summaryrefslogtreecommitdiff
path: root/libressl/include/openssl/pkcs7.h
blob: cff7c96659b04f35f3c88ae097e4637bbc3f113e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
/* $OpenBSD: pkcs7.h,v 1.18 2016/12/27 16:12:47 jsing Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young (eay@cryptsoft.com).
 * The implementation was written so as to conform with Netscapes SSL.
 *
 * This library is free for commercial and non-commercial use as long as
 * the following conditions are aheared to.  The following conditions
 * apply to all code found in this distribution, be it the RC4, RSA,
 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
 * included with this distribution is covered by the same copyright terms
 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
 *
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed.
 * If this package is used in a product, Eric Young should be given attribution
 * as the author of the parts of the library used.
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *    "This product includes cryptographic software written by
 *     Eric Young (eay@cryptsoft.com)"
 *    The word 'cryptographic' can be left out if the rouines from the library
 *    being used are not cryptographic related :-).
 * 4. If you include any Windows specific code (or a derivative thereof) from
 *    the apps directory (application code) you must include an acknowledgement:
 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
 *
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.  i.e. this code cannot simply be
 * copied and put under another distribution licence
 * [including the GNU Public Licence.]
 */

#ifndef HEADER_PKCS7_H
#define HEADER_PKCS7_H

#include <openssl/opensslconf.h>

#include <openssl/asn1.h>
#include <openssl/bio.h>
#include <openssl/ossl_typ.h>

#ifdef  __cplusplus
extern "C" {
#endif

#if defined(_WIN32) && defined(__WINCRYPT_H__)
#ifndef LIBRESSL_INTERNAL
#ifdef _MSC_VER
#pragma message("Warning, overriding WinCrypt defines")
#else
#warning overriding WinCrypt defines
#endif
#endif
#undef PKCS7_ISSUER_AND_SERIAL
#undef PKCS7_SIGNER_INFO
#endif

/*
Encryption_ID		DES-CBC
Digest_ID		MD5
Digest_Encryption_ID	rsaEncryption
Key_Encryption_ID	rsaEncryption
*/

typedef struct pkcs7_issuer_and_serial_st {
	X509_NAME *issuer;
	ASN1_INTEGER *serial;
} PKCS7_ISSUER_AND_SERIAL;

typedef struct pkcs7_signer_info_st {
	ASN1_INTEGER 			*version;	/* version 1 */
	PKCS7_ISSUER_AND_SERIAL		*issuer_and_serial;
	X509_ALGOR			*digest_alg;
	STACK_OF(X509_ATTRIBUTE)	*auth_attr;	/* [ 0 ] */
	X509_ALGOR			*digest_enc_alg;
	ASN1_OCTET_STRING		*enc_digest;
	STACK_OF(X509_ATTRIBUTE)	*unauth_attr;	/* [ 1 ] */

	/* The private key to sign with */
	EVP_PKEY			*pkey;
} PKCS7_SIGNER_INFO;

DECLARE_STACK_OF(PKCS7_SIGNER_INFO)

typedef struct pkcs7_recip_info_st {
	ASN1_INTEGER			*version;	/* version 0 */
	PKCS7_ISSUER_AND_SERIAL		*issuer_and_serial;
	X509_ALGOR			*key_enc_algor;
	ASN1_OCTET_STRING		*enc_key;
	X509				*cert; /* get the pub-key from this */
} PKCS7_RECIP_INFO;

DECLARE_STACK_OF(PKCS7_RECIP_INFO)

typedef struct pkcs7_signed_st {
	ASN1_INTEGER			*version;	/* version 1 */
	STACK_OF(X509_ALGOR)		*md_algs;	/* md used */
	STACK_OF(X509)			*cert;		/* [ 0 ] */
	STACK_OF(X509_CRL)		*crl;		/* [ 1 ] */
	STACK_OF(PKCS7_SIGNER_INFO)	*signer_info;

	struct pkcs7_st			*contents;
} PKCS7_SIGNED;
/* The above structure is very very similar to PKCS7_SIGN_ENVELOPE.
 * How about merging the two */

typedef struct pkcs7_enc_content_st {
	ASN1_OBJECT			*content_type;
	X509_ALGOR			*algorithm;
	ASN1_OCTET_STRING		*enc_data;	/* [ 0 ] */
	const EVP_CIPHER		*cipher;
} PKCS7_ENC_CONTENT;

typedef struct pkcs7_enveloped_st {
	ASN1_INTEGER			*version;	/* version 0 */
	STACK_OF(PKCS7_RECIP_INFO)	*recipientinfo;
	PKCS7_ENC_CONTENT		*enc_data;
} PKCS7_ENVELOPE;

typedef struct pkcs7_signedandenveloped_st {
	ASN1_INTEGER			*version;	/* version 1 */
	STACK_OF(X509_ALGOR)		*md_algs;	/* md used */
	STACK_OF(X509)			*cert;		/* [ 0 ] */
	STACK_OF(X509_CRL)		*crl;		/* [ 1 ] */
	STACK_OF(PKCS7_SIGNER_INFO)	*signer_info;

	PKCS7_ENC_CONTENT		*enc_data;
	STACK_OF(PKCS7_RECIP_INFO)	*recipientinfo;
} PKCS7_SIGN_ENVELOPE;

typedef struct pkcs7_digest_st {
	ASN1_INTEGER			*version;	/* version 0 */
	X509_ALGOR			*md;		/* md used */
	struct pkcs7_st 		*contents;
	ASN1_OCTET_STRING		*digest;
} PKCS7_DIGEST;

typedef struct pkcs7_encrypted_st {
	ASN1_INTEGER			*version;	/* version 0 */
	PKCS7_ENC_CONTENT		*enc_data;
} PKCS7_ENCRYPT;

typedef struct pkcs7_st {
	/* The following is non NULL if it contains ASN1 encoding of
	 * this structure */
	unsigned char *asn1;
	long length;

#define PKCS7_S_HEADER	0
#define PKCS7_S_BODY	1
#define PKCS7_S_TAIL	2
	int state; /* used during processing */

	int detached;

	ASN1_OBJECT *type;
	/* content as defined by the type */
	/* all encryption/message digests are applied to the 'contents',
	 * leaving out the 'type' field. */
	union	{
		char *ptr;

		/* NID_pkcs7_data */
		ASN1_OCTET_STRING *data;

		/* NID_pkcs7_signed */
		PKCS7_SIGNED *sign;

		/* NID_pkcs7_enveloped */
		PKCS7_ENVELOPE *enveloped;

		/* NID_pkcs7_signedAndEnveloped */
		PKCS7_SIGN_ENVELOPE *signed_and_enveloped;

		/* NID_pkcs7_digest */
		PKCS7_DIGEST *digest;

		/* NID_pkcs7_encrypted */
		PKCS7_ENCRYPT *encrypted;

		/* Anything else */
		ASN1_TYPE *other;
	} d;
} PKCS7;

DECLARE_STACK_OF(PKCS7)
DECLARE_PKCS12_STACK_OF(PKCS7)

#define PKCS7_OP_SET_DETACHED_SIGNATURE	1
#define PKCS7_OP_GET_DETACHED_SIGNATURE	2

#define PKCS7_get_signed_attributes(si)	((si)->auth_attr)
#define PKCS7_get_attributes(si)	((si)->unauth_attr)

#define PKCS7_type_is_signed(a) (OBJ_obj2nid((a)->type) == NID_pkcs7_signed)
#define PKCS7_type_is_encrypted(a) (OBJ_obj2nid((a)->type) == NID_pkcs7_encrypted)
#define PKCS7_type_is_enveloped(a) (OBJ_obj2nid((a)->type) == NID_pkcs7_enveloped)
#define PKCS7_type_is_signedAndEnveloped(a) \
		(OBJ_obj2nid((a)->type) == NID_pkcs7_signedAndEnveloped)
#define PKCS7_type_is_data(a)   (OBJ_obj2nid((a)->type) == NID_pkcs7_data)
#define PKCS7_type_is_digest(a)   (OBJ_obj2nid((a)->type) == NID_pkcs7_digest)
#define PKCS7_type_is_encrypted(a) \
		(OBJ_obj2nid((a)->type) == NID_pkcs7_encrypted)

#define PKCS7_type_is_digest(a)   (OBJ_obj2nid((a)->type) == NID_pkcs7_digest)

#define PKCS7_set_detached(p,v) \
		PKCS7_ctrl(p,PKCS7_OP_SET_DETACHED_SIGNATURE,v,NULL)
#define PKCS7_get_detached(p) \
		PKCS7_ctrl(p,PKCS7_OP_GET_DETACHED_SIGNATURE,0,NULL)

#define PKCS7_is_detached(p7) (PKCS7_type_is_signed(p7) && PKCS7_get_detached(p7))

/* S/MIME related flags */

#define PKCS7_TEXT		0x1
#define PKCS7_NOCERTS		0x2
#define PKCS7_NOSIGS		0x4
#define PKCS7_NOCHAIN		0x8
#define PKCS7_NOINTERN		0x10
#define PKCS7_NOVERIFY		0x20
#define PKCS7_DETACHED		0x40
#define PKCS7_BINARY		0x80
#define PKCS7_NOATTR		0x100
#define	PKCS7_NOSMIMECAP	0x200
#define PKCS7_NOOLDMIMETYPE	0x400
#define PKCS7_CRLFEOL		0x800
#define PKCS7_STREAM		0x1000
#define PKCS7_NOCRL		0x2000
#define PKCS7_PARTIAL		0x4000
#define PKCS7_REUSE_DIGEST	0x8000

/* Flags: for compatibility with older code */

#define SMIME_TEXT	PKCS7_TEXT
#define SMIME_NOCERTS	PKCS7_NOCERTS
#define SMIME_NOSIGS	PKCS7_NOSIGS
#define SMIME_NOCHAIN	PKCS7_NOCHAIN
#define SMIME_NOINTERN	PKCS7_NOINTERN
#define SMIME_NOVERIFY	PKCS7_NOVERIFY
#define SMIME_DETACHED	PKCS7_DETACHED
#define SMIME_BINARY	PKCS7_BINARY
#define SMIME_NOATTR	PKCS7_NOATTR

PKCS7_ISSUER_AND_SERIAL *PKCS7_ISSUER_AND_SERIAL_new(void);
void PKCS7_ISSUER_AND_SERIAL_free(PKCS7_ISSUER_AND_SERIAL *a);
PKCS7_ISSUER_AND_SERIAL *d2i_PKCS7_ISSUER_AND_SERIAL(PKCS7_ISSUER_AND_SERIAL **a, const unsigned char **in, long len);
int i2d_PKCS7_ISSUER_AND_SERIAL(PKCS7_ISSUER_AND_SERIAL *a, unsigned char **out);
extern const ASN1_ITEM PKCS7_ISSUER_AND_SERIAL_it;

int PKCS7_ISSUER_AND_SERIAL_digest(PKCS7_ISSUER_AND_SERIAL *data,
    const EVP_MD *type, unsigned char *md, unsigned int *len);
PKCS7 *d2i_PKCS7_fp(FILE *fp, PKCS7 **p7);
int i2d_PKCS7_fp(FILE *fp, PKCS7 *p7);
PKCS7 *PKCS7_dup(PKCS7 *p7);
PKCS7 *d2i_PKCS7_bio(BIO *bp, PKCS7 **p7);
int i2d_PKCS7_bio(BIO *bp, PKCS7 *p7);
int i2d_PKCS7_bio_stream(BIO *out, PKCS7 *p7, BIO *in, int flags);
int PEM_write_bio_PKCS7_stream(BIO *out, PKCS7 *p7, BIO *in, int flags);

PKCS7_SIGNER_INFO *PKCS7_SIGNER_INFO_new(void);
void PKCS7_SIGNER_INFO_free(PKCS7_SIGNER_INFO *a);
PKCS7_SIGNER_INFO *d2i_PKCS7_SIGNER_INFO(PKCS7_SIGNER_INFO **a, const unsigned char **in, long len);
int i2d_PKCS7_SIGNER_INFO(PKCS7_SIGNER_INFO *a, unsigned char **out);
extern const ASN1_ITEM PKCS7_SIGNER_INFO_it;
PKCS7_RECIP_INFO *PKCS7_RECIP_INFO_new(void);
void PKCS7_RECIP_INFO_free(PKCS7_RECIP_INFO *a);
PKCS7_RECIP_INFO *d2i_PKCS7_RECIP_INFO(PKCS7_RECIP_INFO **a, const unsigned char **in, long len);
int i2d_PKCS7_RECIP_INFO(PKCS7_RECIP_INFO *a, unsigned char **out);
extern const ASN1_ITEM PKCS7_RECIP_INFO_it;
PKCS7_SIGNED *PKCS7_SIGNED_new(void);
void PKCS7_SIGNED_free(PKCS7_SIGNED *a);
PKCS7_SIGNED *d2i_PKCS7_SIGNED(PKCS7_SIGNED **a, const unsigned char **in, long len);
int i2d_PKCS7_SIGNED(PKCS7_SIGNED *a, unsigned char **out);
extern const ASN1_ITEM PKCS7_SIGNED_it;
PKCS7_ENC_CONTENT *PKCS7_ENC_CONTENT_new(void);
void PKCS7_ENC_CONTENT_free(PKCS7_ENC_CONTENT *a);
PKCS7_ENC_CONTENT *d2i_PKCS7_ENC_CONTENT(PKCS7_ENC_CONTENT **a, const unsigned char **in, long len);
int i2d_PKCS7_ENC_CONTENT(PKCS7_ENC_CONTENT *a, unsigned char **out);
extern const ASN1_ITEM PKCS7_ENC_CONTENT_it;
PKCS7_ENVELOPE *PKCS7_ENVELOPE_new(void);
void PKCS7_ENVELOPE_free(PKCS7_ENVELOPE *a);
PKCS7_ENVELOPE *d2i_PKCS7_ENVELOPE(PKCS7_ENVELOPE **a, const unsigned char **in, long len);
int i2d_PKCS7_ENVELOPE(PKCS7_ENVELOPE *a, unsigned char **out);
extern const ASN1_ITEM PKCS7_ENVELOPE_it;
PKCS7_SIGN_ENVELOPE *PKCS7_SIGN_ENVELOPE_new(void);
void PKCS7_SIGN_ENVELOPE_free(PKCS7_SIGN_ENVELOPE *a);
PKCS7_SIGN_ENVELOPE *d2i_PKCS7_SIGN_ENVELOPE(PKCS7_SIGN_ENVELOPE **a, const unsigned char **in, long len);
int i2d_PKCS7_SIGN_ENVELOPE(PKCS7_SIGN_ENVELOPE *a, unsigned char **out);
extern const ASN1_ITEM PKCS7_SIGN_ENVELOPE_it;
PKCS7_DIGEST *PKCS7_DIGEST_new(void);
void PKCS7_DIGEST_free(PKCS7_DIGEST *a);
PKCS7_DIGEST *d2i_PKCS7_DIGEST(PKCS7_DIGEST **a, const unsigned char **in, long len);
int i2d_PKCS7_DIGEST(PKCS7_DIGEST *a, unsigned char **out);
extern const ASN1_ITEM PKCS7_DIGEST_it;
PKCS7_ENCRYPT *PKCS7_ENCRYPT_new(void);
void PKCS7_ENCRYPT_free(PKCS7_ENCRYPT *a);
PKCS7_ENCRYPT *d2i_PKCS7_ENCRYPT(PKCS7_ENCRYPT **a, const unsigned char **in, long len);
int i2d_PKCS7_ENCRYPT(PKCS7_ENCRYPT *a, unsigned char **out);
extern const ASN1_ITEM PKCS7_ENCRYPT_it;
PKCS7 *PKCS7_new(void);
void PKCS7_free(PKCS7 *a);
PKCS7 *d2i_PKCS7(PKCS7 **a, const unsigned char **in, long len);
int i2d_PKCS7(PKCS7 *a, unsigned char **out);
extern const ASN1_ITEM PKCS7_it;

extern const ASN1_ITEM PKCS7_ATTR_SIGN_it;
extern const ASN1_ITEM PKCS7_ATTR_VERIFY_it;

int i2d_PKCS7_NDEF(PKCS7 *a, unsigned char **out);
int PKCS7_print_ctx(BIO *out, PKCS7 *x, int indent, const ASN1_PCTX *pctx);

long PKCS7_ctrl(PKCS7 *p7, int cmd, long larg, char *parg);

int PKCS7_set_type(PKCS7 *p7, int type);
int PKCS7_set0_type_other(PKCS7 *p7, int type, ASN1_TYPE *other);
int PKCS7_set_content(PKCS7 *p7, PKCS7 *p7_data);
int PKCS7_SIGNER_INFO_set(PKCS7_SIGNER_INFO *p7i, X509 *x509, EVP_PKEY *pkey,
    const EVP_MD *dgst);
int PKCS7_SIGNER_INFO_sign(PKCS7_SIGNER_INFO *si);
int PKCS7_add_signer(PKCS7 *p7, PKCS7_SIGNER_INFO *p7i);
int PKCS7_add_certificate(PKCS7 *p7, X509 *x509);
int PKCS7_add_crl(PKCS7 *p7, X509_CRL *x509);
int PKCS7_content_new(PKCS7 *p7, int nid);
int PKCS7_dataVerify(X509_STORE *cert_store, X509_STORE_CTX *ctx,
    BIO *bio, PKCS7 *p7, PKCS7_SIGNER_INFO *si);
int PKCS7_signatureVerify(BIO *bio, PKCS7 *p7, PKCS7_SIGNER_INFO *si,
    X509 *x509);

BIO *PKCS7_dataInit(PKCS7 *p7, BIO *bio);
int PKCS7_dataFinal(PKCS7 *p7, BIO *bio);
BIO *PKCS7_dataDecode(PKCS7 *p7, EVP_PKEY *pkey, BIO *in_bio, X509 *pcert);


PKCS7_SIGNER_INFO *PKCS7_add_signature(PKCS7 *p7, X509 *x509,
    EVP_PKEY *pkey, const EVP_MD *dgst);
X509 *PKCS7_cert_from_signer_info(PKCS7 *p7, PKCS7_SIGNER_INFO *si);
int PKCS7_set_digest(PKCS7 *p7, const EVP_MD *md);
STACK_OF(PKCS7_SIGNER_INFO) *PKCS7_get_signer_info(PKCS7 *p7);

PKCS7_RECIP_INFO *PKCS7_add_recipient(PKCS7 *p7, X509 *x509);
void PKCS7_SIGNER_INFO_get0_algs(PKCS7_SIGNER_INFO *si, EVP_PKEY **pk,
    X509_ALGOR **pdig, X509_ALGOR **psig);
void PKCS7_RECIP_INFO_get0_alg(PKCS7_RECIP_INFO *ri, X509_ALGOR **penc);
int PKCS7_add_recipient_info(PKCS7 *p7, PKCS7_RECIP_INFO *ri);
int PKCS7_RECIP_INFO_set(PKCS7_RECIP_INFO *p7i, X509 *x509);
int PKCS7_set_cipher(PKCS7 *p7, const EVP_CIPHER *cipher);
int PKCS7_stream(unsigned char ***boundary, PKCS7 *p7);

PKCS7_ISSUER_AND_SERIAL *PKCS7_get_issuer_and_serial(PKCS7 *p7, int idx);
ASN1_OCTET_STRING *PKCS7_digest_from_attributes(STACK_OF(X509_ATTRIBUTE) *sk);
int PKCS7_add_signed_attribute(PKCS7_SIGNER_INFO *p7si, int nid, int type,
    void *data);
int PKCS7_add_attribute (PKCS7_SIGNER_INFO *p7si, int nid, int atrtype,
    void *value);
ASN1_TYPE *PKCS7_get_attribute(PKCS7_SIGNER_INFO *si, int nid);
ASN1_TYPE *PKCS7_get_signed_attribute(PKCS7_SIGNER_INFO *si, int nid);
int PKCS7_set_signed_attributes(PKCS7_SIGNER_INFO *p7si,
    STACK_OF(X509_ATTRIBUTE) *sk);
int PKCS7_set_attributes(PKCS7_SIGNER_INFO *p7si, STACK_OF(X509_ATTRIBUTE) *sk);


PKCS7 *PKCS7_sign(X509 *signcert, EVP_PKEY *pkey, STACK_OF(X509) *certs,
    BIO *data, int flags);

PKCS7_SIGNER_INFO *PKCS7_sign_add_signer(PKCS7 *p7,
    X509 *signcert, EVP_PKEY *pkey, const EVP_MD *md,
    int flags);

int PKCS7_final(PKCS7 *p7, BIO *data, int flags);
int PKCS7_verify(PKCS7 *p7, STACK_OF(X509) *certs, X509_STORE *store,
    BIO *indata, BIO *out, int flags);
STACK_OF(X509) *PKCS7_get0_signers(PKCS7 *p7, STACK_OF(X509) *certs, int flags);
PKCS7 *PKCS7_encrypt(STACK_OF(X509) *certs, BIO *in, const EVP_CIPHER *cipher,
    int flags);
int PKCS7_decrypt(PKCS7 *p7, EVP_PKEY *pkey, X509 *cert, BIO *data, int flags);

int PKCS7_add_attrib_smimecap(PKCS7_SIGNER_INFO *si,
    STACK_OF(X509_ALGOR) *cap);
STACK_OF(X509_ALGOR) *PKCS7_get_smimecap(PKCS7_SIGNER_INFO *si);
int PKCS7_simple_smimecap(STACK_OF(X509_ALGOR) *sk, int nid, int arg);

int PKCS7_add_attrib_content_type(PKCS7_SIGNER_INFO *si, ASN1_OBJECT *coid);
int PKCS7_add0_attrib_signing_time(PKCS7_SIGNER_INFO *si, ASN1_TIME *t);
int PKCS7_add1_attrib_digest(PKCS7_SIGNER_INFO *si,
    const unsigned char *md, int mdlen);

int SMIME_write_PKCS7(BIO *bio, PKCS7 *p7, BIO *data, int flags);
PKCS7 *SMIME_read_PKCS7(BIO *bio, BIO **bcont);

BIO *BIO_new_PKCS7(BIO *out, PKCS7 *p7);


/* BEGIN ERROR CODES */
/* The following lines are auto generated by the script mkerr.pl. Any changes
 * made after this point may be overwritten when the script is next run.
 */
void ERR_load_PKCS7_strings(void);

/* Error codes for the PKCS7 functions. */

/* Function codes. */
#define PKCS7_F_B64_READ_PKCS7				 120
#define PKCS7_F_B64_WRITE_PKCS7				 121
#define PKCS7_F_DO_PKCS7_SIGNED_ATTRIB			 136
#define PKCS7_F_I2D_PKCS7_BIO_STREAM			 140
#define PKCS7_F_PKCS7_ADD0_ATTRIB_SIGNING_TIME		 135
#define PKCS7_F_PKCS7_ADD_ATTRIB_SMIMECAP		 118
#define PKCS7_F_PKCS7_ADD_CERTIFICATE			 100
#define PKCS7_F_PKCS7_ADD_CRL				 101
#define PKCS7_F_PKCS7_ADD_RECIPIENT_INFO		 102
#define PKCS7_F_PKCS7_ADD_SIGNATURE			 131
#define PKCS7_F_PKCS7_ADD_SIGNER			 103
#define PKCS7_F_PKCS7_BIO_ADD_DIGEST			 125
#define PKCS7_F_PKCS7_COPY_EXISTING_DIGEST		 138
#define PKCS7_F_PKCS7_CTRL				 104
#define PKCS7_F_PKCS7_DATADECODE			 112
#define PKCS7_F_PKCS7_DATAFINAL				 128
#define PKCS7_F_PKCS7_DATAINIT				 105
#define PKCS7_F_PKCS7_DATASIGN				 106
#define PKCS7_F_PKCS7_DATAVERIFY			 107
#define PKCS7_F_PKCS7_DECRYPT				 114
#define PKCS7_F_PKCS7_DECRYPT_RINFO			 133
#define PKCS7_F_PKCS7_ENCODE_RINFO			 132
#define PKCS7_F_PKCS7_ENCRYPT				 115
#define PKCS7_F_PKCS7_FINAL				 134
#define PKCS7_F_PKCS7_FIND_DIGEST			 127
#define PKCS7_F_PKCS7_GET0_SIGNERS			 124
#define PKCS7_F_PKCS7_RECIP_INFO_SET			 130
#define PKCS7_F_PKCS7_SET_CIPHER			 108
#define PKCS7_F_PKCS7_SET_CONTENT			 109
#define PKCS7_F_PKCS7_SET_DIGEST			 126
#define PKCS7_F_PKCS7_SET_TYPE				 110
#define PKCS7_F_PKCS7_SIGN				 116
#define PKCS7_F_PKCS7_SIGNATUREVERIFY			 113
#define PKCS7_F_PKCS7_SIGNER_INFO_SET			 129
#define PKCS7_F_PKCS7_SIGNER_INFO_SIGN			 139
#define PKCS7_F_PKCS7_SIGN_ADD_SIGNER			 137
#define PKCS7_F_PKCS7_SIMPLE_SMIMECAP			 119
#define PKCS7_F_PKCS7_VERIFY				 117
#define PKCS7_F_SMIME_READ_PKCS7			 122
#define PKCS7_F_SMIME_TEXT				 123

/* Reason codes. */
#define PKCS7_R_CERTIFICATE_VERIFY_ERROR		 117
#define PKCS7_R_CIPHER_HAS_NO_OBJECT_IDENTIFIER		 144
#define PKCS7_R_CIPHER_NOT_INITIALIZED			 116
#define PKCS7_R_CONTENT_AND_DATA_PRESENT		 118
#define PKCS7_R_CTRL_ERROR				 152
#define PKCS7_R_DECODE_ERROR				 130
#define PKCS7_R_DECRYPTED_KEY_IS_WRONG_LENGTH		 100
#define PKCS7_R_DECRYPT_ERROR				 119
#define PKCS7_R_DIGEST_FAILURE				 101
#define PKCS7_R_ENCRYPTION_CTRL_FAILURE			 149
#define PKCS7_R_ENCRYPTION_NOT_SUPPORTED_FOR_THIS_KEY_TYPE 150
#define PKCS7_R_ERROR_ADDING_RECIPIENT			 120
#define PKCS7_R_ERROR_SETTING_CIPHER			 121
#define PKCS7_R_INVALID_MIME_TYPE			 131
#define PKCS7_R_INVALID_NULL_POINTER			 143
#define PKCS7_R_MIME_NO_CONTENT_TYPE			 132
#define PKCS7_R_MIME_PARSE_ERROR			 133
#define PKCS7_R_MIME_SIG_PARSE_ERROR			 134
#define PKCS7_R_MISSING_CERIPEND_INFO			 103
#define PKCS7_R_NO_CONTENT				 122
#define PKCS7_R_NO_CONTENT_TYPE				 135
#define PKCS7_R_NO_DEFAULT_DIGEST			 151
#define PKCS7_R_NO_MATCHING_DIGEST_TYPE_FOUND		 154
#define PKCS7_R_NO_MULTIPART_BODY_FAILURE		 136
#define PKCS7_R_NO_MULTIPART_BOUNDARY			 137
#define PKCS7_R_NO_RECIPIENT_MATCHES_CERTIFICATE	 115
#define PKCS7_R_NO_RECIPIENT_MATCHES_KEY		 146
#define PKCS7_R_NO_SIGNATURES_ON_DATA			 123
#define PKCS7_R_NO_SIGNERS				 142
#define PKCS7_R_NO_SIG_CONTENT_TYPE			 138
#define PKCS7_R_OPERATION_NOT_SUPPORTED_ON_THIS_TYPE	 104
#define PKCS7_R_PKCS7_ADD_SIGNATURE_ERROR		 124
#define PKCS7_R_PKCS7_ADD_SIGNER_ERROR			 153
#define PKCS7_R_PKCS7_DATAFINAL				 126
#define PKCS7_R_PKCS7_DATAFINAL_ERROR			 125
#define PKCS7_R_PKCS7_DATASIGN				 145
#define PKCS7_R_PKCS7_PARSE_ERROR			 139
#define PKCS7_R_PKCS7_SIG_PARSE_ERROR			 140
#define PKCS7_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE	 127
#define PKCS7_R_SIGNATURE_FAILURE			 105
#define PKCS7_R_SIGNER_CERTIFICATE_NOT_FOUND		 128
#define PKCS7_R_SIGNING_CTRL_FAILURE			 147
#define PKCS7_R_SIGNING_NOT_SUPPORTED_FOR_THIS_KEY_TYPE	 148
#define PKCS7_R_SIG_INVALID_MIME_TYPE			 141
#define PKCS7_R_SMIME_TEXT_ERROR			 129
#define PKCS7_R_UNABLE_TO_FIND_CERTIFICATE		 106
#define PKCS7_R_UNABLE_TO_FIND_MEM_BIO			 107
#define PKCS7_R_UNABLE_TO_FIND_MESSAGE_DIGEST		 108
#define PKCS7_R_UNKNOWN_DIGEST_TYPE			 109
#define PKCS7_R_UNKNOWN_OPERATION			 110
#define PKCS7_R_UNSUPPORTED_CIPHER_TYPE			 111
#define PKCS7_R_UNSUPPORTED_CONTENT_TYPE		 112
#define PKCS7_R_WRONG_CONTENT_TYPE			 113
#define PKCS7_R_WRONG_PKCS7_TYPE			 114

#ifdef  __cplusplus
}
#endif
#endif