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