1 /* crypto/pkcs7/pk7_lib.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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.
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).
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.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
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)"
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
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.]
64 long PKCS7_ctrl(p7
,cmd
,larg
,parg
)
73 nid
=OBJ_obj2nid(p7
->type
);
77 case PKCS7_OP_SET_DETACHED_SIGNATURE
:
78 if (nid
== NID_pkcs7_signed
)
80 ret
=p7
->detached
=(int)larg
;
84 PKCS7err(PKCS7_F_PKCS7_CTRL
,PKCS7_R_OPERATION_NOT_SUPPORTED_ON_THIS_TYPE
);
88 case PKCS7_OP_GET_DETACHED_SIGNATURE
:
89 if (nid
== NID_pkcs7_signed
)
95 PKCS7err(PKCS7_F_PKCS7_CTRL
,PKCS7_R_OPERATION_NOT_SUPPORTED_ON_THIS_TYPE
);
106 int PKCS7_content_new(p7
,type
)
112 if ((ret
=PKCS7_new()) == NULL
) goto err
;
113 if (!PKCS7_set_type(ret
,type
)) goto err
;
114 if (!PKCS7_set_content(p7
,ret
)) goto err
;
118 if (ret
!= NULL
) PKCS7_free(ret
);
122 int PKCS7_set_content(p7
,p7_data
)
128 i
=OBJ_obj2nid(p7
->type
);
131 case NID_pkcs7_signed
:
132 if (p7
->d
.sign
->contents
!= NULL
)
133 PKCS7_content_free(p7
->d
.sign
->contents
);
134 p7
->d
.sign
->contents
=p7_data
;
136 case NID_pkcs7_digest
:
138 case NID_pkcs7_enveloped
:
139 case NID_pkcs7_signedAndEnveloped
:
140 case NID_pkcs7_encrypted
:
142 PKCS7err(PKCS7_F_PKCS7_SET_CONTENT
,PKCS7_R_UNSUPPORTED_CONTENT_TYPE
);
150 int PKCS7_set_type(p7
,type
)
156 PKCS7_content_free(p7
);
157 obj
=OBJ_nid2obj(type
); /* will not fail */
161 case NID_pkcs7_signed
:
163 if ((p7
->d
.sign
=PKCS7_SIGNED_new()) == NULL
)
165 ASN1_INTEGER_set(p7
->d
.sign
->version
,1);
169 if ((p7
->d
.data
=ASN1_OCTET_STRING_new()) == NULL
)
172 case NID_pkcs7_signedAndEnveloped
:
174 if ((p7
->d
.signed_and_enveloped
=PKCS7_SIGN_ENVELOPE_new())
177 ASN1_INTEGER_set(p7
->d
.sign
->version
,1);
179 case NID_pkcs7_digest
:
180 case NID_pkcs7_enveloped
:
181 case NID_pkcs7_encrypted
:
183 PKCS7err(PKCS7_F_PKCS7_SET_TYPE
,PKCS7_R_UNSUPPORTED_CONTENT_TYPE
);
191 int PKCS7_add_signer(p7
,psi
)
193 PKCS7_SIGNER_INFO
*psi
;
200 i
=OBJ_obj2nid(p7
->type
);
203 case NID_pkcs7_signed
:
204 signer_sk
= p7
->d
.sign
->signer_info
;
205 md_sk
= p7
->d
.sign
->md_algs
;
207 case NID_pkcs7_signedAndEnveloped
:
208 signer_sk
= p7
->d
.signed_and_enveloped
->signer_info
;
209 md_sk
= p7
->d
.signed_and_enveloped
->md_algs
;
212 PKCS7err(PKCS7_F_PKCS7_ADD_SIGNER
,PKCS7_R_WRONG_CONTENT_TYPE
);
216 nid
=OBJ_obj2nid(psi
->digest_alg
->algorithm
);
218 /* If the digest is not currently listed, add it */
220 for (i
=0; i
<sk_num(md_sk
); i
++)
222 alg
=(X509_ALGOR
*)sk_value(md_sk
,i
);
223 if (OBJ_obj2nid(alg
->algorithm
) == nid
)
229 if (!j
) /* we need to add another algorithm */
231 alg
=X509_ALGOR_new();
232 alg
->algorithm
=OBJ_nid2obj(nid
);
233 sk_push(md_sk
,(char *)alg
);
236 sk_push(signer_sk
,(char *)psi
);
240 int PKCS7_add_certificate(p7
,x509
)
247 i
=OBJ_obj2nid(p7
->type
);
250 case NID_pkcs7_signed
:
251 sk
= &(p7
->d
.sign
->cert
);
253 case NID_pkcs7_signedAndEnveloped
:
254 sk
= &(p7
->d
.signed_and_enveloped
->cert
);
257 PKCS7err(PKCS7_F_PKCS7_ADD_CERTIFICATE
,PKCS7_R_WRONG_CONTENT_TYPE
);
263 CRYPTO_add(&x509
->references
,1,CRYPTO_LOCK_X509
);
264 sk_push(*sk
,(char *)x509
);
268 int PKCS7_add_crl(p7
,crl
)
275 i
=OBJ_obj2nid(p7
->type
);
278 case NID_pkcs7_signed
:
279 sk
= &(p7
->d
.sign
->crl
);
281 case NID_pkcs7_signedAndEnveloped
:
282 sk
= &(p7
->d
.signed_and_enveloped
->crl
);
285 PKCS7err(PKCS7_F_PKCS7_ADD_CRL
,PKCS7_R_WRONG_CONTENT_TYPE
);
292 CRYPTO_add(&crl
->references
,1,CRYPTO_LOCK_X509_CRL
);
293 sk_push(*sk
,(char *)crl
);
297 int PKCS7_SIGNER_INFO_set(p7i
,x509
,pkey
,dgst
)
298 PKCS7_SIGNER_INFO
*p7i
;
303 /* We now need to add another PKCS7_SIGNER_INFO entry */
304 ASN1_INTEGER_set(p7i
->version
,1);
305 X509_NAME_set(&p7i
->issuer_and_serial
->issuer
,
306 X509_get_issuer_name(x509
));
308 /* because ASN1_INTEGER_set is used to set a 'long' we will do
309 * things the ugly way. */
310 ASN1_INTEGER_free(p7i
->issuer_and_serial
->serial
);
311 p7i
->issuer_and_serial
->serial
=
312 ASN1_INTEGER_dup(X509_get_serialNumber(x509
));
314 /* lets keep the pkey around for a while */
315 CRYPTO_add(&pkey
->references
,1,CRYPTO_LOCK_EVP_PKEY
);
318 /* Set the algorithms */
319 p7i
->digest_alg
->algorithm
=OBJ_nid2obj(EVP_MD_type(dgst
));
320 p7i
->digest_enc_alg
->algorithm
=OBJ_nid2obj(EVP_MD_pkey_type(dgst
));
323 if (p7i
->digest_enc_alg
->parameter
!= NULL
)
324 ASN1_TYPE_free(p7i
->digest_enc_alg
->parameter
);
325 if ((p7i
->digest_enc_alg
->parameter
=ASN1_TYPE_new()) == NULL
)
327 p7i
->digest_enc_alg
->parameter
->type
=V_ASN1_NULL
;
335 PKCS7_SIGNER_INFO
*PKCS7_add_signature(p7
,x509
,pkey
,dgst
)
341 PKCS7_SIGNER_INFO
*si
;
343 if ((si
=PKCS7_SIGNER_INFO_new()) == NULL
) goto err
;
344 if (!PKCS7_SIGNER_INFO_set(si
,x509
,pkey
,dgst
)) goto err
;
345 if (!PKCS7_add_signer(p7
,si
)) goto err
;
351 STACK
*PKCS7_get_signer_info(p7
)
354 if (PKCS7_type_is_signed(p7
))
356 return(p7
->d
.sign
->signer_info
);
362 PKCS7_RECIP_INFO
*PKCS7_add_recipient(p7
,x509
)
366 PKCS7_RECIP_INFO
*ri
;
368 if ((ri
=PKCS7_RECIP_INFO_new()) == NULL
) goto err
;
369 if (!PKCS7_RECIP_INFO_set(ri
,x509
)) goto err
;
370 if (!PKCS7_add_recipient_info(p7
,ri
)) goto err
;
376 int PKCS7_add_recipient_info(p7
,ri
)
378 PKCS7_RECIP_INFO
*ri
;
383 i
=OBJ_obj2nid(p7
->type
);
386 case NID_pkcs7_signedAndEnveloped
:
387 sk
= p7
->d
.signed_and_enveloped
->recipientinfo
;
390 PKCS7err(PKCS7_F_PKCS7_ADD_RECIPIENT_INFO
,PKCS7_R_WRONG_CONTENT_TYPE
);
394 sk_push(sk
,(char *)ri
);
398 int PKCS7_RECIP_INFO_set(p7i
,x509
)
399 PKCS7_RECIP_INFO
*p7i
;
402 ASN1_INTEGER_set(p7i
->version
,0);
403 X509_NAME_set(&p7i
->issuer_and_serial
->issuer
,
404 X509_get_issuer_name(x509
));
406 ASN1_INTEGER_free(p7i
->issuer_and_serial
->serial
);
407 p7i
->issuer_and_serial
->serial
=
408 ASN1_INTEGER_dup(X509_get_serialNumber(x509
));
410 CRYPTO_add(&x509
->references
,1,CRYPTO_LOCK_X509
);
416 X509
*PKCS7_cert_from_signer_info(p7
,si
)
418 PKCS7_SIGNER_INFO
*si
;
420 if (PKCS7_type_is_signed(p7
))
421 return(X509_find_by_issuer_and_serial(p7
->d
.sign
->cert
,
422 si
->issuer_and_serial
->issuer
,
423 si
->issuer_and_serial
->serial
));
428 int PKCS7_set_cipher(p7
,cipher
)
433 PKCS7_ENC_CONTENT
*ec
;
435 i
=OBJ_obj2nid(p7
->type
);
438 case NID_pkcs7_signedAndEnveloped
:
439 ec
=p7
->d
.signed_and_enveloped
->enc_data
;
442 PKCS7err(PKCS7_F_PKCS7_SET_CIPHER
,PKCS7_R_WRONG_CONTENT_TYPE
);
446 ec
->algorithm
->algorithm
=OBJ_nid2obj(EVP_CIPHER_nid(cipher
));
447 return(ec
->algorithm
->algorithm
!= NULL
);