xref: /openbsd/lib/libcrypto/pkcs7/pkcs7.h (revision fff54091)
1 /* $OpenBSD: pkcs7.h,v 1.21 2023/04/25 18:04:03 tb Exp $ */
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_PKCS7_H
60 #define HEADER_PKCS7_H
61 
62 #include <openssl/opensslconf.h>
63 
64 #include <openssl/asn1.h>
65 #include <openssl/bio.h>
66 #include <openssl/ossl_typ.h>
67 
68 #ifdef  __cplusplus
69 extern "C" {
70 #endif
71 
72 /*
73 Encryption_ID		DES-CBC
74 Digest_ID		MD5
75 Digest_Encryption_ID	rsaEncryption
76 Key_Encryption_ID	rsaEncryption
77 */
78 
79 typedef struct pkcs7_issuer_and_serial_st {
80 	X509_NAME *issuer;
81 	ASN1_INTEGER *serial;
82 } PKCS7_ISSUER_AND_SERIAL;
83 
84 typedef struct pkcs7_signer_info_st {
85 	ASN1_INTEGER 			*version;	/* version 1 */
86 	PKCS7_ISSUER_AND_SERIAL		*issuer_and_serial;
87 	X509_ALGOR			*digest_alg;
88 	STACK_OF(X509_ATTRIBUTE)	*auth_attr;	/* [ 0 ] */
89 	X509_ALGOR			*digest_enc_alg;
90 	ASN1_OCTET_STRING		*enc_digest;
91 	STACK_OF(X509_ATTRIBUTE)	*unauth_attr;	/* [ 1 ] */
92 
93 	/* The private key to sign with */
94 	EVP_PKEY			*pkey;
95 } PKCS7_SIGNER_INFO;
96 
97 DECLARE_STACK_OF(PKCS7_SIGNER_INFO)
98 
99 typedef struct pkcs7_recip_info_st {
100 	ASN1_INTEGER			*version;	/* version 0 */
101 	PKCS7_ISSUER_AND_SERIAL		*issuer_and_serial;
102 	X509_ALGOR			*key_enc_algor;
103 	ASN1_OCTET_STRING		*enc_key;
104 	X509				*cert; /* get the pub-key from this */
105 } PKCS7_RECIP_INFO;
106 
107 DECLARE_STACK_OF(PKCS7_RECIP_INFO)
108 
109 typedef struct pkcs7_signed_st {
110 	ASN1_INTEGER			*version;	/* version 1 */
111 	STACK_OF(X509_ALGOR)		*md_algs;	/* md used */
112 	STACK_OF(X509)			*cert;		/* [ 0 ] */
113 	STACK_OF(X509_CRL)		*crl;		/* [ 1 ] */
114 	STACK_OF(PKCS7_SIGNER_INFO)	*signer_info;
115 
116 	struct pkcs7_st			*contents;
117 } PKCS7_SIGNED;
118 /* The above structure is very very similar to PKCS7_SIGN_ENVELOPE.
119  * How about merging the two */
120 
121 typedef struct pkcs7_enc_content_st {
122 	ASN1_OBJECT			*content_type;
123 	X509_ALGOR			*algorithm;
124 	ASN1_OCTET_STRING		*enc_data;	/* [ 0 ] */
125 	const EVP_CIPHER		*cipher;
126 } PKCS7_ENC_CONTENT;
127 
128 typedef struct pkcs7_enveloped_st {
129 	ASN1_INTEGER			*version;	/* version 0 */
130 	STACK_OF(PKCS7_RECIP_INFO)	*recipientinfo;
131 	PKCS7_ENC_CONTENT		*enc_data;
132 } PKCS7_ENVELOPE;
133 
134 typedef struct pkcs7_signedandenveloped_st {
135 	ASN1_INTEGER			*version;	/* version 1 */
136 	STACK_OF(X509_ALGOR)		*md_algs;	/* md used */
137 	STACK_OF(X509)			*cert;		/* [ 0 ] */
138 	STACK_OF(X509_CRL)		*crl;		/* [ 1 ] */
139 	STACK_OF(PKCS7_SIGNER_INFO)	*signer_info;
140 
141 	PKCS7_ENC_CONTENT		*enc_data;
142 	STACK_OF(PKCS7_RECIP_INFO)	*recipientinfo;
143 } PKCS7_SIGN_ENVELOPE;
144 
145 typedef struct pkcs7_digest_st {
146 	ASN1_INTEGER			*version;	/* version 0 */
147 	X509_ALGOR			*md;		/* md used */
148 	struct pkcs7_st 		*contents;
149 	ASN1_OCTET_STRING		*digest;
150 } PKCS7_DIGEST;
151 
152 typedef struct pkcs7_encrypted_st {
153 	ASN1_INTEGER			*version;	/* version 0 */
154 	PKCS7_ENC_CONTENT		*enc_data;
155 } PKCS7_ENCRYPT;
156 
157 typedef struct pkcs7_st {
158 	/* The following is non NULL if it contains ASN1 encoding of
159 	 * this structure */
160 	unsigned char *asn1;
161 	long length;
162 
163 #define PKCS7_S_HEADER	0
164 #define PKCS7_S_BODY	1
165 #define PKCS7_S_TAIL	2
166 	int state; /* used during processing */
167 
168 	int detached;
169 
170 	ASN1_OBJECT *type;
171 	/* content as defined by the type */
172 	/* all encryption/message digests are applied to the 'contents',
173 	 * leaving out the 'type' field. */
174 	union	{
175 		char *ptr;
176 
177 		/* NID_pkcs7_data */
178 		ASN1_OCTET_STRING *data;
179 
180 		/* NID_pkcs7_signed */
181 		PKCS7_SIGNED *sign;
182 
183 		/* NID_pkcs7_enveloped */
184 		PKCS7_ENVELOPE *enveloped;
185 
186 		/* NID_pkcs7_signedAndEnveloped */
187 		PKCS7_SIGN_ENVELOPE *signed_and_enveloped;
188 
189 		/* NID_pkcs7_digest */
190 		PKCS7_DIGEST *digest;
191 
192 		/* NID_pkcs7_encrypted */
193 		PKCS7_ENCRYPT *encrypted;
194 
195 		/* Anything else */
196 		ASN1_TYPE *other;
197 	} d;
198 } PKCS7;
199 
200 DECLARE_STACK_OF(PKCS7)
201 DECLARE_PKCS12_STACK_OF(PKCS7)
202 
203 #define PKCS7_OP_SET_DETACHED_SIGNATURE	1
204 #define PKCS7_OP_GET_DETACHED_SIGNATURE	2
205 
206 #define PKCS7_get_signed_attributes(si)	((si)->auth_attr)
207 #define PKCS7_get_attributes(si)	((si)->unauth_attr)
208 
209 #define PKCS7_type_is_signed(a) (OBJ_obj2nid((a)->type) == NID_pkcs7_signed)
210 #define PKCS7_type_is_encrypted(a) (OBJ_obj2nid((a)->type) == NID_pkcs7_encrypted)
211 #define PKCS7_type_is_enveloped(a) (OBJ_obj2nid((a)->type) == NID_pkcs7_enveloped)
212 #define PKCS7_type_is_signedAndEnveloped(a) \
213 		(OBJ_obj2nid((a)->type) == NID_pkcs7_signedAndEnveloped)
214 #define PKCS7_type_is_data(a)   (OBJ_obj2nid((a)->type) == NID_pkcs7_data)
215 #define PKCS7_type_is_digest(a)   (OBJ_obj2nid((a)->type) == NID_pkcs7_digest)
216 #define PKCS7_type_is_encrypted(a) \
217 		(OBJ_obj2nid((a)->type) == NID_pkcs7_encrypted)
218 
219 #define PKCS7_type_is_digest(a)   (OBJ_obj2nid((a)->type) == NID_pkcs7_digest)
220 
221 #define PKCS7_set_detached(p,v) \
222 		PKCS7_ctrl(p,PKCS7_OP_SET_DETACHED_SIGNATURE,v,NULL)
223 #define PKCS7_get_detached(p) \
224 		PKCS7_ctrl(p,PKCS7_OP_GET_DETACHED_SIGNATURE,0,NULL)
225 
226 #define PKCS7_is_detached(p7) (PKCS7_type_is_signed(p7) && PKCS7_get_detached(p7))
227 
228 /* S/MIME related flags */
229 
230 #define PKCS7_TEXT		0x1
231 #define PKCS7_NOCERTS		0x2
232 #define PKCS7_NOSIGS		0x4
233 #define PKCS7_NOCHAIN		0x8
234 #define PKCS7_NOINTERN		0x10
235 #define PKCS7_NOVERIFY		0x20
236 #define PKCS7_DETACHED		0x40
237 #define PKCS7_BINARY		0x80
238 #define PKCS7_NOATTR		0x100
239 #define	PKCS7_NOSMIMECAP	0x200
240 #define PKCS7_NOOLDMIMETYPE	0x400
241 #define PKCS7_CRLFEOL		0x800
242 #define PKCS7_STREAM		0x1000
243 #define PKCS7_NOCRL		0x2000
244 #define PKCS7_PARTIAL		0x4000
245 #define PKCS7_REUSE_DIGEST	0x8000
246 
247 /* Flags: for compatibility with older code */
248 
249 #define SMIME_TEXT	PKCS7_TEXT
250 #define SMIME_NOCERTS	PKCS7_NOCERTS
251 #define SMIME_NOSIGS	PKCS7_NOSIGS
252 #define SMIME_NOCHAIN	PKCS7_NOCHAIN
253 #define SMIME_NOINTERN	PKCS7_NOINTERN
254 #define SMIME_NOVERIFY	PKCS7_NOVERIFY
255 #define SMIME_DETACHED	PKCS7_DETACHED
256 #define SMIME_BINARY	PKCS7_BINARY
257 #define SMIME_NOATTR	PKCS7_NOATTR
258 
259 PKCS7_ISSUER_AND_SERIAL *PKCS7_ISSUER_AND_SERIAL_new(void);
260 void PKCS7_ISSUER_AND_SERIAL_free(PKCS7_ISSUER_AND_SERIAL *a);
261 PKCS7_ISSUER_AND_SERIAL *d2i_PKCS7_ISSUER_AND_SERIAL(PKCS7_ISSUER_AND_SERIAL **a, const unsigned char **in, long len);
262 int i2d_PKCS7_ISSUER_AND_SERIAL(PKCS7_ISSUER_AND_SERIAL *a, unsigned char **out);
263 extern const ASN1_ITEM PKCS7_ISSUER_AND_SERIAL_it;
264 
265 int PKCS7_ISSUER_AND_SERIAL_digest(PKCS7_ISSUER_AND_SERIAL *data,
266     const EVP_MD *type, unsigned char *md, unsigned int *len);
267 PKCS7 *d2i_PKCS7_fp(FILE *fp, PKCS7 **p7);
268 int i2d_PKCS7_fp(FILE *fp, PKCS7 *p7);
269 PKCS7 *PKCS7_dup(PKCS7 *p7);
270 PKCS7 *d2i_PKCS7_bio(BIO *bp, PKCS7 **p7);
271 int i2d_PKCS7_bio(BIO *bp, PKCS7 *p7);
272 int i2d_PKCS7_bio_stream(BIO *out, PKCS7 *p7, BIO *in, int flags);
273 int PEM_write_bio_PKCS7_stream(BIO *out, PKCS7 *p7, BIO *in, int flags);
274 
275 PKCS7_SIGNER_INFO *PKCS7_SIGNER_INFO_new(void);
276 void PKCS7_SIGNER_INFO_free(PKCS7_SIGNER_INFO *a);
277 PKCS7_SIGNER_INFO *d2i_PKCS7_SIGNER_INFO(PKCS7_SIGNER_INFO **a, const unsigned char **in, long len);
278 int i2d_PKCS7_SIGNER_INFO(PKCS7_SIGNER_INFO *a, unsigned char **out);
279 extern const ASN1_ITEM PKCS7_SIGNER_INFO_it;
280 PKCS7_RECIP_INFO *PKCS7_RECIP_INFO_new(void);
281 void PKCS7_RECIP_INFO_free(PKCS7_RECIP_INFO *a);
282 PKCS7_RECIP_INFO *d2i_PKCS7_RECIP_INFO(PKCS7_RECIP_INFO **a, const unsigned char **in, long len);
283 int i2d_PKCS7_RECIP_INFO(PKCS7_RECIP_INFO *a, unsigned char **out);
284 extern const ASN1_ITEM PKCS7_RECIP_INFO_it;
285 PKCS7_SIGNED *PKCS7_SIGNED_new(void);
286 void PKCS7_SIGNED_free(PKCS7_SIGNED *a);
287 PKCS7_SIGNED *d2i_PKCS7_SIGNED(PKCS7_SIGNED **a, const unsigned char **in, long len);
288 int i2d_PKCS7_SIGNED(PKCS7_SIGNED *a, unsigned char **out);
289 extern const ASN1_ITEM PKCS7_SIGNED_it;
290 PKCS7_ENC_CONTENT *PKCS7_ENC_CONTENT_new(void);
291 void PKCS7_ENC_CONTENT_free(PKCS7_ENC_CONTENT *a);
292 PKCS7_ENC_CONTENT *d2i_PKCS7_ENC_CONTENT(PKCS7_ENC_CONTENT **a, const unsigned char **in, long len);
293 int i2d_PKCS7_ENC_CONTENT(PKCS7_ENC_CONTENT *a, unsigned char **out);
294 extern const ASN1_ITEM PKCS7_ENC_CONTENT_it;
295 PKCS7_ENVELOPE *PKCS7_ENVELOPE_new(void);
296 void PKCS7_ENVELOPE_free(PKCS7_ENVELOPE *a);
297 PKCS7_ENVELOPE *d2i_PKCS7_ENVELOPE(PKCS7_ENVELOPE **a, const unsigned char **in, long len);
298 int i2d_PKCS7_ENVELOPE(PKCS7_ENVELOPE *a, unsigned char **out);
299 extern const ASN1_ITEM PKCS7_ENVELOPE_it;
300 PKCS7_SIGN_ENVELOPE *PKCS7_SIGN_ENVELOPE_new(void);
301 void PKCS7_SIGN_ENVELOPE_free(PKCS7_SIGN_ENVELOPE *a);
302 PKCS7_SIGN_ENVELOPE *d2i_PKCS7_SIGN_ENVELOPE(PKCS7_SIGN_ENVELOPE **a, const unsigned char **in, long len);
303 int i2d_PKCS7_SIGN_ENVELOPE(PKCS7_SIGN_ENVELOPE *a, unsigned char **out);
304 extern const ASN1_ITEM PKCS7_SIGN_ENVELOPE_it;
305 PKCS7_DIGEST *PKCS7_DIGEST_new(void);
306 void PKCS7_DIGEST_free(PKCS7_DIGEST *a);
307 PKCS7_DIGEST *d2i_PKCS7_DIGEST(PKCS7_DIGEST **a, const unsigned char **in, long len);
308 int i2d_PKCS7_DIGEST(PKCS7_DIGEST *a, unsigned char **out);
309 extern const ASN1_ITEM PKCS7_DIGEST_it;
310 PKCS7_ENCRYPT *PKCS7_ENCRYPT_new(void);
311 void PKCS7_ENCRYPT_free(PKCS7_ENCRYPT *a);
312 PKCS7_ENCRYPT *d2i_PKCS7_ENCRYPT(PKCS7_ENCRYPT **a, const unsigned char **in, long len);
313 int i2d_PKCS7_ENCRYPT(PKCS7_ENCRYPT *a, unsigned char **out);
314 extern const ASN1_ITEM PKCS7_ENCRYPT_it;
315 PKCS7 *PKCS7_new(void);
316 void PKCS7_free(PKCS7 *a);
317 PKCS7 *d2i_PKCS7(PKCS7 **a, const unsigned char **in, long len);
318 int i2d_PKCS7(PKCS7 *a, unsigned char **out);
319 extern const ASN1_ITEM PKCS7_it;
320 
321 extern const ASN1_ITEM PKCS7_ATTR_SIGN_it;
322 extern const ASN1_ITEM PKCS7_ATTR_VERIFY_it;
323 
324 int PKCS7_print_ctx(BIO *out, PKCS7 *x, int indent, const ASN1_PCTX *pctx);
325 
326 long PKCS7_ctrl(PKCS7 *p7, int cmd, long larg, char *parg);
327 
328 int PKCS7_set_type(PKCS7 *p7, int type);
329 int PKCS7_set0_type_other(PKCS7 *p7, int type, ASN1_TYPE *other);
330 int PKCS7_set_content(PKCS7 *p7, PKCS7 *p7_data);
331 int PKCS7_SIGNER_INFO_set(PKCS7_SIGNER_INFO *p7i, X509 *x509, EVP_PKEY *pkey,
332     const EVP_MD *dgst);
333 int PKCS7_SIGNER_INFO_sign(PKCS7_SIGNER_INFO *si);
334 int PKCS7_add_signer(PKCS7 *p7, PKCS7_SIGNER_INFO *p7i);
335 int PKCS7_add_certificate(PKCS7 *p7, X509 *x509);
336 int PKCS7_add_crl(PKCS7 *p7, X509_CRL *x509);
337 int PKCS7_content_new(PKCS7 *p7, int nid);
338 int PKCS7_dataVerify(X509_STORE *cert_store, X509_STORE_CTX *ctx,
339     BIO *bio, PKCS7 *p7, PKCS7_SIGNER_INFO *si);
340 int PKCS7_signatureVerify(BIO *bio, PKCS7 *p7, PKCS7_SIGNER_INFO *si,
341     X509 *x509);
342 
343 BIO *PKCS7_dataInit(PKCS7 *p7, BIO *bio);
344 int PKCS7_dataFinal(PKCS7 *p7, BIO *bio);
345 BIO *PKCS7_dataDecode(PKCS7 *p7, EVP_PKEY *pkey, BIO *in_bio, X509 *pcert);
346 
347 
348 PKCS7_SIGNER_INFO *PKCS7_add_signature(PKCS7 *p7, X509 *x509,
349     EVP_PKEY *pkey, const EVP_MD *dgst);
350 X509 *PKCS7_cert_from_signer_info(PKCS7 *p7, PKCS7_SIGNER_INFO *si);
351 int PKCS7_set_digest(PKCS7 *p7, const EVP_MD *md);
352 STACK_OF(PKCS7_SIGNER_INFO) *PKCS7_get_signer_info(PKCS7 *p7);
353 
354 PKCS7_RECIP_INFO *PKCS7_add_recipient(PKCS7 *p7, X509 *x509);
355 void PKCS7_SIGNER_INFO_get0_algs(PKCS7_SIGNER_INFO *si, EVP_PKEY **pk,
356     X509_ALGOR **pdig, X509_ALGOR **psig);
357 void PKCS7_RECIP_INFO_get0_alg(PKCS7_RECIP_INFO *ri, X509_ALGOR **penc);
358 int PKCS7_add_recipient_info(PKCS7 *p7, PKCS7_RECIP_INFO *ri);
359 int PKCS7_RECIP_INFO_set(PKCS7_RECIP_INFO *p7i, X509 *x509);
360 int PKCS7_set_cipher(PKCS7 *p7, const EVP_CIPHER *cipher);
361 int PKCS7_stream(unsigned char ***boundary, PKCS7 *p7);
362 
363 PKCS7_ISSUER_AND_SERIAL *PKCS7_get_issuer_and_serial(PKCS7 *p7, int idx);
364 ASN1_OCTET_STRING *PKCS7_digest_from_attributes(STACK_OF(X509_ATTRIBUTE) *sk);
365 int PKCS7_add_signed_attribute(PKCS7_SIGNER_INFO *p7si, int nid, int type,
366     void *data);
367 int PKCS7_add_attribute (PKCS7_SIGNER_INFO *p7si, int nid, int atrtype,
368     void *value);
369 ASN1_TYPE *PKCS7_get_attribute(PKCS7_SIGNER_INFO *si, int nid);
370 ASN1_TYPE *PKCS7_get_signed_attribute(PKCS7_SIGNER_INFO *si, int nid);
371 int PKCS7_set_signed_attributes(PKCS7_SIGNER_INFO *p7si,
372     STACK_OF(X509_ATTRIBUTE) *sk);
373 int PKCS7_set_attributes(PKCS7_SIGNER_INFO *p7si, STACK_OF(X509_ATTRIBUTE) *sk);
374 
375 
376 PKCS7 *PKCS7_sign(X509 *signcert, EVP_PKEY *pkey, STACK_OF(X509) *certs,
377     BIO *data, int flags);
378 
379 PKCS7_SIGNER_INFO *PKCS7_sign_add_signer(PKCS7 *p7,
380     X509 *signcert, EVP_PKEY *pkey, const EVP_MD *md,
381     int flags);
382 
383 int PKCS7_final(PKCS7 *p7, BIO *data, int flags);
384 int PKCS7_verify(PKCS7 *p7, STACK_OF(X509) *certs, X509_STORE *store,
385     BIO *indata, BIO *out, int flags);
386 STACK_OF(X509) *PKCS7_get0_signers(PKCS7 *p7, STACK_OF(X509) *certs, int flags);
387 PKCS7 *PKCS7_encrypt(STACK_OF(X509) *certs, BIO *in, const EVP_CIPHER *cipher,
388     int flags);
389 int PKCS7_decrypt(PKCS7 *p7, EVP_PKEY *pkey, X509 *cert, BIO *data, int flags);
390 
391 int PKCS7_add_attrib_smimecap(PKCS7_SIGNER_INFO *si,
392     STACK_OF(X509_ALGOR) *cap);
393 STACK_OF(X509_ALGOR) *PKCS7_get_smimecap(PKCS7_SIGNER_INFO *si);
394 int PKCS7_simple_smimecap(STACK_OF(X509_ALGOR) *sk, int nid, int arg);
395 
396 int PKCS7_add_attrib_content_type(PKCS7_SIGNER_INFO *si, ASN1_OBJECT *coid);
397 int PKCS7_add0_attrib_signing_time(PKCS7_SIGNER_INFO *si, ASN1_TIME *t);
398 int PKCS7_add1_attrib_digest(PKCS7_SIGNER_INFO *si,
399     const unsigned char *md, int mdlen);
400 
401 int SMIME_write_PKCS7(BIO *bio, PKCS7 *p7, BIO *data, int flags);
402 PKCS7 *SMIME_read_PKCS7(BIO *bio, BIO **bcont);
403 
404 BIO *BIO_new_PKCS7(BIO *out, PKCS7 *p7);
405 
406 
407 void ERR_load_PKCS7_strings(void);
408 
409 /* Error codes for the PKCS7 functions. */
410 
411 /* Function codes. */
412 #define PKCS7_F_B64_READ_PKCS7				 120
413 #define PKCS7_F_B64_WRITE_PKCS7				 121
414 #define PKCS7_F_DO_PKCS7_SIGNED_ATTRIB			 136
415 #define PKCS7_F_I2D_PKCS7_BIO_STREAM			 140
416 #define PKCS7_F_PKCS7_ADD0_ATTRIB_SIGNING_TIME		 135
417 #define PKCS7_F_PKCS7_ADD_ATTRIB_SMIMECAP		 118
418 #define PKCS7_F_PKCS7_ADD_CERTIFICATE			 100
419 #define PKCS7_F_PKCS7_ADD_CRL				 101
420 #define PKCS7_F_PKCS7_ADD_RECIPIENT_INFO		 102
421 #define PKCS7_F_PKCS7_ADD_SIGNATURE			 131
422 #define PKCS7_F_PKCS7_ADD_SIGNER			 103
423 #define PKCS7_F_PKCS7_BIO_ADD_DIGEST			 125
424 #define PKCS7_F_PKCS7_COPY_EXISTING_DIGEST		 138
425 #define PKCS7_F_PKCS7_CTRL				 104
426 #define PKCS7_F_PKCS7_DATADECODE			 112
427 #define PKCS7_F_PKCS7_DATAFINAL				 128
428 #define PKCS7_F_PKCS7_DATAINIT				 105
429 #define PKCS7_F_PKCS7_DATASIGN				 106
430 #define PKCS7_F_PKCS7_DATAVERIFY			 107
431 #define PKCS7_F_PKCS7_DECRYPT				 114
432 #define PKCS7_F_PKCS7_DECRYPT_RINFO			 133
433 #define PKCS7_F_PKCS7_ENCODE_RINFO			 132
434 #define PKCS7_F_PKCS7_ENCRYPT				 115
435 #define PKCS7_F_PKCS7_FINAL				 134
436 #define PKCS7_F_PKCS7_FIND_DIGEST			 127
437 #define PKCS7_F_PKCS7_GET0_SIGNERS			 124
438 #define PKCS7_F_PKCS7_RECIP_INFO_SET			 130
439 #define PKCS7_F_PKCS7_SET_CIPHER			 108
440 #define PKCS7_F_PKCS7_SET_CONTENT			 109
441 #define PKCS7_F_PKCS7_SET_DIGEST			 126
442 #define PKCS7_F_PKCS7_SET_TYPE				 110
443 #define PKCS7_F_PKCS7_SIGN				 116
444 #define PKCS7_F_PKCS7_SIGNATUREVERIFY			 113
445 #define PKCS7_F_PKCS7_SIGNER_INFO_SET			 129
446 #define PKCS7_F_PKCS7_SIGNER_INFO_SIGN			 139
447 #define PKCS7_F_PKCS7_SIGN_ADD_SIGNER			 137
448 #define PKCS7_F_PKCS7_SIMPLE_SMIMECAP			 119
449 #define PKCS7_F_PKCS7_VERIFY				 117
450 #define PKCS7_F_SMIME_READ_PKCS7			 122
451 #define PKCS7_F_SMIME_TEXT				 123
452 
453 /* Reason codes. */
454 #define PKCS7_R_CERTIFICATE_VERIFY_ERROR		 117
455 #define PKCS7_R_CIPHER_HAS_NO_OBJECT_IDENTIFIER		 144
456 #define PKCS7_R_CIPHER_NOT_INITIALIZED			 116
457 #define PKCS7_R_CONTENT_AND_DATA_PRESENT		 118
458 #define PKCS7_R_CTRL_ERROR				 152
459 #define PKCS7_R_DECODE_ERROR				 130
460 #define PKCS7_R_DECRYPTED_KEY_IS_WRONG_LENGTH		 100
461 #define PKCS7_R_DECRYPT_ERROR				 119
462 #define PKCS7_R_DIGEST_FAILURE				 101
463 #define PKCS7_R_ENCRYPTION_CTRL_FAILURE			 149
464 #define PKCS7_R_ENCRYPTION_NOT_SUPPORTED_FOR_THIS_KEY_TYPE 150
465 #define PKCS7_R_ERROR_ADDING_RECIPIENT			 120
466 #define PKCS7_R_ERROR_SETTING_CIPHER			 121
467 #define PKCS7_R_INVALID_MIME_TYPE			 131
468 #define PKCS7_R_INVALID_NULL_POINTER			 143
469 #define PKCS7_R_MIME_NO_CONTENT_TYPE			 132
470 #define PKCS7_R_MIME_PARSE_ERROR			 133
471 #define PKCS7_R_MIME_SIG_PARSE_ERROR			 134
472 #define PKCS7_R_MISSING_CERIPEND_INFO			 103
473 #define PKCS7_R_NO_CONTENT				 122
474 #define PKCS7_R_NO_CONTENT_TYPE				 135
475 #define PKCS7_R_NO_DEFAULT_DIGEST			 151
476 #define PKCS7_R_NO_MATCHING_DIGEST_TYPE_FOUND		 154
477 #define PKCS7_R_NO_MULTIPART_BODY_FAILURE		 136
478 #define PKCS7_R_NO_MULTIPART_BOUNDARY			 137
479 #define PKCS7_R_NO_RECIPIENT_MATCHES_CERTIFICATE	 115
480 #define PKCS7_R_NO_RECIPIENT_MATCHES_KEY		 146
481 #define PKCS7_R_NO_SIGNATURES_ON_DATA			 123
482 #define PKCS7_R_NO_SIGNERS				 142
483 #define PKCS7_R_NO_SIG_CONTENT_TYPE			 138
484 #define PKCS7_R_OPERATION_NOT_SUPPORTED_ON_THIS_TYPE	 104
485 #define PKCS7_R_PKCS7_ADD_SIGNATURE_ERROR		 124
486 #define PKCS7_R_PKCS7_ADD_SIGNER_ERROR			 153
487 #define PKCS7_R_PKCS7_DATAFINAL				 126
488 #define PKCS7_R_PKCS7_DATAFINAL_ERROR			 125
489 #define PKCS7_R_PKCS7_DATASIGN				 145
490 #define PKCS7_R_PKCS7_PARSE_ERROR			 139
491 #define PKCS7_R_PKCS7_SIG_PARSE_ERROR			 140
492 #define PKCS7_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE	 127
493 #define PKCS7_R_SIGNATURE_FAILURE			 105
494 #define PKCS7_R_SIGNER_CERTIFICATE_NOT_FOUND		 128
495 #define PKCS7_R_SIGNING_CTRL_FAILURE			 147
496 #define PKCS7_R_SIGNING_NOT_SUPPORTED_FOR_THIS_KEY_TYPE	 148
497 #define PKCS7_R_SIG_INVALID_MIME_TYPE			 141
498 #define PKCS7_R_SMIME_TEXT_ERROR			 129
499 #define PKCS7_R_UNABLE_TO_FIND_CERTIFICATE		 106
500 #define PKCS7_R_UNABLE_TO_FIND_MEM_BIO			 107
501 #define PKCS7_R_UNABLE_TO_FIND_MESSAGE_DIGEST		 108
502 #define PKCS7_R_UNKNOWN_DIGEST_TYPE			 109
503 #define PKCS7_R_UNKNOWN_OPERATION			 110
504 #define PKCS7_R_UNSUPPORTED_CIPHER_TYPE			 111
505 #define PKCS7_R_UNSUPPORTED_CONTENT_TYPE		 112
506 #define PKCS7_R_WRONG_CONTENT_TYPE			 113
507 #define PKCS7_R_WRONG_PKCS7_TYPE			 114
508 
509 #ifdef  __cplusplus
510 }
511 #endif
512 #endif
513