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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 #ifndef NO_RSA
113 #include <openssl/rsa.h>
114 #endif
115
116 #ifndef NO_DSA
117 #include <openssl/dsa.h>
118 #endif
119
120 #ifndef NO_DH
121 #include <openssl/dh.h>
122 #endif
123
124 #include <openssl/objects.h>
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
140 #define EVP_PKEY_DSA1 NID_dsa_2
141 #define EVP_PKEY_DSA2 NID_dsaWithSHA
142 #define EVP_PKEY_DSA3 NID_dsaWithSHA1
143 #define EVP_PKEY_DSA4 NID_dsaWithSHA1_2
144 #define EVP_PKEY_DH NID_dhKeyAgreement
145
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.... */
149 typedef struct evp_pkey_st
150 {
151 int type;
152 int save_type;
153 int references;
154 union {
155 char *ptr;
156 #ifndef NO_RSA
157 struct rsa_st *rsa; /* RSA */
158 #endif
159 #ifndef NO_DSA
160 struct dsa_st *dsa; /* DSA */
161 #endif
162 #ifndef NO_DH
163 struct dh_st *dh; /* DH */
164 #endif
165 } pkey;
166 int save_parameters;
167 STACK /*X509_ATTRIBUTE*/ *attributes; /* [ 0 ] */
168 } EVP_PKEY;
169
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.
182 * When a PKEY is created, it will have a EVP_PKEY_METHOD associated with it.
183 * This can either be software or a token to provide the required low level
184 * routines.
185 */
186 typedef struct evp_pkey_md_st
187 {
188 int oid;
189 EVP_MD *md;
190 EVP_PKEY_METHOD *pkey;
191 } EVP_PKEY_MD;
192
193 #define EVP_rsa_md2() \
194 EVP_PKEY_MD_add(NID_md2WithRSAEncryption,\
195 EVP_rsa_pkcs1(),EVP_md2())
196 #define EVP_rsa_md5() \
197 EVP_PKEY_MD_add(NID_md5WithRSAEncryption,\
198 EVP_rsa_pkcs1(),EVP_md5())
199 #define EVP_rsa_sha0() \
200 EVP_PKEY_MD_add(NID_shaWithRSAEncryption,\
201 EVP_rsa_pkcs1(),EVP_sha())
202 #define EVP_rsa_sha1() \
203 EVP_PKEY_MD_add(NID_sha1WithRSAEncryption,\
204 EVP_rsa_pkcs1(),EVP_sha1())
205 #define EVP_rsa_ripemd160() \
206 EVP_PKEY_MD_add(NID_ripemd160WithRSA,\
207 EVP_rsa_pkcs1(),EVP_ripemd160())
208 #define EVP_rsa_mdc2() \
209 EVP_PKEY_MD_add(NID_mdc2WithRSA,\
210 EVP_rsa_octet_string(),EVP_mdc2())
211 #define EVP_dsa_sha() \
212 EVP_PKEY_MD_add(NID_dsaWithSHA,\
213 EVP_dsa(),EVP_mdc2())
214 #define EVP_dsa_sha1() \
215 EVP_PKEY_MD_add(NID_dsaWithSHA1,\
216 EVP_dsa(),EVP_sha1())
217
218 typedef 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
243 #ifndef EVP_MD
244 typedef 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)();
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 */
258 } EVP_MD;
259
260
261
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, \
266 {EVP_PKEY_DSA,EVP_PKEY_DSA2,EVP_PKEY_DSA3, \
267 EVP_PKEY_DSA4,0}
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
286 typedef struct env_md_ctx_st
287 {
288 const EVP_MD *digest;
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
297 #ifndef NO_RIPEMD
298 RIPEMD160_CTX ripemd160;
299 #endif
300 #ifndef NO_SHA
301 SHA_CTX sha;
302 #endif
303 #ifndef NO_MDC2
304 MDC2_CTX mdc2;
305 #endif
306 } md;
307 } EVP_MD_CTX;
308
309 typedef 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 */
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 */
323 } EVP_CIPHER;
324
325 typedef struct evp_cipher_info_st
326 {
327 const EVP_CIPHER *cipher;
328 unsigned char iv[EVP_MAX_IV_LENGTH];
329 } EVP_CIPHER_INFO;
330
331 typedef struct evp_cipher_ctx_st
332 {
333 const EVP_CIPHER *cipher;
334 int encrypt; /* encrypt or decrypt */
335 int buf_len; /* number we have left */
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
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
352 des_key_schedule des_ks;/* key schedule */
353 struct
354 {
355 des_key_schedule ks;/* key schedule */
356 C_Block inw;
357 C_Block outw;
358 } desx_cbc;
359 struct
360 {
361 des_key_schedule ks1;/* key schedule */
362 des_key_schedule ks2;/* key schedule (for ede) */
363 des_key_schedule ks3;/* key schedule (for ede3) */
364 } des_ede;
365 #endif
366 #ifndef NO_IDEA
367 IDEA_KEY_SCHEDULE idea_ks;/* key schedule */
368 #endif
369 #ifndef NO_RC2
370 RC2_KEY rc2_ks;/* key schedule */
371 #endif
372 #ifndef NO_RC5
373 RC5_32_KEY rc5_ks;/* key schedule */
374 #endif
375 #ifndef NO_BF
376 BF_KEY bf_ks;/* key schedule */
377 #endif
378 #ifndef NO_CAST
379 CAST_KEY cast_ks;/* key schedule */
380 #endif
381 } c;
382 } EVP_CIPHER_CTX;
383
384 typedef 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 */
394 int expect_nl;
395 } EVP_ENCODE_CTX;
396
397 /* Password based encryption function */
398 typedef int (EVP_PBE_KEYGEN)(const char *pass, int passlen,
399 unsigned char *salt, int saltlen, int iter, EVP_CIPHER *cipher,
400 EVP_MD *md, unsigned char *key, unsigned char *iv);
401
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)
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)
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))
436
437 #define EVP_ENCODE_LENGTH(l) (((l+2)/3*4)+(l/48+1)*2+80)
438 #define EVP_DECODE_LENGTH(l) ((l+3)/4*3+80)
439
440 #define EVP_SignInit(a,b) EVP_DigestInit(a,b)
441 #define EVP_SignUpdate(a,b,c) EVP_DigestUpdate(a,b,c)
442 #define EVP_VerifyInit(a,b) EVP_DigestInit(a,b)
443 #define EVP_VerifyUpdate(a,b,c) EVP_DigestUpdate(a,b,c)
444 #define EVP_OpenUpdate(a,b,c,d,e) EVP_DecryptUpdate(a,b,c,d,e)
445 #define EVP_SealUpdate(a,b,c,d,e) EVP_EncryptUpdate(a,b,c,d,e)
446
447 #ifdef CONST_STRICT
448 void BIO_set_md(BIO *,const EVP_MD *md);
449 #else
450 # define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,0,(char *)md)
451 #endif
452 #define BIO_get_md(b,mdp) BIO_ctrl(b,BIO_C_GET_MD,0,(char *)mdp)
453 #define BIO_get_md_ctx(b,mdcp) BIO_ctrl(b,BIO_C_GET_MD_CTX,0,(char *)mdcp)
454 #define BIO_get_cipher_status(b) BIO_ctrl(b,BIO_C_GET_CIPHER_STATUS,0,NULL)
455 #define BIO_get_cipher_ctx(b,c_pp) BIO_ctrl(b,BIO_C_GET_CIPHER_CTX,0,(char *)c_pp)
456
457 #define EVP_Cipher(c,o,i,l) (c)->cipher->do_cipher((c),(o),(i),(l))
458
459 #define EVP_add_cipher_alias(n,alias) \
460 OBJ_NAME_add((alias),OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS,(n))
461 #define EVP_add_digest_alias(n,alias) \
462 OBJ_NAME_add((alias),OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,(n))
463 #define EVP_delete_cipher_alias(alias) \
464 OBJ_NAME_remove(alias,OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS);
465 #define EVP_delete_digest_alias(alias) \
466 OBJ_NAME_remove(alias,OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS);
467
468
469 int EVP_MD_CTX_copy(EVP_MD_CTX *out,EVP_MD_CTX *in);
470 void EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type);
471 void EVP_DigestUpdate(EVP_MD_CTX *ctx,const unsigned char *d,
472 unsigned int cnt);
473 void EVP_DigestFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s);
474
475 int EVP_read_pw_string(char *buf,int length,const char *prompt,int verify);
476 void EVP_set_pw_prompt(char *prompt);
477 char * EVP_get_pw_prompt(void);
478
479 int EVP_BytesToKey(const EVP_CIPHER *type,EVP_MD *md,unsigned char *salt,
480 unsigned char *data, int datal, int count,
481 unsigned char *key,unsigned char *iv);
482
483 void EVP_EncryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
484 unsigned char *key, unsigned char *iv);
485 void EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
486 int *outl, unsigned char *in, int inl);
487 void EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
488
489 void EVP_DecryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
490 unsigned char *key, unsigned char *iv);
491 void EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
492 int *outl, unsigned char *in, int inl);
493 int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
494
495 void EVP_CipherInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
496 unsigned char *key,unsigned char *iv,int enc);
497 void EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
498 int *outl, unsigned char *in, int inl);
499 int EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
500
501 int EVP_SignFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s,
502 EVP_PKEY *pkey);
503
504 int EVP_VerifyFinal(EVP_MD_CTX *ctx,unsigned char *sigbuf,
505 unsigned int siglen,EVP_PKEY *pkey);
506
507 int EVP_OpenInit(EVP_CIPHER_CTX *ctx,EVP_CIPHER *type,unsigned char *ek,
508 int ekl,unsigned char *iv,EVP_PKEY *priv);
509 int EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
510
511 int EVP_SealInit(EVP_CIPHER_CTX *ctx, EVP_CIPHER *type, unsigned char **ek,
512 int *ekl, unsigned char *iv,EVP_PKEY **pubk, int npubk);
513 void EVP_SealFinal(EVP_CIPHER_CTX *ctx,unsigned char *out,int *outl);
514
515 void EVP_EncodeInit(EVP_ENCODE_CTX *ctx);
516 void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,
517 int *outl,unsigned char *in,int inl);
518 void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl);
519 int EVP_EncodeBlock(unsigned char *t, unsigned char *f, int n);
520
521 void EVP_DecodeInit(EVP_ENCODE_CTX *ctx);
522 int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl,
523 unsigned char *in, int inl);
524 int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned
525 char *out, int *outl);
526 int EVP_DecodeBlock(unsigned char *t, unsigned
527 char *f, int n);
528
529 void ERR_load_EVP_strings(void );
530
531 void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *a);
532 void EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *a);
533
534 #ifdef HEADER_BIO_H
535 BIO_METHOD *BIO_f_md(void);
536 BIO_METHOD *BIO_f_base64(void);
537 BIO_METHOD *BIO_f_cipher(void);
538 BIO_METHOD *BIO_f_reliable(void);
539 void BIO_set_cipher(BIO *b,const EVP_CIPHER *c,unsigned char *k,
540 unsigned char *i, int enc);
541 #endif
542
543 EVP_MD *EVP_md_null(void);
544 EVP_MD *EVP_md2(void);
545 EVP_MD *EVP_md5(void);
546 EVP_MD *EVP_sha(void);
547 EVP_MD *EVP_sha1(void);
548 EVP_MD *EVP_dss(void);
549 EVP_MD *EVP_dss1(void);
550 EVP_MD *EVP_mdc2(void);
551 EVP_MD *EVP_ripemd160(void);
552
553 EVP_CIPHER *EVP_enc_null(void); /* does nothing :-) */
554 EVP_CIPHER *EVP_des_ecb(void);
555 EVP_CIPHER *EVP_des_ede(void);
556 EVP_CIPHER *EVP_des_ede3(void);
557 EVP_CIPHER *EVP_des_cfb(void);
558 EVP_CIPHER *EVP_des_ede_cfb(void);
559 EVP_CIPHER *EVP_des_ede3_cfb(void);
560 EVP_CIPHER *EVP_des_ofb(void);
561 EVP_CIPHER *EVP_des_ede_ofb(void);
562 EVP_CIPHER *EVP_des_ede3_ofb(void);
563 EVP_CIPHER *EVP_des_cbc(void);
564 EVP_CIPHER *EVP_des_ede_cbc(void);
565 EVP_CIPHER *EVP_des_ede3_cbc(void);
566 EVP_CIPHER *EVP_desx_cbc(void);
567 EVP_CIPHER *EVP_rc4(void);
568 EVP_CIPHER *EVP_rc4_40(void);
569 EVP_CIPHER *EVP_idea_ecb(void);
570 EVP_CIPHER *EVP_idea_cfb(void);
571 EVP_CIPHER *EVP_idea_ofb(void);
572 EVP_CIPHER *EVP_idea_cbc(void);
573 EVP_CIPHER *EVP_rc2_ecb(void);
574 EVP_CIPHER *EVP_rc2_cbc(void);
575 EVP_CIPHER *EVP_rc2_40_cbc(void);
576 EVP_CIPHER *EVP_rc2_64_cbc(void);
577 EVP_CIPHER *EVP_rc2_cfb(void);
578 EVP_CIPHER *EVP_rc2_ofb(void);
579 EVP_CIPHER *EVP_bf_ecb(void);
580 EVP_CIPHER *EVP_bf_cbc(void);
581 EVP_CIPHER *EVP_bf_cfb(void);
582 EVP_CIPHER *EVP_bf_ofb(void);
583 EVP_CIPHER *EVP_cast5_ecb(void);
584 EVP_CIPHER *EVP_cast5_cbc(void);
585 EVP_CIPHER *EVP_cast5_cfb(void);
586 EVP_CIPHER *EVP_cast5_ofb(void);
587 EVP_CIPHER *EVP_rc5_32_12_16_cbc(void);
588 EVP_CIPHER *EVP_rc5_32_12_16_ecb(void);
589 EVP_CIPHER *EVP_rc5_32_12_16_cfb(void);
590 EVP_CIPHER *EVP_rc5_32_12_16_ofb(void);
591
592 void SSLeay_add_all_algorithms(void);
593 void SSLeay_add_all_ciphers(void);
594 void SSLeay_add_all_digests(void);
595
596 int EVP_add_cipher(EVP_CIPHER *cipher);
597 int EVP_add_digest(EVP_MD *digest);
598
599 const EVP_CIPHER *EVP_get_cipherbyname(const char *name);
600 const EVP_MD *EVP_get_digestbyname(const char *name);
601 void EVP_cleanup(void);
602
603 int EVP_PKEY_decrypt(unsigned char *dec_key,unsigned char *enc_key,
604 int enc_key_len,EVP_PKEY *private_key);
605 int EVP_PKEY_encrypt(unsigned char *enc_key,
606 unsigned char *key,int key_len,EVP_PKEY *pub_key);
607 int EVP_PKEY_type(int type);
608 int EVP_PKEY_bits(EVP_PKEY *pkey);
609 int EVP_PKEY_size(EVP_PKEY *pkey);
610 int EVP_PKEY_assign(EVP_PKEY *pkey,int type,char *key);
611 EVP_PKEY * EVP_PKEY_new(void);
612 void EVP_PKEY_free(EVP_PKEY *pkey);
613 EVP_PKEY * d2i_PublicKey(int type,EVP_PKEY **a, unsigned char **pp,
614 long length);
615 int i2d_PublicKey(EVP_PKEY *a, unsigned char **pp);
616
617 EVP_PKEY * d2i_PrivateKey(int type,EVP_PKEY **a, unsigned char **pp,
618 long length);
619 int i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp);
620
621 int EVP_PKEY_copy_parameters(EVP_PKEY *to,EVP_PKEY *from);
622 int EVP_PKEY_missing_parameters(EVP_PKEY *pkey);
623 int EVP_PKEY_save_parameters(EVP_PKEY *pkey,int mode);
624 int EVP_PKEY_cmp_parameters(EVP_PKEY *a,EVP_PKEY *b);
625
626 /* calls methods */
627 int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
628 int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
629
630 /* These are used by EVP_CIPHER methods */
631 int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type);
632 int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type);
633
634 /* BEGIN ERROR CODES */
635 /* The following lines are auto generated by the script mkerr.pl. Any changes
636 * made after this point may be overwritten when the script is next run.
637 */
638
639 /* Error codes for the EVP functions. */
640
641 /* Function codes. */
642 #define EVP_F_D2I_PKEY 100
643 #define EVP_F_EVP_DECRYPTFINAL 101
644 #define EVP_F_EVP_MD_CTX_COPY 110
645 #define EVP_F_EVP_OPENINIT 102
646 #define EVP_F_EVP_PBE_ALGOR_CIPHERINIT 114
647 #define EVP_F_EVP_PBE_ALG_ADD 115
648 #define EVP_F_EVP_PBE_CIPHERINIT 116
649 #define EVP_F_EVP_PKCS82PKEY 111
650 #define EVP_F_EVP_PKCS8_SET_BROKEN 112
651 #define EVP_F_EVP_PKEY2PKCS8 113
652 #define EVP_F_EVP_PKEY_COPY_PARAMETERS 103
653 #define EVP_F_EVP_PKEY_DECRYPT 104
654 #define EVP_F_EVP_PKEY_ENCRYPT 105
655 #define EVP_F_EVP_PKEY_NEW 106
656 #define EVP_F_EVP_SIGNFINAL 107
657 #define EVP_F_EVP_VERIFYFINAL 108
658 #define EVP_F_RC2_MAGIC_TO_METH 109
659
660 /* Reason codes. */
661 #define EVP_R_BAD_DECRYPT 100
662 #define EVP_R_BN_DECODE_ERROR 112
663 #define EVP_R_BN_PUBKEY_ERROR 113
664 #define EVP_R_DECODE_ERROR 114
665 #define EVP_R_DIFFERENT_KEY_TYPES 101
666 #define EVP_R_ENCODE_ERROR 115
667 #define EVP_R_EVP_PBE_CIPHERINIT_ERROR 119
668 #define EVP_R_INPUT_NOT_INITIALIZED 111
669 #define EVP_R_IV_TOO_LARGE 102
670 #define EVP_R_KEYGEN_FAILURE 120
671 #define EVP_R_MISSING_PARMATERS 103
672 #define EVP_R_NO_DSA_PARAMETERS 116
673 #define EVP_R_NO_SIGN_FUNCTION_CONFIGURED 104
674 #define EVP_R_NO_VERIFY_FUNCTION_CONFIGURED 105
675 #define EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE 117
676 #define EVP_R_PUBLIC_KEY_NOT_RSA 106
677 #define EVP_R_UNKNOWN_PBE_ALGORITHM 121
678 #define EVP_R_UNSUPPORTED_CIPHER 107
679 #define EVP_R_UNSUPPORTED_KEY_SIZE 108
680 #define EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM 118
681 #define EVP_R_WRONG_FINAL_BLOCK_LENGTH 109
682 #define EVP_R_WRONG_PUBLIC_KEY_TYPE 110
683
684 #ifdef __cplusplus
685 }
686 #endif
687 #endif
688
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