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);