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[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
d02b48c6 70#ifndef NO_MD2
ec577822 71#include <openssl/md2.h>
d02b48c6
RE		 72#endif
73#ifndef NO_MD5
ec577822 74#include <openssl/md5.h>
d02b48c6 75#endif
f5d7a031 76#ifndef NO_SHA
ec577822 77#include <openssl/sha.h>
d02b48c6 78#endif
f5d7a031 79#ifndef NO_RIPEMD
ec577822 80#include <openssl/ripemd.h>
58964a49 81#endif
d02b48c6 82#ifndef NO_DES
ec577822 83#include <openssl/des.h>
d02b48c6
RE		 84#endif
85#ifndef NO_RC4
ec577822 86#include <openssl/rc4.h>
d02b48c6
RE		 87#endif
88#ifndef NO_RC2
ec577822 89#include <openssl/rc2.h>
d02b48c6 90#endif
58964a49 91#ifndef NO_RC5
ec577822 92#include <openssl/rc5.h>
58964a49 93#endif
f5d7a031 94#ifndef NO_BF
ec577822 95#include <openssl/blowfish.h>
d02b48c6 96#endif
58964a49 97#ifndef NO_CAST
ec577822 98#include <openssl/cast.h>
58964a49 99#endif
d02b48c6 100#ifndef NO_IDEA
ec577822 101#include <openssl/idea.h>
d02b48c6
RE		 102#endif
103#ifndef NO_MDC2
ec577822 104#include <openssl/mdc2.h>
d02b48c6
RE		 105#endif
106
58964a49
RE		 107#define EVP_RC2_KEY_SIZE 16
108#define EVP_RC4_KEY_SIZE 16
109#define EVP_BLOWFISH_KEY_SIZE 16
110#define EVP_CAST5_KEY_SIZE 16
111#define EVP_RC5_32_12_16_KEY_SIZE 16
112#define EVP_MAX_MD_SIZE (16+20) /* The SSLv3 md5+sha1 type */
113#define EVP_MAX_KEY_LENGTH 24
114#define EVP_MAX_IV_LENGTH 8
d02b48c6 115
8e21c146 116#define PKCS5_SALT_LEN 8
b7d135b3
DSH		 117/* Default PKCS#5 iteration count */
118#define PKCS5_DEFAULT_ITER 2048
8e21c146 119
d02b48c6 120#ifndef NO_RSA
ec577822 121#include <openssl/rsa.h>
d02b48c6
RE		 122#endif
123
124#ifndef NO_DSA
ec577822 125#include <openssl/dsa.h>
d02b48c6
RE		 126#endif
127
128#ifndef NO_DH
ec577822 129#include <openssl/dh.h>
d02b48c6
RE		 130#endif
131
ec577822 132#include <openssl/objects.h>
d02b48c6
RE		 133
134#define EVP_PK_RSA 0x0001
135#define EVP_PK_DSA 0x0002
136#define EVP_PK_DH 0x0004
137#define EVP_PKT_SIGN 0x0010
138#define EVP_PKT_ENC 0x0020
139#define EVP_PKT_EXCH 0x0040
140#define EVP_PKS_RSA 0x0100
141#define EVP_PKS_DSA 0x0200
142#define EVP_PKT_EXP 0x1000 /* <= 512 bit key */
143
144#define EVP_PKEY_NONE NID_undef
145#define EVP_PKEY_RSA NID_rsaEncryption
146#define EVP_PKEY_RSA2 NID_rsa
147#define EVP_PKEY_DSA NID_dsa
58964a49 148#define EVP_PKEY_DSA1 NID_dsa_2
d02b48c6
RE		 149#define EVP_PKEY_DSA2 NID_dsaWithSHA
150#define EVP_PKEY_DSA3 NID_dsaWithSHA1
58964a49 151#define EVP_PKEY_DSA4 NID_dsaWithSHA1_2
d02b48c6
RE		 152#define EVP_PKEY_DH NID_dhKeyAgreement
153
82271cee
RL		 154#ifdef __cplusplus
155extern "C" {
156#endif
157
58964a49
RE		 158/* Type needs to be a bit field
159 * Sub-type needs to be for variations on the method, as in, can it do
657e60fa 160 * arbitrary encryption.... */
d02b48c6
RE		 161typedef struct evp_pkey_st
162 {
163 int type;
164 int save_type;
165 int references;
166 union {
167 char *ptr;
f5d7a031 168#ifndef NO_RSA
d02b48c6 169 struct rsa_st *rsa; /* RSA */
f5d7a031
UM		 170#endif
171#ifndef NO_DSA
d02b48c6 172 struct dsa_st *dsa; /* DSA */
f5d7a031
UM		 173#endif
174#ifndef NO_DH
d02b48c6 175 struct dh_st *dh; /* DH */
f5d7a031 176#endif
d02b48c6
RE		 177 } pkey;
178 int save_parameters;
4d29312c 179 STACK_OF(X509_ATTRIBUTE) *attributes; /* [ 0 ] */
d02b48c6
RE		 180 } EVP_PKEY;
181
58964a49
RE		 182#define EVP_PKEY_MO_SIGN 0x0001
183#define EVP_PKEY_MO_VERIFY 0x0002
184#define EVP_PKEY_MO_ENCRYPT 0x0004
185#define EVP_PKEY_MO_DECRYPT 0x0008
186
187#if 0
188/* This structure is required to tie the message digest and signing together.
189 * The lookup can be done by md/pkey_method, oid, oid/pkey_method, or
190 * oid, md and pkey.
191 * This is required because for various smart-card perform the digest and
192 * signing/verification on-board. To handle this case, the specific
193 * EVP_MD and EVP_PKEY_METHODs need to be closely associated.
dfeab068 194 * When a PKEY is created, it will have a EVP_PKEY_METHOD associated with it.
58964a49
RE		 195 * This can either be software or a token to provide the required low level
196 * routines.
197 */
198typedef struct evp_pkey_md_st
199 {
200 int oid;
201 EVP_MD *md;
202 EVP_PKEY_METHOD *pkey;
203 } EVP_PKEY_MD;
204
0ae645db 205#define EVP_rsa_md2() \
58964a49
RE		 206 EVP_PKEY_MD_add(NID_md2WithRSAEncryption,\
207 EVP_rsa_pkcs1(),EVP_md2())
0ae645db 208#define EVP_rsa_md5() \
58964a49
RE		 209 EVP_PKEY_MD_add(NID_md5WithRSAEncryption,\
210 EVP_rsa_pkcs1(),EVP_md5())
0ae645db 211#define EVP_rsa_sha0() \
58964a49
RE		 212 EVP_PKEY_MD_add(NID_shaWithRSAEncryption,\
213 EVP_rsa_pkcs1(),EVP_sha())
0ae645db 214#define EVP_rsa_sha1() \
58964a49
RE		 215 EVP_PKEY_MD_add(NID_sha1WithRSAEncryption,\
216 EVP_rsa_pkcs1(),EVP_sha1())
0ae645db 217#define EVP_rsa_ripemd160() \
58964a49
RE		 218 EVP_PKEY_MD_add(NID_ripemd160WithRSA,\
219 EVP_rsa_pkcs1(),EVP_ripemd160())
0ae645db 220#define EVP_rsa_mdc2() \
58964a49
RE		 221 EVP_PKEY_MD_add(NID_mdc2WithRSA,\
222 EVP_rsa_octet_string(),EVP_mdc2())
0ae645db 223#define EVP_dsa_sha() \
58964a49
RE		 224 EVP_PKEY_MD_add(NID_dsaWithSHA,\
225 EVP_dsa(),EVP_mdc2())
0ae645db 226#define EVP_dsa_sha1() \
58964a49
RE		 227 EVP_PKEY_MD_add(NID_dsaWithSHA1,\
228 EVP_dsa(),EVP_sha1())
229
230typedef struct evp_pkey_method_st
231 {
232 char *name;
233 int flags;
234 int type; /* RSA, DSA, an SSLeay specific constant */
235 int oid; /* For the pub-key type */
236 int encrypt_oid; /* pub/priv key encryption */
237
238 int (*sign)();
239 int (*verify)();
240 struct {
241 int
242 int (*set)(); /* get and/or set the underlying type */
243 int (*get)();
244 int (*encrypt)();
245 int (*decrypt)();
246 int (*i2d)();
247 int (*d2i)();
248 int (*dup)();
249 } pub,priv;
250 int (*set_asn1_parameters)();
251 int (*get_asn1_parameters)();
252 } EVP_PKEY_METHOD;
253#endif
254
d02b48c6
RE		 255#ifndef EVP_MD
256typedef struct env_md_st
257 {
258 int type;
259 int pkey_type;
260 int md_size;
261 void (*init)();
262 void (*update)();
263 void (*final)();
264
265 int (*sign)();
266 int (*verify)();
58964a49
RE		 267 int required_pkey_type[5]; /*EVP_PKEY_xxx */
268 int block_size;
269 int ctx_size; /* how big does the ctx need to be */
d02b48c6
RE		 270 } EVP_MD;
271
cfcefcbe
DSH		 272
273
d02b48c6
RE		 274#define EVP_PKEY_NULL_method NULL,NULL,{0,0,0,0}
275
276#ifndef NO_DSA
277#define EVP_PKEY_DSA_method DSA_sign,DSA_verify, \
58964a49
RE		 278 {EVP_PKEY_DSA,EVP_PKEY_DSA2,EVP_PKEY_DSA3, \
279 EVP_PKEY_DSA4,0}
d02b48c6
RE		 280#else
281#define EVP_PKEY_DSA_method EVP_PKEY_NULL_method
282#endif
283
284#ifndef NO_RSA
285#define EVP_PKEY_RSA_method RSA_sign,RSA_verify, \
286 {EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0}
287#define EVP_PKEY_RSA_ASN1_OCTET_STRING_method \
288 RSA_sign_ASN1_OCTET_STRING, \
289 RSA_verify_ASN1_OCTET_STRING, \
290 {EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0}
291#else
292#define EVP_PKEY_RSA_method EVP_PKEY_NULL_method
293#define EVP_PKEY_RSA_ASN1_OCTET_STRING_method EVP_PKEY_NULL_method
294#endif
295
296#endif /* !EVP_MD */
297
298typedef struct env_md_ctx_st
299 {
e778802f 300 const EVP_MD *digest;
d02b48c6
RE		 301 union {
302 unsigned char base[4];
303#ifndef NO_MD2
304 MD2_CTX md2;
305#endif
306#ifndef NO_MD5
307 MD5_CTX md5;
308#endif
f5d7a031 309#ifndef NO_RIPEMD
58964a49
RE		 310 RIPEMD160_CTX ripemd160;
311#endif
f5d7a031 312#ifndef NO_SHA
d02b48c6
RE		 313 SHA_CTX sha;
314#endif
315#ifndef NO_MDC2
316 MDC2_CTX mdc2;
317#endif
318 } md;
319 } EVP_MD_CTX;
320
7f060601
DSH		 321typedef struct evp_cipher_st EVP_CIPHER;
322typedef struct evp_cipher_ctx_st EVP_CIPHER_CTX;
323
324struct evp_cipher_st
d02b48c6
RE		 325 {
326 int nid;
327 int block_size;
7f060601 328 int key_len; /* Default value for variable length ciphers */
d02b48c6 329 int iv_len;
7f060601 330 unsigned long flags; /* Various flags */
be06a934
DSH		 331 int (*init)(EVP_CIPHER_CTX *, unsigned char *, unsigned char *, int); /* init key */
332 int (*do_cipher)(EVP_CIPHER_CTX *, unsigned char *, unsigned char *, unsigned int);/* encrypt/decrypt data */
333 int (*cleanup)(EVP_CIPHER_CTX *); /* cleanup ctx */
58964a49 334 int ctx_size; /* how big the ctx needs to be */
7f060601
DSH		 335 int (*set_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Populate a ASN1_TYPE with parameters */
336 int (*get_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Get parameters from a ASN1_TYPE */
337 int (*ctrl)(EVP_CIPHER_CTX *, int type, int arg, void *ptr); /* Miscellaneous operations */
360370d9 338 void *app_data; /* Application data */
7f060601
DSH		 339 };
340
341/* Values for cipher flags */
342
360370d9 343/* Modes for ciphers */
7f060601 344
360370d9 345#define EVP_CIPH_STREAM_CIPHER 0x0
7f060601
DSH		 346#define EVP_CIPH_ECB_MODE 0x1
347#define EVP_CIPH_CBC_MODE 0x2
348#define EVP_CIPH_CFB_MODE 0x3
349#define EVP_CIPH_OFB_MODE 0x4
360370d9 350#define EVP_CIPH_MODE 0x7
7f060601
DSH		 351/* Set if variable length cipher */
352#define EVP_CIPH_VARIABLE_LENGTH 0x8
360370d9
DSH		 353/* Set if the iv handling should be done by the cipher itself */
354#define EVP_CIPH_CUSTOM_IV 0x10
355/* Set if the cipher's init() function should be called if key is NULL */
356#define EVP_CIPH_ALWAYS_CALL_INIT 0x20
57ae2e24
DSH		 357/* Call ctrl() to init cipher parameters */
358#define EVP_CIPH_CTRL_INIT 0x40
359/* Don't use standard key length function */
360#define EVP_CIPH_CUSTOM_KEY_LENGTH 0x80
7f060601 361
57ae2e24
DSH		 362/* ctrl() values */
363
364#define EVP_CTRL_INIT 0x0
365#define EVP_CTRL_SET_KEY_LENGTH 0x1
366#define EVP_CTRL_GET_RC2_KEY_BITS 0x2
367#define EVP_CTRL_SET_RC2_KEY_BITS 0x3
368#define EVP_CTRL_GET_RC5_ROUNDS 0x4
369#define EVP_CTRL_SET_RC5_ROUNDS 0x5
d02b48c6
RE		 370
371typedef struct evp_cipher_info_st
372 {
e778802f 373 const EVP_CIPHER *cipher;
d02b48c6
RE		 374 unsigned char iv[EVP_MAX_IV_LENGTH];
375 } EVP_CIPHER_INFO;
376
7f060601 377struct evp_cipher_ctx_st
d02b48c6 378 {
e778802f 379 const EVP_CIPHER *cipher;
d02b48c6
RE		 380 int encrypt; /* encrypt or decrypt */
381 int buf_len; /* number we have left */
58964a49
RE		 382
383 unsigned char oiv[EVP_MAX_IV_LENGTH]; /* original iv */
384 unsigned char iv[EVP_MAX_IV_LENGTH]; /* working iv */
385 unsigned char buf[EVP_MAX_IV_LENGTH]; /* saved partial block */
386 int num; /* used by cfb/ofb mode */
387
7f060601
DSH		 388 void *app_data; /* application stuff */
389 int key_len; /* May change for variable length cipher */
d02b48c6
RE		 390 union {
391#ifndef NO_RC4
392 struct
393 {
394 unsigned char key[EVP_RC4_KEY_SIZE];
395 RC4_KEY ks; /* working key */
396 } rc4;
397#endif
398#ifndef NO_DES
58964a49 399 des_key_schedule des_ks;/* key schedule */
d02b48c6
RE		 400 struct
401 {
402 des_key_schedule ks;/* key schedule */
93fd0fd6
UM		 403 des_cblock inw;
404 des_cblock outw;
d02b48c6 405 } desx_cbc;
d02b48c6
RE		 406 struct
407 {
58964a49 408 des_key_schedule ks1;/* key schedule */
d02b48c6
RE		 409 des_key_schedule ks2;/* key schedule (for ede) */
410 des_key_schedule ks3;/* key schedule (for ede3) */
d02b48c6
RE		 411 } des_ede;
412#endif
413#ifndef NO_IDEA
58964a49 414 IDEA_KEY_SCHEDULE idea_ks;/* key schedule */
d02b48c6
RE		 415#endif
416#ifndef NO_RC2
57ae2e24
DSH		 417 struct {
418 int key_bits; /* effective key bits */
419 RC2_KEY ks;/* key schedule */
420 } rc2;
58964a49
RE		 421#endif
422#ifndef NO_RC5
57ae2e24
DSH		 423 struct {
424 int rounds; /* number of rounds */
425 RC5_32_KEY ks;/* key schedule */
426 } rc5;
d02b48c6 427#endif
f5d7a031 428#ifndef NO_BF
58964a49
RE		 429 BF_KEY bf_ks;/* key schedule */
430#endif
431#ifndef NO_CAST
432 CAST_KEY cast_ks;/* key schedule */
d02b48c6
RE		 433#endif
434 } c;
7f060601 435 };
d02b48c6
RE		 436
437typedef struct evp_Encode_Ctx_st
438 {
439 int num; /* number saved in a partial encode/decode */
440 int length; /* The length is either the output line length
441 * (in input bytes) or the shortest input line
442 * length that is ok. Once decoding begins,
443 * the length is adjusted up each time a longer
444 * line is decoded */
445 unsigned char enc_data[80]; /* data to encode */
446 int line_num; /* number read on current line */
58964a49 447 int expect_nl;
d02b48c6
RE		 448 } EVP_ENCODE_CTX;
449
cfcefcbe 450/* Password based encryption function */
2bd83ca1 451typedef int (EVP_PBE_KEYGEN)(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
69cbf468 452 ASN1_TYPE *param, EVP_CIPHER *cipher,
2bd83ca1 453 EVP_MD *md, int en_de);
cfcefcbe 454
d02b48c6
RE		 455#define EVP_PKEY_assign_RSA(pkey,rsa) EVP_PKEY_assign((pkey),EVP_PKEY_RSA,\
456 (char *)(rsa))
457#define EVP_PKEY_assign_DSA(pkey,dsa) EVP_PKEY_assign((pkey),EVP_PKEY_DSA,\
458 (char *)(dsa))
459#define EVP_PKEY_assign_DH(pkey,dh) EVP_PKEY_assign((pkey),EVP_PKEY_DH,\
460 (char *)(dh))
461
462/* Add some extra combinations */
463#define EVP_get_digestbynid(a) EVP_get_digestbyname(OBJ_nid2sn(a))
464#define EVP_get_digestbyobj(a) EVP_get_digestbynid(OBJ_obj2nid(a))
465#define EVP_get_cipherbynid(a) EVP_get_cipherbyname(OBJ_nid2sn(a))
466#define EVP_get_cipherbyobj(a) EVP_get_cipherbynid(OBJ_obj2nid(a))
467
468#define EVP_MD_type(e) ((e)->type)
469#define EVP_MD_pkey_type(e) ((e)->pkey_type)
470#define EVP_MD_size(e) ((e)->md_size)
58964a49
RE		 471#define EVP_MD_block_size(e) ((e)->block_size)
472
72b60351 473#define EVP_MD_CTX_md(e) ((e)->digest)
58964a49
RE		 474#define EVP_MD_CTX_size(e) EVP_MD_size((e)->digest)
475#define EVP_MD_CTX_block_size(e) EVP_MD_block_size((e)->digest)
72b60351 476#define EVP_MD_CTX_type(e) EVP_MD_type((e)->digest)
d02b48c6
RE		 477
478#define EVP_CIPHER_nid(e) ((e)->nid)
479#define EVP_CIPHER_block_size(e) ((e)->block_size)
480#define EVP_CIPHER_key_length(e) ((e)->key_len)
481#define EVP_CIPHER_iv_length(e) ((e)->iv_len)
360370d9
DSH		 482#define EVP_CIPHER_flags(e) ((e)->flags)
483#define EVP_CIPHER_mode(e) ((e)->flags) & EVP_CIPH_MODE)
d02b48c6
RE		 484
485#define EVP_CIPHER_CTX_cipher(e) ((e)->cipher)
486#define EVP_CIPHER_CTX_nid(e) ((e)->cipher->nid)
487#define EVP_CIPHER_CTX_block_size(e) ((e)->cipher->block_size)
7f060601 488#define EVP_CIPHER_CTX_key_length(e) ((e)->key_len)
d02b48c6
RE		 489#define EVP_CIPHER_CTX_iv_length(e) ((e)->cipher->iv_len)
490#define EVP_CIPHER_CTX_get_app_data(e) ((e)->app_data)
491#define EVP_CIPHER_CTX_set_app_data(e,d) ((e)->app_data=(char *)(d))
884e8ec6 492#define EVP_CIPHER_CTX_type(c) EVP_CIPHER_type(EVP_CIPHER_CTX_cipher(c))
360370d9
DSH		 493#define EVP_CIPHER_CTX_flags(e) ((e)->cipher->flags)
494#define EVP_CIPHER_CTX_mode(e) ((e)->cipher->flags & EVP_CIPH_MODE)
d02b48c6
RE		 495
496#define EVP_ENCODE_LENGTH(l) (((l+2)/3*4)+(l/48+1)*2+80)
497#define EVP_DECODE_LENGTH(l) ((l+3)/4*3+80)
498
499#define EVP_SignInit(a,b) EVP_DigestInit(a,b)
500#define EVP_SignUpdate(a,b,c) EVP_DigestUpdate(a,b,c)
501#define EVP_VerifyInit(a,b) EVP_DigestInit(a,b)
502#define EVP_VerifyUpdate(a,b,c) EVP_DigestUpdate(a,b,c)
503#define EVP_OpenUpdate(a,b,c,d,e) EVP_DecryptUpdate(a,b,c,d,e)
504#define EVP_SealUpdate(a,b,c,d,e) EVP_EncryptUpdate(a,b,c,d,e)
505
e778802f
BL		 506#ifdef CONST_STRICT
507void BIO_set_md(BIO *,const EVP_MD *md);
508#else
509# define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,0,(char *)md)
510#endif
d02b48c6
RE		 511#define BIO_get_md(b,mdp) BIO_ctrl(b,BIO_C_GET_MD,0,(char *)mdp)
512#define BIO_get_md_ctx(b,mdcp) BIO_ctrl(b,BIO_C_GET_MD_CTX,0,(char *)mdcp)
513#define BIO_get_cipher_status(b) BIO_ctrl(b,BIO_C_GET_CIPHER_STATUS,0,NULL)
dfeab068 514#define BIO_get_cipher_ctx(b,c_pp) BIO_ctrl(b,BIO_C_GET_CIPHER_CTX,0,(char *)c_pp)
d02b48c6
RE		 515
516#define EVP_Cipher(c,o,i,l) (c)->cipher->do_cipher((c),(o),(i),(l))
517
dfeab068
RE		 518#define EVP_add_cipher_alias(n,alias) \
519 OBJ_NAME_add((alias),OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS,(n))
520#define EVP_add_digest_alias(n,alias) \
521 OBJ_NAME_add((alias),OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,(n))
522#define EVP_delete_cipher_alias(alias) \
523 OBJ_NAME_remove(alias,OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS);
524#define EVP_delete_digest_alias(alias) \
525 OBJ_NAME_remove(alias,OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS);
526
d02b48c6 527
351d8998 528int EVP_MD_CTX_copy(EVP_MD_CTX *out,EVP_MD_CTX *in);
e778802f 529void EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type);
8d8a8041 530void EVP_DigestUpdate(EVP_MD_CTX *ctx,const void *d,
e778802f 531 unsigned int cnt);
d02b48c6
RE		 532void EVP_DigestFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s);
533
e778802f 534int EVP_read_pw_string(char *buf,int length,const char *prompt,int verify);
d02b48c6
RE		 535void EVP_set_pw_prompt(char *prompt);
536char * EVP_get_pw_prompt(void);
537
e778802f 538int EVP_BytesToKey(const EVP_CIPHER *type,EVP_MD *md,unsigned char *salt,
d02b48c6
RE		 539 unsigned char *data, int datal, int count,
540 unsigned char *key,unsigned char *iv);
541
be06a934 542int EVP_EncryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
d02b48c6 543 unsigned char *key, unsigned char *iv);
be06a934 544int EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
d02b48c6 545 int *outl, unsigned char *in, int inl);
be06a934 546int EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
d02b48c6 547
be06a934 548int EVP_DecryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
d02b48c6 549 unsigned char *key, unsigned char *iv);
be06a934 550int EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
d02b48c6
RE		 551 int *outl, unsigned char *in, int inl);
552int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
553
be06a934 554int EVP_CipherInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
e778802f 555 unsigned char *key,unsigned char *iv,int enc);
be06a934 556int EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
d02b48c6
RE		 557 int *outl, unsigned char *in, int inl);
558int EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
559
560int EVP_SignFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s,
561 EVP_PKEY *pkey);
562
563int EVP_VerifyFinal(EVP_MD_CTX *ctx,unsigned char *sigbuf,
564 unsigned int siglen,EVP_PKEY *pkey);
565
566int EVP_OpenInit(EVP_CIPHER_CTX *ctx,EVP_CIPHER *type,unsigned char *ek,
567 int ekl,unsigned char *iv,EVP_PKEY *priv);
568int EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
569
570int EVP_SealInit(EVP_CIPHER_CTX *ctx, EVP_CIPHER *type, unsigned char **ek,
571 int *ekl, unsigned char *iv,EVP_PKEY **pubk, int npubk);
572void EVP_SealFinal(EVP_CIPHER_CTX *ctx,unsigned char *out,int *outl);
573
574void EVP_EncodeInit(EVP_ENCODE_CTX *ctx);
575void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,
576 int *outl,unsigned char *in,int inl);
577void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl);
092ec334 578int EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int n);
d02b48c6
RE		 579
580void EVP_DecodeInit(EVP_ENCODE_CTX *ctx);
581int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl,
582 unsigned char *in, int inl);
583int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned
584 char *out, int *outl);
092ec334 585int EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n);
d02b48c6
RE		 586
587void ERR_load_EVP_strings(void );
588
58964a49 589void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *a);
be06a934 590int EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *a);
7f060601 591int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *x, int keylen);
49528751 592int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr);
d02b48c6
RE		 593
594#ifdef HEADER_BIO_H
595BIO_METHOD *BIO_f_md(void);
596BIO_METHOD *BIO_f_base64(void);
597BIO_METHOD *BIO_f_cipher(void);
55ab3bf7 598BIO_METHOD *BIO_f_reliable(void);
e778802f 599void BIO_set_cipher(BIO *b,const EVP_CIPHER *c,unsigned char *k,
d02b48c6
RE		 600 unsigned char *i, int enc);
601#endif
602
603EVP_MD *EVP_md_null(void);
604EVP_MD *EVP_md2(void);
605EVP_MD *EVP_md5(void);
606EVP_MD *EVP_sha(void);
607EVP_MD *EVP_sha1(void);
608EVP_MD *EVP_dss(void);
609EVP_MD *EVP_dss1(void);
610EVP_MD *EVP_mdc2(void);
58964a49 611EVP_MD *EVP_ripemd160(void);
d02b48c6
RE		 612
613EVP_CIPHER *EVP_enc_null(void); /* does nothing :-) */
614EVP_CIPHER *EVP_des_ecb(void);
615EVP_CIPHER *EVP_des_ede(void);
616EVP_CIPHER *EVP_des_ede3(void);
617EVP_CIPHER *EVP_des_cfb(void);
618EVP_CIPHER *EVP_des_ede_cfb(void);
619EVP_CIPHER *EVP_des_ede3_cfb(void);
620EVP_CIPHER *EVP_des_ofb(void);
621EVP_CIPHER *EVP_des_ede_ofb(void);
622EVP_CIPHER *EVP_des_ede3_ofb(void);
623EVP_CIPHER *EVP_des_cbc(void);
624EVP_CIPHER *EVP_des_ede_cbc(void);
625EVP_CIPHER *EVP_des_ede3_cbc(void);
626EVP_CIPHER *EVP_desx_cbc(void);
627EVP_CIPHER *EVP_rc4(void);
58964a49 628EVP_CIPHER *EVP_rc4_40(void);
d02b48c6
RE		 629EVP_CIPHER *EVP_idea_ecb(void);
630EVP_CIPHER *EVP_idea_cfb(void);
631EVP_CIPHER *EVP_idea_ofb(void);
632EVP_CIPHER *EVP_idea_cbc(void);
633EVP_CIPHER *EVP_rc2_ecb(void);
634EVP_CIPHER *EVP_rc2_cbc(void);
58964a49 635EVP_CIPHER *EVP_rc2_40_cbc(void);
dfeab068 636EVP_CIPHER *EVP_rc2_64_cbc(void);
d02b48c6
RE		 637EVP_CIPHER *EVP_rc2_cfb(void);
638EVP_CIPHER *EVP_rc2_ofb(void);
639EVP_CIPHER *EVP_bf_ecb(void);
640EVP_CIPHER *EVP_bf_cbc(void);
641EVP_CIPHER *EVP_bf_cfb(void);
642EVP_CIPHER *EVP_bf_ofb(void);
58964a49
RE		 643EVP_CIPHER *EVP_cast5_ecb(void);
644EVP_CIPHER *EVP_cast5_cbc(void);
645EVP_CIPHER *EVP_cast5_cfb(void);
646EVP_CIPHER *EVP_cast5_ofb(void);
647EVP_CIPHER *EVP_rc5_32_12_16_cbc(void);
648EVP_CIPHER *EVP_rc5_32_12_16_ecb(void);
649EVP_CIPHER *EVP_rc5_32_12_16_cfb(void);
650EVP_CIPHER *EVP_rc5_32_12_16_ofb(void);
d02b48c6 651
af57d843
DSH		 652void OpenSSL_add_all_algorithms(void);
653void OpenSSL_add_all_ciphers(void);
654void OpenSSL_add_all_digests(void);
655#define SSLeay_add_all_algorithms() OpenSSL_add_all_algorithms()
656#define SSLeay_add_all_ciphers() OpenSSL_add_all_ciphers()
657#define SSLeay_add_all_digests() OpenSSL_add_all_digests()
d02b48c6
RE		 658
659int EVP_add_cipher(EVP_CIPHER *cipher);
660int EVP_add_digest(EVP_MD *digest);
d02b48c6 661
e778802f
BL		 662const EVP_CIPHER *EVP_get_cipherbyname(const char *name);
663const EVP_MD *EVP_get_digestbyname(const char *name);
d02b48c6
RE		 664void EVP_cleanup(void);
665
58964a49
RE		 666int EVP_PKEY_decrypt(unsigned char *dec_key,unsigned char *enc_key,
667 int enc_key_len,EVP_PKEY *private_key);
668int EVP_PKEY_encrypt(unsigned char *enc_key,
669 unsigned char *key,int key_len,EVP_PKEY *pub_key);
d02b48c6 670int EVP_PKEY_type(int type);
58964a49 671int EVP_PKEY_bits(EVP_PKEY *pkey);
d02b48c6
RE		 672int EVP_PKEY_size(EVP_PKEY *pkey);
673int EVP_PKEY_assign(EVP_PKEY *pkey,int type,char *key);
12aefe78 674#ifndef NO_RSA
c7cb16a8
DSH		 675int EVP_PKEY_set1_RSA(EVP_PKEY *pkey,RSA *key);
676RSA * EVP_PKEY_get1_RSA(EVP_PKEY *pkey);
12aefe78
DSH		 677#endif
678#ifndef NO_DSA
c7cb16a8
DSH		 679int EVP_PKEY_set1_DSA(EVP_PKEY *pkey,DSA *key);
680DSA * EVP_PKEY_get1_DSA(EVP_PKEY *pkey);
12aefe78
DSH		 681#endif
682#ifndef NO_DH
c7cb16a8
DSH		 683int EVP_PKEY_set1_DH(EVP_PKEY *pkey,DH *key);
684DH * EVP_PKEY_get1_DH(EVP_PKEY *pkey);
12aefe78 685#endif
d02b48c6
RE		 686EVP_PKEY * EVP_PKEY_new(void);
687void EVP_PKEY_free(EVP_PKEY *pkey);
688EVP_PKEY * d2i_PublicKey(int type,EVP_PKEY **a, unsigned char **pp,
689 long length);
690int i2d_PublicKey(EVP_PKEY *a, unsigned char **pp);
691
692EVP_PKEY * d2i_PrivateKey(int type,EVP_PKEY **a, unsigned char **pp,
693 long length);
20432eae
DSH		 694EVP_PKEY * d2i_AutoPrivateKey(EVP_PKEY **a, unsigned char **pp,
695 long length);
d02b48c6
RE		 696int i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp);
697
698int EVP_PKEY_copy_parameters(EVP_PKEY *to,EVP_PKEY *from);
699int EVP_PKEY_missing_parameters(EVP_PKEY *pkey);
700int EVP_PKEY_save_parameters(EVP_PKEY *pkey,int mode);
58964a49
RE		 701int EVP_PKEY_cmp_parameters(EVP_PKEY *a,EVP_PKEY *b);
702
84fa704c 703int EVP_CIPHER_type(const EVP_CIPHER *ctx);
884e8ec6 704
58964a49
RE		 705/* calls methods */
706int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
707int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
708
709/* These are used by EVP_CIPHER methods */
710int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type);
711int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type);
d02b48c6 712
b0c6fb80 713/* PKCS5 password based encryption */
2bd83ca1
DSH		 714int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
715 ASN1_TYPE *param, EVP_CIPHER *cipher, EVP_MD *md,
716 int en_de);
97e4a932 717int PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen,
72fbe87d
BL		 718 unsigned char *salt, int saltlen, int iter,
719 int keylen, unsigned char *out);
97e4a932
DSH		 720int PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
721 ASN1_TYPE *param, EVP_CIPHER *cipher, EVP_MD *md,
722 int en_de);
b0c6fb80 723
600dec15
DSH		 724void PKCS5_PBE_add(void);
725
69cbf468
DSH		 726int EVP_PBE_CipherInit (ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
727 ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de);
728int EVP_PBE_alg_add(int nid, EVP_CIPHER *cipher, EVP_MD *md,
729 EVP_PBE_KEYGEN *keygen);
730void EVP_PBE_cleanup(void);
731
d02b48c6 732/* BEGIN ERROR CODES */
6d311938
DSH		 733/* The following lines are auto generated by the script mkerr.pl. Any changes
734 * made after this point may be overwritten when the script is next run.
735 */
736
d02b48c6
RE		 737/* Error codes for the EVP functions. */
738
739/* Function codes. */
740#define EVP_F_D2I_PKEY 100
360370d9 741#define EVP_F_EVP_CIPHERINIT 123
49528751 742#define EVP_F_EVP_CIPHER_CTX_CTRL 124
7f060601 743#define EVP_F_EVP_CIPHER_CTX_SET_KEY_LENGTH 122
d02b48c6 744#define EVP_F_EVP_DECRYPTFINAL 101
cfcefcbe 745#define EVP_F_EVP_MD_CTX_COPY 110
d02b48c6 746#define EVP_F_EVP_OPENINIT 102
cfcefcbe
DSH		 747#define EVP_F_EVP_PBE_ALG_ADD 115
748#define EVP_F_EVP_PBE_CIPHERINIT 116
749#define EVP_F_EVP_PKCS82PKEY 111
750#define EVP_F_EVP_PKCS8_SET_BROKEN 112
751#define EVP_F_EVP_PKEY2PKCS8 113
d02b48c6 752#define EVP_F_EVP_PKEY_COPY_PARAMETERS 103
58964a49
RE		 753#define EVP_F_EVP_PKEY_DECRYPT 104
754#define EVP_F_EVP_PKEY_ENCRYPT 105
c7cb16a8
DSH		 755#define EVP_F_EVP_PKEY_GET1_DH 119
756#define EVP_F_EVP_PKEY_GET1_DSA 120
757#define EVP_F_EVP_PKEY_GET1_RSA 121
0202197d 758#define EVP_F_EVP_PKEY_NEW 106
58964a49
RE		 759#define EVP_F_EVP_SIGNFINAL 107
760#define EVP_F_EVP_VERIFYFINAL 108
97e4a932
DSH		 761#define EVP_F_PKCS5_PBE_KEYIVGEN 117
762#define EVP_F_PKCS5_V2_PBE_KEYIVGEN 118
dfeab068 763#define EVP_F_RC2_MAGIC_TO_METH 109
49528751 764#define EVP_F_RC5_CTRL 125
d02b48c6
RE		 765
766/* Reason codes. */
767#define EVP_R_BAD_DECRYPT 100
cfcefcbe
DSH		 768#define EVP_R_BN_DECODE_ERROR 112
769#define EVP_R_BN_PUBKEY_ERROR 113
97e4a932 770#define EVP_R_CIPHER_PARAMETER_ERROR 122
49528751
DSH		 771#define EVP_R_CTRL_NOT_IMPLEMENTED 132
772#define EVP_R_CTRL_OPERATION_NOT_IMPLEMENTED 133
cfcefcbe 773#define EVP_R_DECODE_ERROR 114
d02b48c6 774#define EVP_R_DIFFERENT_KEY_TYPES 101
cfcefcbe
DSH		 775#define EVP_R_ENCODE_ERROR 115
776#define EVP_R_EVP_PBE_CIPHERINIT_ERROR 119
f769ce3e
DSH		 777#define EVP_R_EXPECTING_AN_RSA_KEY 127
778#define EVP_R_EXPECTING_A_DH_KEY 128
779#define EVP_R_EXPECTING_A_DSA_KEY 129
49528751 780#define EVP_R_INITIALIZATION_ERROR 134
df82f5c8 781#define EVP_R_INPUT_NOT_INITIALIZED 111
7f060601 782#define EVP_R_INVALID_KEY_LENGTH 130
d02b48c6 783#define EVP_R_IV_TOO_LARGE 102
cfcefcbe 784#define EVP_R_KEYGEN_FAILURE 120
657e60fa 785#define EVP_R_MISSING_PARAMETERS 103
360370d9 786#define EVP_R_NO_CIPHER_SET 131
cfcefcbe 787#define EVP_R_NO_DSA_PARAMETERS 116
d02b48c6
RE		 788#define EVP_R_NO_SIGN_FUNCTION_CONFIGURED 104
789#define EVP_R_NO_VERIFY_FUNCTION_CONFIGURED 105
cfcefcbe 790#define EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE 117
d02b48c6 791#define EVP_R_PUBLIC_KEY_NOT_RSA 106
cfcefcbe 792#define EVP_R_UNKNOWN_PBE_ALGORITHM 121
49528751 793#define EVP_R_UNSUPORTED_NUMBER_OF_ROUNDS 135
d02b48c6 794#define EVP_R_UNSUPPORTED_CIPHER 107
97e4a932
DSH		 795#define EVP_R_UNSUPPORTED_KEYLENGTH 123
796#define EVP_R_UNSUPPORTED_KEY_DERIVATION_FUNCTION 124
dfeab068 797#define EVP_R_UNSUPPORTED_KEY_SIZE 108
97e4a932 798#define EVP_R_UNSUPPORTED_PRF 125
cfcefcbe 799#define EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM 118
97e4a932 800#define EVP_R_UNSUPPORTED_SALT_TYPE 126
dfeab068
RE		 801#define EVP_R_WRONG_FINAL_BLOCK_LENGTH 109
802#define EVP_R_WRONG_PUBLIC_KEY_TYPE 110
6d311938 803
d02b48c6
RE		 804#ifdef __cplusplus
805}
806#endif
807#endif
808
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