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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 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
70#ifndef NO_BIO
71#include <openssl/bio.h>
72#endif
73#ifndef NO_MD2
74#include <openssl/md2.h>
75#endif
76#ifndef NO_MD4
77#include <openssl/md4.h>
78#endif
79#ifndef NO_MD5
80#include <openssl/md5.h>
81#endif
82#ifndef NO_SHA
83#include <openssl/sha.h>
84#endif
85#ifndef NO_RIPEMD
86#include <openssl/ripemd.h>
87#endif
88#ifndef NO_DES
89#include <openssl/des.h>
90#endif
91#ifndef NO_RC4
92#include <openssl/rc4.h>
93#endif
94#ifndef NO_RC2
95#include <openssl/rc2.h>
96#endif
97#ifndef NO_RC5
98#include <openssl/rc5.h>
99#endif
100#ifndef NO_BF
101#include <openssl/blowfish.h>
102#endif
103#ifndef NO_CAST
104#include <openssl/cast.h>
105#endif
106#ifndef NO_IDEA
107#include <openssl/idea.h>
108#endif
109#ifndef NO_MDC2
110#include <openssl/mdc2.h>
111#endif
112
113#define EVP_RC2_KEY_SIZE 16
114#define EVP_RC4_KEY_SIZE 16
115#define EVP_BLOWFISH_KEY_SIZE 16
116#define EVP_CAST5_KEY_SIZE 16
117#define EVP_RC5_32_12_16_KEY_SIZE 16
118#define EVP_MAX_MD_SIZE (16+20) /* The SSLv3 md5+sha1 type */
119#define EVP_MAX_KEY_LENGTH 24
120#define EVP_MAX_IV_LENGTH 8
121
122#define PKCS5_SALT_LEN 8
123/* Default PKCS#5 iteration count */
124#define PKCS5_DEFAULT_ITER 2048
125
126#ifndef NO_RSA
127#include <openssl/rsa.h>
128#endif
129
130#ifndef NO_DSA
131#include <openssl/dsa.h>
132#endif
133
134#ifndef NO_DH
135#include <openssl/dh.h>
136#endif
137
138#include <openssl/objects.h>
139
140#define EVP_PK_RSA 0x0001
141#define EVP_PK_DSA 0x0002
142#define EVP_PK_DH 0x0004
143#define EVP_PKT_SIGN 0x0010
144#define EVP_PKT_ENC 0x0020
145#define EVP_PKT_EXCH 0x0040
146#define EVP_PKS_RSA 0x0100
147#define EVP_PKS_DSA 0x0200
148#define EVP_PKT_EXP 0x1000 /* <= 512 bit key */
149
150#define EVP_PKEY_NONE NID_undef
151#define EVP_PKEY_RSA NID_rsaEncryption
152#define EVP_PKEY_RSA2 NID_rsa
153#define EVP_PKEY_DSA NID_dsa
154#define EVP_PKEY_DSA1 NID_dsa_2
155#define EVP_PKEY_DSA2 NID_dsaWithSHA
156#define EVP_PKEY_DSA3 NID_dsaWithSHA1
157#define EVP_PKEY_DSA4 NID_dsaWithSHA1_2
158#define EVP_PKEY_DH NID_dhKeyAgreement
159
160#ifdef __cplusplus
161extern "C" {
162#endif
163
164/* Type needs to be a bit field
165 * Sub-type needs to be for variations on the method, as in, can it do
166 * arbitrary encryption.... */
167typedef struct evp_pkey_st
168 {
169 int type;
170 int save_type;
171 int references;
172 union {
173 char *ptr;
174#ifndef NO_RSA
175 struct rsa_st *rsa; /* RSA */
176#endif
177#ifndef NO_DSA
178 struct dsa_st *dsa; /* DSA */
179#endif
180#ifndef NO_DH
181 struct dh_st *dh; /* DH */
182#endif
183 } pkey;
184 int save_parameters;
185 STACK_OF(X509_ATTRIBUTE) *attributes; /* [ 0 ] */
186 } EVP_PKEY;
187
188#define EVP_PKEY_MO_SIGN 0x0001
189#define EVP_PKEY_MO_VERIFY 0x0002
190#define EVP_PKEY_MO_ENCRYPT 0x0004
191#define EVP_PKEY_MO_DECRYPT 0x0008
192
193#if 0
194/* This structure is required to tie the message digest and signing together.
195 * The lookup can be done by md/pkey_method, oid, oid/pkey_method, or
196 * oid, md and pkey.
197 * This is required because for various smart-card perform the digest and
198 * signing/verification on-board. To handle this case, the specific
199 * EVP_MD and EVP_PKEY_METHODs need to be closely associated.
200 * When a PKEY is created, it will have a EVP_PKEY_METHOD associated with it.
201 * This can either be software or a token to provide the required low level
202 * routines.
203 */
204typedef struct evp_pkey_md_st
205 {
206 int oid;
207 EVP_MD *md;
208 EVP_PKEY_METHOD *pkey;
209 } EVP_PKEY_MD;
210
211#define EVP_rsa_md2() \
212 EVP_PKEY_MD_add(NID_md2WithRSAEncryption,\
213 EVP_rsa_pkcs1(),EVP_md2())
214#define EVP_rsa_md5() \
215 EVP_PKEY_MD_add(NID_md5WithRSAEncryption,\
216 EVP_rsa_pkcs1(),EVP_md5())
217#define EVP_rsa_sha0() \
218 EVP_PKEY_MD_add(NID_shaWithRSAEncryption,\
219 EVP_rsa_pkcs1(),EVP_sha())
220#define EVP_rsa_sha1() \
221 EVP_PKEY_MD_add(NID_sha1WithRSAEncryption,\
222 EVP_rsa_pkcs1(),EVP_sha1())
223#define EVP_rsa_ripemd160() \
224 EVP_PKEY_MD_add(NID_ripemd160WithRSA,\
225 EVP_rsa_pkcs1(),EVP_ripemd160())
226#define EVP_rsa_mdc2() \
227 EVP_PKEY_MD_add(NID_mdc2WithRSA,\
228 EVP_rsa_octet_string(),EVP_mdc2())
229#define EVP_dsa_sha() \
230 EVP_PKEY_MD_add(NID_dsaWithSHA,\
231 EVP_dsa(),EVP_mdc2())
232#define EVP_dsa_sha1() \
233 EVP_PKEY_MD_add(NID_dsaWithSHA1,\
234 EVP_dsa(),EVP_sha1())
235
236typedef struct evp_pkey_method_st
237 {
238 char *name;
239 int flags;
240 int type; /* RSA, DSA, an SSLeay specific constant */
241 int oid; /* For the pub-key type */
242 int encrypt_oid; /* pub/priv key encryption */
243
244 int (*sign)();
245 int (*verify)();
246 struct {
247 int (*set)(); /* get and/or set the underlying type */
248 int (*get)();
249 int (*encrypt)();
250 int (*decrypt)();
251 int (*i2d)();
252 int (*d2i)();
253 int (*dup)();
254 } pub,priv;
255 int (*set_asn1_parameters)();
256 int (*get_asn1_parameters)();
257 } EVP_PKEY_METHOD;
258#endif
259
260#ifndef EVP_MD
261typedef struct env_md_st
262 {
263 int type;
264 int pkey_type;
265 int md_size;
266 void (*init)();
267 void (*update)();
268 void (*final)();
269
270 int (*sign)();
271 int (*verify)();
272 int required_pkey_type[5]; /*EVP_PKEY_xxx */
273 int block_size;
274 int ctx_size; /* how big does the ctx need to be */
275 } EVP_MD;
276
277
278
279#define EVP_PKEY_NULL_method NULL,NULL,{0,0,0,0}
280
281#ifndef NO_DSA
282#define EVP_PKEY_DSA_method DSA_sign,DSA_verify, \
283 {EVP_PKEY_DSA,EVP_PKEY_DSA2,EVP_PKEY_DSA3, \
284 EVP_PKEY_DSA4,0}
285#else
286#define EVP_PKEY_DSA_method EVP_PKEY_NULL_method
287#endif
288
289#ifndef NO_RSA
290#define EVP_PKEY_RSA_method RSA_sign,RSA_verify, \
291 {EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0}
292#define EVP_PKEY_RSA_ASN1_OCTET_STRING_method \
293 RSA_sign_ASN1_OCTET_STRING, \
294 RSA_verify_ASN1_OCTET_STRING, \
295 {EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0}
296#else
297#define EVP_PKEY_RSA_method EVP_PKEY_NULL_method
298#define EVP_PKEY_RSA_ASN1_OCTET_STRING_method EVP_PKEY_NULL_method
299#endif
300
301#endif /* !EVP_MD */
302
303typedef struct env_md_ctx_st
304 {
305 const EVP_MD *digest;
306 union {
307 unsigned char base[4];
308#ifndef NO_MD2
309 MD2_CTX md2;
310#endif
311#ifndef NO_MD5
312 MD5_CTX md5;
313#endif
314#ifndef NO_MD4
315 MD4_CTX md4;
316#endif
317#ifndef NO_RIPEMD
318 RIPEMD160_CTX ripemd160;
319#endif
320#ifndef NO_SHA
321 SHA_CTX sha;
322#endif
323#ifndef NO_MDC2
324 MDC2_CTX mdc2;
325#endif
326 } md;
327 } EVP_MD_CTX;
328
329typedef struct evp_cipher_st EVP_CIPHER;
330typedef struct evp_cipher_ctx_st EVP_CIPHER_CTX;
331
332struct evp_cipher_st
333 {
334 int nid;
335 int block_size;
336 int key_len; /* Default value for variable length ciphers */
337 int iv_len;
338 unsigned long flags; /* Various flags */
339 int (*init)(EVP_CIPHER_CTX *ctx, const unsigned char *key,
340 const unsigned char *iv, int enc); /* init key */
341 int (*do_cipher)(EVP_CIPHER_CTX *ctx, unsigned char *out,
342 const unsigned char *in, unsigned int inl);/* encrypt/decrypt data */
343 int (*cleanup)(EVP_CIPHER_CTX *); /* cleanup ctx */
344 int ctx_size; /* how big the ctx needs to be */
345 int (*set_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Populate a ASN1_TYPE with parameters */
346 int (*get_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Get parameters from a ASN1_TYPE */
347 int (*ctrl)(EVP_CIPHER_CTX *, int type, int arg, void *ptr); /* Miscellaneous operations */
348 void *app_data; /* Application data */
349 };
350
351/* Values for cipher flags */
352
353/* Modes for ciphers */
354
355#define EVP_CIPH_STREAM_CIPHER 0x0
356#define EVP_CIPH_ECB_MODE 0x1
357#define EVP_CIPH_CBC_MODE 0x2
358#define EVP_CIPH_CFB_MODE 0x3
359#define EVP_CIPH_OFB_MODE 0x4
360#define EVP_CIPH_MODE 0x7
361/* Set if variable length cipher */
362#define EVP_CIPH_VARIABLE_LENGTH 0x8
363/* Set if the iv handling should be done by the cipher itself */
364#define EVP_CIPH_CUSTOM_IV 0x10
365/* Set if the cipher's init() function should be called if key is NULL */
366#define EVP_CIPH_ALWAYS_CALL_INIT 0x20
367/* Call ctrl() to init cipher parameters */
368#define EVP_CIPH_CTRL_INIT 0x40
369/* Don't use standard key length function */
370#define EVP_CIPH_CUSTOM_KEY_LENGTH 0x80
371
372/* ctrl() values */
373
374#define EVP_CTRL_INIT 0x0
375#define EVP_CTRL_SET_KEY_LENGTH 0x1
376#define EVP_CTRL_GET_RC2_KEY_BITS 0x2
377#define EVP_CTRL_SET_RC2_KEY_BITS 0x3
378#define EVP_CTRL_GET_RC5_ROUNDS 0x4
379#define EVP_CTRL_SET_RC5_ROUNDS 0x5
380
381typedef struct evp_cipher_info_st
382 {
383 const EVP_CIPHER *cipher;
384 unsigned char iv[EVP_MAX_IV_LENGTH];
385 } EVP_CIPHER_INFO;
386
387struct evp_cipher_ctx_st
388 {
389 const EVP_CIPHER *cipher;
390 int encrypt; /* encrypt or decrypt */
391 int buf_len; /* number we have left */
392
393 unsigned char oiv[EVP_MAX_IV_LENGTH]; /* original iv */
394 unsigned char iv[EVP_MAX_IV_LENGTH]; /* working iv */
395 unsigned char buf[EVP_MAX_IV_LENGTH]; /* saved partial block */
396 int num; /* used by cfb/ofb mode */
397
398 void *app_data; /* application stuff */
399 int key_len; /* May change for variable length cipher */
400 union {
401#ifndef NO_RC4
402 struct
403 {
404 unsigned char key[EVP_RC4_KEY_SIZE];
405 RC4_KEY ks; /* working key */
406 } rc4;
407#endif
408#ifndef NO_DES
409 des_key_schedule des_ks;/* key schedule */
410 struct
411 {
412 des_key_schedule ks;/* key schedule */
413 des_cblock inw;
414 des_cblock outw;
415 } desx_cbc;
416 struct
417 {
418 des_key_schedule ks1;/* key schedule */
419 des_key_schedule ks2;/* key schedule (for ede) */
420 des_key_schedule ks3;/* key schedule (for ede3) */
421 } des_ede;
422#endif
423#ifndef NO_IDEA
424 IDEA_KEY_SCHEDULE idea_ks;/* key schedule */
425#endif
426#ifndef NO_RC2
427 struct {
428 int key_bits; /* effective key bits */
429 RC2_KEY ks;/* key schedule */
430 } rc2;
431#endif
432#ifndef NO_RC5
433 struct {
434 int rounds; /* number of rounds */
435 RC5_32_KEY ks;/* key schedule */
436 } rc5;
437#endif
438#ifndef NO_BF
439 BF_KEY bf_ks;/* key schedule */
440#endif
441#ifndef NO_CAST
442 CAST_KEY cast_ks;/* key schedule */
443#endif
444 } c;
445 };
446
447typedef struct evp_Encode_Ctx_st
448 {
449 int num; /* number saved in a partial encode/decode */
450 int length; /* The length is either the output line length
451 * (in input bytes) or the shortest input line
452 * length that is ok. Once decoding begins,
453 * the length is adjusted up each time a longer
454 * line is decoded */
455 unsigned char enc_data[80]; /* data to encode */
456 int line_num; /* number read on current line */
457 int expect_nl;
458 } EVP_ENCODE_CTX;
459
460/* Password based encryption function */
461typedef int (EVP_PBE_KEYGEN)(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
462 ASN1_TYPE *param, EVP_CIPHER *cipher,
463 EVP_MD *md, int en_de);
464
465#ifndef NO_RSA
466#define EVP_PKEY_assign_RSA(pkey,rsa) EVP_PKEY_assign((pkey),EVP_PKEY_RSA,\
467 (char *)(rsa))
468#endif
469
470#ifndef NO_DSA
471#define EVP_PKEY_assign_DSA(pkey,dsa) EVP_PKEY_assign((pkey),EVP_PKEY_DSA,\
472 (char *)(dsa))
473#endif
474
475#ifndef NO_DH
476#define EVP_PKEY_assign_DH(pkey,dh) EVP_PKEY_assign((pkey),EVP_PKEY_DH,\
477 (char *)(dh))
478#endif
479
480/* Add some extra combinations */
481#define EVP_get_digestbynid(a) EVP_get_digestbyname(OBJ_nid2sn(a))
482#define EVP_get_digestbyobj(a) EVP_get_digestbynid(OBJ_obj2nid(a))
483#define EVP_get_cipherbynid(a) EVP_get_cipherbyname(OBJ_nid2sn(a))
484#define EVP_get_cipherbyobj(a) EVP_get_cipherbynid(OBJ_obj2nid(a))
485
486#define EVP_MD_type(e) ((e)->type)
487#define EVP_MD_pkey_type(e) ((e)->pkey_type)
488#define EVP_MD_size(e) ((e)->md_size)
489#define EVP_MD_block_size(e) ((e)->block_size)
490
491#define EVP_MD_CTX_md(e) ((e)->digest)
492#define EVP_MD_CTX_size(e) EVP_MD_size((e)->digest)
493#define EVP_MD_CTX_block_size(e) EVP_MD_block_size((e)->digest)
494#define EVP_MD_CTX_type(e) EVP_MD_type((e)->digest)
495
496#define EVP_CIPHER_nid(e) ((e)->nid)
497#define EVP_CIPHER_block_size(e) ((e)->block_size)
498#define EVP_CIPHER_key_length(e) ((e)->key_len)
499#define EVP_CIPHER_iv_length(e) ((e)->iv_len)
500#define EVP_CIPHER_flags(e) ((e)->flags)
501#define EVP_CIPHER_mode(e) ((e)->flags) & EVP_CIPH_MODE)
502
503#define EVP_CIPHER_CTX_cipher(e) ((e)->cipher)
504#define EVP_CIPHER_CTX_nid(e) ((e)->cipher->nid)
505#define EVP_CIPHER_CTX_block_size(e) ((e)->cipher->block_size)
506#define EVP_CIPHER_CTX_key_length(e) ((e)->key_len)
507#define EVP_CIPHER_CTX_iv_length(e) ((e)->cipher->iv_len)
508#define EVP_CIPHER_CTX_get_app_data(e) ((e)->app_data)
509#define EVP_CIPHER_CTX_set_app_data(e,d) ((e)->app_data=(char *)(d))
510#define EVP_CIPHER_CTX_type(c) EVP_CIPHER_type(EVP_CIPHER_CTX_cipher(c))
511#define EVP_CIPHER_CTX_flags(e) ((e)->cipher->flags)
512#define EVP_CIPHER_CTX_mode(e) ((e)->cipher->flags & EVP_CIPH_MODE)
513
514#define EVP_ENCODE_LENGTH(l) (((l+2)/3*4)+(l/48+1)*2+80)
515#define EVP_DECODE_LENGTH(l) ((l+3)/4*3+80)
516
517#define EVP_SignInit(a,b) EVP_DigestInit(a,b)
518#define EVP_SignUpdate(a,b,c) EVP_DigestUpdate(a,b,c)
519#define EVP_VerifyInit(a,b) EVP_DigestInit(a,b)
520#define EVP_VerifyUpdate(a,b,c) EVP_DigestUpdate(a,b,c)
521#define EVP_OpenUpdate(a,b,c,d,e) EVP_DecryptUpdate(a,b,c,d,e)
522#define EVP_SealUpdate(a,b,c,d,e) EVP_EncryptUpdate(a,b,c,d,e)
523
524#ifdef CONST_STRICT
525void BIO_set_md(BIO *,const EVP_MD *md);
526#else
527# define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,0,(char *)md)
528#endif
529#define BIO_get_md(b,mdp) BIO_ctrl(b,BIO_C_GET_MD,0,(char *)mdp)
530#define BIO_get_md_ctx(b,mdcp) BIO_ctrl(b,BIO_C_GET_MD_CTX,0,(char *)mdcp)
531#define BIO_get_cipher_status(b) BIO_ctrl(b,BIO_C_GET_CIPHER_STATUS,0,NULL)
532#define BIO_get_cipher_ctx(b,c_pp) BIO_ctrl(b,BIO_C_GET_CIPHER_CTX,0,(char *)c_pp)
533
534#define EVP_Cipher(c,o,i,l) (c)->cipher->do_cipher((c),(o),(i),(l))
535
536#define EVP_add_cipher_alias(n,alias) \
537 OBJ_NAME_add((alias),OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS,(n))
538#define EVP_add_digest_alias(n,alias) \
539 OBJ_NAME_add((alias),OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,(n))
540#define EVP_delete_cipher_alias(alias) \
541 OBJ_NAME_remove(alias,OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS);
542#define EVP_delete_digest_alias(alias) \
543 OBJ_NAME_remove(alias,OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS);
544
545
546int EVP_MD_CTX_copy(EVP_MD_CTX *out,EVP_MD_CTX *in);
547void EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type);
548void EVP_DigestUpdate(EVP_MD_CTX *ctx,const void *d,
549 unsigned int cnt);
550void EVP_DigestFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s);
551
552int EVP_read_pw_string(char *buf,int length,const char *prompt,int verify);
553void EVP_set_pw_prompt(char *prompt);
554char * EVP_get_pw_prompt(void);
555
556int EVP_BytesToKey(const EVP_CIPHER *type, EVP_MD *md,
557 const unsigned char *salt, const unsigned char *data, int datal,
558 int count, unsigned char *key, unsigned char *iv);
559
560int EVP_EncryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
561 unsigned char *key, unsigned char *iv);
562int EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
563 int *outl, unsigned char *in, int inl);
564int EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
565
566int EVP_DecryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
567 unsigned char *key, unsigned char *iv);
568int EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
569 int *outl, unsigned char *in, int inl);
570int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
571
572int EVP_CipherInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
573 unsigned char *key,unsigned char *iv,int enc);
574int EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
575 int *outl, unsigned char *in, int inl);
576int EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
577
578int EVP_SignFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s,
579 EVP_PKEY *pkey);
580
581int EVP_VerifyFinal(EVP_MD_CTX *ctx,unsigned char *sigbuf,
582 unsigned int siglen,EVP_PKEY *pkey);
583
584int EVP_OpenInit(EVP_CIPHER_CTX *ctx,EVP_CIPHER *type,unsigned char *ek,
585 int ekl,unsigned char *iv,EVP_PKEY *priv);
586int EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
587
588int EVP_SealInit(EVP_CIPHER_CTX *ctx, EVP_CIPHER *type, unsigned char **ek,
589 int *ekl, unsigned char *iv,EVP_PKEY **pubk, int npubk);
590void EVP_SealFinal(EVP_CIPHER_CTX *ctx,unsigned char *out,int *outl);
591
592void EVP_EncodeInit(EVP_ENCODE_CTX *ctx);
593void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,
594 int *outl,unsigned char *in,int inl);
595void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl);
596int EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int n);
597
598void EVP_DecodeInit(EVP_ENCODE_CTX *ctx);
599int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl,
600 unsigned char *in, int inl);
601int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned
602 char *out, int *outl);
603int EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n);
604
605void ERR_load_EVP_strings(void );
606
607void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *a);
608int EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *a);
609int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *x, int keylen);
610int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr);
611
612#ifndef NO_BIO
613BIO_METHOD *BIO_f_md(void);
614BIO_METHOD *BIO_f_base64(void);
615BIO_METHOD *BIO_f_cipher(void);
616BIO_METHOD *BIO_f_reliable(void);
617void BIO_set_cipher(BIO *b,const EVP_CIPHER *c,unsigned char *k,
618 unsigned char *i, int enc);
619#endif
620
621EVP_MD *EVP_md_null(void);
622#ifndef NO_MD2
623EVP_MD *EVP_md2(void);
624#endif
625#ifndef NO_MD4
626EVP_MD *EVP_md4(void);
627#endif
628#ifndef NO_MD5
629EVP_MD *EVP_md5(void);
630#endif
631#ifndef NO_SHA
632EVP_MD *EVP_sha(void);
633EVP_MD *EVP_sha1(void);
634EVP_MD *EVP_dss(void);
635EVP_MD *EVP_dss1(void);
636#endif
637#ifndef NO_MDC2
638EVP_MD *EVP_mdc2(void);
639#endif
640#ifndef NO_RIPEMD
641EVP_MD *EVP_ripemd160(void);
642#endif
643EVP_CIPHER *EVP_enc_null(void); /* does nothing :-) */
644#ifndef NO_DES
645EVP_CIPHER *EVP_des_ecb(void);
646EVP_CIPHER *EVP_des_ede(void);
647EVP_CIPHER *EVP_des_ede3(void);
648EVP_CIPHER *EVP_des_cfb(void);
649EVP_CIPHER *EVP_des_ede_cfb(void);
650EVP_CIPHER *EVP_des_ede3_cfb(void);
651EVP_CIPHER *EVP_des_ofb(void);
652EVP_CIPHER *EVP_des_ede_ofb(void);
653EVP_CIPHER *EVP_des_ede3_ofb(void);
654EVP_CIPHER *EVP_des_cbc(void);
655EVP_CIPHER *EVP_des_ede_cbc(void);
656EVP_CIPHER *EVP_des_ede3_cbc(void);
657EVP_CIPHER *EVP_desx_cbc(void);
658#endif
659#ifndef NO_RC4
660EVP_CIPHER *EVP_rc4(void);
661EVP_CIPHER *EVP_rc4_40(void);
662#endif
663#ifndef NO_IDEA
664EVP_CIPHER *EVP_idea_ecb(void);
665EVP_CIPHER *EVP_idea_cfb(void);
666EVP_CIPHER *EVP_idea_ofb(void);
667EVP_CIPHER *EVP_idea_cbc(void);
668#endif
669#ifndef NO_RC2
670EVP_CIPHER *EVP_rc2_ecb(void);
671EVP_CIPHER *EVP_rc2_cbc(void);
672EVP_CIPHER *EVP_rc2_40_cbc(void);
673EVP_CIPHER *EVP_rc2_64_cbc(void);
674EVP_CIPHER *EVP_rc2_cfb(void);
675EVP_CIPHER *EVP_rc2_ofb(void);
676#endif
677#ifndef NO_BF
678EVP_CIPHER *EVP_bf_ecb(void);
679EVP_CIPHER *EVP_bf_cbc(void);
680EVP_CIPHER *EVP_bf_cfb(void);
681EVP_CIPHER *EVP_bf_ofb(void);
682#endif
683#ifndef NO_CAST
684EVP_CIPHER *EVP_cast5_ecb(void);
685EVP_CIPHER *EVP_cast5_cbc(void);
686EVP_CIPHER *EVP_cast5_cfb(void);
687EVP_CIPHER *EVP_cast5_ofb(void);
688#endif
689#ifndef NO_RC5
690EVP_CIPHER *EVP_rc5_32_12_16_cbc(void);
691EVP_CIPHER *EVP_rc5_32_12_16_ecb(void);
692EVP_CIPHER *EVP_rc5_32_12_16_cfb(void);
693EVP_CIPHER *EVP_rc5_32_12_16_ofb(void);
694#endif
695void OpenSSL_add_all_algorithms(void);
696void OpenSSL_add_all_ciphers(void);
697void OpenSSL_add_all_digests(void);
698#define SSLeay_add_all_algorithms() OpenSSL_add_all_algorithms()
699#define SSLeay_add_all_ciphers() OpenSSL_add_all_ciphers()
700#define SSLeay_add_all_digests() OpenSSL_add_all_digests()
701
702int EVP_add_cipher(EVP_CIPHER *cipher);
703int EVP_add_digest(EVP_MD *digest);
704
705const EVP_CIPHER *EVP_get_cipherbyname(const char *name);
706const EVP_MD *EVP_get_digestbyname(const char *name);
707void EVP_cleanup(void);
708
709int EVP_PKEY_decrypt(unsigned char *dec_key,unsigned char *enc_key,
710 int enc_key_len,EVP_PKEY *private_key);
711int EVP_PKEY_encrypt(unsigned char *enc_key,
712 unsigned char *key,int key_len,EVP_PKEY *pub_key);
713int EVP_PKEY_type(int type);
714int EVP_PKEY_bits(EVP_PKEY *pkey);
715int EVP_PKEY_size(EVP_PKEY *pkey);
716int EVP_PKEY_assign(EVP_PKEY *pkey,int type,char *key);
717#ifndef NO_RSA
718int EVP_PKEY_set1_RSA(EVP_PKEY *pkey,RSA *key);
719RSA * EVP_PKEY_get1_RSA(EVP_PKEY *pkey);
720#endif
721#ifndef NO_DSA
722int EVP_PKEY_set1_DSA(EVP_PKEY *pkey,DSA *key);
723DSA * EVP_PKEY_get1_DSA(EVP_PKEY *pkey);
724#endif
725#ifndef NO_DH
726int EVP_PKEY_set1_DH(EVP_PKEY *pkey,DH *key);
727DH * EVP_PKEY_get1_DH(EVP_PKEY *pkey);
728#endif
729EVP_PKEY * EVP_PKEY_new(void);
730void EVP_PKEY_free(EVP_PKEY *pkey);
731EVP_PKEY * d2i_PublicKey(int type,EVP_PKEY **a, unsigned char **pp,
732 long length);
733int i2d_PublicKey(EVP_PKEY *a, unsigned char **pp);
734
735EVP_PKEY * d2i_PrivateKey(int type,EVP_PKEY **a, unsigned char **pp,
736 long length);
737EVP_PKEY * d2i_AutoPrivateKey(EVP_PKEY **a, unsigned char **pp,
738 long length);
739int i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp);
740
741int EVP_PKEY_copy_parameters(EVP_PKEY *to,EVP_PKEY *from);
742int EVP_PKEY_missing_parameters(EVP_PKEY *pkey);
743int EVP_PKEY_save_parameters(EVP_PKEY *pkey,int mode);
744int EVP_PKEY_cmp_parameters(EVP_PKEY *a,EVP_PKEY *b);
745
746int EVP_CIPHER_type(const EVP_CIPHER *ctx);
747
748/* calls methods */
749int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
750int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
751
752/* These are used by EVP_CIPHER methods */
753int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type);
754int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type);
755
756/* PKCS5 password based encryption */
757int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
758 ASN1_TYPE *param, EVP_CIPHER *cipher, EVP_MD *md,
759 int en_de);
760int PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen,
761 unsigned char *salt, int saltlen, int iter,
762 int keylen, unsigned char *out);
763int PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
764 ASN1_TYPE *param, EVP_CIPHER *cipher, EVP_MD *md,
765 int en_de);
766
767void PKCS5_PBE_add(void);
768
769int EVP_PBE_CipherInit (ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
770 ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de);
771int EVP_PBE_alg_add(int nid, EVP_CIPHER *cipher, EVP_MD *md,
772 EVP_PBE_KEYGEN *keygen);
773void EVP_PBE_cleanup(void);
774
775/* BEGIN ERROR CODES */
776/* The following lines are auto generated by the script mkerr.pl. Any changes
777 * made after this point may be overwritten when the script is next run.
778 */
779
780/* Error codes for the EVP functions. */
781
782/* Function codes. */
783#define EVP_F_D2I_PKEY 100
784#define EVP_F_EVP_CIPHERINIT 123
785#define EVP_F_EVP_CIPHER_CTX_CTRL 124
786#define EVP_F_EVP_CIPHER_CTX_SET_KEY_LENGTH 122
787#define EVP_F_EVP_DECRYPTFINAL 101
788#define EVP_F_EVP_MD_CTX_COPY 110
789#define EVP_F_EVP_OPENINIT 102
790#define EVP_F_EVP_PBE_ALG_ADD 115
791#define EVP_F_EVP_PBE_CIPHERINIT 116
792#define EVP_F_EVP_PKCS82PKEY 111
793#define EVP_F_EVP_PKCS8_SET_BROKEN 112
794#define EVP_F_EVP_PKEY2PKCS8 113
795#define EVP_F_EVP_PKEY_COPY_PARAMETERS 103
796#define EVP_F_EVP_PKEY_DECRYPT 104
797#define EVP_F_EVP_PKEY_ENCRYPT 105
798#define EVP_F_EVP_PKEY_GET1_DH 119
799#define EVP_F_EVP_PKEY_GET1_DSA 120
800#define EVP_F_EVP_PKEY_GET1_RSA 121
801#define EVP_F_EVP_PKEY_NEW 106
802#define EVP_F_EVP_SIGNFINAL 107
803#define EVP_F_EVP_VERIFYFINAL 108
804#define EVP_F_PKCS5_PBE_KEYIVGEN 117
805#define EVP_F_PKCS5_V2_PBE_KEYIVGEN 118
806#define EVP_F_RC2_MAGIC_TO_METH 109
807#define EVP_F_RC5_CTRL 125
808
809/* Reason codes. */
810#define EVP_R_BAD_DECRYPT 100
811#define EVP_R_BN_DECODE_ERROR 112
812#define EVP_R_BN_PUBKEY_ERROR 113
813#define EVP_R_CIPHER_PARAMETER_ERROR 122
814#define EVP_R_CTRL_NOT_IMPLEMENTED 132
815#define EVP_R_CTRL_OPERATION_NOT_IMPLEMENTED 133
816#define EVP_R_DECODE_ERROR 114
817#define EVP_R_DIFFERENT_KEY_TYPES 101
818#define EVP_R_ENCODE_ERROR 115
819#define EVP_R_EVP_PBE_CIPHERINIT_ERROR 119
820#define EVP_R_EXPECTING_AN_RSA_KEY 127
821#define EVP_R_EXPECTING_A_DH_KEY 128
822#define EVP_R_EXPECTING_A_DSA_KEY 129
823#define EVP_R_INITIALIZATION_ERROR 134
824#define EVP_R_INPUT_NOT_INITIALIZED 111
825#define EVP_R_INVALID_KEY_LENGTH 130
826#define EVP_R_IV_TOO_LARGE 102
827#define EVP_R_KEYGEN_FAILURE 120
828#define EVP_R_MISSING_PARAMETERS 103
829#define EVP_R_NO_CIPHER_SET 131
830#define EVP_R_NO_DSA_PARAMETERS 116
831#define EVP_R_NO_SIGN_FUNCTION_CONFIGURED 104
832#define EVP_R_NO_VERIFY_FUNCTION_CONFIGURED 105
833#define EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE 117
834#define EVP_R_PUBLIC_KEY_NOT_RSA 106
835#define EVP_R_UNKNOWN_PBE_ALGORITHM 121
836#define EVP_R_UNSUPORTED_NUMBER_OF_ROUNDS 135
837#define EVP_R_UNSUPPORTED_CIPHER 107
838#define EVP_R_UNSUPPORTED_KEYLENGTH 123
839#define EVP_R_UNSUPPORTED_KEY_DERIVATION_FUNCTION 124
840#define EVP_R_UNSUPPORTED_KEY_SIZE 108
841#define EVP_R_UNSUPPORTED_PRF 125
842#define EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM 118
843#define EVP_R_UNSUPPORTED_SALT_TYPE 126
844#define EVP_R_WRONG_FINAL_BLOCK_LENGTH 109
845#define EVP_R_WRONG_PUBLIC_KEY_TYPE 110
846
847#ifdef __cplusplus
848}
849#endif
850#endif
851
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