2 * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
10 #ifndef OPENSSL_PKCS7_H
11 # define OPENSSL_PKCS7_H
14 # include <openssl/macros.h>
15 # ifndef OPENSSL_NO_DEPRECATED_3_0
16 # define HEADER_PKCS7_H
19 # include <openssl/asn1.h>
20 # include <openssl/bio.h>
21 # include <openssl/e_os2.h>
23 # include <openssl/symhacks.h>
24 # include <openssl/types.h>
25 # include <openssl/pkcs7err.h>
35 Digest_Encryption_ID rsaEncryption
36 Key_Encryption_ID rsaEncryption
39 typedef struct PKCS7_CTX_st {
44 typedef struct pkcs7_issuer_and_serial_st {
47 } PKCS7_ISSUER_AND_SERIAL;
49 typedef struct pkcs7_signer_info_st {
50 ASN1_INTEGER *version; /* version 1 */
51 PKCS7_ISSUER_AND_SERIAL *issuer_and_serial;
52 X509_ALGOR *digest_alg;
53 STACK_OF(X509_ATTRIBUTE) *auth_attr; /* [ 0 ] */
54 X509_ALGOR *digest_enc_alg;
55 ASN1_OCTET_STRING *enc_digest;
56 STACK_OF(X509_ATTRIBUTE) *unauth_attr; /* [ 1 ] */
57 /* The private key to sign with */
61 DEFINE_OR_DECLARE_STACK_OF(PKCS7_SIGNER_INFO)
63 typedef struct pkcs7_recip_info_st {
64 ASN1_INTEGER *version; /* version 0 */
65 PKCS7_ISSUER_AND_SERIAL *issuer_and_serial;
66 X509_ALGOR *key_enc_algor;
67 ASN1_OCTET_STRING *enc_key;
68 X509 *cert; /* get the pub-key from this */
71 DEFINE_OR_DECLARE_STACK_OF(PKCS7_RECIP_INFO)
74 typedef struct pkcs7_signed_st {
75 ASN1_INTEGER *version; /* version 1 */
76 STACK_OF(X509_ALGOR) *md_algs; /* md used */
77 STACK_OF(X509) *cert; /* [ 0 ] */
78 STACK_OF(X509_CRL) *crl; /* [ 1 ] */
79 STACK_OF(PKCS7_SIGNER_INFO) *signer_info;
80 struct pkcs7_st *contents;
83 * The above structure is very very similar to PKCS7_SIGN_ENVELOPE. How about
87 typedef struct pkcs7_enc_content_st {
88 ASN1_OBJECT *content_type;
89 X509_ALGOR *algorithm;
90 ASN1_OCTET_STRING *enc_data; /* [ 0 ] */
91 const EVP_CIPHER *cipher;
95 typedef struct pkcs7_enveloped_st {
96 ASN1_INTEGER *version; /* version 0 */
97 STACK_OF(PKCS7_RECIP_INFO) *recipientinfo;
98 PKCS7_ENC_CONTENT *enc_data;
101 typedef struct pkcs7_signedandenveloped_st {
102 ASN1_INTEGER *version; /* version 1 */
103 STACK_OF(X509_ALGOR) *md_algs; /* md used */
104 STACK_OF(X509) *cert; /* [ 0 ] */
105 STACK_OF(X509_CRL) *crl; /* [ 1 ] */
106 STACK_OF(PKCS7_SIGNER_INFO) *signer_info;
107 PKCS7_ENC_CONTENT *enc_data;
108 STACK_OF(PKCS7_RECIP_INFO) *recipientinfo;
109 } PKCS7_SIGN_ENVELOPE;
111 typedef struct pkcs7_digest_st {
112 ASN1_INTEGER *version; /* version 0 */
113 X509_ALGOR *md; /* md used */
114 struct pkcs7_st *contents;
115 ASN1_OCTET_STRING *digest;
118 typedef struct pkcs7_encrypted_st {
119 ASN1_INTEGER *version; /* version 0 */
120 PKCS7_ENC_CONTENT *enc_data;
123 typedef struct pkcs7_st {
125 * The following is non NULL if it contains ASN1 encoding of this
130 # define PKCS7_S_HEADER 0
131 # define PKCS7_S_BODY 1
132 # define PKCS7_S_TAIL 2
133 int state; /* used during processing */
136 /* content as defined by the type */
138 * all encryption/message digests are applied to the 'contents', leaving
139 * out the 'type' field.
144 ASN1_OCTET_STRING *data;
145 /* NID_pkcs7_signed */
147 /* NID_pkcs7_enveloped */
148 PKCS7_ENVELOPE *enveloped;
149 /* NID_pkcs7_signedAndEnveloped */
150 PKCS7_SIGN_ENVELOPE *signed_and_enveloped;
151 /* NID_pkcs7_digest */
152 PKCS7_DIGEST *digest;
153 /* NID_pkcs7_encrypted */
154 PKCS7_ENCRYPT *encrypted;
160 DEFINE_OR_DECLARE_STACK_OF(PKCS7)
163 # define PKCS7_OP_SET_DETACHED_SIGNATURE 1
164 # define PKCS7_OP_GET_DETACHED_SIGNATURE 2
166 # define PKCS7_get_signed_attributes(si) ((si)->auth_attr)
167 # define PKCS7_get_attributes(si) ((si)->unauth_attr)
169 # define PKCS7_type_is_signed(a) (OBJ_obj2nid((a)->type) == NID_pkcs7_signed)
170 # define PKCS7_type_is_encrypted(a) (OBJ_obj2nid((a)->type) == NID_pkcs7_encrypted)
171 # define PKCS7_type_is_enveloped(a) (OBJ_obj2nid((a)->type) == NID_pkcs7_enveloped)
172 # define PKCS7_type_is_signedAndEnveloped(a) \
173 (OBJ_obj2nid((a)->type) == NID_pkcs7_signedAndEnveloped)
174 # define PKCS7_type_is_data(a) (OBJ_obj2nid((a)->type) == NID_pkcs7_data)
175 # define PKCS7_type_is_digest(a) (OBJ_obj2nid((a)->type) == NID_pkcs7_digest)
177 # define PKCS7_set_detached(p,v) \
178 PKCS7_ctrl(p,PKCS7_OP_SET_DETACHED_SIGNATURE,v,NULL)
179 # define PKCS7_get_detached(p) \
180 PKCS7_ctrl(p,PKCS7_OP_GET_DETACHED_SIGNATURE,0,NULL)
182 # define PKCS7_is_detached(p7) (PKCS7_type_is_signed(p7) && PKCS7_get_detached(p7))
184 /* S/MIME related flags */
186 # define PKCS7_TEXT 0x1
187 # define PKCS7_NOCERTS 0x2
188 # define PKCS7_NOSIGS 0x4
189 # define PKCS7_NOCHAIN 0x8
190 # define PKCS7_NOINTERN 0x10
191 # define PKCS7_NOVERIFY 0x20
192 # define PKCS7_DETACHED 0x40
193 # define PKCS7_BINARY 0x80
194 # define PKCS7_NOATTR 0x100
195 # define PKCS7_NOSMIMECAP 0x200
196 # define PKCS7_NOOLDMIMETYPE 0x400
197 # define PKCS7_CRLFEOL 0x800
198 # define PKCS7_STREAM 0x1000
199 # define PKCS7_NOCRL 0x2000
200 # define PKCS7_PARTIAL 0x4000
201 # define PKCS7_REUSE_DIGEST 0x8000
202 # define PKCS7_NO_DUAL_CONTENT 0x10000
204 /* Flags: for compatibility with older code */
206 # define SMIME_TEXT PKCS7_TEXT
207 # define SMIME_NOCERTS PKCS7_NOCERTS
208 # define SMIME_NOSIGS PKCS7_NOSIGS
209 # define SMIME_NOCHAIN PKCS7_NOCHAIN
210 # define SMIME_NOINTERN PKCS7_NOINTERN
211 # define SMIME_NOVERIFY PKCS7_NOVERIFY
212 # define SMIME_DETACHED PKCS7_DETACHED
213 # define SMIME_BINARY PKCS7_BINARY
214 # define SMIME_NOATTR PKCS7_NOATTR
216 /* CRLF ASCII canonicalisation */
217 # define SMIME_ASCIICRLF 0x80000
219 DECLARE_ASN1_FUNCTIONS(PKCS7_ISSUER_AND_SERIAL)
221 int PKCS7_ISSUER_AND_SERIAL_digest(PKCS7_ISSUER_AND_SERIAL *data,
222 const EVP_MD *type, unsigned char *md,
224 # ifndef OPENSSL_NO_STDIO
225 PKCS7 *d2i_PKCS7_fp(FILE *fp, PKCS7 **p7);
226 int i2d_PKCS7_fp(FILE *fp, const PKCS7 *p7);
228 DECLARE_ASN1_DUP_FUNCTION(PKCS7)
229 PKCS7 *d2i_PKCS7_bio(BIO *bp, PKCS7 **p7);
230 int i2d_PKCS7_bio(BIO *bp, const PKCS7 *p7);
231 int i2d_PKCS7_bio_stream(BIO *out, PKCS7 *p7, BIO *in, int flags);
232 int PEM_write_bio_PKCS7_stream(BIO *out, PKCS7 *p7, BIO *in, int flags);
234 DECLARE_ASN1_FUNCTIONS(PKCS7_SIGNER_INFO)
235 DECLARE_ASN1_FUNCTIONS(PKCS7_RECIP_INFO)
236 DECLARE_ASN1_FUNCTIONS(PKCS7_SIGNED)
237 DECLARE_ASN1_FUNCTIONS(PKCS7_ENC_CONTENT)
238 DECLARE_ASN1_FUNCTIONS(PKCS7_ENVELOPE)
239 DECLARE_ASN1_FUNCTIONS(PKCS7_SIGN_ENVELOPE)
240 DECLARE_ASN1_FUNCTIONS(PKCS7_DIGEST)
241 DECLARE_ASN1_FUNCTIONS(PKCS7_ENCRYPT)
242 DECLARE_ASN1_FUNCTIONS(PKCS7)
243 PKCS7 *PKCS7_new_with_libctx(OPENSSL_CTX *libctx, const char *propq);
245 DECLARE_ASN1_ITEM(PKCS7_ATTR_SIGN)
246 DECLARE_ASN1_ITEM(PKCS7_ATTR_VERIFY)
248 DECLARE_ASN1_NDEF_FUNCTION(PKCS7)
249 DECLARE_ASN1_PRINT_FUNCTION(PKCS7)
251 long PKCS7_ctrl(PKCS7 *p7, int cmd, long larg, char *parg);
253 int PKCS7_set_type(PKCS7 *p7, int type);
254 int PKCS7_set0_type_other(PKCS7 *p7, int type, ASN1_TYPE *other);
255 int PKCS7_set_content(PKCS7 *p7, PKCS7 *p7_data);
256 int PKCS7_SIGNER_INFO_set(PKCS7_SIGNER_INFO *p7i, X509 *x509, EVP_PKEY *pkey,
258 int PKCS7_SIGNER_INFO_sign(PKCS7_SIGNER_INFO *si);
259 int PKCS7_add_signer(PKCS7 *p7, PKCS7_SIGNER_INFO *p7i);
260 int PKCS7_add_certificate(PKCS7 *p7, X509 *x509);
261 int PKCS7_add_crl(PKCS7 *p7, X509_CRL *x509);
262 int PKCS7_content_new(PKCS7 *p7, int nid);
263 int PKCS7_dataVerify(X509_STORE *cert_store, X509_STORE_CTX *ctx,
264 BIO *bio, PKCS7 *p7, PKCS7_SIGNER_INFO *si);
265 int PKCS7_signatureVerify(BIO *bio, PKCS7 *p7, PKCS7_SIGNER_INFO *si,
268 BIO *PKCS7_dataInit(PKCS7 *p7, BIO *bio);
269 int PKCS7_dataFinal(PKCS7 *p7, BIO *bio);
270 BIO *PKCS7_dataDecode(PKCS7 *p7, EVP_PKEY *pkey, BIO *in_bio, X509 *pcert);
272 PKCS7_SIGNER_INFO *PKCS7_add_signature(PKCS7 *p7, X509 *x509,
273 EVP_PKEY *pkey, const EVP_MD *dgst);
274 X509 *PKCS7_cert_from_signer_info(PKCS7 *p7, PKCS7_SIGNER_INFO *si);
275 int PKCS7_set_digest(PKCS7 *p7, const EVP_MD *md);
276 STACK_OF(PKCS7_SIGNER_INFO) *PKCS7_get_signer_info(PKCS7 *p7);
278 PKCS7_RECIP_INFO *PKCS7_add_recipient(PKCS7 *p7, X509 *x509);
279 void PKCS7_SIGNER_INFO_get0_algs(PKCS7_SIGNER_INFO *si, EVP_PKEY **pk,
280 X509_ALGOR **pdig, X509_ALGOR **psig);
281 void PKCS7_RECIP_INFO_get0_alg(PKCS7_RECIP_INFO *ri, X509_ALGOR **penc);
282 int PKCS7_add_recipient_info(PKCS7 *p7, PKCS7_RECIP_INFO *ri);
283 int PKCS7_RECIP_INFO_set(PKCS7_RECIP_INFO *p7i, X509 *x509);
284 int PKCS7_set_cipher(PKCS7 *p7, const EVP_CIPHER *cipher);
285 int PKCS7_stream(unsigned char ***boundary, PKCS7 *p7);
287 PKCS7_ISSUER_AND_SERIAL *PKCS7_get_issuer_and_serial(PKCS7 *p7, int idx);
288 ASN1_OCTET_STRING *PKCS7_digest_from_attributes(STACK_OF(X509_ATTRIBUTE) *sk);
289 int PKCS7_add_signed_attribute(PKCS7_SIGNER_INFO *p7si, int nid, int type,
291 int PKCS7_add_attribute(PKCS7_SIGNER_INFO *p7si, int nid, int atrtype,
293 ASN1_TYPE *PKCS7_get_attribute(PKCS7_SIGNER_INFO *si, int nid);
294 ASN1_TYPE *PKCS7_get_signed_attribute(PKCS7_SIGNER_INFO *si, int nid);
295 int PKCS7_set_signed_attributes(PKCS7_SIGNER_INFO *p7si,
296 STACK_OF(X509_ATTRIBUTE) *sk);
297 int PKCS7_set_attributes(PKCS7_SIGNER_INFO *p7si,
298 STACK_OF(X509_ATTRIBUTE) *sk);
300 PKCS7 *PKCS7_sign(X509 *signcert, EVP_PKEY *pkey, STACK_OF(X509) *certs,
301 BIO *data, int flags);
302 PKCS7 *PKCS7_sign_with_libctx(X509 *signcert, EVP_PKEY *pkey,
303 STACK_OF(X509) *certs, BIO *data, int flags,
304 OPENSSL_CTX *libctx, const char *propq);
306 PKCS7_SIGNER_INFO *PKCS7_sign_add_signer(PKCS7 *p7,
307 X509 *signcert, EVP_PKEY *pkey,
308 const EVP_MD *md, int flags);
310 int PKCS7_final(PKCS7 *p7, BIO *data, int flags);
311 int PKCS7_verify(PKCS7 *p7, STACK_OF(X509) *certs, X509_STORE *store,
312 BIO *indata, BIO *out, int flags);
313 STACK_OF(X509) *PKCS7_get0_signers(PKCS7 *p7, STACK_OF(X509) *certs,
315 PKCS7 *PKCS7_encrypt(STACK_OF(X509) *certs, BIO *in, const EVP_CIPHER *cipher,
317 PKCS7 *PKCS7_encrypt_with_libctx(STACK_OF(X509) *certs, BIO *in,
318 const EVP_CIPHER *cipher, int flags,
319 OPENSSL_CTX *libctx, const char *propq);
320 int PKCS7_decrypt(PKCS7 *p7, EVP_PKEY *pkey, X509 *cert, BIO *data,
323 int PKCS7_add_attrib_smimecap(PKCS7_SIGNER_INFO *si,
324 STACK_OF(X509_ALGOR) *cap);
325 STACK_OF(X509_ALGOR) *PKCS7_get_smimecap(PKCS7_SIGNER_INFO *si);
326 int PKCS7_simple_smimecap(STACK_OF(X509_ALGOR) *sk, int nid, int arg);
328 int PKCS7_add_attrib_content_type(PKCS7_SIGNER_INFO *si, ASN1_OBJECT *coid);
329 int PKCS7_add0_attrib_signing_time(PKCS7_SIGNER_INFO *si, ASN1_TIME *t);
330 int PKCS7_add1_attrib_digest(PKCS7_SIGNER_INFO *si,
331 const unsigned char *md, int mdlen);
333 int SMIME_write_PKCS7(BIO *bio, PKCS7 *p7, BIO *data, int flags);
334 PKCS7 *SMIME_read_PKCS7_ex(BIO *bio, BIO **bcont, PKCS7 **p7);
335 PKCS7 *SMIME_read_PKCS7(BIO *bio, BIO **bcont);
337 BIO *BIO_new_PKCS7(BIO *out, PKCS7 *p7);