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[thirdparty/openssl.git] / crypto / evp / evp.h
1 /* crypto/evp/evp.h */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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
63 extern "C" {
64 #endif
65
66 #ifndef NO_MD2
67 #include <openssl/md2.h>
68 #endif
69 #ifndef NO_MD5
70 #include <openssl/md5.h>
71 #endif
72 #ifndef NO_SHA
73 #include <openssl/sha.h>
74 #endif
75 #ifndef NO_RIPEMD
76 #include <openssl/ripemd.h>
77 #endif
78 #ifndef NO_DES
79 #include <openssl/des.h>
80 #endif
81 #ifndef NO_RC4
82 #include <openssl/rc4.h>
83 #endif
84 #ifndef NO_RC2
85 #include <openssl/rc2.h>
86 #endif
87 #ifndef NO_RC5
88 #include <openssl/rc5.h>
89 #endif
90 #ifndef NO_BF
91 #include <openssl/blowfish.h>
92 #endif
93 #ifndef NO_CAST
94 #include <openssl/cast.h>
95 #endif
96 #ifndef NO_IDEA
97 #include <openssl/idea.h>
98 #endif
99 #ifndef NO_MDC2
100 #include <openssl/mdc2.h>
101 #endif
102
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
111
112 #define PKCS5_SALT_LEN 8
113
114 #ifndef NO_RSA
115 #include <openssl/rsa.h>
116 #endif
117
118 #ifndef NO_DSA
119 #include <openssl/dsa.h>
120 #endif
121
122 #ifndef NO_DH
123 #include <openssl/dh.h>
124 #endif
125
126 #include <openssl/objects.h>
127
128 #define EVP_PK_RSA 0x0001
129 #define EVP_PK_DSA 0x0002
130 #define EVP_PK_DH 0x0004
131 #define EVP_PKT_SIGN 0x0010
132 #define EVP_PKT_ENC 0x0020
133 #define EVP_PKT_EXCH 0x0040
134 #define EVP_PKS_RSA 0x0100
135 #define EVP_PKS_DSA 0x0200
136 #define EVP_PKT_EXP 0x1000 /* <= 512 bit key */
137
138 #define EVP_PKEY_NONE NID_undef
139 #define EVP_PKEY_RSA NID_rsaEncryption
140 #define EVP_PKEY_RSA2 NID_rsa
141 #define EVP_PKEY_DSA NID_dsa
142 #define EVP_PKEY_DSA1 NID_dsa_2
143 #define EVP_PKEY_DSA2 NID_dsaWithSHA
144 #define EVP_PKEY_DSA3 NID_dsaWithSHA1
145 #define EVP_PKEY_DSA4 NID_dsaWithSHA1_2
146 #define EVP_PKEY_DH NID_dhKeyAgreement
147
148 /* Type needs to be a bit field
149 * Sub-type needs to be for variations on the method, as in, can it do
150 * arbitary encryption.... */
151 typedef struct evp_pkey_st
152 {
153 int type;
154 int save_type;
155 int references;
156 union {
157 char *ptr;
158 #ifndef NO_RSA
159 struct rsa_st *rsa; /* RSA */
160 #endif
161 #ifndef NO_DSA
162 struct dsa_st *dsa; /* DSA */
163 #endif
164 #ifndef NO_DH
165 struct dh_st *dh; /* DH */
166 #endif
167 } pkey;
168 int save_parameters;
169 STACK /*X509_ATTRIBUTE*/ *attributes; /* [ 0 ] */
170 } EVP_PKEY;
171
172 #define EVP_PKEY_MO_SIGN 0x0001
173 #define EVP_PKEY_MO_VERIFY 0x0002
174 #define EVP_PKEY_MO_ENCRYPT 0x0004
175 #define EVP_PKEY_MO_DECRYPT 0x0008
176
177 #if 0
178 /* This structure is required to tie the message digest and signing together.
179 * The lookup can be done by md/pkey_method, oid, oid/pkey_method, or
180 * oid, md and pkey.
181 * This is required because for various smart-card perform the digest and
182 * signing/verification on-board. To handle this case, the specific
183 * EVP_MD and EVP_PKEY_METHODs need to be closely associated.
184 * When a PKEY is created, it will have a EVP_PKEY_METHOD associated with it.
185 * This can either be software or a token to provide the required low level
186 * routines.
187 */
188 typedef struct evp_pkey_md_st
189 {
190 int oid;
191 EVP_MD *md;
192 EVP_PKEY_METHOD *pkey;
193 } EVP_PKEY_MD;
194
195 #define EVP_rsa_md2() \
196 EVP_PKEY_MD_add(NID_md2WithRSAEncryption,\
197 EVP_rsa_pkcs1(),EVP_md2())
198 #define EVP_rsa_md5() \
199 EVP_PKEY_MD_add(NID_md5WithRSAEncryption,\
200 EVP_rsa_pkcs1(),EVP_md5())
201 #define EVP_rsa_sha0() \
202 EVP_PKEY_MD_add(NID_shaWithRSAEncryption,\
203 EVP_rsa_pkcs1(),EVP_sha())
204 #define EVP_rsa_sha1() \
205 EVP_PKEY_MD_add(NID_sha1WithRSAEncryption,\
206 EVP_rsa_pkcs1(),EVP_sha1())
207 #define EVP_rsa_ripemd160() \
208 EVP_PKEY_MD_add(NID_ripemd160WithRSA,\
209 EVP_rsa_pkcs1(),EVP_ripemd160())
210 #define EVP_rsa_mdc2() \
211 EVP_PKEY_MD_add(NID_mdc2WithRSA,\
212 EVP_rsa_octet_string(),EVP_mdc2())
213 #define EVP_dsa_sha() \
214 EVP_PKEY_MD_add(NID_dsaWithSHA,\
215 EVP_dsa(),EVP_mdc2())
216 #define EVP_dsa_sha1() \
217 EVP_PKEY_MD_add(NID_dsaWithSHA1,\
218 EVP_dsa(),EVP_sha1())
219
220 typedef struct evp_pkey_method_st
221 {
222 char *name;
223 int flags;
224 int type; /* RSA, DSA, an SSLeay specific constant */
225 int oid; /* For the pub-key type */
226 int encrypt_oid; /* pub/priv key encryption */
227
228 int (*sign)();
229 int (*verify)();
230 struct {
231 int
232 int (*set)(); /* get and/or set the underlying type */
233 int (*get)();
234 int (*encrypt)();
235 int (*decrypt)();
236 int (*i2d)();
237 int (*d2i)();
238 int (*dup)();
239 } pub,priv;
240 int (*set_asn1_parameters)();
241 int (*get_asn1_parameters)();
242 } EVP_PKEY_METHOD;
243 #endif
244
245 #ifndef EVP_MD
246 typedef struct env_md_st
247 {
248 int type;
249 int pkey_type;
250 int md_size;
251 void (*init)();
252 void (*update)();
253 void (*final)();
254
255 int (*sign)();
256 int (*verify)();
257 int required_pkey_type[5]; /*EVP_PKEY_xxx */
258 int block_size;
259 int ctx_size; /* how big does the ctx need to be */
260 } EVP_MD;
261
262
263
264 #define EVP_PKEY_NULL_method NULL,NULL,{0,0,0,0}
265
266 #ifndef NO_DSA
267 #define EVP_PKEY_DSA_method DSA_sign,DSA_verify, \
268 {EVP_PKEY_DSA,EVP_PKEY_DSA2,EVP_PKEY_DSA3, \
269 EVP_PKEY_DSA4,0}
270 #else
271 #define EVP_PKEY_DSA_method EVP_PKEY_NULL_method
272 #endif
273
274 #ifndef NO_RSA
275 #define EVP_PKEY_RSA_method RSA_sign,RSA_verify, \
276 {EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0}
277 #define EVP_PKEY_RSA_ASN1_OCTET_STRING_method \
278 RSA_sign_ASN1_OCTET_STRING, \
279 RSA_verify_ASN1_OCTET_STRING, \
280 {EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0}
281 #else
282 #define EVP_PKEY_RSA_method EVP_PKEY_NULL_method
283 #define EVP_PKEY_RSA_ASN1_OCTET_STRING_method EVP_PKEY_NULL_method
284 #endif
285
286 #endif /* !EVP_MD */
287
288 typedef struct env_md_ctx_st
289 {
290 const EVP_MD *digest;
291 union {
292 unsigned char base[4];
293 #ifndef NO_MD2
294 MD2_CTX md2;
295 #endif
296 #ifndef NO_MD5
297 MD5_CTX md5;
298 #endif
299 #ifndef NO_RIPEMD
300 RIPEMD160_CTX ripemd160;
301 #endif
302 #ifndef NO_SHA
303 SHA_CTX sha;
304 #endif
305 #ifndef NO_MDC2
306 MDC2_CTX mdc2;
307 #endif
308 } md;
309 } EVP_MD_CTX;
310
311 typedef struct evp_cipher_st
312 {
313 int nid;
314 int block_size;
315 int key_len;
316 int iv_len;
317 void (*init)(); /* init for encryption */
318 void (*do_cipher)(); /* encrypt data */
319 void (*cleanup)(); /* used by cipher method */
320 int ctx_size; /* how big the ctx needs to be */
321 /* int set_asn1_parameters(EVP_CIPHER_CTX,ASN1_TYPE *); */
322 int (*set_asn1_parameters)(); /* Populate a ASN1_TYPE with parameters */
323 /* int get_asn1_parameters(EVP_CIPHER_CTX,ASN1_TYPE *); */
324 int (*get_asn1_parameters)(); /* Get parameters from a ASN1_TYPE */
325 } EVP_CIPHER;
326
327 typedef struct evp_cipher_info_st
328 {
329 const EVP_CIPHER *cipher;
330 unsigned char iv[EVP_MAX_IV_LENGTH];
331 } EVP_CIPHER_INFO;
332
333 typedef struct evp_cipher_ctx_st
334 {
335 const EVP_CIPHER *cipher;
336 int encrypt; /* encrypt or decrypt */
337 int buf_len; /* number we have left */
338
339 unsigned char oiv[EVP_MAX_IV_LENGTH]; /* original iv */
340 unsigned char iv[EVP_MAX_IV_LENGTH]; /* working iv */
341 unsigned char buf[EVP_MAX_IV_LENGTH]; /* saved partial block */
342 int num; /* used by cfb/ofb mode */
343
344 char *app_data; /* aplication stuff */
345 union {
346 #ifndef NO_RC4
347 struct
348 {
349 unsigned char key[EVP_RC4_KEY_SIZE];
350 RC4_KEY ks; /* working key */
351 } rc4;
352 #endif
353 #ifndef NO_DES
354 des_key_schedule des_ks;/* key schedule */
355 struct
356 {
357 des_key_schedule ks;/* key schedule */
358 des_cblock inw;
359 des_cblock outw;
360 } desx_cbc;
361 struct
362 {
363 des_key_schedule ks1;/* key schedule */
364 des_key_schedule ks2;/* key schedule (for ede) */
365 des_key_schedule ks3;/* key schedule (for ede3) */
366 } des_ede;
367 #endif
368 #ifndef NO_IDEA
369 IDEA_KEY_SCHEDULE idea_ks;/* key schedule */
370 #endif
371 #ifndef NO_RC2
372 RC2_KEY rc2_ks;/* key schedule */
373 #endif
374 #ifndef NO_RC5
375 RC5_32_KEY rc5_ks;/* key schedule */
376 #endif
377 #ifndef NO_BF
378 BF_KEY bf_ks;/* key schedule */
379 #endif
380 #ifndef NO_CAST
381 CAST_KEY cast_ks;/* key schedule */
382 #endif
383 } c;
384 } EVP_CIPHER_CTX;
385
386 typedef struct evp_Encode_Ctx_st
387 {
388 int num; /* number saved in a partial encode/decode */
389 int length; /* The length is either the output line length
390 * (in input bytes) or the shortest input line
391 * length that is ok. Once decoding begins,
392 * the length is adjusted up each time a longer
393 * line is decoded */
394 unsigned char enc_data[80]; /* data to encode */
395 int line_num; /* number read on current line */
396 int expect_nl;
397 } EVP_ENCODE_CTX;
398
399 /* Password based encryption function */
400 typedef int (EVP_PBE_KEYGEN)(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
401 ASN1_TYPE *param, EVP_CIPHER *cipher,
402 EVP_MD *md, int en_de);
403
404 #define EVP_PKEY_assign_RSA(pkey,rsa) EVP_PKEY_assign((pkey),EVP_PKEY_RSA,\
405 (char *)(rsa))
406 #define EVP_PKEY_assign_DSA(pkey,dsa) EVP_PKEY_assign((pkey),EVP_PKEY_DSA,\
407 (char *)(dsa))
408 #define EVP_PKEY_assign_DH(pkey,dh) EVP_PKEY_assign((pkey),EVP_PKEY_DH,\
409 (char *)(dh))
410
411 /* Add some extra combinations */
412 #define EVP_get_digestbynid(a) EVP_get_digestbyname(OBJ_nid2sn(a))
413 #define EVP_get_digestbyobj(a) EVP_get_digestbynid(OBJ_obj2nid(a))
414 #define EVP_get_cipherbynid(a) EVP_get_cipherbyname(OBJ_nid2sn(a))
415 #define EVP_get_cipherbyobj(a) EVP_get_cipherbynid(OBJ_obj2nid(a))
416
417 #define EVP_MD_type(e) ((e)->type)
418 #define EVP_MD_pkey_type(e) ((e)->pkey_type)
419 #define EVP_MD_size(e) ((e)->md_size)
420 #define EVP_MD_block_size(e) ((e)->block_size)
421
422 #define EVP_MD_CTX_size(e) EVP_MD_size((e)->digest)
423 #define EVP_MD_CTX_block_size(e) EVP_MD_block_size((e)->digest)
424 #define EVP_MD_CTX_type(e) ((e)->digest)
425
426 #define EVP_CIPHER_nid(e) ((e)->nid)
427 #define EVP_CIPHER_block_size(e) ((e)->block_size)
428 #define EVP_CIPHER_key_length(e) ((e)->key_len)
429 #define EVP_CIPHER_iv_length(e) ((e)->iv_len)
430
431 #define EVP_CIPHER_CTX_cipher(e) ((e)->cipher)
432 #define EVP_CIPHER_CTX_nid(e) ((e)->cipher->nid)
433 #define EVP_CIPHER_CTX_block_size(e) ((e)->cipher->block_size)
434 #define EVP_CIPHER_CTX_key_length(e) ((e)->cipher->key_len)
435 #define EVP_CIPHER_CTX_iv_length(e) ((e)->cipher->iv_len)
436 #define EVP_CIPHER_CTX_get_app_data(e) ((e)->app_data)
437 #define EVP_CIPHER_CTX_set_app_data(e,d) ((e)->app_data=(char *)(d))
438 #define EVP_CIPHER_CTX_type(c) EVP_CIPHER_type(EVP_CIPHER_CTX_cipher(c))
439
440 #define EVP_ENCODE_LENGTH(l) (((l+2)/3*4)+(l/48+1)*2+80)
441 #define EVP_DECODE_LENGTH(l) ((l+3)/4*3+80)
442
443 #define EVP_SignInit(a,b) EVP_DigestInit(a,b)
444 #define EVP_SignUpdate(a,b,c) EVP_DigestUpdate(a,b,c)
445 #define EVP_VerifyInit(a,b) EVP_DigestInit(a,b)
446 #define EVP_VerifyUpdate(a,b,c) EVP_DigestUpdate(a,b,c)
447 #define EVP_OpenUpdate(a,b,c,d,e) EVP_DecryptUpdate(a,b,c,d,e)
448 #define EVP_SealUpdate(a,b,c,d,e) EVP_EncryptUpdate(a,b,c,d,e)
449
450 #ifdef CONST_STRICT
451 void BIO_set_md(BIO *,const EVP_MD *md);
452 #else
453 # define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,0,(char *)md)
454 #endif
455 #define BIO_get_md(b,mdp) BIO_ctrl(b,BIO_C_GET_MD,0,(char *)mdp)
456 #define BIO_get_md_ctx(b,mdcp) BIO_ctrl(b,BIO_C_GET_MD_CTX,0,(char *)mdcp)
457 #define BIO_get_cipher_status(b) BIO_ctrl(b,BIO_C_GET_CIPHER_STATUS,0,NULL)
458 #define BIO_get_cipher_ctx(b,c_pp) BIO_ctrl(b,BIO_C_GET_CIPHER_CTX,0,(char *)c_pp)
459
460 #define EVP_Cipher(c,o,i,l) (c)->cipher->do_cipher((c),(o),(i),(l))
461
462 #define EVP_add_cipher_alias(n,alias) \
463 OBJ_NAME_add((alias),OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS,(n))
464 #define EVP_add_digest_alias(n,alias) \
465 OBJ_NAME_add((alias),OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,(n))
466 #define EVP_delete_cipher_alias(alias) \
467 OBJ_NAME_remove(alias,OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS);
468 #define EVP_delete_digest_alias(alias) \
469 OBJ_NAME_remove(alias,OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS);
470
471
472 int EVP_MD_CTX_copy(EVP_MD_CTX *out,EVP_MD_CTX *in);
473 void EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type);
474 void EVP_DigestUpdate(EVP_MD_CTX *ctx,const void *d,
475 unsigned int cnt);
476 void EVP_DigestFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s);
477
478 int EVP_read_pw_string(char *buf,int length,const char *prompt,int verify);
479 void EVP_set_pw_prompt(char *prompt);
480 char * EVP_get_pw_prompt(void);
481
482 int EVP_BytesToKey(const EVP_CIPHER *type,EVP_MD *md,unsigned char *salt,
483 unsigned char *data, int datal, int count,
484 unsigned char *key,unsigned char *iv);
485
486 void EVP_EncryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
487 unsigned char *key, unsigned char *iv);
488 void EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
489 int *outl, unsigned char *in, int inl);
490 void EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
491
492 void EVP_DecryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
493 unsigned char *key, unsigned char *iv);
494 void EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
495 int *outl, unsigned char *in, int inl);
496 int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
497
498 void EVP_CipherInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
499 unsigned char *key,unsigned char *iv,int enc);
500 void EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
501 int *outl, unsigned char *in, int inl);
502 int EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
503
504 int EVP_SignFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s,
505 EVP_PKEY *pkey);
506
507 int EVP_VerifyFinal(EVP_MD_CTX *ctx,unsigned char *sigbuf,
508 unsigned int siglen,EVP_PKEY *pkey);
509
510 int EVP_OpenInit(EVP_CIPHER_CTX *ctx,EVP_CIPHER *type,unsigned char *ek,
511 int ekl,unsigned char *iv,EVP_PKEY *priv);
512 int EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
513
514 int EVP_SealInit(EVP_CIPHER_CTX *ctx, EVP_CIPHER *type, unsigned char **ek,
515 int *ekl, unsigned char *iv,EVP_PKEY **pubk, int npubk);
516 void EVP_SealFinal(EVP_CIPHER_CTX *ctx,unsigned char *out,int *outl);
517
518 void EVP_EncodeInit(EVP_ENCODE_CTX *ctx);
519 void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,
520 int *outl,unsigned char *in,int inl);
521 void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl);
522 int EVP_EncodeBlock(unsigned char *t, unsigned char *f, int n);
523
524 void EVP_DecodeInit(EVP_ENCODE_CTX *ctx);
525 int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl,
526 unsigned char *in, int inl);
527 int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned
528 char *out, int *outl);
529 int EVP_DecodeBlock(unsigned char *t, unsigned
530 char *f, int n);
531
532 void ERR_load_EVP_strings(void );
533
534 void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *a);
535 void EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *a);
536
537 #ifdef HEADER_BIO_H
538 BIO_METHOD *BIO_f_md(void);
539 BIO_METHOD *BIO_f_base64(void);
540 BIO_METHOD *BIO_f_cipher(void);
541 BIO_METHOD *BIO_f_reliable(void);
542 void BIO_set_cipher(BIO *b,const EVP_CIPHER *c,unsigned char *k,
543 unsigned char *i, int enc);
544 #endif
545
546 EVP_MD *EVP_md_null(void);
547 EVP_MD *EVP_md2(void);
548 EVP_MD *EVP_md5(void);
549 EVP_MD *EVP_sha(void);
550 EVP_MD *EVP_sha1(void);
551 EVP_MD *EVP_dss(void);
552 EVP_MD *EVP_dss1(void);
553 EVP_MD *EVP_mdc2(void);
554 EVP_MD *EVP_ripemd160(void);
555
556 EVP_CIPHER *EVP_enc_null(void); /* does nothing :-) */
557 EVP_CIPHER *EVP_des_ecb(void);
558 EVP_CIPHER *EVP_des_ede(void);
559 EVP_CIPHER *EVP_des_ede3(void);
560 EVP_CIPHER *EVP_des_cfb(void);
561 EVP_CIPHER *EVP_des_ede_cfb(void);
562 EVP_CIPHER *EVP_des_ede3_cfb(void);
563 EVP_CIPHER *EVP_des_ofb(void);
564 EVP_CIPHER *EVP_des_ede_ofb(void);
565 EVP_CIPHER *EVP_des_ede3_ofb(void);
566 EVP_CIPHER *EVP_des_cbc(void);
567 EVP_CIPHER *EVP_des_ede_cbc(void);
568 EVP_CIPHER *EVP_des_ede3_cbc(void);
569 EVP_CIPHER *EVP_desx_cbc(void);
570 EVP_CIPHER *EVP_rc4(void);
571 EVP_CIPHER *EVP_rc4_40(void);
572 EVP_CIPHER *EVP_idea_ecb(void);
573 EVP_CIPHER *EVP_idea_cfb(void);
574 EVP_CIPHER *EVP_idea_ofb(void);
575 EVP_CIPHER *EVP_idea_cbc(void);
576 EVP_CIPHER *EVP_rc2_ecb(void);
577 EVP_CIPHER *EVP_rc2_cbc(void);
578 EVP_CIPHER *EVP_rc2_40_cbc(void);
579 EVP_CIPHER *EVP_rc2_64_cbc(void);
580 EVP_CIPHER *EVP_rc2_cfb(void);
581 EVP_CIPHER *EVP_rc2_ofb(void);
582 EVP_CIPHER *EVP_bf_ecb(void);
583 EVP_CIPHER *EVP_bf_cbc(void);
584 EVP_CIPHER *EVP_bf_cfb(void);
585 EVP_CIPHER *EVP_bf_ofb(void);
586 EVP_CIPHER *EVP_cast5_ecb(void);
587 EVP_CIPHER *EVP_cast5_cbc(void);
588 EVP_CIPHER *EVP_cast5_cfb(void);
589 EVP_CIPHER *EVP_cast5_ofb(void);
590 EVP_CIPHER *EVP_rc5_32_12_16_cbc(void);
591 EVP_CIPHER *EVP_rc5_32_12_16_ecb(void);
592 EVP_CIPHER *EVP_rc5_32_12_16_cfb(void);
593 EVP_CIPHER *EVP_rc5_32_12_16_ofb(void);
594
595 void SSLeay_add_all_algorithms(void);
596 void SSLeay_add_all_ciphers(void);
597 void SSLeay_add_all_digests(void);
598
599 int EVP_add_cipher(EVP_CIPHER *cipher);
600 int EVP_add_digest(EVP_MD *digest);
601
602 const EVP_CIPHER *EVP_get_cipherbyname(const char *name);
603 const EVP_MD *EVP_get_digestbyname(const char *name);
604 void EVP_cleanup(void);
605
606 int EVP_PKEY_decrypt(unsigned char *dec_key,unsigned char *enc_key,
607 int enc_key_len,EVP_PKEY *private_key);
608 int EVP_PKEY_encrypt(unsigned char *enc_key,
609 unsigned char *key,int key_len,EVP_PKEY *pub_key);
610 int EVP_PKEY_type(int type);
611 int EVP_PKEY_bits(EVP_PKEY *pkey);
612 int EVP_PKEY_size(EVP_PKEY *pkey);
613 int EVP_PKEY_assign(EVP_PKEY *pkey,int type,char *key);
614 EVP_PKEY * EVP_PKEY_new(void);
615 void EVP_PKEY_free(EVP_PKEY *pkey);
616 EVP_PKEY * d2i_PublicKey(int type,EVP_PKEY **a, unsigned char **pp,
617 long length);
618 int i2d_PublicKey(EVP_PKEY *a, unsigned char **pp);
619
620 EVP_PKEY * d2i_PrivateKey(int type,EVP_PKEY **a, unsigned char **pp,
621 long length);
622 int i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp);
623
624 int EVP_PKEY_copy_parameters(EVP_PKEY *to,EVP_PKEY *from);
625 int EVP_PKEY_missing_parameters(EVP_PKEY *pkey);
626 int EVP_PKEY_save_parameters(EVP_PKEY *pkey,int mode);
627 int EVP_PKEY_cmp_parameters(EVP_PKEY *a,EVP_PKEY *b);
628
629 int EVP_CIPHER_type(const EVP_CIPHER *ctx);
630
631 /* calls methods */
632 int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
633 int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
634
635 /* These are used by EVP_CIPHER methods */
636 int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type);
637 int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type);
638
639 /* PKCS5 password based encryption */
640 int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
641 ASN1_TYPE *param, EVP_CIPHER *cipher, EVP_MD *md,
642 int en_de);
643 int PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen,
644 unsigned char *salt, int saltlen, int iter,
645 int keylen, unsigned char *out);
646 int PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
647 ASN1_TYPE *param, EVP_CIPHER *cipher, EVP_MD *md,
648 int en_de);
649
650 void PKCS5_PBE_add(void);
651
652 int EVP_PBE_CipherInit (ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
653 ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de);
654 int EVP_PBE_alg_add(int nid, EVP_CIPHER *cipher, EVP_MD *md,
655 EVP_PBE_KEYGEN *keygen);
656 void EVP_PBE_cleanup(void);
657
658 /* BEGIN ERROR CODES */
659 /* The following lines are auto generated by the script mkerr.pl. Any changes
660 * made after this point may be overwritten when the script is next run.
661 */
662
663 /* Error codes for the EVP functions. */
664
665 /* Function codes. */
666 #define EVP_F_D2I_PKEY 100
667 #define EVP_F_EVP_DECRYPTFINAL 101
668 #define EVP_F_EVP_MD_CTX_COPY 110
669 #define EVP_F_EVP_OPENINIT 102
670 #define EVP_F_EVP_PBE_ALG_ADD 115
671 #define EVP_F_EVP_PBE_CIPHERINIT 116
672 #define EVP_F_EVP_PKCS82PKEY 111
673 #define EVP_F_EVP_PKCS8_SET_BROKEN 112
674 #define EVP_F_EVP_PKEY2PKCS8 113
675 #define EVP_F_EVP_PKEY_COPY_PARAMETERS 103
676 #define EVP_F_EVP_PKEY_DECRYPT 104
677 #define EVP_F_EVP_PKEY_ENCRYPT 105
678 #define EVP_F_EVP_PKEY_NEW 106
679 #define EVP_F_EVP_SIGNFINAL 107
680 #define EVP_F_EVP_VERIFYFINAL 108
681 #define EVP_F_PKCS5_PBE_KEYIVGEN 117
682 #define EVP_F_PKCS5_V2_PBE_KEYIVGEN 118
683 #define EVP_F_RC2_MAGIC_TO_METH 109
684
685 /* Reason codes. */
686 #define EVP_R_BAD_DECRYPT 100
687 #define EVP_R_BN_DECODE_ERROR 112
688 #define EVP_R_BN_PUBKEY_ERROR 113
689 #define EVP_R_CIPHER_PARAMETER_ERROR 122
690 #define EVP_R_DECODE_ERROR 114
691 #define EVP_R_DIFFERENT_KEY_TYPES 101
692 #define EVP_R_ENCODE_ERROR 115
693 #define EVP_R_EVP_PBE_CIPHERINIT_ERROR 119
694 #define EVP_R_INPUT_NOT_INITIALIZED 111
695 #define EVP_R_IV_TOO_LARGE 102
696 #define EVP_R_KEYGEN_FAILURE 120
697 #define EVP_R_MISSING_PARMATERS 103
698 #define EVP_R_NO_DSA_PARAMETERS 116
699 #define EVP_R_NO_SIGN_FUNCTION_CONFIGURED 104
700 #define EVP_R_NO_VERIFY_FUNCTION_CONFIGURED 105
701 #define EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE 117
702 #define EVP_R_PUBLIC_KEY_NOT_RSA 106
703 #define EVP_R_UNKNOWN_PBE_ALGORITHM 121
704 #define EVP_R_UNSUPPORTED_CIPHER 107
705 #define EVP_R_UNSUPPORTED_KEYLENGTH 123
706 #define EVP_R_UNSUPPORTED_KEY_DERIVATION_FUNCTION 124
707 #define EVP_R_UNSUPPORTED_KEY_SIZE 108
708 #define EVP_R_UNSUPPORTED_PRF 125
709 #define EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM 118
710 #define EVP_R_UNSUPPORTED_SALT_TYPE 126
711 #define EVP_R_WRONG_FINAL_BLOCK_LENGTH 109
712 #define EVP_R_WRONG_PUBLIC_KEY_TYPE 110
713
714 #ifdef __cplusplus
715 }
716 #endif
717 #endif
718
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