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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#include <openssl/ossl_typ.h>
71
72#include <openssl/symhacks.h>
73
74#ifndef OPENSSL_NO_BIO
75#include <openssl/bio.h>
76#endif
77
78/*
79#define EVP_RC2_KEY_SIZE 16
80#define EVP_RC4_KEY_SIZE 16
81#define EVP_BLOWFISH_KEY_SIZE 16
82#define EVP_CAST5_KEY_SIZE 16
83#define EVP_RC5_32_12_16_KEY_SIZE 16
84*/
85#define EVP_MAX_MD_SIZE (16+20) /* The SSLv3 md5+sha1 type */
86#define EVP_MAX_KEY_LENGTH 32
87#define EVP_MAX_IV_LENGTH 16
88#define EVP_MAX_BLOCK_LENGTH 32
89
90#define PKCS5_SALT_LEN 8
91/* Default PKCS#5 iteration count */
92#define PKCS5_DEFAULT_ITER 2048
93
94#include <openssl/objects.h>
95
96#define EVP_PK_RSA 0x0001
97#define EVP_PK_DSA 0x0002
98#define EVP_PK_DH 0x0004
99#define EVP_PKT_SIGN 0x0010
100#define EVP_PKT_ENC 0x0020
101#define EVP_PKT_EXCH 0x0040
102#define EVP_PKS_RSA 0x0100
103#define EVP_PKS_DSA 0x0200
104#define EVP_PKT_EXP 0x1000 /* <= 512 bit key */
105
106#define EVP_PKEY_NONE NID_undef
107#define EVP_PKEY_RSA NID_rsaEncryption
108#define EVP_PKEY_RSA2 NID_rsa
109#define EVP_PKEY_DSA NID_dsa
110#define EVP_PKEY_DSA1 NID_dsa_2
111#define EVP_PKEY_DSA2 NID_dsaWithSHA
112#define EVP_PKEY_DSA3 NID_dsaWithSHA1
113#define EVP_PKEY_DSA4 NID_dsaWithSHA1_2
114#define EVP_PKEY_DH NID_dhKeyAgreement
115
116#ifdef __cplusplus
117extern "C" {
118#endif
119
120/* Type needs to be a bit field
121 * Sub-type needs to be for variations on the method, as in, can it do
122 * arbitrary encryption.... */
123struct evp_pkey_st
124 {
125 int type;
126 int save_type;
127 int references;
128 union {
129 char *ptr;
130#ifndef OPENSSL_NO_RSA
131 struct rsa_st *rsa; /* RSA */
132#endif
133#ifndef OPENSSL_NO_DSA
134 struct dsa_st *dsa; /* DSA */
135#endif
136#ifndef OPENSSL_NO_DH
137 struct dh_st *dh; /* DH */
138#endif
139 } pkey;
140 int save_parameters;
141 STACK_OF(X509_ATTRIBUTE) *attributes; /* [ 0 ] */
142 } /* EVP_PKEY */;
143
144#define EVP_PKEY_MO_SIGN 0x0001
145#define EVP_PKEY_MO_VERIFY 0x0002
146#define EVP_PKEY_MO_ENCRYPT 0x0004
147#define EVP_PKEY_MO_DECRYPT 0x0008
148
149#if 0
150/* This structure is required to tie the message digest and signing together.
151 * The lookup can be done by md/pkey_method, oid, oid/pkey_method, or
152 * oid, md and pkey.
153 * This is required because for various smart-card perform the digest and
154 * signing/verification on-board. To handle this case, the specific
155 * EVP_MD and EVP_PKEY_METHODs need to be closely associated.
156 * When a PKEY is created, it will have a EVP_PKEY_METHOD associated with it.
157 * This can either be software or a token to provide the required low level
158 * routines.
159 */
160typedef struct evp_pkey_md_st
161 {
162 int oid;
163 EVP_MD *md;
164 EVP_PKEY_METHOD *pkey;
165 } EVP_PKEY_MD;
166
167#define EVP_rsa_md2() \
168 EVP_PKEY_MD_add(NID_md2WithRSAEncryption,\
169 EVP_rsa_pkcs1(),EVP_md2())
170#define EVP_rsa_md5() \
171 EVP_PKEY_MD_add(NID_md5WithRSAEncryption,\
172 EVP_rsa_pkcs1(),EVP_md5())
173#define EVP_rsa_sha0() \
174 EVP_PKEY_MD_add(NID_shaWithRSAEncryption,\
175 EVP_rsa_pkcs1(),EVP_sha())
176#define EVP_rsa_sha1() \
177 EVP_PKEY_MD_add(NID_sha1WithRSAEncryption,\
178 EVP_rsa_pkcs1(),EVP_sha1())
179#define EVP_rsa_ripemd160() \
180 EVP_PKEY_MD_add(NID_ripemd160WithRSA,\
181 EVP_rsa_pkcs1(),EVP_ripemd160())
182#define EVP_rsa_mdc2() \
183 EVP_PKEY_MD_add(NID_mdc2WithRSA,\
184 EVP_rsa_octet_string(),EVP_mdc2())
185#define EVP_dsa_sha() \
186 EVP_PKEY_MD_add(NID_dsaWithSHA,\
187 EVP_dsa(),EVP_sha())
188#define EVP_dsa_sha1() \
189 EVP_PKEY_MD_add(NID_dsaWithSHA1,\
190 EVP_dsa(),EVP_sha1())
191
192typedef struct evp_pkey_method_st
193 {
194 char *name;
195 int flags;
196 int type; /* RSA, DSA, an SSLeay specific constant */
197 int oid; /* For the pub-key type */
198 int encrypt_oid; /* pub/priv key encryption */
199
200 int (*sign)();
201 int (*verify)();
202 struct {
203 int (*set)(); /* get and/or set the underlying type */
204 int (*get)();
205 int (*encrypt)();
206 int (*decrypt)();
207 int (*i2d)();
208 int (*d2i)();
209 int (*dup)();
210 } pub,priv;
211 int (*set_asn1_parameters)();
212 int (*get_asn1_parameters)();
213 } EVP_PKEY_METHOD;
214#endif
215
216#ifndef EVP_MD
217struct env_md_st
218 {
219 int type;
220 int pkey_type;
221 int md_size;
222 unsigned long flags;
223 int (*init)(EVP_MD_CTX *ctx);
224 int (*update)(EVP_MD_CTX *ctx,const void *data,unsigned long count);
225 int (*final)(EVP_MD_CTX *ctx,unsigned char *md);
226 int (*copy)(EVP_MD_CTX *to,const EVP_MD_CTX *from);
227 int (*cleanup)(EVP_MD_CTX *ctx);
228
229 /* FIXME: prototype these some day */
230 int (*sign)();
231 int (*verify)();
232 int required_pkey_type[5]; /*EVP_PKEY_xxx */
233 int block_size;
234 int ctx_size; /* how big does the ctx->md_data need to be */
235 } /* EVP_MD */;
236
237#define EVP_MD_FLAG_ONESHOT 0x0001 /* digest can only handle a single
238 * block */
239
240#define EVP_PKEY_NULL_method NULL,NULL,{0,0,0,0}
241
242#ifndef OPENSSL_NO_DSA
243#define EVP_PKEY_DSA_method DSA_sign,DSA_verify, \
244 {EVP_PKEY_DSA,EVP_PKEY_DSA2,EVP_PKEY_DSA3, \
245 EVP_PKEY_DSA4,0}
246#else
247#define EVP_PKEY_DSA_method EVP_PKEY_NULL_method
248#endif
249
250#ifndef OPENSSL_NO_RSA
251#define EVP_PKEY_RSA_method RSA_sign,RSA_verify, \
252 {EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0}
253#define EVP_PKEY_RSA_ASN1_OCTET_STRING_method \
254 RSA_sign_ASN1_OCTET_STRING, \
255 RSA_verify_ASN1_OCTET_STRING, \
256 {EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0}
257#else
258#define EVP_PKEY_RSA_method EVP_PKEY_NULL_method
259#define EVP_PKEY_RSA_ASN1_OCTET_STRING_method EVP_PKEY_NULL_method
260#endif
261
262#endif /* !EVP_MD */
263
264struct env_md_ctx_st
265 {
266 const EVP_MD *digest;
267 ENGINE *engine; /* functional reference if 'digest' is ENGINE-provided */
268 unsigned long flags;
269 void *md_data;
270 } /* EVP_MD_CTX */;
271
272/* values for EVP_MD_CTX flags */
273
274#define EVP_MD_CTX_FLAG_ONESHOT 0x0001 /* digest update will be called
275 * once only */
276#define EVP_MD_CTX_FLAG_CLEANED 0x0002 /* context has already been
277 * cleaned */
278
279struct evp_cipher_st
280 {
281 int nid;
282 int block_size;
283 int key_len; /* Default value for variable length ciphers */
284 int iv_len;
285 unsigned long flags; /* Various flags */
286 int (*init)(EVP_CIPHER_CTX *ctx, const unsigned char *key,
287 const unsigned char *iv, int enc); /* init key */
288 int (*do_cipher)(EVP_CIPHER_CTX *ctx, unsigned char *out,
289 const unsigned char *in, unsigned int inl);/* encrypt/decrypt data */
290 int (*cleanup)(EVP_CIPHER_CTX *); /* cleanup ctx */
291 int ctx_size; /* how big ctx->cipher_data needs to be */
292 int (*set_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Populate a ASN1_TYPE with parameters */
293 int (*get_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Get parameters from a ASN1_TYPE */
294 int (*ctrl)(EVP_CIPHER_CTX *, int type, int arg, void *ptr); /* Miscellaneous operations */
295 void *app_data; /* Application data */
296 } /* EVP_CIPHER */;
297
298/* Values for cipher flags */
299
300/* Modes for ciphers */
301
302#define EVP_CIPH_STREAM_CIPHER 0x0
303#define EVP_CIPH_ECB_MODE 0x1
304#define EVP_CIPH_CBC_MODE 0x2
305#define EVP_CIPH_CFB_MODE 0x3
306#define EVP_CIPH_OFB_MODE 0x4
307#define EVP_CIPH_MODE 0x7
308/* Set if variable length cipher */
309#define EVP_CIPH_VARIABLE_LENGTH 0x8
310/* Set if the iv handling should be done by the cipher itself */
311#define EVP_CIPH_CUSTOM_IV 0x10
312/* Set if the cipher's init() function should be called if key is NULL */
313#define EVP_CIPH_ALWAYS_CALL_INIT 0x20
314/* Call ctrl() to init cipher parameters */
315#define EVP_CIPH_CTRL_INIT 0x40
316/* Don't use standard key length function */
317#define EVP_CIPH_CUSTOM_KEY_LENGTH 0x80
318/* Don't use standard block padding */
319#define EVP_CIPH_NO_PADDING 0x100
320
321/* ctrl() values */
322
323#define EVP_CTRL_INIT 0x0
324#define EVP_CTRL_SET_KEY_LENGTH 0x1
325#define EVP_CTRL_GET_RC2_KEY_BITS 0x2
326#define EVP_CTRL_SET_RC2_KEY_BITS 0x3
327#define EVP_CTRL_GET_RC5_ROUNDS 0x4
328#define EVP_CTRL_SET_RC5_ROUNDS 0x5
329#define EVP_CTRL_SET_ACSS_MODE 0x6
330
331typedef struct evp_cipher_info_st
332 {
333 const EVP_CIPHER *cipher;
334 unsigned char iv[EVP_MAX_IV_LENGTH];
335 } EVP_CIPHER_INFO;
336
337struct evp_cipher_ctx_st
338 {
339 const EVP_CIPHER *cipher;
340 ENGINE *engine; /* functional reference if 'cipher' is ENGINE-provided */
341 int encrypt; /* encrypt or decrypt */
342 int buf_len; /* number we have left */
343
344 unsigned char oiv[EVP_MAX_IV_LENGTH]; /* original iv */
345 unsigned char iv[EVP_MAX_IV_LENGTH]; /* working iv */
346 unsigned char buf[EVP_MAX_BLOCK_LENGTH];/* saved partial block */
347 int num; /* used by cfb/ofb mode */
348
349 void *app_data; /* application stuff */
350 int key_len; /* May change for variable length cipher */
351 unsigned long flags; /* Various flags */
352 void *cipher_data; /* per EVP data */
353 int final_used;
354 int block_mask;
355 unsigned char final[EVP_MAX_BLOCK_LENGTH];/* possible final block */
356 } /* EVP_CIPHER_CTX */;
357
358typedef struct evp_Encode_Ctx_st
359 {
360 int num; /* number saved in a partial encode/decode */
361 int length; /* The length is either the output line length
362 * (in input bytes) or the shortest input line
363 * length that is ok. Once decoding begins,
364 * the length is adjusted up each time a longer
365 * line is decoded */
366 unsigned char enc_data[80]; /* data to encode */
367 int line_num; /* number read on current line */
368 int expect_nl;
369 } EVP_ENCODE_CTX;
370
371/* Password based encryption function */
372typedef int (EVP_PBE_KEYGEN)(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
373 ASN1_TYPE *param, const EVP_CIPHER *cipher,
374 const EVP_MD *md, int en_de);
375
376#ifndef OPENSSL_NO_RSA
377#define EVP_PKEY_assign_RSA(pkey,rsa) EVP_PKEY_assign((pkey),EVP_PKEY_RSA,\
378 (char *)(rsa))
379#endif
380
381#ifndef OPENSSL_NO_DSA
382#define EVP_PKEY_assign_DSA(pkey,dsa) EVP_PKEY_assign((pkey),EVP_PKEY_DSA,\
383 (char *)(dsa))
384#endif
385
386#ifndef OPENSSL_NO_DH
387#define EVP_PKEY_assign_DH(pkey,dh) EVP_PKEY_assign((pkey),EVP_PKEY_DH,\
388 (char *)(dh))
389#endif
390
391/* Add some extra combinations */
392#define EVP_get_digestbynid(a) EVP_get_digestbyname(OBJ_nid2sn(a))
393#define EVP_get_digestbyobj(a) EVP_get_digestbynid(OBJ_obj2nid(a))
394#define EVP_get_cipherbynid(a) EVP_get_cipherbyname(OBJ_nid2sn(a))
395#define EVP_get_cipherbyobj(a) EVP_get_cipherbynid(OBJ_obj2nid(a))
396
397#define EVP_MD_type(e) ((e)->type)
398#define EVP_MD_nid(e) EVP_MD_type(e)
399#define EVP_MD_name(e) OBJ_nid2sn(EVP_MD_nid(e))
400#define EVP_MD_pkey_type(e) ((e)->pkey_type)
401#define EVP_MD_size(e) ((e)->md_size)
402#define EVP_MD_block_size(e) ((e)->block_size)
403
404#define EVP_MD_CTX_md(e) ((e)->digest)
405#define EVP_MD_CTX_size(e) EVP_MD_size((e)->digest)
406#define EVP_MD_CTX_block_size(e) EVP_MD_block_size((e)->digest)
407#define EVP_MD_CTX_type(e) EVP_MD_type((e)->digest)
408
409#define EVP_CIPHER_nid(e) ((e)->nid)
410#define EVP_CIPHER_name(e) OBJ_nid2sn(EVP_CIPHER_nid(e))
411#define EVP_CIPHER_block_size(e) ((e)->block_size)
412#define EVP_CIPHER_key_length(e) ((e)->key_len)
413#define EVP_CIPHER_iv_length(e) ((e)->iv_len)
414#define EVP_CIPHER_flags(e) ((e)->flags)
415#define EVP_CIPHER_mode(e) (((e)->flags) & EVP_CIPH_MODE)
416
417#define EVP_CIPHER_CTX_cipher(e) ((e)->cipher)
418#define EVP_CIPHER_CTX_nid(e) ((e)->cipher->nid)
419#define EVP_CIPHER_CTX_block_size(e) ((e)->cipher->block_size)
420#define EVP_CIPHER_CTX_key_length(e) ((e)->key_len)
421#define EVP_CIPHER_CTX_iv_length(e) ((e)->cipher->iv_len)
422#define EVP_CIPHER_CTX_get_app_data(e) ((e)->app_data)
423#define EVP_CIPHER_CTX_set_app_data(e,d) ((e)->app_data=(char *)(d))
424#define EVP_CIPHER_CTX_type(c) EVP_CIPHER_type(EVP_CIPHER_CTX_cipher(c))
425#define EVP_CIPHER_CTX_flags(e) ((e)->cipher->flags)
426#define EVP_CIPHER_CTX_mode(e) ((e)->cipher->flags & EVP_CIPH_MODE)
427
428#define EVP_ENCODE_LENGTH(l) (((l+2)/3*4)+(l/48+1)*2+80)
429#define EVP_DECODE_LENGTH(l) ((l+3)/4*3+80)
430
431#define EVP_SignInit_ex(a,b,c) EVP_DigestInit_ex(a,b,c)
432#define EVP_SignInit(a,b) EVP_DigestInit(a,b)
433#define EVP_SignUpdate(a,b,c) EVP_DigestUpdate(a,b,c)
434#define EVP_VerifyInit_ex(a,b,c) EVP_DigestInit_ex(a,b,c)
435#define EVP_VerifyInit(a,b) EVP_DigestInit(a,b)
436#define EVP_VerifyUpdate(a,b,c) EVP_DigestUpdate(a,b,c)
437#define EVP_OpenUpdate(a,b,c,d,e) EVP_DecryptUpdate(a,b,c,d,e)
438#define EVP_SealUpdate(a,b,c,d,e) EVP_EncryptUpdate(a,b,c,d,e)
439
440#ifdef CONST_STRICT
441void BIO_set_md(BIO *,const EVP_MD *md);
442#else
443# define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,0,(char *)md)
444#endif
445#define BIO_get_md(b,mdp) BIO_ctrl(b,BIO_C_GET_MD,0,(char *)mdp)
446#define BIO_get_md_ctx(b,mdcp) BIO_ctrl(b,BIO_C_GET_MD_CTX,0,(char *)mdcp)
447#define BIO_get_cipher_status(b) BIO_ctrl(b,BIO_C_GET_CIPHER_STATUS,0,NULL)
448#define BIO_get_cipher_ctx(b,c_pp) BIO_ctrl(b,BIO_C_GET_CIPHER_CTX,0,(char *)c_pp)
449
450#define EVP_Cipher(c,o,i,l) (c)->cipher->do_cipher((c),(o),(i),(l))
451
452#define EVP_add_cipher_alias(n,alias) \
453 OBJ_NAME_add((alias),OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS,(n))
454#define EVP_add_digest_alias(n,alias) \
455 OBJ_NAME_add((alias),OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,(n))
456#define EVP_delete_cipher_alias(alias) \
457 OBJ_NAME_remove(alias,OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS);
458#define EVP_delete_digest_alias(alias) \
459 OBJ_NAME_remove(alias,OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS);
460
461void EVP_MD_CTX_init(EVP_MD_CTX *ctx);
462int EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx);
463EVP_MD_CTX *EVP_MD_CTX_create(void);
464void EVP_MD_CTX_destroy(EVP_MD_CTX *ctx);
465int EVP_MD_CTX_copy_ex(EVP_MD_CTX *out,const EVP_MD_CTX *in);
466#define EVP_MD_CTX_set_flags(ctx,flgs) ((ctx)->flags|=(flgs))
467#define EVP_MD_CTX_clear_flags(ctx,flgs) ((ctx)->flags&=~(flgs))
468#define EVP_MD_CTX_test_flags(ctx,flgs) ((ctx)->flags&(flgs))
469int EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl);
470int EVP_DigestUpdate(EVP_MD_CTX *ctx,const void *d,
471 unsigned int cnt);
472int EVP_DigestFinal_ex(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s);
473int EVP_Digest(void *data, unsigned int count,
474 unsigned char *md, unsigned int *size, const EVP_MD *type, ENGINE *impl);
475
476int EVP_MD_CTX_copy(EVP_MD_CTX *out,const EVP_MD_CTX *in);
477int EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type);
478int EVP_DigestFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s);
479
480int EVP_read_pw_string(char *buf,int length,const char *prompt,int verify);
481void EVP_set_pw_prompt(char *prompt);
482char * EVP_get_pw_prompt(void);
483
484int EVP_BytesToKey(const EVP_CIPHER *type,const EVP_MD *md,
485 const unsigned char *salt, const unsigned char *data,
486 int datal, int count, unsigned char *key,unsigned char *iv);
487
488int EVP_EncryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher,
489 const unsigned char *key, const unsigned char *iv);
490int EVP_EncryptInit_ex(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher, ENGINE *impl,
491 const unsigned char *key, const unsigned char *iv);
492int EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
493 int *outl, const unsigned char *in, int inl);
494int EVP_EncryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
495int EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
496
497int EVP_DecryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher,
498 const unsigned char *key, const unsigned char *iv);
499int EVP_DecryptInit_ex(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher, ENGINE *impl,
500 const unsigned char *key, const unsigned char *iv);
501int EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
502 int *outl, const unsigned char *in, int inl);
503int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
504int EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
505
506int EVP_CipherInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher,
507 const unsigned char *key,const unsigned char *iv,
508 int enc);
509int EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher, ENGINE *impl,
510 const unsigned char *key,const unsigned char *iv,
511 int enc);
512int EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
513 int *outl, const unsigned char *in, int inl);
514int EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
515int EVP_CipherFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
516
517int EVP_SignFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s,
518 EVP_PKEY *pkey);
519
520int EVP_VerifyFinal(EVP_MD_CTX *ctx,unsigned char *sigbuf,
521 unsigned int siglen,EVP_PKEY *pkey);
522
523int EVP_OpenInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,unsigned char *ek,
524 int ekl,unsigned char *iv,EVP_PKEY *priv);
525int EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
526
527int EVP_SealInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type, unsigned char **ek,
528 int *ekl, unsigned char *iv,EVP_PKEY **pubk, int npubk);
529int EVP_SealFinal(EVP_CIPHER_CTX *ctx,unsigned char *out,int *outl);
530
531void EVP_EncodeInit(EVP_ENCODE_CTX *ctx);
532void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,
533 int *outl,unsigned char *in,int inl);
534void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl);
535int EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int n);
536
537void EVP_DecodeInit(EVP_ENCODE_CTX *ctx);
538int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl,
539 unsigned char *in, int inl);
540int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned
541 char *out, int *outl);
542int EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n);
543
544void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *a);
545int EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *a);
546int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *x, int keylen);
547int EVP_CIPHER_CTX_set_padding(EVP_CIPHER_CTX *c, int pad);
548int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr);
549
550#ifndef OPENSSL_NO_BIO
551BIO_METHOD *BIO_f_md(void);
552BIO_METHOD *BIO_f_base64(void);
553BIO_METHOD *BIO_f_cipher(void);
554BIO_METHOD *BIO_f_reliable(void);
555void BIO_set_cipher(BIO *b,const EVP_CIPHER *c,unsigned char *k,
556 unsigned char *i, int enc);
557#endif
558
559const EVP_MD *EVP_md_null(void);
560#ifndef OPENSSL_NO_MD2
561const EVP_MD *EVP_md2(void);
562#endif
563#ifndef OPENSSL_NO_MD4
564const EVP_MD *EVP_md4(void);
565#endif
566#ifndef OPENSSL_NO_MD5
567const EVP_MD *EVP_md5(void);
568#endif
569#ifndef OPENSSL_NO_SHA
570const EVP_MD *EVP_sha(void);
571const EVP_MD *EVP_sha1(void);
572const EVP_MD *EVP_dss(void);
573const EVP_MD *EVP_dss1(void);
574#endif
575#ifndef OPENSSL_NO_MDC2
576const EVP_MD *EVP_mdc2(void);
577#endif
578#ifndef OPENSSL_NO_RIPEMD
579const EVP_MD *EVP_ripemd160(void);
580#endif
581const EVP_CIPHER *EVP_enc_null(void); /* does nothing :-) */
582#ifndef OPENSSL_NO_DES
583const EVP_CIPHER *EVP_des_ecb(void);
584const EVP_CIPHER *EVP_des_ede(void);
585const EVP_CIPHER *EVP_des_ede3(void);
586const EVP_CIPHER *EVP_des_ede_ecb(void);
587const EVP_CIPHER *EVP_des_ede3_ecb(void);
588const EVP_CIPHER *EVP_des_cfb(void);
589const EVP_CIPHER *EVP_des_ede_cfb(void);
590const EVP_CIPHER *EVP_des_ede3_cfb(void);
591const EVP_CIPHER *EVP_des_ofb(void);
592const EVP_CIPHER *EVP_des_ede_ofb(void);
593const EVP_CIPHER *EVP_des_ede3_ofb(void);
594const EVP_CIPHER *EVP_des_cbc(void);
595const EVP_CIPHER *EVP_des_ede_cbc(void);
596const EVP_CIPHER *EVP_des_ede3_cbc(void);
597const EVP_CIPHER *EVP_desx_cbc(void);
598/* This should now be supported through the dev_crypto ENGINE. But also, why are
599 * rc4 and md5 declarations made here inside a "NO_DES" precompiler branch? */
600#if 0
601# ifdef OPENSSL_OPENBSD_DEV_CRYPTO
602const EVP_CIPHER *EVP_dev_crypto_des_ede3_cbc(void);
603const EVP_CIPHER *EVP_dev_crypto_rc4(void);
604const EVP_MD *EVP_dev_crypto_md5(void);
605# endif
606#endif
607#endif
608#ifndef OPENSSL_NO_RC4
609const EVP_CIPHER *EVP_rc4(void);
610const EVP_CIPHER *EVP_rc4_40(void);
611#endif
612#ifndef OPENSSL_NO_IDEA
613const EVP_CIPHER *EVP_idea_ecb(void);
614const EVP_CIPHER *EVP_idea_cfb(void);
615const EVP_CIPHER *EVP_idea_ofb(void);
616const EVP_CIPHER *EVP_idea_cbc(void);
617#endif
618#ifndef OPENSSL_NO_RC2
619const EVP_CIPHER *EVP_rc2_ecb(void);
620const EVP_CIPHER *EVP_rc2_cbc(void);
621const EVP_CIPHER *EVP_rc2_40_cbc(void);
622const EVP_CIPHER *EVP_rc2_64_cbc(void);
623const EVP_CIPHER *EVP_rc2_cfb(void);
624const EVP_CIPHER *EVP_rc2_ofb(void);
625#endif
626#ifndef OPENSSL_NO_BF
627const EVP_CIPHER *EVP_bf_ecb(void);
628const EVP_CIPHER *EVP_bf_cbc(void);
629const EVP_CIPHER *EVP_bf_cfb(void);
630const EVP_CIPHER *EVP_bf_ofb(void);
631#endif
632#ifndef OPENSSL_NO_CAST
633const EVP_CIPHER *EVP_cast5_ecb(void);
634const EVP_CIPHER *EVP_cast5_cbc(void);
635const EVP_CIPHER *EVP_cast5_cfb(void);
636const EVP_CIPHER *EVP_cast5_ofb(void);
637#endif
638#ifndef OPENSSL_NO_RC5
639const EVP_CIPHER *EVP_rc5_32_12_16_cbc(void);
640const EVP_CIPHER *EVP_rc5_32_12_16_ecb(void);
641const EVP_CIPHER *EVP_rc5_32_12_16_cfb(void);
642const EVP_CIPHER *EVP_rc5_32_12_16_ofb(void);
643#endif
644#ifndef OPENSSL_NO_AES
645const EVP_CIPHER *EVP_aes_128_ecb(void);
646const EVP_CIPHER *EVP_aes_128_cbc(void);
647const EVP_CIPHER *EVP_aes_128_cfb(void);
648const EVP_CIPHER *EVP_aes_128_ofb(void);
649#if 0
650const EVP_CIPHER *EVP_aes_128_ctr(void);
651#endif
652const EVP_CIPHER *EVP_aes_192_ecb(void);
653const EVP_CIPHER *EVP_aes_192_cbc(void);
654const EVP_CIPHER *EVP_aes_192_cfb(void);
655const EVP_CIPHER *EVP_aes_192_ofb(void);
656#if 0
657const EVP_CIPHER *EVP_aes_192_ctr(void);
658#endif
659const EVP_CIPHER *EVP_aes_256_ecb(void);
660const EVP_CIPHER *EVP_aes_256_cbc(void);
661const EVP_CIPHER *EVP_aes_256_cfb(void);
662const EVP_CIPHER *EVP_aes_256_ofb(void);
663#if 0
664const EVP_CIPHER *EVP_aes_256_ctr(void);
665#endif
666#endif
667#ifndef OPENSSL_NO_ACSS
668const EVP_CIPHER *EVP_acss(void);
669#endif
670
671void OPENSSL_add_all_algorithms_noconf(void);
672void OPENSSL_add_all_algorithms_conf(void);
673
674#ifdef OPENSSL_LOAD_CONF
675#define OpenSSL_add_all_algorithms() \
676 OPENSSL_add_all_algorithms_conf()
677#else
678#define OpenSSL_add_all_algorithms() \
679 OPENSSL_add_all_algorithms_noconf()
680#endif
681
682void OpenSSL_add_all_ciphers(void);
683void OpenSSL_add_all_digests(void);
684#define SSLeay_add_all_algorithms() OpenSSL_add_all_algorithms()
685#define SSLeay_add_all_ciphers() OpenSSL_add_all_ciphers()
686#define SSLeay_add_all_digests() OpenSSL_add_all_digests()
687
688int EVP_add_cipher(const EVP_CIPHER *cipher);
689int EVP_add_digest(const EVP_MD *digest);
690
691const EVP_CIPHER *EVP_get_cipherbyname(const char *name);
692const EVP_MD *EVP_get_digestbyname(const char *name);
693void EVP_cleanup(void);
694
695int EVP_PKEY_decrypt(unsigned char *dec_key,unsigned char *enc_key,
696 int enc_key_len,EVP_PKEY *private_key);
697int EVP_PKEY_encrypt(unsigned char *enc_key,
698 unsigned char *key,int key_len,EVP_PKEY *pub_key);
699int EVP_PKEY_type(int type);
700int EVP_PKEY_bits(EVP_PKEY *pkey);
701int EVP_PKEY_size(EVP_PKEY *pkey);
702int EVP_PKEY_assign(EVP_PKEY *pkey,int type,char *key);
703
704#ifndef OPENSSL_NO_RSA
705struct rsa_st;
706int EVP_PKEY_set1_RSA(EVP_PKEY *pkey,struct rsa_st *key);
707struct rsa_st *EVP_PKEY_get1_RSA(EVP_PKEY *pkey);
708#endif
709#ifndef OPENSSL_NO_DSA
710struct dsa_st;
711int EVP_PKEY_set1_DSA(EVP_PKEY *pkey,struct dsa_st *key);
712struct dsa_st *EVP_PKEY_get1_DSA(EVP_PKEY *pkey);
713#endif
714#ifndef OPENSSL_NO_DH
715struct dh_st;
716int EVP_PKEY_set1_DH(EVP_PKEY *pkey,struct dh_st *key);
717struct dh_st *EVP_PKEY_get1_DH(EVP_PKEY *pkey);
718#endif
719
720
721EVP_PKEY * EVP_PKEY_new(void);
722void EVP_PKEY_free(EVP_PKEY *pkey);
723EVP_PKEY * d2i_PublicKey(int type,EVP_PKEY **a, unsigned char **pp,
724 long length);
725int i2d_PublicKey(EVP_PKEY *a, unsigned char **pp);
726
727EVP_PKEY * d2i_PrivateKey(int type,EVP_PKEY **a, unsigned char **pp,
728 long length);
729EVP_PKEY * d2i_AutoPrivateKey(EVP_PKEY **a, unsigned char **pp,
730 long length);
731int i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp);
732
733int EVP_PKEY_copy_parameters(EVP_PKEY *to,EVP_PKEY *from);
734int EVP_PKEY_missing_parameters(EVP_PKEY *pkey);
735int EVP_PKEY_save_parameters(EVP_PKEY *pkey,int mode);
736int EVP_PKEY_cmp_parameters(EVP_PKEY *a,EVP_PKEY *b);
737
738int EVP_CIPHER_type(const EVP_CIPHER *ctx);
739
740/* calls methods */
741int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
742int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
743
744/* These are used by EVP_CIPHER methods */
745int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type);
746int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type);
747
748/* PKCS5 password based encryption */
749int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
750 ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md,
751 int en_de);
752int PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen,
753 unsigned char *salt, int saltlen, int iter,
754 int keylen, unsigned char *out);
755int PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
756 ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md,
757 int en_de);
758
759void PKCS5_PBE_add(void);
760
761int EVP_PBE_CipherInit (ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
762 ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de);
763int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md,
764 EVP_PBE_KEYGEN *keygen);
765void EVP_PBE_cleanup(void);
766
767/* BEGIN ERROR CODES */
768/* The following lines are auto generated by the script mkerr.pl. Any changes
769 * made after this point may be overwritten when the script is next run.
770 */
771void ERR_load_EVP_strings(void);
772
773/* Error codes for the EVP functions. */
774
775/* Function codes. */
776#define EVP_F_D2I_PKEY 100
777#define EVP_F_EVP_CIPHERINIT 123
778#define EVP_F_EVP_CIPHER_CTX_CTRL 124
779#define EVP_F_EVP_CIPHER_CTX_SET_KEY_LENGTH 122
780#define EVP_F_EVP_DECRYPTFINAL 101
781#define EVP_F_EVP_DIGESTINIT 128
782#define EVP_F_EVP_ENCRYPTFINAL 127
783#define EVP_F_EVP_MD_CTX_COPY 110
784#define EVP_F_EVP_OPENINIT 102
785#define EVP_F_EVP_PBE_ALG_ADD 115
786#define EVP_F_EVP_PBE_CIPHERINIT 116
787#define EVP_F_EVP_PKCS82PKEY 111
788#define EVP_F_EVP_PKCS8_SET_BROKEN 112
789#define EVP_F_EVP_PKEY2PKCS8 113
790#define EVP_F_EVP_PKEY_COPY_PARAMETERS 103
791#define EVP_F_EVP_PKEY_DECRYPT 104
792#define EVP_F_EVP_PKEY_ENCRYPT 105
793#define EVP_F_EVP_PKEY_GET1_DH 119
794#define EVP_F_EVP_PKEY_GET1_DSA 120
795#define EVP_F_EVP_PKEY_GET1_RSA 121
796#define EVP_F_EVP_PKEY_NEW 106
797#define EVP_F_EVP_RIJNDAEL 126
798#define EVP_F_EVP_SIGNFINAL 107
799#define EVP_F_EVP_VERIFYFINAL 108
800#define EVP_F_PKCS5_PBE_KEYIVGEN 117
801#define EVP_F_PKCS5_V2_PBE_KEYIVGEN 118
802#define EVP_F_RC2_MAGIC_TO_METH 109
803#define EVP_F_RC5_CTRL 125
804
805/* Reason codes. */
806#define EVP_R_BAD_BLOCK_LENGTH 136
807#define EVP_R_BAD_DECRYPT 100
808#define EVP_R_BAD_KEY_LENGTH 137
809#define EVP_R_BN_DECODE_ERROR 112
810#define EVP_R_BN_PUBKEY_ERROR 113
811#define EVP_R_CIPHER_PARAMETER_ERROR 122
812#define EVP_R_CTRL_NOT_IMPLEMENTED 132
813#define EVP_R_CTRL_OPERATION_NOT_IMPLEMENTED 133
814#define EVP_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH 138
815#define EVP_R_DECODE_ERROR 114
816#define EVP_R_DIFFERENT_KEY_TYPES 101
817#define EVP_R_ENCODE_ERROR 115
818#define EVP_R_EVP_PBE_CIPHERINIT_ERROR 119
819#define EVP_R_EXPECTING_AN_RSA_KEY 127
820#define EVP_R_EXPECTING_A_DH_KEY 128
821#define EVP_R_EXPECTING_A_DSA_KEY 129
822#define EVP_R_INITIALIZATION_ERROR 134
823#define EVP_R_INPUT_NOT_INITIALIZED 111
824#define EVP_R_INVALID_KEY_LENGTH 130
825#define EVP_R_IV_TOO_LARGE 102
826#define EVP_R_KEYGEN_FAILURE 120
827#define EVP_R_MISSING_PARAMETERS 103
828#define EVP_R_NO_CIPHER_SET 131
829#define EVP_R_NO_DIGEST_SET 139
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
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-03-20 22:43:29 +0000