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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
321typedef struct evp_cipher_st
322 {
323 int nid;
324 int block_size;
325 int key_len;
326 int iv_len;
327 void (*init)(); /* init for encryption */
328 void (*do_cipher)(); /* encrypt data */
329 void (*cleanup)(); /* used by cipher method */
58964a49
RE		 330 int ctx_size; /* how big the ctx needs to be */
331 /* int set_asn1_parameters(EVP_CIPHER_CTX,ASN1_TYPE *); */
332 int (*set_asn1_parameters)(); /* Populate a ASN1_TYPE with parameters */
333 /* int get_asn1_parameters(EVP_CIPHER_CTX,ASN1_TYPE *); */
334 int (*get_asn1_parameters)(); /* Get parameters from a ASN1_TYPE */
d02b48c6
RE		 335 } EVP_CIPHER;
336
337typedef struct evp_cipher_info_st
338 {
e778802f 339 const EVP_CIPHER *cipher;
d02b48c6
RE		 340 unsigned char iv[EVP_MAX_IV_LENGTH];
341 } EVP_CIPHER_INFO;
342
343typedef struct evp_cipher_ctx_st
344 {
e778802f 345 const EVP_CIPHER *cipher;
d02b48c6
RE		 346 int encrypt; /* encrypt or decrypt */
347 int buf_len; /* number we have left */
58964a49
RE		 348
349 unsigned char oiv[EVP_MAX_IV_LENGTH]; /* original iv */
350 unsigned char iv[EVP_MAX_IV_LENGTH]; /* working iv */
351 unsigned char buf[EVP_MAX_IV_LENGTH]; /* saved partial block */
352 int num; /* used by cfb/ofb mode */
353
657e60fa 354 char *app_data; /* application stuff */
d02b48c6
RE		 355 union {
356#ifndef NO_RC4
357 struct
358 {
359 unsigned char key[EVP_RC4_KEY_SIZE];
360 RC4_KEY ks; /* working key */
361 } rc4;
362#endif
363#ifndef NO_DES
58964a49 364 des_key_schedule des_ks;/* key schedule */
d02b48c6
RE		 365 struct
366 {
367 des_key_schedule ks;/* key schedule */
93fd0fd6
UM		 368 des_cblock inw;
369 des_cblock outw;
d02b48c6 370 } desx_cbc;
d02b48c6
RE		 371 struct
372 {
58964a49 373 des_key_schedule ks1;/* key schedule */
d02b48c6
RE		 374 des_key_schedule ks2;/* key schedule (for ede) */
375 des_key_schedule ks3;/* key schedule (for ede3) */
d02b48c6
RE		 376 } des_ede;
377#endif
378#ifndef NO_IDEA
58964a49 379 IDEA_KEY_SCHEDULE idea_ks;/* key schedule */
d02b48c6
RE		 380#endif
381#ifndef NO_RC2
58964a49
RE		 382 RC2_KEY rc2_ks;/* key schedule */
383#endif
384#ifndef NO_RC5
385 RC5_32_KEY rc5_ks;/* key schedule */
d02b48c6 386#endif
f5d7a031 387#ifndef NO_BF
58964a49
RE		 388 BF_KEY bf_ks;/* key schedule */
389#endif
390#ifndef NO_CAST
391 CAST_KEY cast_ks;/* key schedule */
d02b48c6
RE		 392#endif
393 } c;
394 } EVP_CIPHER_CTX;
395
396typedef struct evp_Encode_Ctx_st
397 {
398 int num; /* number saved in a partial encode/decode */
399 int length; /* The length is either the output line length
400 * (in input bytes) or the shortest input line
401 * length that is ok. Once decoding begins,
402 * the length is adjusted up each time a longer
403 * line is decoded */
404 unsigned char enc_data[80]; /* data to encode */
405 int line_num; /* number read on current line */
58964a49 406 int expect_nl;
d02b48c6
RE		 407 } EVP_ENCODE_CTX;
408
cfcefcbe 409/* Password based encryption function */
2bd83ca1 410typedef int (EVP_PBE_KEYGEN)(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
69cbf468 411 ASN1_TYPE *param, EVP_CIPHER *cipher,
2bd83ca1 412 EVP_MD *md, int en_de);
cfcefcbe 413
d02b48c6
RE		 414#define EVP_PKEY_assign_RSA(pkey,rsa) EVP_PKEY_assign((pkey),EVP_PKEY_RSA,\
415 (char *)(rsa))
416#define EVP_PKEY_assign_DSA(pkey,dsa) EVP_PKEY_assign((pkey),EVP_PKEY_DSA,\
417 (char *)(dsa))
418#define EVP_PKEY_assign_DH(pkey,dh) EVP_PKEY_assign((pkey),EVP_PKEY_DH,\
419 (char *)(dh))
420
421/* Add some extra combinations */
422#define EVP_get_digestbynid(a) EVP_get_digestbyname(OBJ_nid2sn(a))
423#define EVP_get_digestbyobj(a) EVP_get_digestbynid(OBJ_obj2nid(a))
424#define EVP_get_cipherbynid(a) EVP_get_cipherbyname(OBJ_nid2sn(a))
425#define EVP_get_cipherbyobj(a) EVP_get_cipherbynid(OBJ_obj2nid(a))
426
427#define EVP_MD_type(e) ((e)->type)
428#define EVP_MD_pkey_type(e) ((e)->pkey_type)
429#define EVP_MD_size(e) ((e)->md_size)
58964a49
RE		 430#define EVP_MD_block_size(e) ((e)->block_size)
431
72b60351 432#define EVP_MD_CTX_md(e) ((e)->digest)
58964a49
RE		 433#define EVP_MD_CTX_size(e) EVP_MD_size((e)->digest)
434#define EVP_MD_CTX_block_size(e) EVP_MD_block_size((e)->digest)
72b60351 435#define EVP_MD_CTX_type(e) EVP_MD_type((e)->digest)
d02b48c6
RE		 436
437#define EVP_CIPHER_nid(e) ((e)->nid)
438#define EVP_CIPHER_block_size(e) ((e)->block_size)
439#define EVP_CIPHER_key_length(e) ((e)->key_len)
440#define EVP_CIPHER_iv_length(e) ((e)->iv_len)
441
442#define EVP_CIPHER_CTX_cipher(e) ((e)->cipher)
443#define EVP_CIPHER_CTX_nid(e) ((e)->cipher->nid)
444#define EVP_CIPHER_CTX_block_size(e) ((e)->cipher->block_size)
445#define EVP_CIPHER_CTX_key_length(e) ((e)->cipher->key_len)
446#define EVP_CIPHER_CTX_iv_length(e) ((e)->cipher->iv_len)
447#define EVP_CIPHER_CTX_get_app_data(e) ((e)->app_data)
448#define EVP_CIPHER_CTX_set_app_data(e,d) ((e)->app_data=(char *)(d))
884e8ec6 449#define EVP_CIPHER_CTX_type(c) EVP_CIPHER_type(EVP_CIPHER_CTX_cipher(c))
d02b48c6
RE		 450
451#define EVP_ENCODE_LENGTH(l) (((l+2)/3*4)+(l/48+1)*2+80)
452#define EVP_DECODE_LENGTH(l) ((l+3)/4*3+80)
453
454#define EVP_SignInit(a,b) EVP_DigestInit(a,b)
455#define EVP_SignUpdate(a,b,c) EVP_DigestUpdate(a,b,c)
456#define EVP_VerifyInit(a,b) EVP_DigestInit(a,b)
457#define EVP_VerifyUpdate(a,b,c) EVP_DigestUpdate(a,b,c)
458#define EVP_OpenUpdate(a,b,c,d,e) EVP_DecryptUpdate(a,b,c,d,e)
459#define EVP_SealUpdate(a,b,c,d,e) EVP_EncryptUpdate(a,b,c,d,e)
460
e778802f
BL		 461#ifdef CONST_STRICT
462void BIO_set_md(BIO *,const EVP_MD *md);
463#else
464# define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,0,(char *)md)
465#endif
d02b48c6
RE		 466#define BIO_get_md(b,mdp) BIO_ctrl(b,BIO_C_GET_MD,0,(char *)mdp)
467#define BIO_get_md_ctx(b,mdcp) BIO_ctrl(b,BIO_C_GET_MD_CTX,0,(char *)mdcp)
468#define BIO_get_cipher_status(b) BIO_ctrl(b,BIO_C_GET_CIPHER_STATUS,0,NULL)
dfeab068 469#define BIO_get_cipher_ctx(b,c_pp) BIO_ctrl(b,BIO_C_GET_CIPHER_CTX,0,(char *)c_pp)
d02b48c6
RE		 470
471#define EVP_Cipher(c,o,i,l) (c)->cipher->do_cipher((c),(o),(i),(l))
472
dfeab068
RE		 473#define EVP_add_cipher_alias(n,alias) \
474 OBJ_NAME_add((alias),OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS,(n))
475#define EVP_add_digest_alias(n,alias) \
476 OBJ_NAME_add((alias),OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,(n))
477#define EVP_delete_cipher_alias(alias) \
478 OBJ_NAME_remove(alias,OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS);
479#define EVP_delete_digest_alias(alias) \
480 OBJ_NAME_remove(alias,OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS);
481
d02b48c6 482
351d8998 483int EVP_MD_CTX_copy(EVP_MD_CTX *out,EVP_MD_CTX *in);
e778802f 484void EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type);
8d8a8041 485void EVP_DigestUpdate(EVP_MD_CTX *ctx,const void *d,
e778802f 486 unsigned int cnt);
d02b48c6
RE		 487void EVP_DigestFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s);
488
e778802f 489int EVP_read_pw_string(char *buf,int length,const char *prompt,int verify);
d02b48c6
RE		 490void EVP_set_pw_prompt(char *prompt);
491char * EVP_get_pw_prompt(void);
492
e778802f 493int EVP_BytesToKey(const EVP_CIPHER *type,EVP_MD *md,unsigned char *salt,
d02b48c6
RE		 494 unsigned char *data, int datal, int count,
495 unsigned char *key,unsigned char *iv);
496
e778802f 497void EVP_EncryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
d02b48c6
RE		 498 unsigned char *key, unsigned char *iv);
499void EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
500 int *outl, unsigned char *in, int inl);
501void EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
502
e778802f 503void EVP_DecryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
d02b48c6
RE		 504 unsigned char *key, unsigned char *iv);
505void EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
506 int *outl, unsigned char *in, int inl);
507int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
508
e778802f
BL		 509void EVP_CipherInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
510 unsigned char *key,unsigned char *iv,int enc);
d02b48c6
RE		 511void EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
512 int *outl, unsigned char *in, int inl);
513int EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
514
515int EVP_SignFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s,
516 EVP_PKEY *pkey);
517
518int EVP_VerifyFinal(EVP_MD_CTX *ctx,unsigned char *sigbuf,
519 unsigned int siglen,EVP_PKEY *pkey);
520
521int EVP_OpenInit(EVP_CIPHER_CTX *ctx,EVP_CIPHER *type,unsigned char *ek,
522 int ekl,unsigned char *iv,EVP_PKEY *priv);
523int EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
524
525int EVP_SealInit(EVP_CIPHER_CTX *ctx, EVP_CIPHER *type, unsigned char **ek,
526 int *ekl, unsigned char *iv,EVP_PKEY **pubk, int npubk);
527void EVP_SealFinal(EVP_CIPHER_CTX *ctx,unsigned char *out,int *outl);
528
529void EVP_EncodeInit(EVP_ENCODE_CTX *ctx);
530void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,
531 int *outl,unsigned char *in,int inl);
532void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl);
092ec334 533int EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int n);
d02b48c6
RE		 534
535void EVP_DecodeInit(EVP_ENCODE_CTX *ctx);
536int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl,
537 unsigned char *in, int inl);
538int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned
539 char *out, int *outl);
092ec334 540int EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n);
d02b48c6
RE		 541
542void ERR_load_EVP_strings(void );
543
58964a49 544void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *a);
d02b48c6
RE		 545void EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *a);
546
547#ifdef HEADER_BIO_H
548BIO_METHOD *BIO_f_md(void);
549BIO_METHOD *BIO_f_base64(void);
550BIO_METHOD *BIO_f_cipher(void);
55ab3bf7 551BIO_METHOD *BIO_f_reliable(void);
e778802f 552void BIO_set_cipher(BIO *b,const EVP_CIPHER *c,unsigned char *k,
d02b48c6
RE		 553 unsigned char *i, int enc);
554#endif
555
556EVP_MD *EVP_md_null(void);
557EVP_MD *EVP_md2(void);
558EVP_MD *EVP_md5(void);
559EVP_MD *EVP_sha(void);
560EVP_MD *EVP_sha1(void);
561EVP_MD *EVP_dss(void);
562EVP_MD *EVP_dss1(void);
563EVP_MD *EVP_mdc2(void);
58964a49 564EVP_MD *EVP_ripemd160(void);
d02b48c6
RE		 565
566EVP_CIPHER *EVP_enc_null(void); /* does nothing :-) */
567EVP_CIPHER *EVP_des_ecb(void);
568EVP_CIPHER *EVP_des_ede(void);
569EVP_CIPHER *EVP_des_ede3(void);
570EVP_CIPHER *EVP_des_cfb(void);
571EVP_CIPHER *EVP_des_ede_cfb(void);
572EVP_CIPHER *EVP_des_ede3_cfb(void);
573EVP_CIPHER *EVP_des_ofb(void);
574EVP_CIPHER *EVP_des_ede_ofb(void);
575EVP_CIPHER *EVP_des_ede3_ofb(void);
576EVP_CIPHER *EVP_des_cbc(void);
577EVP_CIPHER *EVP_des_ede_cbc(void);
578EVP_CIPHER *EVP_des_ede3_cbc(void);
579EVP_CIPHER *EVP_desx_cbc(void);
580EVP_CIPHER *EVP_rc4(void);
58964a49 581EVP_CIPHER *EVP_rc4_40(void);
d02b48c6
RE		 582EVP_CIPHER *EVP_idea_ecb(void);
583EVP_CIPHER *EVP_idea_cfb(void);
584EVP_CIPHER *EVP_idea_ofb(void);
585EVP_CIPHER *EVP_idea_cbc(void);
586EVP_CIPHER *EVP_rc2_ecb(void);
587EVP_CIPHER *EVP_rc2_cbc(void);
58964a49 588EVP_CIPHER *EVP_rc2_40_cbc(void);
dfeab068 589EVP_CIPHER *EVP_rc2_64_cbc(void);
d02b48c6
RE		 590EVP_CIPHER *EVP_rc2_cfb(void);
591EVP_CIPHER *EVP_rc2_ofb(void);
592EVP_CIPHER *EVP_bf_ecb(void);
593EVP_CIPHER *EVP_bf_cbc(void);
594EVP_CIPHER *EVP_bf_cfb(void);
595EVP_CIPHER *EVP_bf_ofb(void);
58964a49
RE		 596EVP_CIPHER *EVP_cast5_ecb(void);
597EVP_CIPHER *EVP_cast5_cbc(void);
598EVP_CIPHER *EVP_cast5_cfb(void);
599EVP_CIPHER *EVP_cast5_ofb(void);
600EVP_CIPHER *EVP_rc5_32_12_16_cbc(void);
601EVP_CIPHER *EVP_rc5_32_12_16_ecb(void);
602EVP_CIPHER *EVP_rc5_32_12_16_cfb(void);
603EVP_CIPHER *EVP_rc5_32_12_16_ofb(void);
d02b48c6 604
af57d843
DSH		 605void OpenSSL_add_all_algorithms(void);
606void OpenSSL_add_all_ciphers(void);
607void OpenSSL_add_all_digests(void);
608#define SSLeay_add_all_algorithms() OpenSSL_add_all_algorithms()
609#define SSLeay_add_all_ciphers() OpenSSL_add_all_ciphers()
610#define SSLeay_add_all_digests() OpenSSL_add_all_digests()
d02b48c6
RE		 611
612int EVP_add_cipher(EVP_CIPHER *cipher);
613int EVP_add_digest(EVP_MD *digest);
d02b48c6 614
e778802f
BL		 615const EVP_CIPHER *EVP_get_cipherbyname(const char *name);
616const EVP_MD *EVP_get_digestbyname(const char *name);
d02b48c6
RE		 617void EVP_cleanup(void);
618
58964a49
RE		 619int EVP_PKEY_decrypt(unsigned char *dec_key,unsigned char *enc_key,
620 int enc_key_len,EVP_PKEY *private_key);
621int EVP_PKEY_encrypt(unsigned char *enc_key,
622 unsigned char *key,int key_len,EVP_PKEY *pub_key);
d02b48c6 623int EVP_PKEY_type(int type);
58964a49 624int EVP_PKEY_bits(EVP_PKEY *pkey);
d02b48c6
RE		 625int EVP_PKEY_size(EVP_PKEY *pkey);
626int EVP_PKEY_assign(EVP_PKEY *pkey,int type,char *key);
12aefe78 627#ifndef NO_RSA
c7cb16a8
DSH		 628int EVP_PKEY_set1_RSA(EVP_PKEY *pkey,RSA *key);
629RSA * EVP_PKEY_get1_RSA(EVP_PKEY *pkey);
12aefe78
DSH		 630#endif
631#ifndef NO_DSA
c7cb16a8
DSH		 632int EVP_PKEY_set1_DSA(EVP_PKEY *pkey,DSA *key);
633DSA * EVP_PKEY_get1_DSA(EVP_PKEY *pkey);
12aefe78
DSH		 634#endif
635#ifndef NO_DH
c7cb16a8
DSH		 636int EVP_PKEY_set1_DH(EVP_PKEY *pkey,DH *key);
637DH * EVP_PKEY_get1_DH(EVP_PKEY *pkey);
12aefe78 638#endif
d02b48c6
RE		 639EVP_PKEY * EVP_PKEY_new(void);
640void EVP_PKEY_free(EVP_PKEY *pkey);
641EVP_PKEY * d2i_PublicKey(int type,EVP_PKEY **a, unsigned char **pp,
642 long length);
643int i2d_PublicKey(EVP_PKEY *a, unsigned char **pp);
644
645EVP_PKEY * d2i_PrivateKey(int type,EVP_PKEY **a, unsigned char **pp,
646 long length);
20432eae
DSH		 647EVP_PKEY * d2i_AutoPrivateKey(EVP_PKEY **a, unsigned char **pp,
648 long length);
d02b48c6
RE		 649int i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp);
650
651int EVP_PKEY_copy_parameters(EVP_PKEY *to,EVP_PKEY *from);
652int EVP_PKEY_missing_parameters(EVP_PKEY *pkey);
653int EVP_PKEY_save_parameters(EVP_PKEY *pkey,int mode);
58964a49
RE		 654int EVP_PKEY_cmp_parameters(EVP_PKEY *a,EVP_PKEY *b);
655
84fa704c 656int EVP_CIPHER_type(const EVP_CIPHER *ctx);
884e8ec6 657
58964a49
RE		 658/* calls methods */
659int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
660int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
661
662/* These are used by EVP_CIPHER methods */
663int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type);
664int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type);
d02b48c6 665
b0c6fb80 666/* PKCS5 password based encryption */
2bd83ca1
DSH		 667int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
668 ASN1_TYPE *param, EVP_CIPHER *cipher, EVP_MD *md,
669 int en_de);
97e4a932 670int PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen,
72fbe87d
BL		 671 unsigned char *salt, int saltlen, int iter,
672 int keylen, unsigned char *out);
97e4a932
DSH		 673int PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
674 ASN1_TYPE *param, EVP_CIPHER *cipher, EVP_MD *md,
675 int en_de);
b0c6fb80 676
600dec15
DSH		 677void PKCS5_PBE_add(void);
678
69cbf468
DSH		 679int EVP_PBE_CipherInit (ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
680 ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de);
681int EVP_PBE_alg_add(int nid, EVP_CIPHER *cipher, EVP_MD *md,
682 EVP_PBE_KEYGEN *keygen);
683void EVP_PBE_cleanup(void);
684
d02b48c6 685/* BEGIN ERROR CODES */
6d311938
DSH		 686/* The following lines are auto generated by the script mkerr.pl. Any changes
687 * made after this point may be overwritten when the script is next run.
688 */
689
d02b48c6
RE		 690/* Error codes for the EVP functions. */
691
692/* Function codes. */
693#define EVP_F_D2I_PKEY 100
694#define EVP_F_EVP_DECRYPTFINAL 101
cfcefcbe 695#define EVP_F_EVP_MD_CTX_COPY 110
d02b48c6 696#define EVP_F_EVP_OPENINIT 102
cfcefcbe
DSH		 697#define EVP_F_EVP_PBE_ALG_ADD 115
698#define EVP_F_EVP_PBE_CIPHERINIT 116
699#define EVP_F_EVP_PKCS82PKEY 111
700#define EVP_F_EVP_PKCS8_SET_BROKEN 112
701#define EVP_F_EVP_PKEY2PKCS8 113
d02b48c6 702#define EVP_F_EVP_PKEY_COPY_PARAMETERS 103
58964a49
RE		 703#define EVP_F_EVP_PKEY_DECRYPT 104
704#define EVP_F_EVP_PKEY_ENCRYPT 105
c7cb16a8
DSH		 705#define EVP_F_EVP_PKEY_GET1_DH 119
706#define EVP_F_EVP_PKEY_GET1_DSA 120
707#define EVP_F_EVP_PKEY_GET1_RSA 121
0202197d 708#define EVP_F_EVP_PKEY_NEW 106
58964a49
RE		 709#define EVP_F_EVP_SIGNFINAL 107
710#define EVP_F_EVP_VERIFYFINAL 108
97e4a932
DSH		 711#define EVP_F_PKCS5_PBE_KEYIVGEN 117
712#define EVP_F_PKCS5_V2_PBE_KEYIVGEN 118
dfeab068 713#define EVP_F_RC2_MAGIC_TO_METH 109
d02b48c6
RE		 714
715/* Reason codes. */
716#define EVP_R_BAD_DECRYPT 100
cfcefcbe
DSH		 717#define EVP_R_BN_DECODE_ERROR 112
718#define EVP_R_BN_PUBKEY_ERROR 113
97e4a932 719#define EVP_R_CIPHER_PARAMETER_ERROR 122
cfcefcbe 720#define EVP_R_DECODE_ERROR 114
d02b48c6 721#define EVP_R_DIFFERENT_KEY_TYPES 101
cfcefcbe
DSH		 722#define EVP_R_ENCODE_ERROR 115
723#define EVP_R_EVP_PBE_CIPHERINIT_ERROR 119
f769ce3e
DSH		 724#define EVP_R_EXPECTING_AN_RSA_KEY 127
725#define EVP_R_EXPECTING_A_DH_KEY 128
726#define EVP_R_EXPECTING_A_DSA_KEY 129
df82f5c8 727#define EVP_R_INPUT_NOT_INITIALIZED 111
d02b48c6 728#define EVP_R_IV_TOO_LARGE 102
cfcefcbe 729#define EVP_R_KEYGEN_FAILURE 120
657e60fa 730#define EVP_R_MISSING_PARAMETERS 103
cfcefcbe 731#define EVP_R_NO_DSA_PARAMETERS 116
d02b48c6
RE		 732#define EVP_R_NO_SIGN_FUNCTION_CONFIGURED 104
733#define EVP_R_NO_VERIFY_FUNCTION_CONFIGURED 105
cfcefcbe 734#define EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE 117
d02b48c6 735#define EVP_R_PUBLIC_KEY_NOT_RSA 106
cfcefcbe 736#define EVP_R_UNKNOWN_PBE_ALGORITHM 121
d02b48c6 737#define EVP_R_UNSUPPORTED_CIPHER 107
97e4a932
DSH		 738#define EVP_R_UNSUPPORTED_KEYLENGTH 123
739#define EVP_R_UNSUPPORTED_KEY_DERIVATION_FUNCTION 124
dfeab068 740#define EVP_R_UNSUPPORTED_KEY_SIZE 108
97e4a932 741#define EVP_R_UNSUPPORTED_PRF 125
cfcefcbe 742#define EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM 118
97e4a932 743#define EVP_R_UNSUPPORTED_SALT_TYPE 126
dfeab068
RE		 744#define EVP_R_WRONG_FINAL_BLOCK_LENGTH 109
745#define EVP_R_WRONG_PUBLIC_KEY_TYPE 110
6d311938 746
d02b48c6
RE		 747#ifdef __cplusplus
748}
749#endif
750#endif
751
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