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Even when you don't want to create shared libraries, it's a good idea
[thirdparty/openssl.git] / crypto / evp / evp.h
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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
ef33b970
RL		 70#ifndef NO_BIO
71#include <openssl/bio.h>
72#endif
d02b48c6 73#ifndef NO_MD2
ec577822 74#include <openssl/md2.h>
d02b48c6 75#endif
3009458e
RL		 76#ifndef NO_MD4
77#include <openssl/md4.h>
78#endif
d02b48c6 79#ifndef NO_MD5
ec577822 80#include <openssl/md5.h>
d02b48c6 81#endif
f5d7a031 82#ifndef NO_SHA
ec577822 83#include <openssl/sha.h>
d02b48c6 84#endif
f5d7a031 85#ifndef NO_RIPEMD
ec577822 86#include <openssl/ripemd.h>
58964a49 87#endif
d02b48c6 88#ifndef NO_DES
ec577822 89#include <openssl/des.h>
d02b48c6
RE		 90#endif
91#ifndef NO_RC4
ec577822 92#include <openssl/rc4.h>
d02b48c6
RE		 93#endif
94#ifndef NO_RC2
ec577822 95#include <openssl/rc2.h>
d02b48c6 96#endif
58964a49 97#ifndef NO_RC5
ec577822 98#include <openssl/rc5.h>
58964a49 99#endif
f5d7a031 100#ifndef NO_BF
ec577822 101#include <openssl/blowfish.h>
d02b48c6 102#endif
58964a49 103#ifndef NO_CAST
ec577822 104#include <openssl/cast.h>
58964a49 105#endif
d02b48c6 106#ifndef NO_IDEA
ec577822 107#include <openssl/idea.h>
d02b48c6
RE		 108#endif
109#ifndef NO_MDC2
ec577822 110#include <openssl/mdc2.h>
d02b48c6
RE		 111#endif
112
58964a49
RE		 113#define EVP_RC2_KEY_SIZE 16
114#define EVP_RC4_KEY_SIZE 16
115#define EVP_BLOWFISH_KEY_SIZE 16
116#define EVP_CAST5_KEY_SIZE 16
117#define EVP_RC5_32_12_16_KEY_SIZE 16
118#define EVP_MAX_MD_SIZE (16+20) /* The SSLv3 md5+sha1 type */
119#define EVP_MAX_KEY_LENGTH 24
120#define EVP_MAX_IV_LENGTH 8
d02b48c6 121
8e21c146 122#define PKCS5_SALT_LEN 8
b7d135b3
DSH		 123/* Default PKCS#5 iteration count */
124#define PKCS5_DEFAULT_ITER 2048
8e21c146 125
d02b48c6 126#ifndef NO_RSA
ec577822 127#include <openssl/rsa.h>
d02b48c6
RE		 128#endif
129
130#ifndef NO_DSA
ec577822 131#include <openssl/dsa.h>
d02b48c6
RE		 132#endif
133
134#ifndef NO_DH
ec577822 135#include <openssl/dh.h>
d02b48c6
RE		 136#endif
137
ec577822 138#include <openssl/objects.h>
d02b48c6
RE		 139
140#define EVP_PK_RSA 0x0001
141#define EVP_PK_DSA 0x0002
142#define EVP_PK_DH 0x0004
143#define EVP_PKT_SIGN 0x0010
144#define EVP_PKT_ENC 0x0020
145#define EVP_PKT_EXCH 0x0040
146#define EVP_PKS_RSA 0x0100
147#define EVP_PKS_DSA 0x0200
148#define EVP_PKT_EXP 0x1000 /* <= 512 bit key */
149
150#define EVP_PKEY_NONE NID_undef
151#define EVP_PKEY_RSA NID_rsaEncryption
152#define EVP_PKEY_RSA2 NID_rsa
153#define EVP_PKEY_DSA NID_dsa
58964a49 154#define EVP_PKEY_DSA1 NID_dsa_2
d02b48c6
RE		 155#define EVP_PKEY_DSA2 NID_dsaWithSHA
156#define EVP_PKEY_DSA3 NID_dsaWithSHA1
58964a49 157#define EVP_PKEY_DSA4 NID_dsaWithSHA1_2
d02b48c6
RE		 158#define EVP_PKEY_DH NID_dhKeyAgreement
159
82271cee
RL		 160#ifdef __cplusplus
161extern "C" {
162#endif
163
58964a49
RE		 164/* Type needs to be a bit field
165 * Sub-type needs to be for variations on the method, as in, can it do
657e60fa 166 * arbitrary encryption.... */
d02b48c6
RE		 167typedef struct evp_pkey_st
168 {
169 int type;
170 int save_type;
171 int references;
172 union {
173 char *ptr;
f5d7a031 174#ifndef NO_RSA
d02b48c6 175 struct rsa_st *rsa; /* RSA */
f5d7a031
UM		 176#endif
177#ifndef NO_DSA
d02b48c6 178 struct dsa_st *dsa; /* DSA */
f5d7a031
UM		 179#endif
180#ifndef NO_DH
d02b48c6 181 struct dh_st *dh; /* DH */
f5d7a031 182#endif
d02b48c6
RE		 183 } pkey;
184 int save_parameters;
4d29312c 185 STACK_OF(X509_ATTRIBUTE) *attributes; /* [ 0 ] */
d02b48c6
RE		 186 } EVP_PKEY;
187
58964a49
RE		 188#define EVP_PKEY_MO_SIGN 0x0001
189#define EVP_PKEY_MO_VERIFY 0x0002
190#define EVP_PKEY_MO_ENCRYPT 0x0004
191#define EVP_PKEY_MO_DECRYPT 0x0008
192
193#if 0
194/* This structure is required to tie the message digest and signing together.
195 * The lookup can be done by md/pkey_method, oid, oid/pkey_method, or
196 * oid, md and pkey.
197 * This is required because for various smart-card perform the digest and
198 * signing/verification on-board. To handle this case, the specific
199 * EVP_MD and EVP_PKEY_METHODs need to be closely associated.
dfeab068 200 * When a PKEY is created, it will have a EVP_PKEY_METHOD associated with it.
58964a49
RE		 201 * This can either be software or a token to provide the required low level
202 * routines.
203 */
204typedef struct evp_pkey_md_st
205 {
206 int oid;
207 EVP_MD *md;
208 EVP_PKEY_METHOD *pkey;
209 } EVP_PKEY_MD;
210
0ae645db 211#define EVP_rsa_md2() \
58964a49
RE		 212 EVP_PKEY_MD_add(NID_md2WithRSAEncryption,\
213 EVP_rsa_pkcs1(),EVP_md2())
0ae645db 214#define EVP_rsa_md5() \
58964a49
RE		 215 EVP_PKEY_MD_add(NID_md5WithRSAEncryption,\
216 EVP_rsa_pkcs1(),EVP_md5())
0ae645db 217#define EVP_rsa_sha0() \
58964a49
RE		 218 EVP_PKEY_MD_add(NID_shaWithRSAEncryption,\
219 EVP_rsa_pkcs1(),EVP_sha())
0ae645db 220#define EVP_rsa_sha1() \
58964a49
RE		 221 EVP_PKEY_MD_add(NID_sha1WithRSAEncryption,\
222 EVP_rsa_pkcs1(),EVP_sha1())
0ae645db 223#define EVP_rsa_ripemd160() \
58964a49
RE		 224 EVP_PKEY_MD_add(NID_ripemd160WithRSA,\
225 EVP_rsa_pkcs1(),EVP_ripemd160())
0ae645db 226#define EVP_rsa_mdc2() \
58964a49
RE		 227 EVP_PKEY_MD_add(NID_mdc2WithRSA,\
228 EVP_rsa_octet_string(),EVP_mdc2())
0ae645db 229#define EVP_dsa_sha() \
58964a49
RE		 230 EVP_PKEY_MD_add(NID_dsaWithSHA,\
231 EVP_dsa(),EVP_mdc2())
0ae645db 232#define EVP_dsa_sha1() \
58964a49
RE		 233 EVP_PKEY_MD_add(NID_dsaWithSHA1,\
234 EVP_dsa(),EVP_sha1())
235
236typedef struct evp_pkey_method_st
237 {
238 char *name;
239 int flags;
240 int type; /* RSA, DSA, an SSLeay specific constant */
241 int oid; /* For the pub-key type */
242 int encrypt_oid; /* pub/priv key encryption */
243
244 int (*sign)();
245 int (*verify)();
246 struct {
247 int
248 int (*set)(); /* get and/or set the underlying type */
249 int (*get)();
250 int (*encrypt)();
251 int (*decrypt)();
252 int (*i2d)();
253 int (*d2i)();
254 int (*dup)();
255 } pub,priv;
256 int (*set_asn1_parameters)();
257 int (*get_asn1_parameters)();
258 } EVP_PKEY_METHOD;
259#endif
260
d02b48c6
RE		 261#ifndef EVP_MD
262typedef struct env_md_st
263 {
264 int type;
265 int pkey_type;
266 int md_size;
267 void (*init)();
268 void (*update)();
269 void (*final)();
270
271 int (*sign)();
272 int (*verify)();
58964a49
RE		 273 int required_pkey_type[5]; /*EVP_PKEY_xxx */
274 int block_size;
275 int ctx_size; /* how big does the ctx need to be */
d02b48c6
RE		 276 } EVP_MD;
277
cfcefcbe
DSH		 278
279
d02b48c6
RE		 280#define EVP_PKEY_NULL_method NULL,NULL,{0,0,0,0}
281
282#ifndef NO_DSA
283#define EVP_PKEY_DSA_method DSA_sign,DSA_verify, \
58964a49
RE		 284 {EVP_PKEY_DSA,EVP_PKEY_DSA2,EVP_PKEY_DSA3, \
285 EVP_PKEY_DSA4,0}
d02b48c6
RE		 286#else
287#define EVP_PKEY_DSA_method EVP_PKEY_NULL_method
288#endif
289
290#ifndef NO_RSA
291#define EVP_PKEY_RSA_method RSA_sign,RSA_verify, \
292 {EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0}
293#define EVP_PKEY_RSA_ASN1_OCTET_STRING_method \
294 RSA_sign_ASN1_OCTET_STRING, \
295 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
304typedef struct env_md_ctx_st
305 {
e778802f 306 const EVP_MD *digest;
d02b48c6
RE		 307 union {
308 unsigned char base[4];
309#ifndef NO_MD2
310 MD2_CTX md2;
311#endif
312#ifndef NO_MD5
313 MD5_CTX md5;
314#endif
3009458e
RL		 315#ifndef NO_MD4
316 MD4_CTX md4;
317#endif
f5d7a031 318#ifndef NO_RIPEMD
58964a49
RE		 319 RIPEMD160_CTX ripemd160;
320#endif
f5d7a031 321#ifndef NO_SHA
d02b48c6
RE		 322 SHA_CTX sha;
323#endif
324#ifndef NO_MDC2
325 MDC2_CTX mdc2;
326#endif
327 } md;
328 } EVP_MD_CTX;
329
7f060601
DSH		 330typedef struct evp_cipher_st EVP_CIPHER;
331typedef struct evp_cipher_ctx_st EVP_CIPHER_CTX;
332
333struct evp_cipher_st
d02b48c6
RE		 334 {
335 int nid;
336 int block_size;
7f060601 337 int key_len; /* Default value for variable length ciphers */
d02b48c6 338 int iv_len;
7f060601 339 unsigned long flags; /* Various flags */
1921eaad
BL		 340 int (*init)(EVP_CIPHER_CTX *ctx, const unsigned char *key,
341 const unsigned char *iv, int enc); /* init key */
342 int (*do_cipher)(EVP_CIPHER_CTX *ctx, unsigned char *out,
343 const unsigned char *in, unsigned int inl);/* encrypt/decrypt data */
be06a934 344 int (*cleanup)(EVP_CIPHER_CTX *); /* cleanup ctx */
58964a49 345 int ctx_size; /* how big the ctx needs to be */
7f060601
DSH		 346 int (*set_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Populate a ASN1_TYPE with parameters */
347 int (*get_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Get parameters from a ASN1_TYPE */
348 int (*ctrl)(EVP_CIPHER_CTX *, int type, int arg, void *ptr); /* Miscellaneous operations */
360370d9 349 void *app_data; /* Application data */
7f060601
DSH		 350 };
351
352/* Values for cipher flags */
353
360370d9 354/* Modes for ciphers */
7f060601 355
360370d9 356#define EVP_CIPH_STREAM_CIPHER 0x0
7f060601
DSH		 357#define EVP_CIPH_ECB_MODE 0x1
358#define EVP_CIPH_CBC_MODE 0x2
359#define EVP_CIPH_CFB_MODE 0x3
360#define EVP_CIPH_OFB_MODE 0x4
360370d9 361#define EVP_CIPH_MODE 0x7
7f060601
DSH		 362/* Set if variable length cipher */
363#define EVP_CIPH_VARIABLE_LENGTH 0x8
360370d9
DSH		 364/* Set if the iv handling should be done by the cipher itself */
365#define EVP_CIPH_CUSTOM_IV 0x10
366/* Set if the cipher's init() function should be called if key is NULL */
367#define EVP_CIPH_ALWAYS_CALL_INIT 0x20
57ae2e24
DSH		 368/* Call ctrl() to init cipher parameters */
369#define EVP_CIPH_CTRL_INIT 0x40
370/* Don't use standard key length function */
371#define EVP_CIPH_CUSTOM_KEY_LENGTH 0x80
7f060601 372
57ae2e24
DSH		 373/* ctrl() values */
374
375#define EVP_CTRL_INIT 0x0
376#define EVP_CTRL_SET_KEY_LENGTH 0x1
377#define EVP_CTRL_GET_RC2_KEY_BITS 0x2
378#define EVP_CTRL_SET_RC2_KEY_BITS 0x3
379#define EVP_CTRL_GET_RC5_ROUNDS 0x4
380#define EVP_CTRL_SET_RC5_ROUNDS 0x5
d02b48c6
RE		 381
382typedef struct evp_cipher_info_st
383 {
e778802f 384 const EVP_CIPHER *cipher;
d02b48c6
RE		 385 unsigned char iv[EVP_MAX_IV_LENGTH];
386 } EVP_CIPHER_INFO;
387
7f060601 388struct evp_cipher_ctx_st
d02b48c6 389 {
e778802f 390 const EVP_CIPHER *cipher;
d02b48c6
RE		 391 int encrypt; /* encrypt or decrypt */
392 int buf_len; /* number we have left */
58964a49
RE		 393
394 unsigned char oiv[EVP_MAX_IV_LENGTH]; /* original iv */
395 unsigned char iv[EVP_MAX_IV_LENGTH]; /* working iv */
396 unsigned char buf[EVP_MAX_IV_LENGTH]; /* saved partial block */
397 int num; /* used by cfb/ofb mode */
398
7f060601
DSH		 399 void *app_data; /* application stuff */
400 int key_len; /* May change for variable length cipher */
d02b48c6
RE		 401 union {
402#ifndef NO_RC4
403 struct
404 {
405 unsigned char key[EVP_RC4_KEY_SIZE];
406 RC4_KEY ks; /* working key */
407 } rc4;
408#endif
409#ifndef NO_DES
58964a49 410 des_key_schedule des_ks;/* key schedule */
d02b48c6
RE		 411 struct
412 {
413 des_key_schedule ks;/* key schedule */
93fd0fd6
UM		 414 des_cblock inw;
415 des_cblock outw;
d02b48c6 416 } desx_cbc;
d02b48c6
RE		 417 struct
418 {
58964a49 419 des_key_schedule ks1;/* key schedule */
d02b48c6
RE		 420 des_key_schedule ks2;/* key schedule (for ede) */
421 des_key_schedule ks3;/* key schedule (for ede3) */
d02b48c6
RE		 422 } des_ede;
423#endif
424#ifndef NO_IDEA
58964a49 425 IDEA_KEY_SCHEDULE idea_ks;/* key schedule */
d02b48c6
RE		 426#endif
427#ifndef NO_RC2
57ae2e24
DSH		 428 struct {
429 int key_bits; /* effective key bits */
430 RC2_KEY ks;/* key schedule */
431 } rc2;
58964a49
RE		 432#endif
433#ifndef NO_RC5
57ae2e24
DSH		 434 struct {
435 int rounds; /* number of rounds */
436 RC5_32_KEY ks;/* key schedule */
437 } rc5;
d02b48c6 438#endif
f5d7a031 439#ifndef NO_BF
58964a49
RE		 440 BF_KEY bf_ks;/* key schedule */
441#endif
442#ifndef NO_CAST
443 CAST_KEY cast_ks;/* key schedule */
d02b48c6
RE		 444#endif
445 } c;
7f060601 446 };
d02b48c6
RE		 447
448typedef struct evp_Encode_Ctx_st
449 {
450 int num; /* number saved in a partial encode/decode */
451 int length; /* The length is either the output line length
452 * (in input bytes) or the shortest input line
453 * length that is ok. Once decoding begins,
454 * the length is adjusted up each time a longer
455 * line is decoded */
456 unsigned char enc_data[80]; /* data to encode */
457 int line_num; /* number read on current line */
58964a49 458 int expect_nl;
d02b48c6
RE		 459 } EVP_ENCODE_CTX;
460
cfcefcbe 461/* Password based encryption function */
2bd83ca1 462typedef int (EVP_PBE_KEYGEN)(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
69cbf468 463 ASN1_TYPE *param, EVP_CIPHER *cipher,
2bd83ca1 464 EVP_MD *md, int en_de);
cfcefcbe 465
9ef9e785 466#ifndef NO_RSA
d02b48c6
RE		 467#define EVP_PKEY_assign_RSA(pkey,rsa) EVP_PKEY_assign((pkey),EVP_PKEY_RSA,\
468 (char *)(rsa))
9ef9e785
RL		 469#endif
470
471#ifndef NO_DSA
d02b48c6
RE		 472#define EVP_PKEY_assign_DSA(pkey,dsa) EVP_PKEY_assign((pkey),EVP_PKEY_DSA,\
473 (char *)(dsa))
9ef9e785
RL		 474#endif
475
476#ifndef NO_DH
d02b48c6
RE		 477#define EVP_PKEY_assign_DH(pkey,dh) EVP_PKEY_assign((pkey),EVP_PKEY_DH,\
478 (char *)(dh))
9ef9e785 479#endif
d02b48c6
RE		 480
481/* Add some extra combinations */
482#define EVP_get_digestbynid(a) EVP_get_digestbyname(OBJ_nid2sn(a))
483#define EVP_get_digestbyobj(a) EVP_get_digestbynid(OBJ_obj2nid(a))
484#define EVP_get_cipherbynid(a) EVP_get_cipherbyname(OBJ_nid2sn(a))
485#define EVP_get_cipherbyobj(a) EVP_get_cipherbynid(OBJ_obj2nid(a))
486
487#define EVP_MD_type(e) ((e)->type)
488#define EVP_MD_pkey_type(e) ((e)->pkey_type)
489#define EVP_MD_size(e) ((e)->md_size)
58964a49
RE		 490#define EVP_MD_block_size(e) ((e)->block_size)
491
72b60351 492#define EVP_MD_CTX_md(e) ((e)->digest)
58964a49
RE		 493#define EVP_MD_CTX_size(e) EVP_MD_size((e)->digest)
494#define EVP_MD_CTX_block_size(e) EVP_MD_block_size((e)->digest)
72b60351 495#define EVP_MD_CTX_type(e) EVP_MD_type((e)->digest)
d02b48c6
RE		 496
497#define EVP_CIPHER_nid(e) ((e)->nid)
498#define EVP_CIPHER_block_size(e) ((e)->block_size)
499#define EVP_CIPHER_key_length(e) ((e)->key_len)
500#define EVP_CIPHER_iv_length(e) ((e)->iv_len)
360370d9
DSH		 501#define EVP_CIPHER_flags(e) ((e)->flags)
502#define EVP_CIPHER_mode(e) ((e)->flags) & EVP_CIPH_MODE)
d02b48c6
RE		 503
504#define EVP_CIPHER_CTX_cipher(e) ((e)->cipher)
505#define EVP_CIPHER_CTX_nid(e) ((e)->cipher->nid)
506#define EVP_CIPHER_CTX_block_size(e) ((e)->cipher->block_size)
7f060601 507#define EVP_CIPHER_CTX_key_length(e) ((e)->key_len)
d02b48c6
RE		 508#define EVP_CIPHER_CTX_iv_length(e) ((e)->cipher->iv_len)
509#define EVP_CIPHER_CTX_get_app_data(e) ((e)->app_data)
510#define EVP_CIPHER_CTX_set_app_data(e,d) ((e)->app_data=(char *)(d))
884e8ec6 511#define EVP_CIPHER_CTX_type(c) EVP_CIPHER_type(EVP_CIPHER_CTX_cipher(c))
360370d9
DSH		 512#define EVP_CIPHER_CTX_flags(e) ((e)->cipher->flags)
513#define EVP_CIPHER_CTX_mode(e) ((e)->cipher->flags & EVP_CIPH_MODE)
d02b48c6
RE		 514
515#define EVP_ENCODE_LENGTH(l) (((l+2)/3*4)+(l/48+1)*2+80)
516#define EVP_DECODE_LENGTH(l) ((l+3)/4*3+80)
517
518#define EVP_SignInit(a,b) EVP_DigestInit(a,b)
519#define EVP_SignUpdate(a,b,c) EVP_DigestUpdate(a,b,c)
520#define EVP_VerifyInit(a,b) EVP_DigestInit(a,b)
521#define EVP_VerifyUpdate(a,b,c) EVP_DigestUpdate(a,b,c)
522#define EVP_OpenUpdate(a,b,c,d,e) EVP_DecryptUpdate(a,b,c,d,e)
523#define EVP_SealUpdate(a,b,c,d,e) EVP_EncryptUpdate(a,b,c,d,e)
524
e778802f
BL		 525#ifdef CONST_STRICT
526void BIO_set_md(BIO *,const EVP_MD *md);
527#else
528# define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,0,(char *)md)
529#endif
d02b48c6
RE		 530#define BIO_get_md(b,mdp) BIO_ctrl(b,BIO_C_GET_MD,0,(char *)mdp)
531#define BIO_get_md_ctx(b,mdcp) BIO_ctrl(b,BIO_C_GET_MD_CTX,0,(char *)mdcp)
532#define BIO_get_cipher_status(b) BIO_ctrl(b,BIO_C_GET_CIPHER_STATUS,0,NULL)
dfeab068 533#define BIO_get_cipher_ctx(b,c_pp) BIO_ctrl(b,BIO_C_GET_CIPHER_CTX,0,(char *)c_pp)
d02b48c6
RE		 534
535#define EVP_Cipher(c,o,i,l) (c)->cipher->do_cipher((c),(o),(i),(l))
536
dfeab068
RE		 537#define EVP_add_cipher_alias(n,alias) \
538 OBJ_NAME_add((alias),OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS,(n))
539#define EVP_add_digest_alias(n,alias) \
540 OBJ_NAME_add((alias),OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,(n))
541#define EVP_delete_cipher_alias(alias) \
542 OBJ_NAME_remove(alias,OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS);
543#define EVP_delete_digest_alias(alias) \
544 OBJ_NAME_remove(alias,OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS);
545
d02b48c6 546
351d8998 547int EVP_MD_CTX_copy(EVP_MD_CTX *out,EVP_MD_CTX *in);
e778802f 548void EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type);
8d8a8041 549void EVP_DigestUpdate(EVP_MD_CTX *ctx,const void *d,
e778802f 550 unsigned int cnt);
d02b48c6
RE		 551void EVP_DigestFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s);
552
e778802f 553int EVP_read_pw_string(char *buf,int length,const char *prompt,int verify);
d02b48c6
RE		 554void EVP_set_pw_prompt(char *prompt);
555char * EVP_get_pw_prompt(void);
556
e778802f 557int EVP_BytesToKey(const EVP_CIPHER *type,EVP_MD *md,unsigned char *salt,
d02b48c6
RE		 558 unsigned char *data, int datal, int count,
559 unsigned char *key,unsigned char *iv);
560
be06a934 561int EVP_EncryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
d02b48c6 562 unsigned char *key, unsigned char *iv);
be06a934 563int EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
d02b48c6 564 int *outl, unsigned char *in, int inl);
be06a934 565int EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
d02b48c6 566
be06a934 567int EVP_DecryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
d02b48c6 568 unsigned char *key, unsigned char *iv);
be06a934 569int EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
d02b48c6
RE		 570 int *outl, unsigned char *in, int inl);
571int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
572
be06a934 573int EVP_CipherInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
e778802f 574 unsigned char *key,unsigned char *iv,int enc);
be06a934 575int EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
d02b48c6
RE		 576 int *outl, unsigned char *in, int inl);
577int EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
578
579int EVP_SignFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s,
580 EVP_PKEY *pkey);
581
582int EVP_VerifyFinal(EVP_MD_CTX *ctx,unsigned char *sigbuf,
583 unsigned int siglen,EVP_PKEY *pkey);
584
585int EVP_OpenInit(EVP_CIPHER_CTX *ctx,EVP_CIPHER *type,unsigned char *ek,
586 int ekl,unsigned char *iv,EVP_PKEY *priv);
587int EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
588
589int EVP_SealInit(EVP_CIPHER_CTX *ctx, EVP_CIPHER *type, unsigned char **ek,
590 int *ekl, unsigned char *iv,EVP_PKEY **pubk, int npubk);
591void EVP_SealFinal(EVP_CIPHER_CTX *ctx,unsigned char *out,int *outl);
592
593void EVP_EncodeInit(EVP_ENCODE_CTX *ctx);
594void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,
595 int *outl,unsigned char *in,int inl);
596void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl);
092ec334 597int EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int n);
d02b48c6
RE		 598
599void EVP_DecodeInit(EVP_ENCODE_CTX *ctx);
600int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl,
601 unsigned char *in, int inl);
602int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned
603 char *out, int *outl);
092ec334 604int EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n);
d02b48c6
RE		 605
606void ERR_load_EVP_strings(void );
607
58964a49 608void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *a);
be06a934 609int EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *a);
7f060601 610int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *x, int keylen);
49528751 611int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr);
d02b48c6 612
ef33b970 613#ifndef NO_BIO
d02b48c6
RE		 614BIO_METHOD *BIO_f_md(void);
615BIO_METHOD *BIO_f_base64(void);
616BIO_METHOD *BIO_f_cipher(void);
55ab3bf7 617BIO_METHOD *BIO_f_reliable(void);
e778802f 618void BIO_set_cipher(BIO *b,const EVP_CIPHER *c,unsigned char *k,
d02b48c6
RE		 619 unsigned char *i, int enc);
620#endif
621
622EVP_MD *EVP_md_null(void);
9ef9e785 623#ifndef NO_MD2
d02b48c6 624EVP_MD *EVP_md2(void);
9ef9e785
RL		 625#endif
626#ifndef NO_MD4
3009458e 627EVP_MD *EVP_md4(void);
9ef9e785
RL		 628#endif
629#ifndef NO_MD5
d02b48c6 630EVP_MD *EVP_md5(void);
9ef9e785
RL		 631#endif
632#ifndef NO_SHA
d02b48c6
RE		 633EVP_MD *EVP_sha(void);
634EVP_MD *EVP_sha1(void);
635EVP_MD *EVP_dss(void);
636EVP_MD *EVP_dss1(void);
9ef9e785
RL		 637#endif
638#ifndef NO_MDC2
d02b48c6 639EVP_MD *EVP_mdc2(void);
9ef9e785
RL		 640#endif
641#ifndef NO_RIPEMD
58964a49 642EVP_MD *EVP_ripemd160(void);
9ef9e785 643#endif
d02b48c6 644EVP_CIPHER *EVP_enc_null(void); /* does nothing :-) */
9ef9e785 645#ifndef NO_DES
d02b48c6
RE		 646EVP_CIPHER *EVP_des_ecb(void);
647EVP_CIPHER *EVP_des_ede(void);
648EVP_CIPHER *EVP_des_ede3(void);
649EVP_CIPHER *EVP_des_cfb(void);
650EVP_CIPHER *EVP_des_ede_cfb(void);
651EVP_CIPHER *EVP_des_ede3_cfb(void);
652EVP_CIPHER *EVP_des_ofb(void);
653EVP_CIPHER *EVP_des_ede_ofb(void);
654EVP_CIPHER *EVP_des_ede3_ofb(void);
655EVP_CIPHER *EVP_des_cbc(void);
656EVP_CIPHER *EVP_des_ede_cbc(void);
657EVP_CIPHER *EVP_des_ede3_cbc(void);
658EVP_CIPHER *EVP_desx_cbc(void);
9ef9e785
RL		 659#endif
660#ifndef NO_RC4
d02b48c6 661EVP_CIPHER *EVP_rc4(void);
58964a49 662EVP_CIPHER *EVP_rc4_40(void);
9ef9e785
RL		 663#endif
664#ifndef NO_IDEA
d02b48c6
RE		 665EVP_CIPHER *EVP_idea_ecb(void);
666EVP_CIPHER *EVP_idea_cfb(void);
667EVP_CIPHER *EVP_idea_ofb(void);
668EVP_CIPHER *EVP_idea_cbc(void);
9ef9e785
RL		 669#endif
670#ifndef NO_RC2
d02b48c6
RE		 671EVP_CIPHER *EVP_rc2_ecb(void);
672EVP_CIPHER *EVP_rc2_cbc(void);
58964a49 673EVP_CIPHER *EVP_rc2_40_cbc(void);
dfeab068 674EVP_CIPHER *EVP_rc2_64_cbc(void);
d02b48c6
RE		 675EVP_CIPHER *EVP_rc2_cfb(void);
676EVP_CIPHER *EVP_rc2_ofb(void);
9ef9e785
RL		 677#endif
678#ifndef NO_BF
d02b48c6
RE		 679EVP_CIPHER *EVP_bf_ecb(void);
680EVP_CIPHER *EVP_bf_cbc(void);
681EVP_CIPHER *EVP_bf_cfb(void);
682EVP_CIPHER *EVP_bf_ofb(void);
9ef9e785
RL		 683#endif
684#ifndef NO_CAST
58964a49
RE		 685EVP_CIPHER *EVP_cast5_ecb(void);
686EVP_CIPHER *EVP_cast5_cbc(void);
687EVP_CIPHER *EVP_cast5_cfb(void);
688EVP_CIPHER *EVP_cast5_ofb(void);
9ef9e785
RL		 689#endif
690#ifndef NO_RC5
58964a49
RE		 691EVP_CIPHER *EVP_rc5_32_12_16_cbc(void);
692EVP_CIPHER *EVP_rc5_32_12_16_ecb(void);
693EVP_CIPHER *EVP_rc5_32_12_16_cfb(void);
694EVP_CIPHER *EVP_rc5_32_12_16_ofb(void);
9ef9e785 695#endif
af57d843
DSH		 696void OpenSSL_add_all_algorithms(void);
697void OpenSSL_add_all_ciphers(void);
698void OpenSSL_add_all_digests(void);
699#define SSLeay_add_all_algorithms() OpenSSL_add_all_algorithms()
700#define SSLeay_add_all_ciphers() OpenSSL_add_all_ciphers()
701#define SSLeay_add_all_digests() OpenSSL_add_all_digests()
d02b48c6
RE		 702
703int EVP_add_cipher(EVP_CIPHER *cipher);
704int EVP_add_digest(EVP_MD *digest);
d02b48c6 705
e778802f
BL		 706const EVP_CIPHER *EVP_get_cipherbyname(const char *name);
707const EVP_MD *EVP_get_digestbyname(const char *name);
d02b48c6
RE		 708void EVP_cleanup(void);
709
58964a49
RE		 710int EVP_PKEY_decrypt(unsigned char *dec_key,unsigned char *enc_key,
711 int enc_key_len,EVP_PKEY *private_key);
712int EVP_PKEY_encrypt(unsigned char *enc_key,
713 unsigned char *key,int key_len,EVP_PKEY *pub_key);
d02b48c6 714int EVP_PKEY_type(int type);
58964a49 715int EVP_PKEY_bits(EVP_PKEY *pkey);
d02b48c6
RE		 716int EVP_PKEY_size(EVP_PKEY *pkey);
717int EVP_PKEY_assign(EVP_PKEY *pkey,int type,char *key);
12aefe78 718#ifndef NO_RSA
c7cb16a8
DSH		 719int EVP_PKEY_set1_RSA(EVP_PKEY *pkey,RSA *key);
720RSA * EVP_PKEY_get1_RSA(EVP_PKEY *pkey);
12aefe78
DSH		 721#endif
722#ifndef NO_DSA
c7cb16a8
DSH		 723int EVP_PKEY_set1_DSA(EVP_PKEY *pkey,DSA *key);
724DSA * EVP_PKEY_get1_DSA(EVP_PKEY *pkey);
12aefe78
DSH		 725#endif
726#ifndef NO_DH
c7cb16a8
DSH		 727int EVP_PKEY_set1_DH(EVP_PKEY *pkey,DH *key);
728DH * EVP_PKEY_get1_DH(EVP_PKEY *pkey);
12aefe78 729#endif
d02b48c6
RE		 730EVP_PKEY * EVP_PKEY_new(void);
731void EVP_PKEY_free(EVP_PKEY *pkey);
732EVP_PKEY * d2i_PublicKey(int type,EVP_PKEY **a, unsigned char **pp,
733 long length);
734int i2d_PublicKey(EVP_PKEY *a, unsigned char **pp);
735
736EVP_PKEY * d2i_PrivateKey(int type,EVP_PKEY **a, unsigned char **pp,
737 long length);
20432eae
DSH		 738EVP_PKEY * d2i_AutoPrivateKey(EVP_PKEY **a, unsigned char **pp,
739 long length);
d02b48c6
RE		 740int i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp);
741
742int EVP_PKEY_copy_parameters(EVP_PKEY *to,EVP_PKEY *from);
743int EVP_PKEY_missing_parameters(EVP_PKEY *pkey);
744int EVP_PKEY_save_parameters(EVP_PKEY *pkey,int mode);
58964a49
RE		 745int EVP_PKEY_cmp_parameters(EVP_PKEY *a,EVP_PKEY *b);
746
84fa704c 747int EVP_CIPHER_type(const EVP_CIPHER *ctx);
884e8ec6 748
58964a49
RE		 749/* calls methods */
750int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
751int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
752
753/* These are used by EVP_CIPHER methods */
754int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type);
755int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type);
d02b48c6 756
b0c6fb80 757/* PKCS5 password based encryption */
2bd83ca1
DSH		 758int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
759 ASN1_TYPE *param, EVP_CIPHER *cipher, EVP_MD *md,
760 int en_de);
97e4a932 761int PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen,
72fbe87d
BL		 762 unsigned char *salt, int saltlen, int iter,
763 int keylen, unsigned char *out);
97e4a932
DSH		 764int PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
765 ASN1_TYPE *param, EVP_CIPHER *cipher, EVP_MD *md,
766 int en_de);
b0c6fb80 767
600dec15
DSH		 768void PKCS5_PBE_add(void);
769
69cbf468
DSH		 770int EVP_PBE_CipherInit (ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
771 ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de);
772int EVP_PBE_alg_add(int nid, EVP_CIPHER *cipher, EVP_MD *md,
773 EVP_PBE_KEYGEN *keygen);
774void EVP_PBE_cleanup(void);
775
d02b48c6 776/* BEGIN ERROR CODES */
6d311938
DSH		 777/* The following lines are auto generated by the script mkerr.pl. Any changes
778 * made after this point may be overwritten when the script is next run.
779 */
780
d02b48c6
RE		 781/* Error codes for the EVP functions. */
782
783/* Function codes. */
784#define EVP_F_D2I_PKEY 100
360370d9 785#define EVP_F_EVP_CIPHERINIT 123
49528751 786#define EVP_F_EVP_CIPHER_CTX_CTRL 124
7f060601 787#define EVP_F_EVP_CIPHER_CTX_SET_KEY_LENGTH 122
d02b48c6 788#define EVP_F_EVP_DECRYPTFINAL 101
cfcefcbe 789#define EVP_F_EVP_MD_CTX_COPY 110
d02b48c6 790#define EVP_F_EVP_OPENINIT 102
cfcefcbe
DSH		 791#define EVP_F_EVP_PBE_ALG_ADD 115
792#define EVP_F_EVP_PBE_CIPHERINIT 116
793#define EVP_F_EVP_PKCS82PKEY 111
794#define EVP_F_EVP_PKCS8_SET_BROKEN 112
795#define EVP_F_EVP_PKEY2PKCS8 113
d02b48c6 796#define EVP_F_EVP_PKEY_COPY_PARAMETERS 103
58964a49
RE		 797#define EVP_F_EVP_PKEY_DECRYPT 104
798#define EVP_F_EVP_PKEY_ENCRYPT 105
c7cb16a8
DSH		 799#define EVP_F_EVP_PKEY_GET1_DH 119
800#define EVP_F_EVP_PKEY_GET1_DSA 120
801#define EVP_F_EVP_PKEY_GET1_RSA 121
0202197d 802#define EVP_F_EVP_PKEY_NEW 106
58964a49
RE		 803#define EVP_F_EVP_SIGNFINAL 107
804#define EVP_F_EVP_VERIFYFINAL 108
97e4a932
DSH		 805#define EVP_F_PKCS5_PBE_KEYIVGEN 117
806#define EVP_F_PKCS5_V2_PBE_KEYIVGEN 118
dfeab068 807#define EVP_F_RC2_MAGIC_TO_METH 109
49528751 808#define EVP_F_RC5_CTRL 125
d02b48c6
RE		 809
810/* Reason codes. */
811#define EVP_R_BAD_DECRYPT 100
cfcefcbe
DSH		 812#define EVP_R_BN_DECODE_ERROR 112
813#define EVP_R_BN_PUBKEY_ERROR 113
97e4a932 814#define EVP_R_CIPHER_PARAMETER_ERROR 122
49528751
DSH		 815#define EVP_R_CTRL_NOT_IMPLEMENTED 132
816#define EVP_R_CTRL_OPERATION_NOT_IMPLEMENTED 133
cfcefcbe 817#define EVP_R_DECODE_ERROR 114
d02b48c6 818#define EVP_R_DIFFERENT_KEY_TYPES 101
cfcefcbe
DSH		 819#define EVP_R_ENCODE_ERROR 115
820#define EVP_R_EVP_PBE_CIPHERINIT_ERROR 119
f769ce3e
DSH		 821#define EVP_R_EXPECTING_AN_RSA_KEY 127
822#define EVP_R_EXPECTING_A_DH_KEY 128
823#define EVP_R_EXPECTING_A_DSA_KEY 129
49528751 824#define EVP_R_INITIALIZATION_ERROR 134
df82f5c8 825#define EVP_R_INPUT_NOT_INITIALIZED 111
7f060601 826#define EVP_R_INVALID_KEY_LENGTH 130
d02b48c6 827#define EVP_R_IV_TOO_LARGE 102
cfcefcbe 828#define EVP_R_KEYGEN_FAILURE 120
657e60fa 829#define EVP_R_MISSING_PARAMETERS 103
360370d9 830#define EVP_R_NO_CIPHER_SET 131
cfcefcbe 831#define EVP_R_NO_DSA_PARAMETERS 116
d02b48c6
RE		 832#define EVP_R_NO_SIGN_FUNCTION_CONFIGURED 104
833#define EVP_R_NO_VERIFY_FUNCTION_CONFIGURED 105
cfcefcbe 834#define EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE 117
d02b48c6 835#define EVP_R_PUBLIC_KEY_NOT_RSA 106
cfcefcbe 836#define EVP_R_UNKNOWN_PBE_ALGORITHM 121
49528751 837#define EVP_R_UNSUPORTED_NUMBER_OF_ROUNDS 135
d02b48c6 838#define EVP_R_UNSUPPORTED_CIPHER 107
97e4a932
DSH		 839#define EVP_R_UNSUPPORTED_KEYLENGTH 123
840#define EVP_R_UNSUPPORTED_KEY_DERIVATION_FUNCTION 124
dfeab068 841#define EVP_R_UNSUPPORTED_KEY_SIZE 108
97e4a932 842#define EVP_R_UNSUPPORTED_PRF 125
cfcefcbe 843#define EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM 118
97e4a932 844#define EVP_R_UNSUPPORTED_SALT_TYPE 126
dfeab068
RE		 845#define EVP_R_WRONG_FINAL_BLOCK_LENGTH 109
846#define EVP_R_WRONG_PUBLIC_KEY_TYPE 110
6d311938 847
d02b48c6
RE		 848#ifdef __cplusplus
849}
850#endif
851#endif
852
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