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The rest of the PKCS#5, PKCS#8 patch I forgot before :-)
[thirdparty/openssl.git] / crypto / evp / evp.h
CommitLineData
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
62#ifdef __cplusplus
63extern "C" {
64#endif
65
66#ifndef NO_MD2
ec577822 67#include <openssl/md2.h>
d02b48c6
RE		 68#endif
69#ifndef NO_MD5
ec577822 70#include <openssl/md5.h>
d02b48c6 71#endif
f5d7a031 72#ifndef NO_SHA
ec577822 73#include <openssl/sha.h>
d02b48c6 74#endif
f5d7a031 75#ifndef NO_RIPEMD
ec577822 76#include <openssl/ripemd.h>
58964a49 77#endif
d02b48c6 78#ifndef NO_DES
ec577822 79#include <openssl/des.h>
d02b48c6
RE		 80#endif
81#ifndef NO_RC4
ec577822 82#include <openssl/rc4.h>
d02b48c6
RE		 83#endif
84#ifndef NO_RC2
ec577822 85#include <openssl/rc2.h>
d02b48c6 86#endif
58964a49 87#ifndef NO_RC5
ec577822 88#include <openssl/rc5.h>
58964a49 89#endif
f5d7a031 90#ifndef NO_BF
ec577822 91#include <openssl/blowfish.h>
d02b48c6 92#endif
58964a49 93#ifndef NO_CAST
ec577822 94#include <openssl/cast.h>
58964a49 95#endif
d02b48c6 96#ifndef NO_IDEA
ec577822 97#include <openssl/idea.h>
d02b48c6
RE		 98#endif
99#ifndef NO_MDC2
ec577822 100#include <openssl/mdc2.h>
d02b48c6
RE		 101#endif
102
58964a49
RE		 103#define EVP_RC2_KEY_SIZE 16
104#define EVP_RC4_KEY_SIZE 16
105#define EVP_BLOWFISH_KEY_SIZE 16
106#define EVP_CAST5_KEY_SIZE 16
107#define EVP_RC5_32_12_16_KEY_SIZE 16
108#define EVP_MAX_MD_SIZE (16+20) /* The SSLv3 md5+sha1 type */
109#define EVP_MAX_KEY_LENGTH 24
110#define EVP_MAX_IV_LENGTH 8
d02b48c6
RE		 111
112#ifndef NO_RSA
ec577822 113#include <openssl/rsa.h>
d02b48c6
RE		 114#endif
115
116#ifndef NO_DSA
ec577822 117#include <openssl/dsa.h>
d02b48c6
RE		 118#endif
119
120#ifndef NO_DH
ec577822 121#include <openssl/dh.h>
d02b48c6
RE		 122#endif
123
ec577822 124#include <openssl/objects.h>
d02b48c6
RE		 125
126#define EVP_PK_RSA 0x0001
127#define EVP_PK_DSA 0x0002
128#define EVP_PK_DH 0x0004
129#define EVP_PKT_SIGN 0x0010
130#define EVP_PKT_ENC 0x0020
131#define EVP_PKT_EXCH 0x0040
132#define EVP_PKS_RSA 0x0100
133#define EVP_PKS_DSA 0x0200
134#define EVP_PKT_EXP 0x1000 /* <= 512 bit key */
135
136#define EVP_PKEY_NONE NID_undef
137#define EVP_PKEY_RSA NID_rsaEncryption
138#define EVP_PKEY_RSA2 NID_rsa
139#define EVP_PKEY_DSA NID_dsa
58964a49 140#define EVP_PKEY_DSA1 NID_dsa_2
d02b48c6
RE		 141#define EVP_PKEY_DSA2 NID_dsaWithSHA
142#define EVP_PKEY_DSA3 NID_dsaWithSHA1
58964a49 143#define EVP_PKEY_DSA4 NID_dsaWithSHA1_2
d02b48c6
RE		 144#define EVP_PKEY_DH NID_dhKeyAgreement
145
58964a49
RE		 146/* Type needs to be a bit field
147 * Sub-type needs to be for variations on the method, as in, can it do
148 * arbitary encryption.... */
d02b48c6
RE		 149typedef struct evp_pkey_st
150 {
151 int type;
152 int save_type;
153 int references;
154 union {
155 char *ptr;
f5d7a031 156#ifndef NO_RSA
d02b48c6 157 struct rsa_st *rsa; /* RSA */
f5d7a031
UM		 158#endif
159#ifndef NO_DSA
d02b48c6 160 struct dsa_st *dsa; /* DSA */
f5d7a031
UM		 161#endif
162#ifndef NO_DH
d02b48c6 163 struct dh_st *dh; /* DH */
f5d7a031 164#endif
d02b48c6
RE		 165 } pkey;
166 int save_parameters;
cfdcfede 167 STACK /*X509_ATTRIBUTE*/ *attributes; /* [ 0 ] */
d02b48c6
RE		 168 } EVP_PKEY;
169
58964a49
RE		 170#define EVP_PKEY_MO_SIGN 0x0001
171#define EVP_PKEY_MO_VERIFY 0x0002
172#define EVP_PKEY_MO_ENCRYPT 0x0004
173#define EVP_PKEY_MO_DECRYPT 0x0008
174
175#if 0
176/* This structure is required to tie the message digest and signing together.
177 * The lookup can be done by md/pkey_method, oid, oid/pkey_method, or
178 * oid, md and pkey.
179 * This is required because for various smart-card perform the digest and
180 * signing/verification on-board. To handle this case, the specific
181 * EVP_MD and EVP_PKEY_METHODs need to be closely associated.
dfeab068 182 * When a PKEY is created, it will have a EVP_PKEY_METHOD associated with it.
58964a49
RE		 183 * This can either be software or a token to provide the required low level
184 * routines.
185 */
186typedef struct evp_pkey_md_st
187 {
188 int oid;
189 EVP_MD *md;
190 EVP_PKEY_METHOD *pkey;
191 } EVP_PKEY_MD;
192
0ae645db 193#define EVP_rsa_md2() \
58964a49
RE		 194 EVP_PKEY_MD_add(NID_md2WithRSAEncryption,\
195 EVP_rsa_pkcs1(),EVP_md2())
0ae645db 196#define EVP_rsa_md5() \
58964a49
RE		 197 EVP_PKEY_MD_add(NID_md5WithRSAEncryption,\
198 EVP_rsa_pkcs1(),EVP_md5())
0ae645db 199#define EVP_rsa_sha0() \
58964a49
RE		 200 EVP_PKEY_MD_add(NID_shaWithRSAEncryption,\
201 EVP_rsa_pkcs1(),EVP_sha())
0ae645db 202#define EVP_rsa_sha1() \
58964a49
RE		 203 EVP_PKEY_MD_add(NID_sha1WithRSAEncryption,\
204 EVP_rsa_pkcs1(),EVP_sha1())
0ae645db 205#define EVP_rsa_ripemd160() \
58964a49
RE		 206 EVP_PKEY_MD_add(NID_ripemd160WithRSA,\
207 EVP_rsa_pkcs1(),EVP_ripemd160())
0ae645db 208#define EVP_rsa_mdc2() \
58964a49
RE		 209 EVP_PKEY_MD_add(NID_mdc2WithRSA,\
210 EVP_rsa_octet_string(),EVP_mdc2())
0ae645db 211#define EVP_dsa_sha() \
58964a49
RE		 212 EVP_PKEY_MD_add(NID_dsaWithSHA,\
213 EVP_dsa(),EVP_mdc2())
0ae645db 214#define EVP_dsa_sha1() \
58964a49
RE		 215 EVP_PKEY_MD_add(NID_dsaWithSHA1,\
216 EVP_dsa(),EVP_sha1())
217
218typedef struct evp_pkey_method_st
219 {
220 char *name;
221 int flags;
222 int type; /* RSA, DSA, an SSLeay specific constant */
223 int oid; /* For the pub-key type */
224 int encrypt_oid; /* pub/priv key encryption */
225
226 int (*sign)();
227 int (*verify)();
228 struct {
229 int
230 int (*set)(); /* get and/or set the underlying type */
231 int (*get)();
232 int (*encrypt)();
233 int (*decrypt)();
234 int (*i2d)();
235 int (*d2i)();
236 int (*dup)();
237 } pub,priv;
238 int (*set_asn1_parameters)();
239 int (*get_asn1_parameters)();
240 } EVP_PKEY_METHOD;
241#endif
242
d02b48c6
RE		 243#ifndef EVP_MD
244typedef struct env_md_st
245 {
246 int type;
247 int pkey_type;
248 int md_size;
249 void (*init)();
250 void (*update)();
251 void (*final)();
252
253 int (*sign)();
254 int (*verify)();
58964a49
RE		 255 int required_pkey_type[5]; /*EVP_PKEY_xxx */
256 int block_size;
257 int ctx_size; /* how big does the ctx need to be */
d02b48c6
RE		 258 } EVP_MD;
259
cfcefcbe
DSH		 260
261
d02b48c6
RE		 262#define EVP_PKEY_NULL_method NULL,NULL,{0,0,0,0}
263
264#ifndef NO_DSA
265#define EVP_PKEY_DSA_method DSA_sign,DSA_verify, \
58964a49
RE		 266 {EVP_PKEY_DSA,EVP_PKEY_DSA2,EVP_PKEY_DSA3, \
267 EVP_PKEY_DSA4,0}
d02b48c6
RE		 268#else
269#define EVP_PKEY_DSA_method EVP_PKEY_NULL_method
270#endif
271
272#ifndef NO_RSA
273#define EVP_PKEY_RSA_method RSA_sign,RSA_verify, \
274 {EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0}
275#define EVP_PKEY_RSA_ASN1_OCTET_STRING_method \
276 RSA_sign_ASN1_OCTET_STRING, \
277 RSA_verify_ASN1_OCTET_STRING, \
278 {EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0}
279#else
280#define EVP_PKEY_RSA_method EVP_PKEY_NULL_method
281#define EVP_PKEY_RSA_ASN1_OCTET_STRING_method EVP_PKEY_NULL_method
282#endif
283
284#endif /* !EVP_MD */
285
286typedef struct env_md_ctx_st
287 {
e778802f 288 const EVP_MD *digest;
d02b48c6
RE		 289 union {
290 unsigned char base[4];
291#ifndef NO_MD2
292 MD2_CTX md2;
293#endif
294#ifndef NO_MD5
295 MD5_CTX md5;
296#endif
f5d7a031 297#ifndef NO_RIPEMD
58964a49
RE		 298 RIPEMD160_CTX ripemd160;
299#endif
f5d7a031 300#ifndef NO_SHA
d02b48c6
RE		 301 SHA_CTX sha;
302#endif
303#ifndef NO_MDC2
304 MDC2_CTX mdc2;
305#endif
306 } md;
307 } EVP_MD_CTX;
308
309typedef struct evp_cipher_st
310 {
311 int nid;
312 int block_size;
313 int key_len;
314 int iv_len;
315 void (*init)(); /* init for encryption */
316 void (*do_cipher)(); /* encrypt data */
317 void (*cleanup)(); /* used by cipher method */
58964a49
RE		 318 int ctx_size; /* how big the ctx needs to be */
319 /* int set_asn1_parameters(EVP_CIPHER_CTX,ASN1_TYPE *); */
320 int (*set_asn1_parameters)(); /* Populate a ASN1_TYPE with parameters */
321 /* int get_asn1_parameters(EVP_CIPHER_CTX,ASN1_TYPE *); */
322 int (*get_asn1_parameters)(); /* Get parameters from a ASN1_TYPE */
d02b48c6
RE		 323 } EVP_CIPHER;
324
325typedef struct evp_cipher_info_st
326 {
e778802f 327 const EVP_CIPHER *cipher;
d02b48c6
RE		 328 unsigned char iv[EVP_MAX_IV_LENGTH];
329 } EVP_CIPHER_INFO;
330
331typedef struct evp_cipher_ctx_st
332 {
e778802f 333 const EVP_CIPHER *cipher;
d02b48c6
RE		 334 int encrypt; /* encrypt or decrypt */
335 int buf_len; /* number we have left */
58964a49
RE		 336
337 unsigned char oiv[EVP_MAX_IV_LENGTH]; /* original iv */
338 unsigned char iv[EVP_MAX_IV_LENGTH]; /* working iv */
339 unsigned char buf[EVP_MAX_IV_LENGTH]; /* saved partial block */
340 int num; /* used by cfb/ofb mode */
341
d02b48c6
RE		 342 char *app_data; /* aplication stuff */
343 union {
344#ifndef NO_RC4
345 struct
346 {
347 unsigned char key[EVP_RC4_KEY_SIZE];
348 RC4_KEY ks; /* working key */
349 } rc4;
350#endif
351#ifndef NO_DES
58964a49 352 des_key_schedule des_ks;/* key schedule */
d02b48c6
RE		 353 struct
354 {
355 des_key_schedule ks;/* key schedule */
d02b48c6
RE		 356 C_Block inw;
357 C_Block outw;
d02b48c6 358 } desx_cbc;
d02b48c6
RE		 359 struct
360 {
58964a49 361 des_key_schedule ks1;/* key schedule */
d02b48c6
RE		 362 des_key_schedule ks2;/* key schedule (for ede) */
363 des_key_schedule ks3;/* key schedule (for ede3) */
d02b48c6
RE		 364 } des_ede;
365#endif
366#ifndef NO_IDEA
58964a49 367 IDEA_KEY_SCHEDULE idea_ks;/* key schedule */
d02b48c6
RE		 368#endif
369#ifndef NO_RC2
58964a49
RE		 370 RC2_KEY rc2_ks;/* key schedule */
371#endif
372#ifndef NO_RC5
373 RC5_32_KEY rc5_ks;/* key schedule */
d02b48c6 374#endif
f5d7a031 375#ifndef NO_BF
58964a49
RE		 376 BF_KEY bf_ks;/* key schedule */
377#endif
378#ifndef NO_CAST
379 CAST_KEY cast_ks;/* key schedule */
d02b48c6
RE		 380#endif
381 } c;
382 } EVP_CIPHER_CTX;
383
384typedef struct evp_Encode_Ctx_st
385 {
386 int num; /* number saved in a partial encode/decode */
387 int length; /* The length is either the output line length
388 * (in input bytes) or the shortest input line
389 * length that is ok. Once decoding begins,
390 * the length is adjusted up each time a longer
391 * line is decoded */
392 unsigned char enc_data[80]; /* data to encode */
393 int line_num; /* number read on current line */
58964a49 394 int expect_nl;
d02b48c6
RE		 395 } EVP_ENCODE_CTX;
396
cfcefcbe 397/* Password based encryption function */
61f5b6f3 398typedef int (EVP_PBE_KEYGEN)(const char *pass, int passlen,
cfcefcbe
DSH		 399 unsigned char *salt, int saltlen, int iter, EVP_CIPHER *cipher,
400 EVP_MD *md, unsigned char *key, unsigned char *iv);
401
d02b48c6
RE		 402#define EVP_PKEY_assign_RSA(pkey,rsa) EVP_PKEY_assign((pkey),EVP_PKEY_RSA,\
403 (char *)(rsa))
404#define EVP_PKEY_assign_DSA(pkey,dsa) EVP_PKEY_assign((pkey),EVP_PKEY_DSA,\
405 (char *)(dsa))
406#define EVP_PKEY_assign_DH(pkey,dh) EVP_PKEY_assign((pkey),EVP_PKEY_DH,\
407 (char *)(dh))
408
409/* Add some extra combinations */
410#define EVP_get_digestbynid(a) EVP_get_digestbyname(OBJ_nid2sn(a))
411#define EVP_get_digestbyobj(a) EVP_get_digestbynid(OBJ_obj2nid(a))
412#define EVP_get_cipherbynid(a) EVP_get_cipherbyname(OBJ_nid2sn(a))
413#define EVP_get_cipherbyobj(a) EVP_get_cipherbynid(OBJ_obj2nid(a))
414
415#define EVP_MD_type(e) ((e)->type)
416#define EVP_MD_pkey_type(e) ((e)->pkey_type)
417#define EVP_MD_size(e) ((e)->md_size)
58964a49
RE		 418#define EVP_MD_block_size(e) ((e)->block_size)
419
420#define EVP_MD_CTX_size(e) EVP_MD_size((e)->digest)
421#define EVP_MD_CTX_block_size(e) EVP_MD_block_size((e)->digest)
d02b48c6
RE		 422#define EVP_MD_CTX_type(e) ((e)->digest)
423
424#define EVP_CIPHER_nid(e) ((e)->nid)
425#define EVP_CIPHER_block_size(e) ((e)->block_size)
426#define EVP_CIPHER_key_length(e) ((e)->key_len)
427#define EVP_CIPHER_iv_length(e) ((e)->iv_len)
428
429#define EVP_CIPHER_CTX_cipher(e) ((e)->cipher)
430#define EVP_CIPHER_CTX_nid(e) ((e)->cipher->nid)
431#define EVP_CIPHER_CTX_block_size(e) ((e)->cipher->block_size)
432#define EVP_CIPHER_CTX_key_length(e) ((e)->cipher->key_len)
433#define EVP_CIPHER_CTX_iv_length(e) ((e)->cipher->iv_len)
434#define EVP_CIPHER_CTX_get_app_data(e) ((e)->app_data)
435#define EVP_CIPHER_CTX_set_app_data(e,d) ((e)->app_data=(char *)(d))
884e8ec6 436#define EVP_CIPHER_CTX_type(c) EVP_CIPHER_type(EVP_CIPHER_CTX_cipher(c))
d02b48c6
RE		 437
438#define EVP_ENCODE_LENGTH(l) (((l+2)/3*4)+(l/48+1)*2+80)
439#define EVP_DECODE_LENGTH(l) ((l+3)/4*3+80)
440
441#define EVP_SignInit(a,b) EVP_DigestInit(a,b)
442#define EVP_SignUpdate(a,b,c) EVP_DigestUpdate(a,b,c)
443#define EVP_VerifyInit(a,b) EVP_DigestInit(a,b)
444#define EVP_VerifyUpdate(a,b,c) EVP_DigestUpdate(a,b,c)
445#define EVP_OpenUpdate(a,b,c,d,e) EVP_DecryptUpdate(a,b,c,d,e)
446#define EVP_SealUpdate(a,b,c,d,e) EVP_EncryptUpdate(a,b,c,d,e)
447
e778802f
BL		 448#ifdef CONST_STRICT
449void BIO_set_md(BIO *,const EVP_MD *md);
450#else
451# define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,0,(char *)md)
452#endif
d02b48c6
RE		 453#define BIO_get_md(b,mdp) BIO_ctrl(b,BIO_C_GET_MD,0,(char *)mdp)
454#define BIO_get_md_ctx(b,mdcp) BIO_ctrl(b,BIO_C_GET_MD_CTX,0,(char *)mdcp)
455#define BIO_get_cipher_status(b) BIO_ctrl(b,BIO_C_GET_CIPHER_STATUS,0,NULL)
dfeab068 456#define BIO_get_cipher_ctx(b,c_pp) BIO_ctrl(b,BIO_C_GET_CIPHER_CTX,0,(char *)c_pp)
d02b48c6
RE		 457
458#define EVP_Cipher(c,o,i,l) (c)->cipher->do_cipher((c),(o),(i),(l))
459
dfeab068
RE		 460#define EVP_add_cipher_alias(n,alias) \
461 OBJ_NAME_add((alias),OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS,(n))
462#define EVP_add_digest_alias(n,alias) \
463 OBJ_NAME_add((alias),OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,(n))
464#define EVP_delete_cipher_alias(alias) \
465 OBJ_NAME_remove(alias,OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS);
466#define EVP_delete_digest_alias(alias) \
467 OBJ_NAME_remove(alias,OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS);
468
d02b48c6 469
351d8998 470int EVP_MD_CTX_copy(EVP_MD_CTX *out,EVP_MD_CTX *in);
e778802f
BL		 471void EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type);
472void EVP_DigestUpdate(EVP_MD_CTX *ctx,const unsigned char *d,
473 unsigned int cnt);
d02b48c6
RE		 474void EVP_DigestFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s);
475
e778802f 476int EVP_read_pw_string(char *buf,int length,const char *prompt,int verify);
d02b48c6
RE		 477void EVP_set_pw_prompt(char *prompt);
478char * EVP_get_pw_prompt(void);
479
e778802f 480int EVP_BytesToKey(const EVP_CIPHER *type,EVP_MD *md,unsigned char *salt,
d02b48c6
RE		 481 unsigned char *data, int datal, int count,
482 unsigned char *key,unsigned char *iv);
483
e778802f 484void EVP_EncryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
d02b48c6
RE		 485 unsigned char *key, unsigned char *iv);
486void EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
487 int *outl, unsigned char *in, int inl);
488void EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
489
e778802f 490void EVP_DecryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
d02b48c6
RE		 491 unsigned char *key, unsigned char *iv);
492void EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
493 int *outl, unsigned char *in, int inl);
494int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
495
e778802f
BL		 496void EVP_CipherInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
497 unsigned char *key,unsigned char *iv,int enc);
d02b48c6
RE		 498void EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
499 int *outl, unsigned char *in, int inl);
500int EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
501
502int EVP_SignFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s,
503 EVP_PKEY *pkey);
504
505int EVP_VerifyFinal(EVP_MD_CTX *ctx,unsigned char *sigbuf,
506 unsigned int siglen,EVP_PKEY *pkey);
507
508int EVP_OpenInit(EVP_CIPHER_CTX *ctx,EVP_CIPHER *type,unsigned char *ek,
509 int ekl,unsigned char *iv,EVP_PKEY *priv);
510int EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
511
512int EVP_SealInit(EVP_CIPHER_CTX *ctx, EVP_CIPHER *type, unsigned char **ek,
513 int *ekl, unsigned char *iv,EVP_PKEY **pubk, int npubk);
514void EVP_SealFinal(EVP_CIPHER_CTX *ctx,unsigned char *out,int *outl);
515
516void EVP_EncodeInit(EVP_ENCODE_CTX *ctx);
517void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,
518 int *outl,unsigned char *in,int inl);
519void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl);
520int EVP_EncodeBlock(unsigned char *t, unsigned char *f, int n);
521
522void EVP_DecodeInit(EVP_ENCODE_CTX *ctx);
523int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl,
524 unsigned char *in, int inl);
525int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned
526 char *out, int *outl);
527int EVP_DecodeBlock(unsigned char *t, unsigned
528 char *f, int n);
529
530void ERR_load_EVP_strings(void );
531
58964a49 532void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *a);
d02b48c6
RE		 533void EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *a);
534
535#ifdef HEADER_BIO_H
536BIO_METHOD *BIO_f_md(void);
537BIO_METHOD *BIO_f_base64(void);
538BIO_METHOD *BIO_f_cipher(void);
55ab3bf7 539BIO_METHOD *BIO_f_reliable(void);
e778802f 540void BIO_set_cipher(BIO *b,const EVP_CIPHER *c,unsigned char *k,
d02b48c6
RE		 541 unsigned char *i, int enc);
542#endif
543
544EVP_MD *EVP_md_null(void);
545EVP_MD *EVP_md2(void);
546EVP_MD *EVP_md5(void);
547EVP_MD *EVP_sha(void);
548EVP_MD *EVP_sha1(void);
549EVP_MD *EVP_dss(void);
550EVP_MD *EVP_dss1(void);
551EVP_MD *EVP_mdc2(void);
58964a49 552EVP_MD *EVP_ripemd160(void);
d02b48c6
RE		 553
554EVP_CIPHER *EVP_enc_null(void); /* does nothing :-) */
555EVP_CIPHER *EVP_des_ecb(void);
556EVP_CIPHER *EVP_des_ede(void);
557EVP_CIPHER *EVP_des_ede3(void);
558EVP_CIPHER *EVP_des_cfb(void);
559EVP_CIPHER *EVP_des_ede_cfb(void);
560EVP_CIPHER *EVP_des_ede3_cfb(void);
561EVP_CIPHER *EVP_des_ofb(void);
562EVP_CIPHER *EVP_des_ede_ofb(void);
563EVP_CIPHER *EVP_des_ede3_ofb(void);
564EVP_CIPHER *EVP_des_cbc(void);
565EVP_CIPHER *EVP_des_ede_cbc(void);
566EVP_CIPHER *EVP_des_ede3_cbc(void);
567EVP_CIPHER *EVP_desx_cbc(void);
568EVP_CIPHER *EVP_rc4(void);
58964a49 569EVP_CIPHER *EVP_rc4_40(void);
d02b48c6
RE		 570EVP_CIPHER *EVP_idea_ecb(void);
571EVP_CIPHER *EVP_idea_cfb(void);
572EVP_CIPHER *EVP_idea_ofb(void);
573EVP_CIPHER *EVP_idea_cbc(void);
574EVP_CIPHER *EVP_rc2_ecb(void);
575EVP_CIPHER *EVP_rc2_cbc(void);
58964a49 576EVP_CIPHER *EVP_rc2_40_cbc(void);
dfeab068 577EVP_CIPHER *EVP_rc2_64_cbc(void);
d02b48c6
RE		 578EVP_CIPHER *EVP_rc2_cfb(void);
579EVP_CIPHER *EVP_rc2_ofb(void);
580EVP_CIPHER *EVP_bf_ecb(void);
581EVP_CIPHER *EVP_bf_cbc(void);
582EVP_CIPHER *EVP_bf_cfb(void);
583EVP_CIPHER *EVP_bf_ofb(void);
58964a49
RE		 584EVP_CIPHER *EVP_cast5_ecb(void);
585EVP_CIPHER *EVP_cast5_cbc(void);
586EVP_CIPHER *EVP_cast5_cfb(void);
587EVP_CIPHER *EVP_cast5_ofb(void);
588EVP_CIPHER *EVP_rc5_32_12_16_cbc(void);
589EVP_CIPHER *EVP_rc5_32_12_16_ecb(void);
590EVP_CIPHER *EVP_rc5_32_12_16_cfb(void);
591EVP_CIPHER *EVP_rc5_32_12_16_ofb(void);
d02b48c6
RE		 592
593void SSLeay_add_all_algorithms(void);
594void SSLeay_add_all_ciphers(void);
595void SSLeay_add_all_digests(void);
596
597int EVP_add_cipher(EVP_CIPHER *cipher);
598int EVP_add_digest(EVP_MD *digest);
d02b48c6 599
e778802f
BL		 600const EVP_CIPHER *EVP_get_cipherbyname(const char *name);
601const EVP_MD *EVP_get_digestbyname(const char *name);
d02b48c6
RE		 602void EVP_cleanup(void);
603
58964a49
RE		 604int EVP_PKEY_decrypt(unsigned char *dec_key,unsigned char *enc_key,
605 int enc_key_len,EVP_PKEY *private_key);
606int EVP_PKEY_encrypt(unsigned char *enc_key,
607 unsigned char *key,int key_len,EVP_PKEY *pub_key);
d02b48c6 608int EVP_PKEY_type(int type);
58964a49 609int EVP_PKEY_bits(EVP_PKEY *pkey);
d02b48c6
RE		 610int EVP_PKEY_size(EVP_PKEY *pkey);
611int EVP_PKEY_assign(EVP_PKEY *pkey,int type,char *key);
612EVP_PKEY * EVP_PKEY_new(void);
613void EVP_PKEY_free(EVP_PKEY *pkey);
614EVP_PKEY * d2i_PublicKey(int type,EVP_PKEY **a, unsigned char **pp,
615 long length);
616int i2d_PublicKey(EVP_PKEY *a, unsigned char **pp);
617
618EVP_PKEY * d2i_PrivateKey(int type,EVP_PKEY **a, unsigned char **pp,
619 long length);
620int i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp);
621
622int EVP_PKEY_copy_parameters(EVP_PKEY *to,EVP_PKEY *from);
623int EVP_PKEY_missing_parameters(EVP_PKEY *pkey);
624int EVP_PKEY_save_parameters(EVP_PKEY *pkey,int mode);
58964a49
RE		 625int EVP_PKEY_cmp_parameters(EVP_PKEY *a,EVP_PKEY *b);
626
84fa704c 627int EVP_CIPHER_type(const EVP_CIPHER *ctx);
884e8ec6 628
58964a49
RE		 629/* calls methods */
630int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
631int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
632
633/* These are used by EVP_CIPHER methods */
634int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type);
635int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type);
d02b48c6 636
b0c6fb80
DSH		 637/* PKCS5 password based encryption */
638int PKCS5_PBE_keyivgen(const char *pass, int passlen, unsigned char *salt,
639 int saltlen, int iter, EVP_CIPHER *cipher, EVP_MD *md,
640 unsigned char *key, unsigned char *iv);
641
d02b48c6 642/* BEGIN ERROR CODES */
6d311938
DSH		 643/* The following lines are auto generated by the script mkerr.pl. Any changes
644 * made after this point may be overwritten when the script is next run.
645 */
646
d02b48c6
RE		 647/* Error codes for the EVP functions. */
648
649/* Function codes. */
650#define EVP_F_D2I_PKEY 100
651#define EVP_F_EVP_DECRYPTFINAL 101
cfcefcbe 652#define EVP_F_EVP_MD_CTX_COPY 110
d02b48c6 653#define EVP_F_EVP_OPENINIT 102
cfcefcbe
DSH		 654#define EVP_F_EVP_PBE_ALGOR_CIPHERINIT 114
655#define EVP_F_EVP_PBE_ALG_ADD 115
656#define EVP_F_EVP_PBE_CIPHERINIT 116
657#define EVP_F_EVP_PKCS82PKEY 111
658#define EVP_F_EVP_PKCS8_SET_BROKEN 112
659#define EVP_F_EVP_PKEY2PKCS8 113
d02b48c6 660#define EVP_F_EVP_PKEY_COPY_PARAMETERS 103
58964a49
RE		 661#define EVP_F_EVP_PKEY_DECRYPT 104
662#define EVP_F_EVP_PKEY_ENCRYPT 105
663#define EVP_F_EVP_PKEY_NEW 106
664#define EVP_F_EVP_SIGNFINAL 107
665#define EVP_F_EVP_VERIFYFINAL 108
dfeab068 666#define EVP_F_RC2_MAGIC_TO_METH 109
d02b48c6
RE		 667
668/* Reason codes. */
669#define EVP_R_BAD_DECRYPT 100
cfcefcbe
DSH		 670#define EVP_R_BN_DECODE_ERROR 112
671#define EVP_R_BN_PUBKEY_ERROR 113
672#define EVP_R_DECODE_ERROR 114
d02b48c6 673#define EVP_R_DIFFERENT_KEY_TYPES 101
cfcefcbe
DSH		 674#define EVP_R_ENCODE_ERROR 115
675#define EVP_R_EVP_PBE_CIPHERINIT_ERROR 119
df82f5c8 676#define EVP_R_INPUT_NOT_INITIALIZED 111
d02b48c6 677#define EVP_R_IV_TOO_LARGE 102
cfcefcbe 678#define EVP_R_KEYGEN_FAILURE 120
d02b48c6 679#define EVP_R_MISSING_PARMATERS 103
cfcefcbe 680#define EVP_R_NO_DSA_PARAMETERS 116
d02b48c6
RE		 681#define EVP_R_NO_SIGN_FUNCTION_CONFIGURED 104
682#define EVP_R_NO_VERIFY_FUNCTION_CONFIGURED 105
cfcefcbe 683#define EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE 117
d02b48c6 684#define EVP_R_PUBLIC_KEY_NOT_RSA 106
cfcefcbe 685#define EVP_R_UNKNOWN_PBE_ALGORITHM 121
d02b48c6 686#define EVP_R_UNSUPPORTED_CIPHER 107
dfeab068 687#define EVP_R_UNSUPPORTED_KEY_SIZE 108
cfcefcbe 688#define EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM 118
dfeab068
RE		 689#define EVP_R_WRONG_FINAL_BLOCK_LENGTH 109
690#define EVP_R_WRONG_PUBLIC_KEY_TYPE 110
6d311938 691
d02b48c6
RE		 692#ifdef __cplusplus
693}
694#endif
695#endif
696
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