2 * {- join("\n * ", @autowarntext) -}
4 * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
6 * Licensed under the Apache License 2.0 (the "License"). You may not use
7 * this file except in compliance with the License. You can obtain a copy
8 * in the file LICENSE in the source distribution or at
9 * https://www.openssl.org/source/license.html
13 use OpenSSL::stackhash qw(generate_stack_macros);
16 #ifndef OPENSSL_PKCS7_H
17 # define OPENSSL_PKCS7_H
20 # include <openssl/macros.h>
21 # ifndef OPENSSL_NO_DEPRECATED_3_0
22 # define HEADER_PKCS7_H
25 # include <openssl/asn1.h>
26 # include <openssl/bio.h>
27 # include <openssl/e_os2.h>
29 # include <openssl/symhacks.h>
30 # include <openssl/types.h>
31 # include <openssl/pkcs7err.h>
32 # ifndef OPENSSL_NO_STDIO
44 Digest_Encryption_ID rsaEncryption
45 Key_Encryption_ID rsaEncryption
48 typedef struct PKCS7_CTX_st {
53 typedef struct pkcs7_issuer_and_serial_st {
56 } PKCS7_ISSUER_AND_SERIAL;
58 typedef struct pkcs7_signer_info_st {
59 ASN1_INTEGER *version; /* version 1 */
60 PKCS7_ISSUER_AND_SERIAL *issuer_and_serial;
61 X509_ALGOR *digest_alg;
62 STACK_OF(X509_ATTRIBUTE) *auth_attr; /* [ 0 ] */
63 X509_ALGOR *digest_enc_alg; /* confusing name, actually used for signing */
64 ASN1_OCTET_STRING *enc_digest; /* confusing name, actually signature */
65 STACK_OF(X509_ATTRIBUTE) *unauth_attr; /* [ 1 ] */
66 /* The private key to sign with */
71 generate_stack_macros("PKCS7_SIGNER_INFO");
74 typedef struct pkcs7_recip_info_st {
75 ASN1_INTEGER *version; /* version 0 */
76 PKCS7_ISSUER_AND_SERIAL *issuer_and_serial;
77 X509_ALGOR *key_enc_algor;
78 ASN1_OCTET_STRING *enc_key;
79 X509 *cert; /* get the pub-key from this */
83 generate_stack_macros("PKCS7_RECIP_INFO");
87 typedef struct pkcs7_signed_st {
88 ASN1_INTEGER *version; /* version 1 */
89 STACK_OF(X509_ALGOR) *md_algs; /* md used */
90 STACK_OF(X509) *cert; /* [ 0 ] */ /* name should be 'certificates' */
91 STACK_OF(X509_CRL) *crl; /* [ 1 ] */ /* name should be 'crls' */
92 STACK_OF(PKCS7_SIGNER_INFO) *signer_info;
93 struct pkcs7_st *contents;
96 * The above structure is very very similar to PKCS7_SIGN_ENVELOPE. How about
100 typedef struct pkcs7_enc_content_st {
101 ASN1_OBJECT *content_type;
102 X509_ALGOR *algorithm;
103 ASN1_OCTET_STRING *enc_data; /* [ 0 ] */
104 const EVP_CIPHER *cipher;
105 const PKCS7_CTX *ctx;
108 typedef struct pkcs7_enveloped_st {
109 ASN1_INTEGER *version; /* version 0 */
110 STACK_OF(PKCS7_RECIP_INFO) *recipientinfo;
111 PKCS7_ENC_CONTENT *enc_data;
114 typedef struct pkcs7_signedandenveloped_st {
115 ASN1_INTEGER *version; /* version 1 */
116 STACK_OF(X509_ALGOR) *md_algs; /* md used */
117 STACK_OF(X509) *cert; /* [ 0 ] */ /* name should be 'certificates' */
118 STACK_OF(X509_CRL) *crl; /* [ 1 ] */ /* name should be 'crls' */
119 STACK_OF(PKCS7_SIGNER_INFO) *signer_info;
120 PKCS7_ENC_CONTENT *enc_data;
121 STACK_OF(PKCS7_RECIP_INFO) *recipientinfo;
122 } PKCS7_SIGN_ENVELOPE;
124 typedef struct pkcs7_digest_st {
125 ASN1_INTEGER *version; /* version 0 */
126 X509_ALGOR *md; /* md used */
127 struct pkcs7_st *contents;
128 ASN1_OCTET_STRING *digest;
131 typedef struct pkcs7_encrypted_st {
132 ASN1_INTEGER *version; /* version 0 */
133 PKCS7_ENC_CONTENT *enc_data;
136 typedef struct pkcs7_st {
138 * The following is non NULL if it contains ASN1 encoding of this
143 # define PKCS7_S_HEADER 0
144 # define PKCS7_S_BODY 1
145 # define PKCS7_S_TAIL 2
146 int state; /* used during processing */
149 /* content as defined by the type */
151 * all encryption/message digests are applied to the 'contents', leaving
152 * out the 'type' field.
157 ASN1_OCTET_STRING *data;
158 /* NID_pkcs7_signed */
159 PKCS7_SIGNED *sign; /* field name 'signed' would clash with C keyword */
160 /* NID_pkcs7_enveloped */
161 PKCS7_ENVELOPE *enveloped;
162 /* NID_pkcs7_signedAndEnveloped */
163 PKCS7_SIGN_ENVELOPE *signed_and_enveloped;
164 /* NID_pkcs7_digest */
165 PKCS7_DIGEST *digest;
166 /* NID_pkcs7_encrypted */
167 PKCS7_ENCRYPT *encrypted;
174 generate_stack_macros("PKCS7");
178 # define PKCS7_OP_SET_DETACHED_SIGNATURE 1
179 # define PKCS7_OP_GET_DETACHED_SIGNATURE 2
181 # define PKCS7_get_signed_attributes(si) ((si)->auth_attr)
182 # define PKCS7_get_attributes(si) ((si)->unauth_attr)
184 # define PKCS7_type_is_signed(a) (OBJ_obj2nid((a)->type) == NID_pkcs7_signed)
185 # define PKCS7_type_is_encrypted(a) (OBJ_obj2nid((a)->type) == NID_pkcs7_encrypted)
186 # define PKCS7_type_is_enveloped(a) (OBJ_obj2nid((a)->type) == NID_pkcs7_enveloped)
187 # define PKCS7_type_is_signedAndEnveloped(a) \
188 (OBJ_obj2nid((a)->type) == NID_pkcs7_signedAndEnveloped)
189 # define PKCS7_type_is_data(a) (OBJ_obj2nid((a)->type) == NID_pkcs7_data)
190 # define PKCS7_type_is_digest(a) (OBJ_obj2nid((a)->type) == NID_pkcs7_digest)
192 # define PKCS7_set_detached(p,v) \
193 PKCS7_ctrl(p,PKCS7_OP_SET_DETACHED_SIGNATURE,v,NULL)
194 # define PKCS7_get_detached(p) \
195 PKCS7_ctrl(p,PKCS7_OP_GET_DETACHED_SIGNATURE,0,NULL)
197 # define PKCS7_is_detached(p7) (PKCS7_type_is_signed(p7) && PKCS7_get_detached(p7))
199 /* S/MIME related flags */
201 # define PKCS7_TEXT 0x1
202 # define PKCS7_NOCERTS 0x2
203 # define PKCS7_NOSIGS 0x4
204 # define PKCS7_NOCHAIN 0x8
205 # define PKCS7_NOINTERN 0x10
206 # define PKCS7_NOVERIFY 0x20
207 # define PKCS7_DETACHED 0x40
208 # define PKCS7_BINARY 0x80
209 # define PKCS7_NOATTR 0x100
210 # define PKCS7_NOSMIMECAP 0x200
211 # define PKCS7_NOOLDMIMETYPE 0x400
212 # define PKCS7_CRLFEOL 0x800
213 # define PKCS7_STREAM 0x1000
214 # define PKCS7_NOCRL 0x2000
215 # define PKCS7_PARTIAL 0x4000
216 # define PKCS7_REUSE_DIGEST 0x8000
217 # define PKCS7_NO_DUAL_CONTENT 0x10000
219 /* Flags: for compatibility with older code */
221 # define SMIME_TEXT PKCS7_TEXT
222 # define SMIME_NOCERTS PKCS7_NOCERTS
223 # define SMIME_NOSIGS PKCS7_NOSIGS
224 # define SMIME_NOCHAIN PKCS7_NOCHAIN
225 # define SMIME_NOINTERN PKCS7_NOINTERN
226 # define SMIME_NOVERIFY PKCS7_NOVERIFY
227 # define SMIME_DETACHED PKCS7_DETACHED
228 # define SMIME_BINARY PKCS7_BINARY
229 # define SMIME_NOATTR PKCS7_NOATTR
231 /* CRLF ASCII canonicalisation */
232 # define SMIME_ASCIICRLF 0x80000
234 DECLARE_ASN1_FUNCTIONS(PKCS7_ISSUER_AND_SERIAL)
236 int PKCS7_ISSUER_AND_SERIAL_digest(PKCS7_ISSUER_AND_SERIAL *data,
237 const EVP_MD *type, unsigned char *md,
239 # ifndef OPENSSL_NO_STDIO
240 PKCS7 *d2i_PKCS7_fp(FILE *fp, PKCS7 **p7);
241 int i2d_PKCS7_fp(FILE *fp, const PKCS7 *p7);
243 DECLARE_ASN1_DUP_FUNCTION(PKCS7)
244 PKCS7 *d2i_PKCS7_bio(BIO *bp, PKCS7 **p7);
245 int i2d_PKCS7_bio(BIO *bp, const PKCS7 *p7);
246 int i2d_PKCS7_bio_stream(BIO *out, PKCS7 *p7, BIO *in, int flags);
247 int PEM_write_bio_PKCS7_stream(BIO *out, PKCS7 *p7, BIO *in, int flags);
249 DECLARE_ASN1_FUNCTIONS(PKCS7_SIGNER_INFO)
250 DECLARE_ASN1_FUNCTIONS(PKCS7_RECIP_INFO)
251 DECLARE_ASN1_FUNCTIONS(PKCS7_SIGNED)
252 DECLARE_ASN1_FUNCTIONS(PKCS7_ENC_CONTENT)
253 DECLARE_ASN1_FUNCTIONS(PKCS7_ENVELOPE)
254 DECLARE_ASN1_FUNCTIONS(PKCS7_SIGN_ENVELOPE)
255 DECLARE_ASN1_FUNCTIONS(PKCS7_DIGEST)
256 DECLARE_ASN1_FUNCTIONS(PKCS7_ENCRYPT)
257 DECLARE_ASN1_FUNCTIONS(PKCS7)
258 PKCS7 *PKCS7_new_ex(OSSL_LIB_CTX *libctx, const char *propq);
260 DECLARE_ASN1_ITEM(PKCS7_ATTR_SIGN)
261 DECLARE_ASN1_ITEM(PKCS7_ATTR_VERIFY)
263 DECLARE_ASN1_NDEF_FUNCTION(PKCS7)
264 DECLARE_ASN1_PRINT_FUNCTION(PKCS7)
266 long PKCS7_ctrl(PKCS7 *p7, int cmd, long larg, char *parg);
268 int PKCS7_type_is_other(PKCS7 *p7);
269 int PKCS7_set_type(PKCS7 *p7, int type);
270 int PKCS7_set0_type_other(PKCS7 *p7, int type, ASN1_TYPE *other);
271 int PKCS7_set_content(PKCS7 *p7, PKCS7 *p7_data);
272 int PKCS7_SIGNER_INFO_set(PKCS7_SIGNER_INFO *p7i, X509 *x509, EVP_PKEY *pkey,
274 int PKCS7_SIGNER_INFO_sign(PKCS7_SIGNER_INFO *si);
275 int PKCS7_add_signer(PKCS7 *p7, PKCS7_SIGNER_INFO *p7i);
276 int PKCS7_add_certificate(PKCS7 *p7, X509 *cert);
277 int PKCS7_add_crl(PKCS7 *p7, X509_CRL *crl);
278 int PKCS7_content_new(PKCS7 *p7, int nid);
279 int PKCS7_dataVerify(X509_STORE *cert_store, X509_STORE_CTX *ctx,
280 BIO *bio, PKCS7 *p7, PKCS7_SIGNER_INFO *si);
281 int PKCS7_signatureVerify(BIO *bio, PKCS7 *p7, PKCS7_SIGNER_INFO *si,
284 BIO *PKCS7_dataInit(PKCS7 *p7, BIO *bio);
285 int PKCS7_dataFinal(PKCS7 *p7, BIO *bio);
286 BIO *PKCS7_dataDecode(PKCS7 *p7, EVP_PKEY *pkey, BIO *in_bio, X509 *pcert);
288 PKCS7_SIGNER_INFO *PKCS7_add_signature(PKCS7 *p7, X509 *x509,
289 EVP_PKEY *pkey, const EVP_MD *dgst);
290 X509 *PKCS7_cert_from_signer_info(PKCS7 *p7, PKCS7_SIGNER_INFO *si);
291 int PKCS7_set_digest(PKCS7 *p7, const EVP_MD *md);
292 STACK_OF(PKCS7_SIGNER_INFO) *PKCS7_get_signer_info(PKCS7 *p7);
294 PKCS7_RECIP_INFO *PKCS7_add_recipient(PKCS7 *p7, X509 *x509);
295 void PKCS7_SIGNER_INFO_get0_algs(PKCS7_SIGNER_INFO *si, EVP_PKEY **pk,
296 X509_ALGOR **pdig, X509_ALGOR **psig);
297 void PKCS7_RECIP_INFO_get0_alg(PKCS7_RECIP_INFO *ri, X509_ALGOR **penc);
298 int PKCS7_add_recipient_info(PKCS7 *p7, PKCS7_RECIP_INFO *ri);
299 int PKCS7_RECIP_INFO_set(PKCS7_RECIP_INFO *p7i, X509 *x509);
300 int PKCS7_set_cipher(PKCS7 *p7, const EVP_CIPHER *cipher);
301 int PKCS7_stream(unsigned char ***boundary, PKCS7 *p7);
303 PKCS7_ISSUER_AND_SERIAL *PKCS7_get_issuer_and_serial(PKCS7 *p7, int idx);
304 ASN1_OCTET_STRING *PKCS7_get_octet_string(PKCS7 *p7);
305 ASN1_OCTET_STRING *PKCS7_digest_from_attributes(STACK_OF(X509_ATTRIBUTE) *sk);
306 int PKCS7_add_signed_attribute(PKCS7_SIGNER_INFO *p7si, int nid, int type,
308 int PKCS7_add_attribute(PKCS7_SIGNER_INFO *p7si, int nid, int atrtype,
310 ASN1_TYPE *PKCS7_get_attribute(const PKCS7_SIGNER_INFO *si, int nid);
311 ASN1_TYPE *PKCS7_get_signed_attribute(const PKCS7_SIGNER_INFO *si, int nid);
312 int PKCS7_set_signed_attributes(PKCS7_SIGNER_INFO *p7si,
313 STACK_OF(X509_ATTRIBUTE) *sk);
314 int PKCS7_set_attributes(PKCS7_SIGNER_INFO *p7si,
315 STACK_OF(X509_ATTRIBUTE) *sk);
317 PKCS7 *PKCS7_sign(X509 *signcert, EVP_PKEY *pkey, STACK_OF(X509) *certs,
318 BIO *data, int flags);
319 PKCS7 *PKCS7_sign_ex(X509 *signcert, EVP_PKEY *pkey, STACK_OF(X509) *certs,
320 BIO *data, int flags, OSSL_LIB_CTX *libctx,
323 PKCS7_SIGNER_INFO *PKCS7_sign_add_signer(PKCS7 *p7,
324 X509 *signcert, EVP_PKEY *pkey,
325 const EVP_MD *md, int flags);
327 int PKCS7_final(PKCS7 *p7, BIO *data, int flags);
328 int PKCS7_verify(PKCS7 *p7, STACK_OF(X509) *certs, X509_STORE *store,
329 BIO *indata, BIO *out, int flags);
330 STACK_OF(X509) *PKCS7_get0_signers(PKCS7 *p7, STACK_OF(X509) *certs,
332 PKCS7 *PKCS7_encrypt(STACK_OF(X509) *certs, BIO *in, const EVP_CIPHER *cipher,
334 PKCS7 *PKCS7_encrypt_ex(STACK_OF(X509) *certs, BIO *in,
335 const EVP_CIPHER *cipher, int flags,
336 OSSL_LIB_CTX *libctx, const char *propq);
337 int PKCS7_decrypt(PKCS7 *p7, EVP_PKEY *pkey, X509 *cert, BIO *data,
340 int PKCS7_add_attrib_smimecap(PKCS7_SIGNER_INFO *si,
341 STACK_OF(X509_ALGOR) *cap);
342 STACK_OF(X509_ALGOR) *PKCS7_get_smimecap(PKCS7_SIGNER_INFO *si);
343 int PKCS7_simple_smimecap(STACK_OF(X509_ALGOR) *sk, int nid, int arg);
345 int PKCS7_add_attrib_content_type(PKCS7_SIGNER_INFO *si, ASN1_OBJECT *coid);
346 int PKCS7_add0_attrib_signing_time(PKCS7_SIGNER_INFO *si, ASN1_TIME *t);
347 int PKCS7_add1_attrib_digest(PKCS7_SIGNER_INFO *si,
348 const unsigned char *md, int mdlen);
350 int SMIME_write_PKCS7(BIO *bio, PKCS7 *p7, BIO *data, int flags);
351 PKCS7 *SMIME_read_PKCS7_ex(BIO *bio, BIO **bcont, PKCS7 **p7);
352 PKCS7 *SMIME_read_PKCS7(BIO *bio, BIO **bcont);
354 BIO *BIO_new_PKCS7(BIO *out, PKCS7 *p7);