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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#define EVP_MD_CTX_FLAG_REUSE 0x0004 /* Don't free up ctx->md_data
279 * in EVP_MD_CTX_cleanup */
280
281struct evp_cipher_st
282 {
283 int nid;
284 int block_size;
285 int key_len; /* Default value for variable length ciphers */
286 int iv_len;
287 unsigned long flags; /* Various flags */
288 int (*init)(EVP_CIPHER_CTX *ctx, const unsigned char *key,
289 const unsigned char *iv, int enc); /* init key */
290 int (*do_cipher)(EVP_CIPHER_CTX *ctx, unsigned char *out,
291 const unsigned char *in, unsigned int inl);/* encrypt/decrypt data */
292 int (*cleanup)(EVP_CIPHER_CTX *); /* cleanup ctx */
293 int ctx_size; /* how big ctx->cipher_data needs to be */
294 int (*set_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Populate a ASN1_TYPE with parameters */
295 int (*get_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Get parameters from a ASN1_TYPE */
296 int (*ctrl)(EVP_CIPHER_CTX *, int type, int arg, void *ptr); /* Miscellaneous operations */
297 void *app_data; /* Application data */
298 } /* EVP_CIPHER */;
299
300/* Values for cipher flags */
301
302/* Modes for ciphers */
303
304#define EVP_CIPH_STREAM_CIPHER 0x0
305#define EVP_CIPH_ECB_MODE 0x1
306#define EVP_CIPH_CBC_MODE 0x2
307#define EVP_CIPH_CFB_MODE 0x3
308#define EVP_CIPH_OFB_MODE 0x4
309#define EVP_CIPH_MODE 0x7
310/* Set if variable length cipher */
311#define EVP_CIPH_VARIABLE_LENGTH 0x8
312/* Set if the iv handling should be done by the cipher itself */
313#define EVP_CIPH_CUSTOM_IV 0x10
314/* Set if the cipher's init() function should be called if key is NULL */
315#define EVP_CIPH_ALWAYS_CALL_INIT 0x20
316/* Call ctrl() to init cipher parameters */
317#define EVP_CIPH_CTRL_INIT 0x40
318/* Don't use standard key length function */
319#define EVP_CIPH_CUSTOM_KEY_LENGTH 0x80
320/* Don't use standard block padding */
321#define EVP_CIPH_NO_PADDING 0x100
322
323/* ctrl() values */
324
325#define EVP_CTRL_INIT 0x0
326#define EVP_CTRL_SET_KEY_LENGTH 0x1
327#define EVP_CTRL_GET_RC2_KEY_BITS 0x2
328#define EVP_CTRL_SET_RC2_KEY_BITS 0x3
329#define EVP_CTRL_GET_RC5_ROUNDS 0x4
330#define EVP_CTRL_SET_RC5_ROUNDS 0x5
331#define EVP_CTRL_SET_ACSS_MODE 0x6
332
333typedef struct evp_cipher_info_st
334 {
335 const EVP_CIPHER *cipher;
336 unsigned char iv[EVP_MAX_IV_LENGTH];
337 } EVP_CIPHER_INFO;
338
339struct evp_cipher_ctx_st
340 {
341 const EVP_CIPHER *cipher;
342 ENGINE *engine; /* functional reference if 'cipher' is ENGINE-provided */
343 int encrypt; /* encrypt or decrypt */
344 int buf_len; /* number we have left */
345
346 unsigned char oiv[EVP_MAX_IV_LENGTH]; /* original iv */
347 unsigned char iv[EVP_MAX_IV_LENGTH]; /* working iv */
348 unsigned char buf[EVP_MAX_BLOCK_LENGTH];/* saved partial block */
349 int num; /* used by cfb/ofb mode */
350
351 void *app_data; /* application stuff */
352 int key_len; /* May change for variable length cipher */
353 unsigned long flags; /* Various flags */
354 void *cipher_data; /* per EVP data */
355 int final_used;
356 int block_mask;
357 unsigned char final[EVP_MAX_BLOCK_LENGTH];/* possible final block */
358 } /* EVP_CIPHER_CTX */;
359
360typedef struct evp_Encode_Ctx_st
361 {
362 int num; /* number saved in a partial encode/decode */
363 int length; /* The length is either the output line length
364 * (in input bytes) or the shortest input line
365 * length that is ok. Once decoding begins,
366 * the length is adjusted up each time a longer
367 * line is decoded */
368 unsigned char enc_data[80]; /* data to encode */
369 int line_num; /* number read on current line */
370 int expect_nl;
371 } EVP_ENCODE_CTX;
372
373/* Password based encryption function */
374typedef int (EVP_PBE_KEYGEN)(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
375 ASN1_TYPE *param, const EVP_CIPHER *cipher,
376 const EVP_MD *md, int en_de);
377
378#ifndef OPENSSL_NO_RSA
379#define EVP_PKEY_assign_RSA(pkey,rsa) EVP_PKEY_assign((pkey),EVP_PKEY_RSA,\
380 (char *)(rsa))
381#endif
382
383#ifndef OPENSSL_NO_DSA
384#define EVP_PKEY_assign_DSA(pkey,dsa) EVP_PKEY_assign((pkey),EVP_PKEY_DSA,\
385 (char *)(dsa))
386#endif
387
388#ifndef OPENSSL_NO_DH
389#define EVP_PKEY_assign_DH(pkey,dh) EVP_PKEY_assign((pkey),EVP_PKEY_DH,\
390 (char *)(dh))
391#endif
392
393/* Add some extra combinations */
394#define EVP_get_digestbynid(a) EVP_get_digestbyname(OBJ_nid2sn(a))
395#define EVP_get_digestbyobj(a) EVP_get_digestbynid(OBJ_obj2nid(a))
396#define EVP_get_cipherbynid(a) EVP_get_cipherbyname(OBJ_nid2sn(a))
397#define EVP_get_cipherbyobj(a) EVP_get_cipherbynid(OBJ_obj2nid(a))
398
399#define EVP_MD_type(e) ((e)->type)
400#define EVP_MD_nid(e) EVP_MD_type(e)
401#define EVP_MD_name(e) OBJ_nid2sn(EVP_MD_nid(e))
402#define EVP_MD_pkey_type(e) ((e)->pkey_type)
403#define EVP_MD_size(e) ((e)->md_size)
404#define EVP_MD_block_size(e) ((e)->block_size)
405
406#define EVP_MD_CTX_md(e) ((e)->digest)
407#define EVP_MD_CTX_size(e) EVP_MD_size((e)->digest)
408#define EVP_MD_CTX_block_size(e) EVP_MD_block_size((e)->digest)
409#define EVP_MD_CTX_type(e) EVP_MD_type((e)->digest)
410
411#define EVP_CIPHER_nid(e) ((e)->nid)
412#define EVP_CIPHER_name(e) OBJ_nid2sn(EVP_CIPHER_nid(e))
413#define EVP_CIPHER_block_size(e) ((e)->block_size)
414#define EVP_CIPHER_key_length(e) ((e)->key_len)
415#define EVP_CIPHER_iv_length(e) ((e)->iv_len)
416#define EVP_CIPHER_flags(e) ((e)->flags)
417#define EVP_CIPHER_mode(e) (((e)->flags) & EVP_CIPH_MODE)
418
419#define EVP_CIPHER_CTX_cipher(e) ((e)->cipher)
420#define EVP_CIPHER_CTX_nid(e) ((e)->cipher->nid)
421#define EVP_CIPHER_CTX_block_size(e) ((e)->cipher->block_size)
422#define EVP_CIPHER_CTX_key_length(e) ((e)->key_len)
423#define EVP_CIPHER_CTX_iv_length(e) ((e)->cipher->iv_len)
424#define EVP_CIPHER_CTX_get_app_data(e) ((e)->app_data)
425#define EVP_CIPHER_CTX_set_app_data(e,d) ((e)->app_data=(char *)(d))
426#define EVP_CIPHER_CTX_type(c) EVP_CIPHER_type(EVP_CIPHER_CTX_cipher(c))
427#define EVP_CIPHER_CTX_flags(e) ((e)->cipher->flags)
428#define EVP_CIPHER_CTX_mode(e) ((e)->cipher->flags & EVP_CIPH_MODE)
429
430#define EVP_ENCODE_LENGTH(l) (((l+2)/3*4)+(l/48+1)*2+80)
431#define EVP_DECODE_LENGTH(l) ((l+3)/4*3+80)
432
433#define EVP_SignInit_ex(a,b,c) EVP_DigestInit_ex(a,b,c)
434#define EVP_SignInit(a,b) EVP_DigestInit(a,b)
435#define EVP_SignUpdate(a,b,c) EVP_DigestUpdate(a,b,c)
436#define EVP_VerifyInit_ex(a,b,c) EVP_DigestInit_ex(a,b,c)
437#define EVP_VerifyInit(a,b) EVP_DigestInit(a,b)
438#define EVP_VerifyUpdate(a,b,c) EVP_DigestUpdate(a,b,c)
439#define EVP_OpenUpdate(a,b,c,d,e) EVP_DecryptUpdate(a,b,c,d,e)
440#define EVP_SealUpdate(a,b,c,d,e) EVP_EncryptUpdate(a,b,c,d,e)
441
442#ifdef CONST_STRICT
443void BIO_set_md(BIO *,const EVP_MD *md);
444#else
445# define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,0,(char *)md)
446#endif
447#define BIO_get_md(b,mdp) BIO_ctrl(b,BIO_C_GET_MD,0,(char *)mdp)
448#define BIO_get_md_ctx(b,mdcp) BIO_ctrl(b,BIO_C_GET_MD_CTX,0,(char *)mdcp)
449#define BIO_get_cipher_status(b) BIO_ctrl(b,BIO_C_GET_CIPHER_STATUS,0,NULL)
450#define BIO_get_cipher_ctx(b,c_pp) BIO_ctrl(b,BIO_C_GET_CIPHER_CTX,0,(char *)c_pp)
451
452#define EVP_Cipher(c,o,i,l) (c)->cipher->do_cipher((c),(o),(i),(l))
453
454#define EVP_add_cipher_alias(n,alias) \
455 OBJ_NAME_add((alias),OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS,(n))
456#define EVP_add_digest_alias(n,alias) \
457 OBJ_NAME_add((alias),OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,(n))
458#define EVP_delete_cipher_alias(alias) \
459 OBJ_NAME_remove(alias,OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS);
460#define EVP_delete_digest_alias(alias) \
461 OBJ_NAME_remove(alias,OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS);
462
463void EVP_MD_CTX_init(EVP_MD_CTX *ctx);
464int EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx);
465EVP_MD_CTX *EVP_MD_CTX_create(void);
466void EVP_MD_CTX_destroy(EVP_MD_CTX *ctx);
467int EVP_MD_CTX_copy_ex(EVP_MD_CTX *out,const EVP_MD_CTX *in);
468#define EVP_MD_CTX_set_flags(ctx,flgs) ((ctx)->flags|=(flgs))
469#define EVP_MD_CTX_clear_flags(ctx,flgs) ((ctx)->flags&=~(flgs))
470#define EVP_MD_CTX_test_flags(ctx,flgs) ((ctx)->flags&(flgs))
471int EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl);
472int EVP_DigestUpdate(EVP_MD_CTX *ctx,const void *d,
473 unsigned int cnt);
474int EVP_DigestFinal_ex(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s);
475int EVP_Digest(void *data, unsigned int count,
476 unsigned char *md, unsigned int *size, const EVP_MD *type, ENGINE *impl);
477
478int EVP_MD_CTX_copy(EVP_MD_CTX *out,const EVP_MD_CTX *in);
479int EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type);
480int EVP_DigestFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s);
481
482int EVP_read_pw_string(char *buf,int length,const char *prompt,int verify);
483void EVP_set_pw_prompt(char *prompt);
484char * EVP_get_pw_prompt(void);
485
486int EVP_BytesToKey(const EVP_CIPHER *type,const EVP_MD *md,
487 const unsigned char *salt, const unsigned char *data,
488 int datal, int count, unsigned char *key,unsigned char *iv);
489
490int EVP_EncryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher,
491 const unsigned char *key, const unsigned char *iv);
492int EVP_EncryptInit_ex(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher, ENGINE *impl,
493 const unsigned char *key, const unsigned char *iv);
494int EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
495 int *outl, const unsigned char *in, int inl);
496int EVP_EncryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
497int EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
498
499int EVP_DecryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher,
500 const unsigned char *key, const unsigned char *iv);
501int EVP_DecryptInit_ex(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher, ENGINE *impl,
502 const unsigned char *key, const unsigned char *iv);
503int EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
504 int *outl, const unsigned char *in, int inl);
505int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
506int EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
507
508int EVP_CipherInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher,
509 const unsigned char *key,const unsigned char *iv,
510 int enc);
511int EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher, ENGINE *impl,
512 const unsigned char *key,const unsigned char *iv,
513 int enc);
514int EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
515 int *outl, const unsigned char *in, int inl);
516int EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
517int EVP_CipherFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
518
519int EVP_SignFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s,
520 EVP_PKEY *pkey);
521
522int EVP_VerifyFinal(EVP_MD_CTX *ctx,unsigned char *sigbuf,
523 unsigned int siglen,EVP_PKEY *pkey);
524
525int EVP_OpenInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,unsigned char *ek,
526 int ekl,unsigned char *iv,EVP_PKEY *priv);
527int EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
528
529int EVP_SealInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type, unsigned char **ek,
530 int *ekl, unsigned char *iv,EVP_PKEY **pubk, int npubk);
531int EVP_SealFinal(EVP_CIPHER_CTX *ctx,unsigned char *out,int *outl);
532
533void EVP_EncodeInit(EVP_ENCODE_CTX *ctx);
534void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,
535 int *outl,unsigned char *in,int inl);
536void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl);
537int EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int n);
538
539void EVP_DecodeInit(EVP_ENCODE_CTX *ctx);
540int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl,
541 unsigned char *in, int inl);
542int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned
543 char *out, int *outl);
544int EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n);
545
546void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *a);
547int EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *a);
548int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *x, int keylen);
549int EVP_CIPHER_CTX_set_padding(EVP_CIPHER_CTX *c, int pad);
550int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr);
551
552#ifndef OPENSSL_NO_BIO
553BIO_METHOD *BIO_f_md(void);
554BIO_METHOD *BIO_f_base64(void);
555BIO_METHOD *BIO_f_cipher(void);
556BIO_METHOD *BIO_f_reliable(void);
557void BIO_set_cipher(BIO *b,const EVP_CIPHER *c,unsigned char *k,
558 unsigned char *i, int enc);
559#endif
560
561const EVP_MD *EVP_md_null(void);
562#ifndef OPENSSL_NO_MD2
563const EVP_MD *EVP_md2(void);
564#endif
565#ifndef OPENSSL_NO_MD4
566const EVP_MD *EVP_md4(void);
567#endif
568#ifndef OPENSSL_NO_MD5
569const EVP_MD *EVP_md5(void);
570#endif
571#ifndef OPENSSL_NO_SHA
572const EVP_MD *EVP_sha(void);
573const EVP_MD *EVP_sha1(void);
574const EVP_MD *EVP_dss(void);
575const EVP_MD *EVP_dss1(void);
576#endif
577#ifndef OPENSSL_NO_MDC2
578const EVP_MD *EVP_mdc2(void);
579#endif
580#ifndef OPENSSL_NO_RIPEMD
581const EVP_MD *EVP_ripemd160(void);
582#endif
583const EVP_CIPHER *EVP_enc_null(void); /* does nothing :-) */
584#ifndef OPENSSL_NO_DES
585const EVP_CIPHER *EVP_des_ecb(void);
586const EVP_CIPHER *EVP_des_ede(void);
587const EVP_CIPHER *EVP_des_ede3(void);
588const EVP_CIPHER *EVP_des_ede_ecb(void);
589const EVP_CIPHER *EVP_des_ede3_ecb(void);
590const EVP_CIPHER *EVP_des_cfb(void);
591const EVP_CIPHER *EVP_des_ede_cfb(void);
592const EVP_CIPHER *EVP_des_ede3_cfb(void);
593const EVP_CIPHER *EVP_des_ofb(void);
594const EVP_CIPHER *EVP_des_ede_ofb(void);
595const EVP_CIPHER *EVP_des_ede3_ofb(void);
596const EVP_CIPHER *EVP_des_cbc(void);
597const EVP_CIPHER *EVP_des_ede_cbc(void);
598const EVP_CIPHER *EVP_des_ede3_cbc(void);
599const EVP_CIPHER *EVP_desx_cbc(void);
600/* This should now be supported through the dev_crypto ENGINE. But also, why are
601 * rc4 and md5 declarations made here inside a "NO_DES" precompiler branch? */
602#if 0
603# ifdef OPENSSL_OPENBSD_DEV_CRYPTO
604const EVP_CIPHER *EVP_dev_crypto_des_ede3_cbc(void);
605const EVP_CIPHER *EVP_dev_crypto_rc4(void);
606const EVP_MD *EVP_dev_crypto_md5(void);
607# endif
608#endif
609#endif
610#ifndef OPENSSL_NO_RC4
611const EVP_CIPHER *EVP_rc4(void);
612const EVP_CIPHER *EVP_rc4_40(void);
613#endif
614#ifndef OPENSSL_NO_IDEA
615const EVP_CIPHER *EVP_idea_ecb(void);
616const EVP_CIPHER *EVP_idea_cfb(void);
617const EVP_CIPHER *EVP_idea_ofb(void);
618const EVP_CIPHER *EVP_idea_cbc(void);
619#endif
620#ifndef OPENSSL_NO_RC2
621const EVP_CIPHER *EVP_rc2_ecb(void);
622const EVP_CIPHER *EVP_rc2_cbc(void);
623const EVP_CIPHER *EVP_rc2_40_cbc(void);
624const EVP_CIPHER *EVP_rc2_64_cbc(void);
625const EVP_CIPHER *EVP_rc2_cfb(void);
626const EVP_CIPHER *EVP_rc2_ofb(void);
627#endif
628#ifndef OPENSSL_NO_BF
629const EVP_CIPHER *EVP_bf_ecb(void);
630const EVP_CIPHER *EVP_bf_cbc(void);
631const EVP_CIPHER *EVP_bf_cfb(void);
632const EVP_CIPHER *EVP_bf_ofb(void);
633#endif
634#ifndef OPENSSL_NO_CAST
635const EVP_CIPHER *EVP_cast5_ecb(void);
636const EVP_CIPHER *EVP_cast5_cbc(void);
637const EVP_CIPHER *EVP_cast5_cfb(void);
638const EVP_CIPHER *EVP_cast5_ofb(void);
639#endif
640#ifndef OPENSSL_NO_RC5
641const EVP_CIPHER *EVP_rc5_32_12_16_cbc(void);
642const EVP_CIPHER *EVP_rc5_32_12_16_ecb(void);
643const EVP_CIPHER *EVP_rc5_32_12_16_cfb(void);
644const EVP_CIPHER *EVP_rc5_32_12_16_ofb(void);
645#endif
646#ifndef OPENSSL_NO_AES
647const EVP_CIPHER *EVP_aes_128_ecb(void);
648const EVP_CIPHER *EVP_aes_128_cbc(void);
649const EVP_CIPHER *EVP_aes_128_cfb(void);
650const EVP_CIPHER *EVP_aes_128_ofb(void);
651#if 0
652const EVP_CIPHER *EVP_aes_128_ctr(void);
653#endif
654const EVP_CIPHER *EVP_aes_192_ecb(void);
655const EVP_CIPHER *EVP_aes_192_cbc(void);
656const EVP_CIPHER *EVP_aes_192_cfb(void);
657const EVP_CIPHER *EVP_aes_192_ofb(void);
658#if 0
659const EVP_CIPHER *EVP_aes_192_ctr(void);
660#endif
661const EVP_CIPHER *EVP_aes_256_ecb(void);
662const EVP_CIPHER *EVP_aes_256_cbc(void);
663const EVP_CIPHER *EVP_aes_256_cfb(void);
664const EVP_CIPHER *EVP_aes_256_ofb(void);
665#if 0
666const EVP_CIPHER *EVP_aes_256_ctr(void);
667#endif
668#endif
669#ifndef OPENSSL_NO_ACSS
670const EVP_CIPHER *EVP_acss(void);
671#endif
672
673void OPENSSL_add_all_algorithms_noconf(void);
674void OPENSSL_add_all_algorithms_conf(void);
675
676#ifdef OPENSSL_LOAD_CONF
677#define OpenSSL_add_all_algorithms() \
678 OPENSSL_add_all_algorithms_conf()
679#else
680#define OpenSSL_add_all_algorithms() \
681 OPENSSL_add_all_algorithms_noconf()
682#endif
683
684void OpenSSL_add_all_ciphers(void);
685void OpenSSL_add_all_digests(void);
686#define SSLeay_add_all_algorithms() OpenSSL_add_all_algorithms()
687#define SSLeay_add_all_ciphers() OpenSSL_add_all_ciphers()
688#define SSLeay_add_all_digests() OpenSSL_add_all_digests()
689
690int EVP_add_cipher(const EVP_CIPHER *cipher);
691int EVP_add_digest(const EVP_MD *digest);
692
693const EVP_CIPHER *EVP_get_cipherbyname(const char *name);
694const EVP_MD *EVP_get_digestbyname(const char *name);
695void EVP_cleanup(void);
696
697int EVP_PKEY_decrypt(unsigned char *dec_key,unsigned char *enc_key,
698 int enc_key_len,EVP_PKEY *private_key);
699int EVP_PKEY_encrypt(unsigned char *enc_key,
700 unsigned char *key,int key_len,EVP_PKEY *pub_key);
701int EVP_PKEY_type(int type);
702int EVP_PKEY_bits(EVP_PKEY *pkey);
703int EVP_PKEY_size(EVP_PKEY *pkey);
704int EVP_PKEY_assign(EVP_PKEY *pkey,int type,char *key);
705
706#ifndef OPENSSL_NO_RSA
707struct rsa_st;
708int EVP_PKEY_set1_RSA(EVP_PKEY *pkey,struct rsa_st *key);
709struct rsa_st *EVP_PKEY_get1_RSA(EVP_PKEY *pkey);
710#endif
711#ifndef OPENSSL_NO_DSA
712struct dsa_st;
713int EVP_PKEY_set1_DSA(EVP_PKEY *pkey,struct dsa_st *key);
714struct dsa_st *EVP_PKEY_get1_DSA(EVP_PKEY *pkey);
715#endif
716#ifndef OPENSSL_NO_DH
717struct dh_st;
718int EVP_PKEY_set1_DH(EVP_PKEY *pkey,struct dh_st *key);
719struct dh_st *EVP_PKEY_get1_DH(EVP_PKEY *pkey);
720#endif
721
722
723EVP_PKEY * EVP_PKEY_new(void);
724void EVP_PKEY_free(EVP_PKEY *pkey);
725EVP_PKEY * d2i_PublicKey(int type,EVP_PKEY **a, unsigned char **pp,
726 long length);
727int i2d_PublicKey(EVP_PKEY *a, unsigned char **pp);
728
729EVP_PKEY * d2i_PrivateKey(int type,EVP_PKEY **a, unsigned char **pp,
730 long length);
731EVP_PKEY * d2i_AutoPrivateKey(EVP_PKEY **a, unsigned char **pp,
732 long length);
733int i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp);
734
735int EVP_PKEY_copy_parameters(EVP_PKEY *to,EVP_PKEY *from);
736int EVP_PKEY_missing_parameters(EVP_PKEY *pkey);
737int EVP_PKEY_save_parameters(EVP_PKEY *pkey,int mode);
738int EVP_PKEY_cmp_parameters(EVP_PKEY *a,EVP_PKEY *b);
739
740int EVP_CIPHER_type(const EVP_CIPHER *ctx);
741
742/* calls methods */
743int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
744int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
745
746/* These are used by EVP_CIPHER methods */
747int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type);
748int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type);
749
750/* PKCS5 password based encryption */
751int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
752 ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md,
753 int en_de);
754int PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen,
755 unsigned char *salt, int saltlen, int iter,
756 int keylen, unsigned char *out);
757int PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
758 ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md,
759 int en_de);
760
761void PKCS5_PBE_add(void);
762
763int EVP_PBE_CipherInit (ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
764 ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de);
765int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md,
766 EVP_PBE_KEYGEN *keygen);
767void EVP_PBE_cleanup(void);
768
769/* BEGIN ERROR CODES */
770/* The following lines are auto generated by the script mkerr.pl. Any changes
771 * made after this point may be overwritten when the script is next run.
772 */
773void ERR_load_EVP_strings(void);
774
775/* Error codes for the EVP functions. */
776
777/* Function codes. */
778#define EVP_F_D2I_PKEY 100
779#define EVP_F_EVP_CIPHERINIT 123
780#define EVP_F_EVP_CIPHER_CTX_CTRL 124
781#define EVP_F_EVP_CIPHER_CTX_SET_KEY_LENGTH 122
782#define EVP_F_EVP_DECRYPTFINAL 101
783#define EVP_F_EVP_DIGESTINIT 128
784#define EVP_F_EVP_ENCRYPTFINAL 127
785#define EVP_F_EVP_MD_CTX_COPY 110
786#define EVP_F_EVP_OPENINIT 102
787#define EVP_F_EVP_PBE_ALG_ADD 115
788#define EVP_F_EVP_PBE_CIPHERINIT 116
789#define EVP_F_EVP_PKCS82PKEY 111
790#define EVP_F_EVP_PKCS8_SET_BROKEN 112
791#define EVP_F_EVP_PKEY2PKCS8 113
792#define EVP_F_EVP_PKEY_COPY_PARAMETERS 103
793#define EVP_F_EVP_PKEY_DECRYPT 104
794#define EVP_F_EVP_PKEY_ENCRYPT 105
795#define EVP_F_EVP_PKEY_GET1_DH 119
796#define EVP_F_EVP_PKEY_GET1_DSA 120
797#define EVP_F_EVP_PKEY_GET1_RSA 121
798#define EVP_F_EVP_PKEY_NEW 106
799#define EVP_F_EVP_RIJNDAEL 126
800#define EVP_F_EVP_SIGNFINAL 107
801#define EVP_F_EVP_VERIFYFINAL 108
802#define EVP_F_PKCS5_PBE_KEYIVGEN 117
803#define EVP_F_PKCS5_V2_PBE_KEYIVGEN 118
804#define EVP_F_RC2_MAGIC_TO_METH 109
805#define EVP_F_RC5_CTRL 125
806
807/* Reason codes. */
808#define EVP_R_BAD_BLOCK_LENGTH 136
809#define EVP_R_BAD_DECRYPT 100
810#define EVP_R_BAD_KEY_LENGTH 137
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_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH 138
817#define EVP_R_DECODE_ERROR 114
818#define EVP_R_DIFFERENT_KEY_TYPES 101
819#define EVP_R_ENCODE_ERROR 115
820#define EVP_R_EVP_PBE_CIPHERINIT_ERROR 119
821#define EVP_R_EXPECTING_AN_RSA_KEY 127
822#define EVP_R_EXPECTING_A_DH_KEY 128
823#define EVP_R_EXPECTING_A_DSA_KEY 129
824#define EVP_R_INITIALIZATION_ERROR 134
825#define EVP_R_INPUT_NOT_INITIALIZED 111
826#define EVP_R_INVALID_KEY_LENGTH 130
827#define EVP_R_IV_TOO_LARGE 102
828#define EVP_R_KEYGEN_FAILURE 120
829#define EVP_R_MISSING_PARAMETERS 103
830#define EVP_R_NO_CIPHER_SET 131
831#define EVP_R_NO_DIGEST_SET 139
832#define EVP_R_NO_DSA_PARAMETERS 116
833#define EVP_R_NO_SIGN_FUNCTION_CONFIGURED 104
834#define EVP_R_NO_VERIFY_FUNCTION_CONFIGURED 105
835#define EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE 117
836#define EVP_R_PUBLIC_KEY_NOT_RSA 106
837#define EVP_R_UNKNOWN_PBE_ALGORITHM 121
838#define EVP_R_UNSUPORTED_NUMBER_OF_ROUNDS 135
839#define EVP_R_UNSUPPORTED_CIPHER 107
840#define EVP_R_UNSUPPORTED_KEYLENGTH 123
841#define EVP_R_UNSUPPORTED_KEY_DERIVATION_FUNCTION 124
842#define EVP_R_UNSUPPORTED_KEY_SIZE 108
843#define EVP_R_UNSUPPORTED_PRF 125
844#define EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM 118
845#define EVP_R_UNSUPPORTED_SALT_TYPE 126
846#define EVP_R_WRONG_FINAL_BLOCK_LENGTH 109
847#define EVP_R_WRONG_PUBLIC_KEY_TYPE 110
848
849#ifdef __cplusplus
850}
851#endif
852#endif
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-03-20 22:42:45 +0000