562int	EVP_DigestFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s);
563
564int	EVP_read_pw_string(char *buf,int length,const char *prompt,int verify);
565void	EVP_set_pw_prompt(const char *prompt);
566char *	EVP_get_pw_prompt(void);
567
568int	EVP_BytesToKey(const EVP_CIPHER *type,const EVP_MD *md,
569		const unsigned char *salt, const unsigned char *data,
570		int datal, int count, unsigned char *key,unsigned char *iv);
571
572void	EVP_CIPHER_CTX_set_flags(EVP_CIPHER_CTX *ctx, int flags);
573void	EVP_CIPHER_CTX_clear_flags(EVP_CIPHER_CTX *ctx, int flags);
574int 	EVP_CIPHER_CTX_test_flags(const EVP_CIPHER_CTX *ctx,int flags);
575
576int	EVP_EncryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher,
577		const unsigned char *key, const unsigned char *iv);
578int	EVP_EncryptInit_ex(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher, ENGINE *impl,
579		const unsigned char *key, const unsigned char *iv);
580int	EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
581		int *outl, const unsigned char *in, int inl);
582int	EVP_EncryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
583int	EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
584
585int	EVP_DecryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher,
586		const unsigned char *key, const unsigned char *iv);
587int	EVP_DecryptInit_ex(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher, ENGINE *impl,
588		const unsigned char *key, const unsigned char *iv);
589int	EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
590		int *outl, const unsigned char *in, int inl);
591int	EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
592int	EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
593
594int	EVP_CipherInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher,
595		       const unsigned char *key,const unsigned char *iv,
596		       int enc);
597int	EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher, ENGINE *impl,
598		       const unsigned char *key,const unsigned char *iv,
599		       int enc);
600int	EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
601		int *outl, const unsigned char *in, int inl);
602int	EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
603int	EVP_CipherFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
604
605int	EVP_SignFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s,
606		EVP_PKEY *pkey);
607
608int	EVP_VerifyFinal(EVP_MD_CTX *ctx,const unsigned char *sigbuf,
609		unsigned int siglen,EVP_PKEY *pkey);
610
611int	EVP_OpenInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
612		const unsigned char *ek, int ekl, const unsigned char *iv,
613		EVP_PKEY *priv);
614int	EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
615
616int	EVP_SealInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,
617		 unsigned char **ek, int *ekl, unsigned char *iv,
618		EVP_PKEY **pubk, int npubk);
619int	EVP_SealFinal(EVP_CIPHER_CTX *ctx,unsigned char *out,int *outl);
620
621void	EVP_EncodeInit(EVP_ENCODE_CTX *ctx);
622void	EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl,
623		const unsigned char *in,int inl);
624void	EVP_EncodeFinal(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl);
625int	EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int n);
626
627void	EVP_DecodeInit(EVP_ENCODE_CTX *ctx);
628int	EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl,
629		const unsigned char *in, int inl);
630int	EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned
631		char *out, int *outl);
632int	EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n);
633
634void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *a);
635int EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *a);
636EVP_CIPHER_CTX *EVP_CIPHER_CTX_new(void);
637void EVP_CIPHER_CTX_free(EVP_CIPHER_CTX *a);
638int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *x, int keylen);
639int EVP_CIPHER_CTX_set_padding(EVP_CIPHER_CTX *c, int pad);
640int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr);
641int EVP_CIPHER_CTX_rand_key(EVP_CIPHER_CTX *ctx, unsigned char *key);
642
643#ifndef OPENSSL_NO_BIO
644BIO_METHOD *BIO_f_md(void);
645BIO_METHOD *BIO_f_base64(void);
646BIO_METHOD *BIO_f_cipher(void);
647BIO_METHOD *BIO_f_reliable(void);
648void BIO_set_cipher(BIO *b,const EVP_CIPHER *c,const unsigned char *k,
649		const unsigned char *i, int enc);
650#endif
651
652const EVP_MD *EVP_md_null(void);
653#ifndef OPENSSL_NO_MD2
654const EVP_MD *EVP_md2(void);
655#endif
656#ifndef OPENSSL_NO_MD4
657const EVP_MD *EVP_md4(void);
658#endif
659#ifndef OPENSSL_NO_MD5
660const EVP_MD *EVP_md5(void);
661#endif
662#ifndef OPENSSL_NO_SHA
663const EVP_MD *EVP_sha(void);
664const EVP_MD *EVP_sha1(void);
665const EVP_MD *EVP_dss(void);
666const EVP_MD *EVP_dss1(void);
667const EVP_MD *EVP_ecdsa(void);
668#endif
669#ifndef OPENSSL_NO_SHA256
670const EVP_MD *EVP_sha224(void);
671const EVP_MD *EVP_sha256(void);
672#endif
673#ifndef OPENSSL_NO_SHA512
674const EVP_MD *EVP_sha384(void);
675const EVP_MD *EVP_sha512(void);
676#endif
677#ifndef OPENSSL_NO_MDC2
678const EVP_MD *EVP_mdc2(void);
679#endif
680#ifndef OPENSSL_NO_RIPEMD
681const EVP_MD *EVP_ripemd160(void);
682#endif
683const EVP_CIPHER *EVP_enc_null(void);		/* does nothing :-) */
684#ifndef OPENSSL_NO_DES
685const EVP_CIPHER *EVP_des_ecb(void);
686const EVP_CIPHER *EVP_des_ede(void);
687const EVP_CIPHER *EVP_des_ede3(void);
688const EVP_CIPHER *EVP_des_ede_ecb(void);
689const EVP_CIPHER *EVP_des_ede3_ecb(void);
690const EVP_CIPHER *EVP_des_cfb64(void);
691# define EVP_des_cfb EVP_des_cfb64
692const EVP_CIPHER *EVP_des_cfb1(void);
693const EVP_CIPHER *EVP_des_cfb8(void);
694const EVP_CIPHER *EVP_des_ede_cfb64(void);
695# define EVP_des_ede_cfb EVP_des_ede_cfb64
696#if 0
697const EVP_CIPHER *EVP_des_ede_cfb1(void);
698const EVP_CIPHER *EVP_des_ede_cfb8(void);
699#endif
700const EVP_CIPHER *EVP_des_ede3_cfb64(void);
701# define EVP_des_ede3_cfb EVP_des_ede3_cfb64
702const EVP_CIPHER *EVP_des_ede3_cfb1(void);
703const EVP_CIPHER *EVP_des_ede3_cfb8(void);
704const EVP_CIPHER *EVP_des_ofb(void);
705const EVP_CIPHER *EVP_des_ede_ofb(void);
706const EVP_CIPHER *EVP_des_ede3_ofb(void);
707const EVP_CIPHER *EVP_des_cbc(void);
708const EVP_CIPHER *EVP_des_ede_cbc(void);
709const EVP_CIPHER *EVP_des_ede3_cbc(void);
710const EVP_CIPHER *EVP_desx_cbc(void);
711/* This should now be supported through the dev_crypto ENGINE. But also, why are
712 * rc4 and md5 declarations made here inside a "NO_DES" precompiler branch? */
713#if 0
714# ifdef OPENSSL_OPENBSD_DEV_CRYPTO
715const EVP_CIPHER *EVP_dev_crypto_des_ede3_cbc(void);
716const EVP_CIPHER *EVP_dev_crypto_rc4(void);
717const EVP_MD *EVP_dev_crypto_md5(void);
718# endif
719#endif
720#endif
721#ifndef OPENSSL_NO_RC4
722const EVP_CIPHER *EVP_rc4(void);
723const EVP_CIPHER *EVP_rc4_40(void);
724#endif
725#ifndef OPENSSL_NO_RC2
726const EVP_CIPHER *EVP_rc2_ecb(void);
727const EVP_CIPHER *EVP_rc2_cbc(void);
728const EVP_CIPHER *EVP_rc2_40_cbc(void);
729const EVP_CIPHER *EVP_rc2_64_cbc(void);
730const EVP_CIPHER *EVP_rc2_cfb64(void);
731# define EVP_rc2_cfb EVP_rc2_cfb64
732const EVP_CIPHER *EVP_rc2_ofb(void);
733#endif
734#ifndef OPENSSL_NO_BF
735const EVP_CIPHER *EVP_bf_ecb(void);
736const EVP_CIPHER *EVP_bf_cbc(void);
737const EVP_CIPHER *EVP_bf_cfb64(void);
738# define EVP_bf_cfb EVP_bf_cfb64
739const EVP_CIPHER *EVP_bf_ofb(void);
740#endif
741#ifndef OPENSSL_NO_CAST
742const EVP_CIPHER *EVP_cast5_ecb(void);
743const EVP_CIPHER *EVP_cast5_cbc(void);
744const EVP_CIPHER *EVP_cast5_cfb64(void);
745# define EVP_cast5_cfb EVP_cast5_cfb64
746const EVP_CIPHER *EVP_cast5_ofb(void);
747#endif
748#ifndef OPENSSL_NO_RC5
749const EVP_CIPHER *EVP_rc5_32_12_16_cbc(void);
750const EVP_CIPHER *EVP_rc5_32_12_16_ecb(void);
751const EVP_CIPHER *EVP_rc5_32_12_16_cfb64(void);
752# define EVP_rc5_32_12_16_cfb EVP_rc5_32_12_16_cfb64
753const EVP_CIPHER *EVP_rc5_32_12_16_ofb(void);
754#endif
755#ifndef OPENSSL_NO_AES
756const EVP_CIPHER *EVP_aes_128_ecb(void);
757const EVP_CIPHER *EVP_aes_128_cbc(void);
758const EVP_CIPHER *EVP_aes_128_cfb1(void);
759const EVP_CIPHER *EVP_aes_128_cfb8(void);
760const EVP_CIPHER *EVP_aes_128_cfb128(void);
761# define EVP_aes_128_cfb EVP_aes_128_cfb128
762const EVP_CIPHER *EVP_aes_128_ofb(void);
763#if 0
764const EVP_CIPHER *EVP_aes_128_ctr(void);
765#endif
766const EVP_CIPHER *EVP_aes_192_ecb(void);
767const EVP_CIPHER *EVP_aes_192_cbc(void);
768const EVP_CIPHER *EVP_aes_192_cfb1(void);
769const EVP_CIPHER *EVP_aes_192_cfb8(void);
770const EVP_CIPHER *EVP_aes_192_cfb128(void);
771# define EVP_aes_192_cfb EVP_aes_192_cfb128
772const EVP_CIPHER *EVP_aes_192_ofb(void);
773#if 0
774const EVP_CIPHER *EVP_aes_192_ctr(void);
775#endif
776const EVP_CIPHER *EVP_aes_256_ecb(void);
777const EVP_CIPHER *EVP_aes_256_cbc(void);
778const EVP_CIPHER *EVP_aes_256_cfb1(void);
779const EVP_CIPHER *EVP_aes_256_cfb8(void);
780const EVP_CIPHER *EVP_aes_256_cfb128(void);
781# define EVP_aes_256_cfb EVP_aes_256_cfb128
782const EVP_CIPHER *EVP_aes_256_ofb(void);
783#if 0
784const EVP_CIPHER *EVP_aes_256_ctr(void);
785#endif
786#endif
787#ifndef OPENSSL_NO_CAMELLIA
788const EVP_CIPHER *EVP_camellia_128_ecb(void);
789const EVP_CIPHER *EVP_camellia_128_cbc(void);
790const EVP_CIPHER *EVP_camellia_128_cfb1(void);
791const EVP_CIPHER *EVP_camellia_128_cfb8(void);
792const EVP_CIPHER *EVP_camellia_128_cfb128(void);
793# define EVP_camellia_128_cfb EVP_camellia_128_cfb128
794const EVP_CIPHER *EVP_camellia_128_ofb(void);
795const EVP_CIPHER *EVP_camellia_192_ecb(void);
796const EVP_CIPHER *EVP_camellia_192_cbc(void);
797const EVP_CIPHER *EVP_camellia_192_cfb1(void);
798const EVP_CIPHER *EVP_camellia_192_cfb8(void);
799const EVP_CIPHER *EVP_camellia_192_cfb128(void);
800# define EVP_camellia_192_cfb EVP_camellia_192_cfb128
801const EVP_CIPHER *EVP_camellia_192_ofb(void);
802const EVP_CIPHER *EVP_camellia_256_ecb(void);
803const EVP_CIPHER *EVP_camellia_256_cbc(void);
804const EVP_CIPHER *EVP_camellia_256_cfb1(void);
805const EVP_CIPHER *EVP_camellia_256_cfb8(void);
806const EVP_CIPHER *EVP_camellia_256_cfb128(void);
807# define EVP_camellia_256_cfb EVP_camellia_256_cfb128
808const EVP_CIPHER *EVP_camellia_256_ofb(void);
809#endif
810
811#ifndef OPENSSL_NO_SEED
812const EVP_CIPHER *EVP_seed_ecb(void);
813const EVP_CIPHER *EVP_seed_cbc(void);
814const EVP_CIPHER *EVP_seed_cfb128(void);
815# define EVP_seed_cfb EVP_seed_cfb128
816const EVP_CIPHER *EVP_seed_ofb(void);
817#endif
818
819void OPENSSL_add_all_algorithms_noconf(void);
820void OPENSSL_add_all_algorithms_conf(void);
821
822#ifdef OPENSSL_LOAD_CONF
823#define OpenSSL_add_all_algorithms() \
824		OPENSSL_add_all_algorithms_conf()
825#else
826#define OpenSSL_add_all_algorithms() \
827		OPENSSL_add_all_algorithms_noconf()
828#endif
829
830void OpenSSL_add_all_ciphers(void);
831void OpenSSL_add_all_digests(void);
832#define SSLeay_add_all_algorithms() OpenSSL_add_all_algorithms()
833#define SSLeay_add_all_ciphers() OpenSSL_add_all_ciphers()
834#define SSLeay_add_all_digests() OpenSSL_add_all_digests()
835
836int EVP_add_cipher(const EVP_CIPHER *cipher);
837int EVP_add_digest(const EVP_MD *digest);
838
839const EVP_CIPHER *EVP_get_cipherbyname(const char *name);
840const EVP_MD *EVP_get_digestbyname(const char *name);
841void EVP_cleanup(void);
842
843int		EVP_PKEY_decrypt(unsigned char *dec_key,
844			const unsigned char *enc_key,int enc_key_len,
845			EVP_PKEY *private_key);
846int		EVP_PKEY_encrypt(unsigned char *enc_key,
847			const unsigned char *key,int key_len,
848			EVP_PKEY *pub_key);
849int		EVP_PKEY_type(int type);
850int		EVP_PKEY_bits(EVP_PKEY *pkey);
851int		EVP_PKEY_size(EVP_PKEY *pkey);
852int 		EVP_PKEY_assign(EVP_PKEY *pkey,int type,char *key);
853
854#ifndef OPENSSL_NO_RSA
855struct rsa_st;
856int EVP_PKEY_set1_RSA(EVP_PKEY *pkey,struct rsa_st *key);
857struct rsa_st *EVP_PKEY_get1_RSA(EVP_PKEY *pkey);
858#endif
859#ifndef OPENSSL_NO_DSA
860struct dsa_st;
861int EVP_PKEY_set1_DSA(EVP_PKEY *pkey,struct dsa_st *key);
862struct dsa_st *EVP_PKEY_get1_DSA(EVP_PKEY *pkey);
863#endif
864#ifndef OPENSSL_NO_DH
865struct dh_st;
866int EVP_PKEY_set1_DH(EVP_PKEY *pkey,struct dh_st *key);
867struct dh_st *EVP_PKEY_get1_DH(EVP_PKEY *pkey);
868#endif
869#ifndef OPENSSL_NO_EC
870struct ec_key_st;
871int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey,struct ec_key_st *key);
872struct ec_key_st *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey);
873#endif
874
875EVP_PKEY *	EVP_PKEY_new(void);
876void		EVP_PKEY_free(EVP_PKEY *pkey);
877
878EVP_PKEY *	d2i_PublicKey(int type,EVP_PKEY **a, const unsigned char **pp,
879			long length);
880int		i2d_PublicKey(EVP_PKEY *a, unsigned char **pp);
881
882EVP_PKEY *	d2i_PrivateKey(int type,EVP_PKEY **a, const unsigned char **pp,
883			long length);
884EVP_PKEY *	d2i_AutoPrivateKey(EVP_PKEY **a, const unsigned char **pp,
885			long length);
886int		i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp);
887
888int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from);
889int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey);
890int EVP_PKEY_save_parameters(EVP_PKEY *pkey,int mode);
891int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b);
892
893int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b);
894
895int EVP_CIPHER_type(const EVP_CIPHER *ctx);
896
897/* calls methods */
898int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
899int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
900
901/* These are used by EVP_CIPHER methods */
902int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type);
903int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type);
904
905/* PKCS5 password based encryption */
906int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
907			 ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md,
908			 int en_de);
909int PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen,
910			   const unsigned char *salt, int saltlen, int iter,
911			   int keylen, unsigned char *out);
912int PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
913			 ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md,
914			 int en_de);
915
916void PKCS5_PBE_add(void);
917
918int EVP_PBE_CipherInit (ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
919	     ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de);
920int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md,
921		    EVP_PBE_KEYGEN *keygen);
922void EVP_PBE_cleanup(void);
923
924#ifdef OPENSSL_FIPS
925#ifndef OPENSSL_NO_ENGINE
926void int_EVP_MD_set_engine_callbacks(
927	int (*eng_md_init)(ENGINE *impl),
928	int (*eng_md_fin)(ENGINE *impl),
929	int (*eng_md_evp)
930		(EVP_MD_CTX *ctx, const EVP_MD **ptype, ENGINE *impl));
931void int_EVP_MD_init_engine_callbacks(void);
932void int_EVP_CIPHER_set_engine_callbacks(
933	int (*eng_ciph_fin)(ENGINE *impl),
934	int (*eng_ciph_evp)
935		(EVP_CIPHER_CTX *ctx, const EVP_CIPHER **pciph, ENGINE *impl));
936void int_EVP_CIPHER_init_engine_callbacks(void);
937#endif
938#endif
939
940void EVP_add_alg_module(void);
941
942/* BEGIN ERROR CODES */
943/* The following lines are auto generated by the script mkerr.pl. Any changes
944 * made after this point may be overwritten when the script is next run.
945 */
946void ERR_load_EVP_strings(void);
947
948/* Error codes for the EVP functions. */
949
950/* Function codes. */
951#define EVP_F_AES_INIT_KEY				 133
952#define EVP_F_ALG_MODULE_INIT				 138
953#define EVP_F_CAMELLIA_INIT_KEY				 159
954#define EVP_F_D2I_PKEY					 100
955#define EVP_F_DO_EVP_ENC_ENGINE				 140
956#define EVP_F_DO_EVP_ENC_ENGINE_FULL			 141
957#define EVP_F_DO_EVP_MD_ENGINE				 139
958#define EVP_F_DO_EVP_MD_ENGINE_FULL			 142
959#define EVP_F_DSAPKEY2PKCS8				 134
960#define EVP_F_DSA_PKEY2PKCS8				 135
961#define EVP_F_ECDSA_PKEY2PKCS8				 129
962#define EVP_F_ECKEY_PKEY2PKCS8				 132
963#define EVP_F_EVP_CIPHERINIT				 137
964#define EVP_F_EVP_CIPHERINIT_EX				 123
965#define EVP_F_EVP_CIPHER_CTX_CTRL			 124
966#define EVP_F_EVP_CIPHER_CTX_SET_KEY_LENGTH		 122
967#define EVP_F_EVP_DECRYPTFINAL_EX			 101
968#define EVP_F_EVP_DIGESTINIT				 136
969#define EVP_F_EVP_DIGESTINIT_EX				 128
970#define EVP_F_EVP_ENCRYPTFINAL_EX			 127
971#define EVP_F_EVP_MD_CTX_COPY_EX			 110
972#define EVP_F_EVP_OPENINIT				 102
973#define EVP_F_EVP_PBE_ALG_ADD				 115
974#define EVP_F_EVP_PBE_CIPHERINIT			 116
975#define EVP_F_EVP_PKCS82PKEY				 111
976#define EVP_F_EVP_PKEY2PKCS8_BROKEN			 113
977#define EVP_F_EVP_PKEY_COPY_PARAMETERS			 103
978#define EVP_F_EVP_PKEY_DECRYPT				 104
979#define EVP_F_EVP_PKEY_ENCRYPT				 105
980#define EVP_F_EVP_PKEY_GET1_DH				 119
981#define EVP_F_EVP_PKEY_GET1_DSA				 120
982#define EVP_F_EVP_PKEY_GET1_ECDSA			 130
983#define EVP_F_EVP_PKEY_GET1_EC_KEY			 131
984#define EVP_F_EVP_PKEY_GET1_RSA				 121
985#define EVP_F_EVP_PKEY_NEW				 106
986#define EVP_F_EVP_RIJNDAEL				 126
987#define EVP_F_EVP_SIGNFINAL				 107
988#define EVP_F_EVP_VERIFYFINAL				 108
989#define EVP_F_PKCS5_PBE_KEYIVGEN			 117
990#define EVP_F_PKCS5_V2_PBE_KEYIVGEN			 118
991#define EVP_F_PKCS8_SET_BROKEN				 112
992#define EVP_F_RC2_MAGIC_TO_METH				 109
993#define EVP_F_RC5_CTRL					 125
994
995/* Reason codes. */
996#define EVP_R_AES_KEY_SETUP_FAILED			 143
997#define EVP_R_ASN1_LIB					 140
998#define EVP_R_BAD_BLOCK_LENGTH				 136
999#define EVP_R_BAD_DECRYPT				 100
1000#define EVP_R_BAD_KEY_LENGTH				 137
1001#define EVP_R_BN_DECODE_ERROR				 112
1002#define EVP_R_BN_PUBKEY_ERROR				 113
1003#define EVP_R_CAMELLIA_KEY_SETUP_FAILED			 157
1004#define EVP_R_CIPHER_PARAMETER_ERROR			 122
1005#define EVP_R_CTRL_NOT_IMPLEMENTED			 132
1006#define EVP_R_CTRL_OPERATION_NOT_IMPLEMENTED		 133
1007#define EVP_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH		 138
1008#define EVP_R_DECODE_ERROR				 114
1009#define EVP_R_DIFFERENT_KEY_TYPES			 101
1010#define EVP_R_DISABLED_FOR_FIPS				 144
1011#define EVP_R_ENCODE_ERROR				 115
1012#define EVP_R_ERROR_LOADING_SECTION			 145
1013#define EVP_R_ERROR_SETTING_FIPS_MODE			 146
1014#define EVP_R_EVP_PBE_CIPHERINIT_ERROR			 119
1015#define EVP_R_EXPECTING_AN_RSA_KEY			 127
1016#define EVP_R_EXPECTING_A_DH_KEY			 128
1017#define EVP_R_EXPECTING_A_DSA_KEY			 129
1018#define EVP_R_EXPECTING_A_ECDSA_KEY			 141
1019#define EVP_R_EXPECTING_A_EC_KEY			 142
1020#define EVP_R_FIPS_MODE_NOT_SUPPORTED			 147
1021#define EVP_R_INITIALIZATION_ERROR			 134
1022#define EVP_R_INPUT_NOT_INITIALIZED			 111
1023#define EVP_R_INVALID_FIPS_MODE				 148
1024#define EVP_R_INVALID_KEY_LENGTH			 130
1025#define EVP_R_IV_TOO_LARGE				 102
1026#define EVP_R_KEYGEN_FAILURE				 120
1027#define EVP_R_MISSING_PARAMETERS			 103
1028#define EVP_R_NO_CIPHER_SET				 131
1029#define EVP_R_NO_DIGEST_SET				 139
1030#define EVP_R_NO_DSA_PARAMETERS				 116
1031#define EVP_R_NO_SIGN_FUNCTION_CONFIGURED		 104
1032#define EVP_R_NO_VERIFY_FUNCTION_CONFIGURED		 105
1033#define EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE			 117
1034#define EVP_R_PUBLIC_KEY_NOT_RSA			 106
1035#define EVP_R_UNKNOWN_OPTION				 149
1036#define EVP_R_UNKNOWN_PBE_ALGORITHM			 121
1037#define EVP_R_UNSUPORTED_NUMBER_OF_ROUNDS		 135
1038#define EVP_R_UNSUPPORTED_CIPHER			 107
1039#define EVP_R_UNSUPPORTED_KEYLENGTH			 123
1040#define EVP_R_UNSUPPORTED_KEY_DERIVATION_FUNCTION	 124
1041#define EVP_R_UNSUPPORTED_KEY_SIZE			 108
1042#define EVP_R_UNSUPPORTED_PRF				 125
1043#define EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM		 118
1044#define EVP_R_UNSUPPORTED_SALT_TYPE			 126
1045#define EVP_R_WRONG_FINAL_BLOCK_LENGTH			 109
1046#define EVP_R_WRONG_PUBLIC_KEY_TYPE			 110
1047#define EVP_R_SEED_KEY_SETUP_FAILED			 162
1048
1049#ifdef  __cplusplus
1050}
1051#endif
1052#endif
1053