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d02b48c6 1/* crypto/evp/evp.h */
58964a49 2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
d02b48c6
RE		 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
911ea946
UM		 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
d66ace9d
BL		 70#include <openssl/types.h>
71
cf1b7d96 72#ifndef OPENSSL_NO_BIO
ef33b970
RL		 73#include <openssl/bio.h>
74#endif
d02b48c6 75
dbad1690 76/*
58964a49
RE		 77#define EVP_RC2_KEY_SIZE 16
78#define EVP_RC4_KEY_SIZE 16
79#define EVP_BLOWFISH_KEY_SIZE 16
80#define EVP_CAST5_KEY_SIZE 16
81#define EVP_RC5_32_12_16_KEY_SIZE 16
dbad1690 82*/
58964a49 83#define EVP_MAX_MD_SIZE (16+20) /* The SSLv3 md5+sha1 type */
3ab56511
RL		 84#define EVP_MAX_KEY_LENGTH 32
85#define EVP_MAX_IV_LENGTH 16
757e392d 86#define EVP_MAX_BLOCK_LENGTH 32
d02b48c6 87
8e21c146 88#define PKCS5_SALT_LEN 8
b7d135b3
DSH		 89/* Default PKCS#5 iteration count */
90#define PKCS5_DEFAULT_ITER 2048
8e21c146 91
ec577822 92#include <openssl/objects.h>
d02b48c6
RE		 93
94#define EVP_PK_RSA 0x0001
95#define EVP_PK_DSA 0x0002
96#define EVP_PK_DH 0x0004
97#define EVP_PKT_SIGN 0x0010
98#define EVP_PKT_ENC 0x0020
99#define EVP_PKT_EXCH 0x0040
100#define EVP_PKS_RSA 0x0100
101#define EVP_PKS_DSA 0x0200
102#define EVP_PKT_EXP 0x1000 /* <= 512 bit key */
103
104#define EVP_PKEY_NONE NID_undef
105#define EVP_PKEY_RSA NID_rsaEncryption
106#define EVP_PKEY_RSA2 NID_rsa
107#define EVP_PKEY_DSA NID_dsa
58964a49 108#define EVP_PKEY_DSA1 NID_dsa_2
d02b48c6
RE		 109#define EVP_PKEY_DSA2 NID_dsaWithSHA
110#define EVP_PKEY_DSA3 NID_dsaWithSHA1
58964a49 111#define EVP_PKEY_DSA4 NID_dsaWithSHA1_2
d02b48c6
RE		 112#define EVP_PKEY_DH NID_dhKeyAgreement
113
82271cee
RL		 114#ifdef __cplusplus
115extern "C" {
116#endif
117
58964a49
RE		 118/* Type needs to be a bit field
119 * Sub-type needs to be for variations on the method, as in, can it do
657e60fa 120 * arbitrary encryption.... */
d66ace9d 121struct evp_pkey_st
d02b48c6
RE		 122 {
123 int type;
124 int save_type;
125 int references;
126 union {
127 char *ptr;
cf1b7d96 128#ifndef OPENSSL_NO_RSA
d02b48c6 129 struct rsa_st *rsa; /* RSA */
f5d7a031 130#endif
cf1b7d96 131#ifndef OPENSSL_NO_DSA
d02b48c6 132 struct dsa_st *dsa; /* DSA */
f5d7a031 133#endif
cf1b7d96 134#ifndef OPENSSL_NO_DH
d02b48c6 135 struct dh_st *dh; /* DH */
f5d7a031 136#endif
d02b48c6
RE		 137 } pkey;
138 int save_parameters;
4d29312c 139 STACK_OF(X509_ATTRIBUTE) *attributes; /* [ 0 ] */
b9fdb3eb 140 } /* EVP_PKEY */;
d02b48c6 141
58964a49
RE		 142#define EVP_PKEY_MO_SIGN 0x0001
143#define EVP_PKEY_MO_VERIFY 0x0002
144#define EVP_PKEY_MO_ENCRYPT 0x0004
145#define EVP_PKEY_MO_DECRYPT 0x0008
146
147#if 0
148/* This structure is required to tie the message digest and signing together.
149 * The lookup can be done by md/pkey_method, oid, oid/pkey_method, or
150 * oid, md and pkey.
151 * This is required because for various smart-card perform the digest and
152 * signing/verification on-board. To handle this case, the specific
153 * EVP_MD and EVP_PKEY_METHODs need to be closely associated.
dfeab068 154 * When a PKEY is created, it will have a EVP_PKEY_METHOD associated with it.
58964a49
RE		 155 * This can either be software or a token to provide the required low level
156 * routines.
157 */
158typedef struct evp_pkey_md_st
159 {
160 int oid;
161 EVP_MD *md;
162 EVP_PKEY_METHOD *pkey;
163 } EVP_PKEY_MD;
164
0ae645db 165#define EVP_rsa_md2() \
58964a49
RE		 166 EVP_PKEY_MD_add(NID_md2WithRSAEncryption,\
167 EVP_rsa_pkcs1(),EVP_md2())
0ae645db 168#define EVP_rsa_md5() \
58964a49
RE		 169 EVP_PKEY_MD_add(NID_md5WithRSAEncryption,\
170 EVP_rsa_pkcs1(),EVP_md5())
0ae645db 171#define EVP_rsa_sha0() \
58964a49
RE		 172 EVP_PKEY_MD_add(NID_shaWithRSAEncryption,\
173 EVP_rsa_pkcs1(),EVP_sha())
0ae645db 174#define EVP_rsa_sha1() \
58964a49
RE		 175 EVP_PKEY_MD_add(NID_sha1WithRSAEncryption,\
176 EVP_rsa_pkcs1(),EVP_sha1())
0ae645db 177#define EVP_rsa_ripemd160() \
58964a49
RE		 178 EVP_PKEY_MD_add(NID_ripemd160WithRSA,\
179 EVP_rsa_pkcs1(),EVP_ripemd160())
0ae645db 180#define EVP_rsa_mdc2() \
58964a49
RE		 181 EVP_PKEY_MD_add(NID_mdc2WithRSA,\
182 EVP_rsa_octet_string(),EVP_mdc2())
0ae645db 183#define EVP_dsa_sha() \
58964a49
RE		 184 EVP_PKEY_MD_add(NID_dsaWithSHA,\
185 EVP_dsa(),EVP_mdc2())
0ae645db 186#define EVP_dsa_sha1() \
58964a49
RE		 187 EVP_PKEY_MD_add(NID_dsaWithSHA1,\
188 EVP_dsa(),EVP_sha1())
189
190typedef struct evp_pkey_method_st
191 {
192 char *name;
193 int flags;
194 int type; /* RSA, DSA, an SSLeay specific constant */
195 int oid; /* For the pub-key type */
196 int encrypt_oid; /* pub/priv key encryption */
197
198 int (*sign)();
199 int (*verify)();
200 struct {
58964a49
RE		 201 int (*set)(); /* get and/or set the underlying type */
202 int (*get)();
203 int (*encrypt)();
204 int (*decrypt)();
205 int (*i2d)();
206 int (*d2i)();
207 int (*dup)();
208 } pub,priv;
209 int (*set_asn1_parameters)();
210 int (*get_asn1_parameters)();
211 } EVP_PKEY_METHOD;
212#endif
213
d02b48c6 214#ifndef EVP_MD
d66ace9d 215struct env_md_st
d02b48c6
RE		 216 {
217 int type;
218 int pkey_type;
219 int md_size;
26188931
BL		 220 unsigned long flags;
221 int (*init)(EVP_MD_CTX *ctx);
222 int (*update)(EVP_MD_CTX *ctx,const void *data,unsigned long count);
223 int (*final)(EVP_MD_CTX *ctx,unsigned char *md);
224 int (*copy)(EVP_MD_CTX *to,const EVP_MD_CTX *from);
d02b48c6 225
26188931 226 /* FIXME: prototype these some day */
d02b48c6
RE		 227 int (*sign)();
228 int (*verify)();
58964a49
RE		 229 int required_pkey_type[5]; /*EVP_PKEY_xxx */
230 int block_size;
dbad1690 231 int ctx_size; /* how big does the ctx->md_data need to be */
b9fdb3eb 232 } /* EVP_MD */;
d02b48c6 233
26188931
BL		 234#define EVP_MD_FLAG_ONESHOT 0x0001 /* digest can only handle a single
235 * block */
cfcefcbe 236
d02b48c6
RE		 237#define EVP_PKEY_NULL_method NULL,NULL,{0,0,0,0}
238
cf1b7d96 239#ifndef OPENSSL_NO_DSA
d02b48c6 240#define EVP_PKEY_DSA_method DSA_sign,DSA_verify, \
58964a49
RE		 241 {EVP_PKEY_DSA,EVP_PKEY_DSA2,EVP_PKEY_DSA3, \
242 EVP_PKEY_DSA4,0}
d02b48c6
RE		 243#else
244#define EVP_PKEY_DSA_method EVP_PKEY_NULL_method
245#endif
246
cf1b7d96 247#ifndef OPENSSL_NO_RSA
d02b48c6
RE		 248#define EVP_PKEY_RSA_method RSA_sign,RSA_verify, \
249 {EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0}
250#define EVP_PKEY_RSA_ASN1_OCTET_STRING_method \
251 RSA_sign_ASN1_OCTET_STRING, \
252 RSA_verify_ASN1_OCTET_STRING, \
253 {EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0}
254#else
255#define EVP_PKEY_RSA_method EVP_PKEY_NULL_method
256#define EVP_PKEY_RSA_ASN1_OCTET_STRING_method EVP_PKEY_NULL_method
257#endif
258
259#endif /* !EVP_MD */
260
26188931 261struct env_md_ctx_st
d02b48c6 262 {
e778802f 263 const EVP_MD *digest;
26188931 264 unsigned long flags;
dbad1690 265 void *md_data;
26188931
BL		 266 } /* EVP_MD_CTX */;
267
268/* values for EVP_MD_CTX flags */
269
270#define EVP_MD_CTX_FLAG_ONESHOT 0x0001 /* digest update will be called
271 * once only */
d02b48c6 272
7f060601 273struct evp_cipher_st
d02b48c6
RE		 274 {
275 int nid;
276 int block_size;
7f060601 277 int key_len; /* Default value for variable length ciphers */
d02b48c6 278 int iv_len;
7f060601 279 unsigned long flags; /* Various flags */
1921eaad
BL		 280 int (*init)(EVP_CIPHER_CTX *ctx, const unsigned char *key,
281 const unsigned char *iv, int enc); /* init key */
282 int (*do_cipher)(EVP_CIPHER_CTX *ctx, unsigned char *out,
283 const unsigned char *in, unsigned int inl);/* encrypt/decrypt data */
be06a934 284 int (*cleanup)(EVP_CIPHER_CTX *); /* cleanup ctx */
dbad1690 285 int ctx_size; /* how big ctx->cipher_data needs to be */
7f060601
DSH		 286 int (*set_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Populate a ASN1_TYPE with parameters */
287 int (*get_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Get parameters from a ASN1_TYPE */
288 int (*ctrl)(EVP_CIPHER_CTX *, int type, int arg, void *ptr); /* Miscellaneous operations */
360370d9 289 void *app_data; /* Application data */
e51d1321 290 } /* EVP_CIPHER */;
7f060601
DSH		 291
292/* Values for cipher flags */
293
360370d9 294/* Modes for ciphers */
7f060601 295
360370d9 296#define EVP_CIPH_STREAM_CIPHER 0x0
7f060601
DSH		 297#define EVP_CIPH_ECB_MODE 0x1
298#define EVP_CIPH_CBC_MODE 0x2
299#define EVP_CIPH_CFB_MODE 0x3
300#define EVP_CIPH_OFB_MODE 0x4
360370d9 301#define EVP_CIPH_MODE 0x7
7f060601
DSH		 302/* Set if variable length cipher */
303#define EVP_CIPH_VARIABLE_LENGTH 0x8
360370d9
DSH		 304/* Set if the iv handling should be done by the cipher itself */
305#define EVP_CIPH_CUSTOM_IV 0x10
306/* Set if the cipher's init() function should be called if key is NULL */
307#define EVP_CIPH_ALWAYS_CALL_INIT 0x20
57ae2e24
DSH		 308/* Call ctrl() to init cipher parameters */
309#define EVP_CIPH_CTRL_INIT 0x40
310/* Don't use standard key length function */
311#define EVP_CIPH_CUSTOM_KEY_LENGTH 0x80
f2e5ca84
DSH		 312/* Don't use standard block padding */
313#define EVP_CIPH_NO_PADDING 0x100
7f060601 314
57ae2e24
DSH		 315/* ctrl() values */
316
317#define EVP_CTRL_INIT 0x0
318#define EVP_CTRL_SET_KEY_LENGTH 0x1
319#define EVP_CTRL_GET_RC2_KEY_BITS 0x2
320#define EVP_CTRL_SET_RC2_KEY_BITS 0x3
321#define EVP_CTRL_GET_RC5_ROUNDS 0x4
322#define EVP_CTRL_SET_RC5_ROUNDS 0x5
d02b48c6
RE		 323
324typedef struct evp_cipher_info_st
325 {
e778802f 326 const EVP_CIPHER *cipher;
d02b48c6
RE		 327 unsigned char iv[EVP_MAX_IV_LENGTH];
328 } EVP_CIPHER_INFO;
329
7f060601 330struct evp_cipher_ctx_st
d02b48c6 331 {
e778802f 332 const EVP_CIPHER *cipher;
d02b48c6
RE		 333 int encrypt; /* encrypt or decrypt */
334 int buf_len; /* number we have left */
58964a49
RE		 335
336 unsigned char oiv[EVP_MAX_IV_LENGTH]; /* original iv */
337 unsigned char iv[EVP_MAX_IV_LENGTH]; /* working iv */
757e392d 338 unsigned char buf[EVP_MAX_BLOCK_LENGTH];/* saved partial block */
58964a49
RE		 339 int num; /* used by cfb/ofb mode */
340
7f060601
DSH		 341 void *app_data; /* application stuff */
342 int key_len; /* May change for variable length cipher */
f2e5ca84 343 unsigned long flags; /* Various flags */
dbad1690 344 void *cipher_data; /* per EVP data */
c148d709
BL		 345 int final_used;
346 int block_mask;
347 unsigned char final[EVP_MAX_BLOCK_LENGTH];/* possible final block */
e51d1321 348 } /* EVP_CIPHER_CTX */;
d02b48c6
RE		 349
350typedef struct evp_Encode_Ctx_st
351 {
352 int num; /* number saved in a partial encode/decode */
353 int length; /* The length is either the output line length
354 * (in input bytes) or the shortest input line
355 * length that is ok. Once decoding begins,
356 * the length is adjusted up each time a longer
357 * line is decoded */
358 unsigned char enc_data[80]; /* data to encode */
359 int line_num; /* number read on current line */
58964a49 360 int expect_nl;
d02b48c6
RE		 361 } EVP_ENCODE_CTX;
362
cfcefcbe 363/* Password based encryption function */
2bd83ca1 364typedef int (EVP_PBE_KEYGEN)(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
13588350
DSH		 365 ASN1_TYPE *param, const EVP_CIPHER *cipher,
366 const EVP_MD *md, int en_de);
cfcefcbe 367
cf1b7d96 368#ifndef OPENSSL_NO_RSA
d02b48c6
RE		 369#define EVP_PKEY_assign_RSA(pkey,rsa) EVP_PKEY_assign((pkey),EVP_PKEY_RSA,\
370 (char *)(rsa))
9ef9e785
RL		 371#endif
372
cf1b7d96 373#ifndef OPENSSL_NO_DSA
d02b48c6
RE		 374#define EVP_PKEY_assign_DSA(pkey,dsa) EVP_PKEY_assign((pkey),EVP_PKEY_DSA,\
375 (char *)(dsa))
9ef9e785
RL		 376#endif
377
cf1b7d96 378#ifndef OPENSSL_NO_DH
d02b48c6
RE		 379#define EVP_PKEY_assign_DH(pkey,dh) EVP_PKEY_assign((pkey),EVP_PKEY_DH,\
380 (char *)(dh))
9ef9e785 381#endif
d02b48c6
RE		 382
383/* Add some extra combinations */
384#define EVP_get_digestbynid(a) EVP_get_digestbyname(OBJ_nid2sn(a))
385#define EVP_get_digestbyobj(a) EVP_get_digestbynid(OBJ_obj2nid(a))
386#define EVP_get_cipherbynid(a) EVP_get_cipherbyname(OBJ_nid2sn(a))
387#define EVP_get_cipherbyobj(a) EVP_get_cipherbynid(OBJ_obj2nid(a))
388
389#define EVP_MD_type(e) ((e)->type)
4897dc40
BL		 390#define EVP_MD_nid(e) EVP_MD_type(e)
391#define EVP_MD_name(e) OBJ_nid2sn(EVP_MD_nid(e))
d02b48c6
RE		 392#define EVP_MD_pkey_type(e) ((e)->pkey_type)
393#define EVP_MD_size(e) ((e)->md_size)
58964a49
RE		 394#define EVP_MD_block_size(e) ((e)->block_size)
395
72b60351 396#define EVP_MD_CTX_md(e) ((e)->digest)
58964a49
RE		 397#define EVP_MD_CTX_size(e) EVP_MD_size((e)->digest)
398#define EVP_MD_CTX_block_size(e) EVP_MD_block_size((e)->digest)
72b60351 399#define EVP_MD_CTX_type(e) EVP_MD_type((e)->digest)
d02b48c6
RE		 400
401#define EVP_CIPHER_nid(e) ((e)->nid)
0e360199 402#define EVP_CIPHER_name(e) OBJ_nid2sn(EVP_CIPHER_nid(e))
d02b48c6
RE		 403#define EVP_CIPHER_block_size(e) ((e)->block_size)
404#define EVP_CIPHER_key_length(e) ((e)->key_len)
405#define EVP_CIPHER_iv_length(e) ((e)->iv_len)
360370d9
DSH		 406#define EVP_CIPHER_flags(e) ((e)->flags)
407#define EVP_CIPHER_mode(e) ((e)->flags) & EVP_CIPH_MODE)
d02b48c6
RE		 408
409#define EVP_CIPHER_CTX_cipher(e) ((e)->cipher)
410#define EVP_CIPHER_CTX_nid(e) ((e)->cipher->nid)
411#define EVP_CIPHER_CTX_block_size(e) ((e)->cipher->block_size)
7f060601 412#define EVP_CIPHER_CTX_key_length(e) ((e)->key_len)
d02b48c6
RE		 413#define EVP_CIPHER_CTX_iv_length(e) ((e)->cipher->iv_len)
414#define EVP_CIPHER_CTX_get_app_data(e) ((e)->app_data)
415#define EVP_CIPHER_CTX_set_app_data(e,d) ((e)->app_data=(char *)(d))
884e8ec6 416#define EVP_CIPHER_CTX_type(c) EVP_CIPHER_type(EVP_CIPHER_CTX_cipher(c))
360370d9
DSH		 417#define EVP_CIPHER_CTX_flags(e) ((e)->cipher->flags)
418#define EVP_CIPHER_CTX_mode(e) ((e)->cipher->flags & EVP_CIPH_MODE)
d02b48c6
RE		 419
420#define EVP_ENCODE_LENGTH(l) (((l+2)/3*4)+(l/48+1)*2+80)
421#define EVP_DECODE_LENGTH(l) ((l+3)/4*3+80)
422
423#define EVP_SignInit(a,b) EVP_DigestInit(a,b)
424#define EVP_SignUpdate(a,b,c) EVP_DigestUpdate(a,b,c)
425#define EVP_VerifyInit(a,b) EVP_DigestInit(a,b)
426#define EVP_VerifyUpdate(a,b,c) EVP_DigestUpdate(a,b,c)
427#define EVP_OpenUpdate(a,b,c,d,e) EVP_DecryptUpdate(a,b,c,d,e)
428#define EVP_SealUpdate(a,b,c,d,e) EVP_EncryptUpdate(a,b,c,d,e)
429
e778802f
BL		 430#ifdef CONST_STRICT
431void BIO_set_md(BIO *,const EVP_MD *md);
432#else
433# define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,0,(char *)md)
434#endif
d02b48c6
RE		 435#define BIO_get_md(b,mdp) BIO_ctrl(b,BIO_C_GET_MD,0,(char *)mdp)
436#define BIO_get_md_ctx(b,mdcp) BIO_ctrl(b,BIO_C_GET_MD_CTX,0,(char *)mdcp)
437#define BIO_get_cipher_status(b) BIO_ctrl(b,BIO_C_GET_CIPHER_STATUS,0,NULL)
dfeab068 438#define BIO_get_cipher_ctx(b,c_pp) BIO_ctrl(b,BIO_C_GET_CIPHER_CTX,0,(char *)c_pp)
d02b48c6
RE		 439
440#define EVP_Cipher(c,o,i,l) (c)->cipher->do_cipher((c),(o),(i),(l))
441
dfeab068
RE		 442#define EVP_add_cipher_alias(n,alias) \
443 OBJ_NAME_add((alias),OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS,(n))
444#define EVP_add_digest_alias(n,alias) \
445 OBJ_NAME_add((alias),OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,(n))
446#define EVP_delete_cipher_alias(alias) \
447 OBJ_NAME_remove(alias,OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS);
448#define EVP_delete_digest_alias(alias) \
449 OBJ_NAME_remove(alias,OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS);
450
dbad1690
BL		 451void EVP_MD_CTX_init(EVP_MD_CTX *ctx);
452int EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx);
453EVP_MD_CTX *EVP_MD_CTX_create(void);
454void EVP_MD_CTX_destroy(EVP_MD_CTX *ctx);
455int EVP_MD_CTX_copy(EVP_MD_CTX *out,const EVP_MD_CTX *in);
26188931 456#define EVP_MD_CTX_set_flags(ctx,flgs) ((ctx)->flags|=(flgs))
1f3b6580
BL		 457#ifdef CRYPTO_MDEBUG
458int EVP_DigestInit_dbg(EVP_MD_CTX *ctx, const EVP_MD *type,
459 const char *file,int line);
460#define EVP_DigestInit(ctx,type) EVP_DigestInit_dbg(ctx,type,__FILE__,__LINE__)
461#else
2dc769a1 462int EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type);
1f3b6580 463#endif
2dc769a1 464int EVP_DigestUpdate(EVP_MD_CTX *ctx,const void *d,
e778802f 465 unsigned int cnt);
2dc769a1 466int EVP_DigestFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s);
88ce56f8
DSH		 467int EVP_Digest(void *data, unsigned int count,
468 unsigned char *md, unsigned int *size, const EVP_MD *type);
d02b48c6 469
e778802f 470int EVP_read_pw_string(char *buf,int length,const char *prompt,int verify);
d02b48c6
RE		 471void EVP_set_pw_prompt(char *prompt);
472char * EVP_get_pw_prompt(void);
473
854e076d
LJ		 474int EVP_BytesToKey(const EVP_CIPHER *type,const EVP_MD *md,
475 const unsigned char *salt, const unsigned char *data,
476 int datal, int count, unsigned char *key,unsigned char *iv);
d02b48c6 477
be06a934 478int EVP_EncryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
0e360199 479 const unsigned char *key, const unsigned char *iv);
be06a934 480int EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
0e360199 481 int *outl, const unsigned char *in, int inl);
be06a934 482int EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
d02b48c6 483
be06a934 484int EVP_DecryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
0e360199 485 const unsigned char *key, const unsigned char *iv);
be06a934 486int EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
0e360199 487 int *outl, const unsigned char *in, int inl);
d02b48c6
RE		 488int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
489
be06a934 490int EVP_CipherInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
0e360199
BL		 491 const unsigned char *key,const unsigned char *iv,
492 int enc);
be06a934 493int EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
0e360199 494 int *outl, const unsigned char *in, int inl);
d02b48c6
RE		 495int EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
496
497int EVP_SignFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s,
498 EVP_PKEY *pkey);
499
500int EVP_VerifyFinal(EVP_MD_CTX *ctx,unsigned char *sigbuf,
501 unsigned int siglen,EVP_PKEY *pkey);
502
503int EVP_OpenInit(EVP_CIPHER_CTX *ctx,EVP_CIPHER *type,unsigned char *ek,
504 int ekl,unsigned char *iv,EVP_PKEY *priv);
505int EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
506
507int EVP_SealInit(EVP_CIPHER_CTX *ctx, EVP_CIPHER *type, unsigned char **ek,
508 int *ekl, unsigned char *iv,EVP_PKEY **pubk, int npubk);
509void EVP_SealFinal(EVP_CIPHER_CTX *ctx,unsigned char *out,int *outl);
510
511void EVP_EncodeInit(EVP_ENCODE_CTX *ctx);
512void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,
513 int *outl,unsigned char *in,int inl);
514void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl);
092ec334 515int EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int n);
d02b48c6
RE		 516
517void EVP_DecodeInit(EVP_ENCODE_CTX *ctx);
518int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl,
519 unsigned char *in, int inl);
520int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned
521 char *out, int *outl);
092ec334 522int EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n);
d02b48c6
RE		 523
524void ERR_load_EVP_strings(void );
525
58964a49 526void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *a);
be06a934 527int EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *a);
7f060601 528int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *x, int keylen);
f2e5ca84 529int EVP_CIPHER_CTX_set_padding(EVP_CIPHER_CTX *c, int pad);
49528751 530int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr);
d02b48c6 531
cf1b7d96 532#ifndef OPENSSL_NO_BIO
d02b48c6
RE		 533BIO_METHOD *BIO_f_md(void);
534BIO_METHOD *BIO_f_base64(void);
535BIO_METHOD *BIO_f_cipher(void);
55ab3bf7 536BIO_METHOD *BIO_f_reliable(void);
e778802f 537void BIO_set_cipher(BIO *b,const EVP_CIPHER *c,unsigned char *k,
d02b48c6
RE		 538 unsigned char *i, int enc);
539#endif
540
13588350 541const EVP_MD *EVP_md_null(void);
cf1b7d96 542#ifndef OPENSSL_NO_MD2
13588350 543const EVP_MD *EVP_md2(void);
9ef9e785 544#endif
cf1b7d96 545#ifndef OPENSSL_NO_MD4
13588350 546const EVP_MD *EVP_md4(void);
9ef9e785 547#endif
cf1b7d96 548#ifndef OPENSSL_NO_MD5
13588350 549const EVP_MD *EVP_md5(void);
9ef9e785 550#endif
cf1b7d96 551#ifndef OPENSSL_NO_SHA
13588350
DSH		 552const EVP_MD *EVP_sha(void);
553const EVP_MD *EVP_sha1(void);
554const EVP_MD *EVP_dss(void);
555const EVP_MD *EVP_dss1(void);
9ef9e785 556#endif
cf1b7d96 557#ifndef OPENSSL_NO_MDC2
13588350 558const EVP_MD *EVP_mdc2(void);
9ef9e785 559#endif
cf1b7d96 560#ifndef OPENSSL_NO_RIPEMD
13588350 561const EVP_MD *EVP_ripemd160(void);
9ef9e785 562#endif
13588350 563const EVP_CIPHER *EVP_enc_null(void); /* does nothing :-) */
cf1b7d96 564#ifndef OPENSSL_NO_DES
13588350
DSH		 565const EVP_CIPHER *EVP_des_ecb(void);
566const EVP_CIPHER *EVP_des_ede(void);
567const EVP_CIPHER *EVP_des_ede3(void);
568const EVP_CIPHER *EVP_des_cfb(void);
569const EVP_CIPHER *EVP_des_ede_cfb(void);
570const EVP_CIPHER *EVP_des_ede3_cfb(void);
571const EVP_CIPHER *EVP_des_ofb(void);
572const EVP_CIPHER *EVP_des_ede_ofb(void);
573const EVP_CIPHER *EVP_des_ede3_ofb(void);
574const EVP_CIPHER *EVP_des_cbc(void);
575const EVP_CIPHER *EVP_des_ede_cbc(void);
576const EVP_CIPHER *EVP_des_ede3_cbc(void);
577const EVP_CIPHER *EVP_desx_cbc(void);
c518ade1
BL		 578# ifdef OPENSSL_OPENBSD_DEV_CRYPTO
579const EVP_CIPHER *EVP_dev_crypto_des_ede3_cbc(void);
82b22305 580const EVP_CIPHER *EVP_dev_crypto_rc4(void);
4897dc40 581const EVP_MD *EVP_dev_crypto_md5(void);
c518ade1 582# endif
9ef9e785 583#endif
cf1b7d96 584#ifndef OPENSSL_NO_RC4
13588350
DSH		 585const EVP_CIPHER *EVP_rc4(void);
586const EVP_CIPHER *EVP_rc4_40(void);
9ef9e785 587#endif
cf1b7d96 588#ifndef OPENSSL_NO_IDEA
13588350
DSH		 589const EVP_CIPHER *EVP_idea_ecb(void);
590const EVP_CIPHER *EVP_idea_cfb(void);
591const EVP_CIPHER *EVP_idea_ofb(void);
592const EVP_CIPHER *EVP_idea_cbc(void);
9ef9e785 593#endif
cf1b7d96 594#ifndef OPENSSL_NO_RC2
13588350
DSH		 595const EVP_CIPHER *EVP_rc2_ecb(void);
596const EVP_CIPHER *EVP_rc2_cbc(void);
597const EVP_CIPHER *EVP_rc2_40_cbc(void);
598const EVP_CIPHER *EVP_rc2_64_cbc(void);
599const EVP_CIPHER *EVP_rc2_cfb(void);
600const EVP_CIPHER *EVP_rc2_ofb(void);
9ef9e785 601#endif
cf1b7d96 602#ifndef OPENSSL_NO_BF
13588350
DSH		 603const EVP_CIPHER *EVP_bf_ecb(void);
604const EVP_CIPHER *EVP_bf_cbc(void);
605const EVP_CIPHER *EVP_bf_cfb(void);
606const EVP_CIPHER *EVP_bf_ofb(void);
9ef9e785 607#endif
cf1b7d96 608#ifndef OPENSSL_NO_CAST
13588350
DSH		 609const EVP_CIPHER *EVP_cast5_ecb(void);
610const EVP_CIPHER *EVP_cast5_cbc(void);
611const EVP_CIPHER *EVP_cast5_cfb(void);
612const EVP_CIPHER *EVP_cast5_ofb(void);
9ef9e785 613#endif
cf1b7d96 614#ifndef OPENSSL_NO_RC5
13588350
DSH		 615const EVP_CIPHER *EVP_rc5_32_12_16_cbc(void);
616const EVP_CIPHER *EVP_rc5_32_12_16_ecb(void);
617const EVP_CIPHER *EVP_rc5_32_12_16_cfb(void);
618const EVP_CIPHER *EVP_rc5_32_12_16_ofb(void);
9ef9e785 619#endif
cf1b7d96 620#ifndef OPENSSL_NO_AES
13588350
DSH		 621const EVP_CIPHER *EVP_aes_128_ecb(void);
622const EVP_CIPHER *EVP_aes_128_cbc(void);
623const EVP_CIPHER *EVP_aes_192_ecb(void);
624const EVP_CIPHER *EVP_aes_192_cbc(void);
625const EVP_CIPHER *EVP_aes_256_ecb(void);
626const EVP_CIPHER *EVP_aes_256_cbc(void);
3ab56511
RL		 627#endif
628
af57d843
DSH		 629void OpenSSL_add_all_algorithms(void);
630void OpenSSL_add_all_ciphers(void);
631void OpenSSL_add_all_digests(void);
632#define SSLeay_add_all_algorithms() OpenSSL_add_all_algorithms()
633#define SSLeay_add_all_ciphers() OpenSSL_add_all_ciphers()
634#define SSLeay_add_all_digests() OpenSSL_add_all_digests()
d02b48c6 635
13588350
DSH		 636int EVP_add_cipher(const EVP_CIPHER *cipher);
637int EVP_add_digest(const EVP_MD *digest);
d02b48c6 638
e778802f
BL		 639const EVP_CIPHER *EVP_get_cipherbyname(const char *name);
640const EVP_MD *EVP_get_digestbyname(const char *name);
d02b48c6
RE		 641void EVP_cleanup(void);
642
58964a49
RE		 643int EVP_PKEY_decrypt(unsigned char *dec_key,unsigned char *enc_key,
644 int enc_key_len,EVP_PKEY *private_key);
645int EVP_PKEY_encrypt(unsigned char *enc_key,
646 unsigned char *key,int key_len,EVP_PKEY *pub_key);
d02b48c6 647int EVP_PKEY_type(int type);
58964a49 648int EVP_PKEY_bits(EVP_PKEY *pkey);
d02b48c6
RE		 649int EVP_PKEY_size(EVP_PKEY *pkey);
650int EVP_PKEY_assign(EVP_PKEY *pkey,int type,char *key);
bb2297a4 651
cf1b7d96 652#ifndef OPENSSL_NO_RSA
bb2297a4
BL		 653struct rsa_st;
654int EVP_PKEY_set1_RSA(EVP_PKEY *pkey,struct rsa_st *key);
655struct rsa_st *EVP_PKEY_get1_RSA(EVP_PKEY *pkey);
12aefe78 656#endif
cf1b7d96 657#ifndef OPENSSL_NO_DSA
bb2297a4
BL		 658struct dsa_st;
659int EVP_PKEY_set1_DSA(EVP_PKEY *pkey,struct dsa_st *key);
660struct dsa_st *EVP_PKEY_get1_DSA(EVP_PKEY *pkey);
12aefe78 661#endif
cf1b7d96 662#ifndef OPENSSL_NO_DH
bb2297a4
BL		 663struct dh_st;
664int EVP_PKEY_set1_DH(EVP_PKEY *pkey,struct dh_st *key);
665struct dh_st *EVP_PKEY_get1_DH(EVP_PKEY *pkey);
12aefe78 666#endif
bb2297a4
BL		 667
668
d02b48c6
RE		 669EVP_PKEY * EVP_PKEY_new(void);
670void EVP_PKEY_free(EVP_PKEY *pkey);
671EVP_PKEY * d2i_PublicKey(int type,EVP_PKEY **a, unsigned char **pp,
672 long length);
673int i2d_PublicKey(EVP_PKEY *a, unsigned char **pp);
674
675EVP_PKEY * d2i_PrivateKey(int type,EVP_PKEY **a, unsigned char **pp,
676 long length);
20432eae
DSH		 677EVP_PKEY * d2i_AutoPrivateKey(EVP_PKEY **a, unsigned char **pp,
678 long length);
d02b48c6
RE		 679int i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp);
680
681int EVP_PKEY_copy_parameters(EVP_PKEY *to,EVP_PKEY *from);
682int EVP_PKEY_missing_parameters(EVP_PKEY *pkey);
683int EVP_PKEY_save_parameters(EVP_PKEY *pkey,int mode);
58964a49
RE		 684int EVP_PKEY_cmp_parameters(EVP_PKEY *a,EVP_PKEY *b);
685
84fa704c 686int EVP_CIPHER_type(const EVP_CIPHER *ctx);
884e8ec6 687
58964a49
RE		 688/* calls methods */
689int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
690int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
691
692/* These are used by EVP_CIPHER methods */
693int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type);
694int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type);
d02b48c6 695
b0c6fb80 696/* PKCS5 password based encryption */
2bd83ca1 697int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
13588350 698 ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md,
2bd83ca1 699 int en_de);
97e4a932 700int PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen,
72fbe87d
BL		 701 unsigned char *salt, int saltlen, int iter,
702 int keylen, unsigned char *out);
97e4a932 703int PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
13588350 704 ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md,
97e4a932 705 int en_de);
b0c6fb80 706
600dec15
DSH		 707void PKCS5_PBE_add(void);
708
69cbf468
DSH		 709int EVP_PBE_CipherInit (ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
710 ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de);
13588350 711int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md,
69cbf468
DSH		 712 EVP_PBE_KEYGEN *keygen);
713void EVP_PBE_cleanup(void);
714
d02b48c6 715/* BEGIN ERROR CODES */
6d311938
DSH		 716/* The following lines are auto generated by the script mkerr.pl. Any changes
717 * made after this point may be overwritten when the script is next run.
718 */
719
d02b48c6
RE		 720/* Error codes for the EVP functions. */
721
722/* Function codes. */
723#define EVP_F_D2I_PKEY 100
360370d9 724#define EVP_F_EVP_CIPHERINIT 123
49528751 725#define EVP_F_EVP_CIPHER_CTX_CTRL 124
7f060601 726#define EVP_F_EVP_CIPHER_CTX_SET_KEY_LENGTH 122
d02b48c6 727#define EVP_F_EVP_DECRYPTFINAL 101
f2e5ca84 728#define EVP_F_EVP_ENCRYPTFINAL 127
cfcefcbe 729#define EVP_F_EVP_MD_CTX_COPY 110
d02b48c6 730#define EVP_F_EVP_OPENINIT 102
cfcefcbe
DSH		 731#define EVP_F_EVP_PBE_ALG_ADD 115
732#define EVP_F_EVP_PBE_CIPHERINIT 116
733#define EVP_F_EVP_PKCS82PKEY 111
734#define EVP_F_EVP_PKCS8_SET_BROKEN 112
735#define EVP_F_EVP_PKEY2PKCS8 113
d02b48c6 736#define EVP_F_EVP_PKEY_COPY_PARAMETERS 103
58964a49
RE		 737#define EVP_F_EVP_PKEY_DECRYPT 104
738#define EVP_F_EVP_PKEY_ENCRYPT 105
c7cb16a8
DSH		 739#define EVP_F_EVP_PKEY_GET1_DH 119
740#define EVP_F_EVP_PKEY_GET1_DSA 120
741#define EVP_F_EVP_PKEY_GET1_RSA 121
0202197d 742#define EVP_F_EVP_PKEY_NEW 106
3ab56511 743#define EVP_F_EVP_RIJNDAEL 126
58964a49
RE		 744#define EVP_F_EVP_SIGNFINAL 107
745#define EVP_F_EVP_VERIFYFINAL 108
97e4a932
DSH		 746#define EVP_F_PKCS5_PBE_KEYIVGEN 117
747#define EVP_F_PKCS5_V2_PBE_KEYIVGEN 118
dfeab068 748#define EVP_F_RC2_MAGIC_TO_METH 109
49528751 749#define EVP_F_RC5_CTRL 125
d02b48c6
RE		 750
751/* Reason codes. */
3ab56511 752#define EVP_R_BAD_BLOCK_LENGTH 136
d02b48c6 753#define EVP_R_BAD_DECRYPT 100
3ab56511 754#define EVP_R_BAD_KEY_LENGTH 137
cfcefcbe
DSH		 755#define EVP_R_BN_DECODE_ERROR 112
756#define EVP_R_BN_PUBKEY_ERROR 113
97e4a932 757#define EVP_R_CIPHER_PARAMETER_ERROR 122
49528751
DSH		 758#define EVP_R_CTRL_NOT_IMPLEMENTED 132
759#define EVP_R_CTRL_OPERATION_NOT_IMPLEMENTED 133
f2e5ca84 760#define EVP_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH 138
cfcefcbe 761#define EVP_R_DECODE_ERROR 114
d02b48c6 762#define EVP_R_DIFFERENT_KEY_TYPES 101
cfcefcbe
DSH		 763#define EVP_R_ENCODE_ERROR 115
764#define EVP_R_EVP_PBE_CIPHERINIT_ERROR 119
f769ce3e
DSH		 765#define EVP_R_EXPECTING_AN_RSA_KEY 127
766#define EVP_R_EXPECTING_A_DH_KEY 128
767#define EVP_R_EXPECTING_A_DSA_KEY 129
49528751 768#define EVP_R_INITIALIZATION_ERROR 134
df82f5c8 769#define EVP_R_INPUT_NOT_INITIALIZED 111
7f060601 770#define EVP_R_INVALID_KEY_LENGTH 130
d02b48c6 771#define EVP_R_IV_TOO_LARGE 102
cfcefcbe 772#define EVP_R_KEYGEN_FAILURE 120
657e60fa 773#define EVP_R_MISSING_PARAMETERS 103
360370d9 774#define EVP_R_NO_CIPHER_SET 131
cfcefcbe 775#define EVP_R_NO_DSA_PARAMETERS 116
d02b48c6
RE		 776#define EVP_R_NO_SIGN_FUNCTION_CONFIGURED 104
777#define EVP_R_NO_VERIFY_FUNCTION_CONFIGURED 105
cfcefcbe 778#define EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE 117
d02b48c6 779#define EVP_R_PUBLIC_KEY_NOT_RSA 106
cfcefcbe 780#define EVP_R_UNKNOWN_PBE_ALGORITHM 121
49528751 781#define EVP_R_UNSUPORTED_NUMBER_OF_ROUNDS 135
d02b48c6 782#define EVP_R_UNSUPPORTED_CIPHER 107
97e4a932
DSH		 783#define EVP_R_UNSUPPORTED_KEYLENGTH 123
784#define EVP_R_UNSUPPORTED_KEY_DERIVATION_FUNCTION 124
dfeab068 785#define EVP_R_UNSUPPORTED_KEY_SIZE 108
97e4a932 786#define EVP_R_UNSUPPORTED_PRF 125
cfcefcbe 787#define EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM 118
97e4a932 788#define EVP_R_UNSUPPORTED_SALT_TYPE 126
dfeab068
RE		 789#define EVP_R_WRONG_FINAL_BLOCK_LENGTH 109
790#define EVP_R_WRONG_PUBLIC_KEY_TYPE 110
6d311938 791
d02b48c6
RE		 792#ifdef __cplusplus
793}
794#endif
795#endif
796
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