2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
5 /* ====================================================================
6 * Copyright (c) 2000 The OpenSSL Project. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
34 * 6. Redistributions of any form whatsoever must retain the following
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
61 #include <openssl/asn1t.h>
62 #include <openssl/pkcs7.h>
63 #include <openssl/x509.h>
65 /* PKCS#7 ASN1 module */
67 /* This is the ANY DEFINED BY table for the top level PKCS#7 structure */
69 ASN1_ADB_TEMPLATE(p7default) = ASN1_EXP_OPT(PKCS7, d.other, ASN1_ANY, 0);
72 ADB_ENTRY(NID_pkcs7_data, ASN1_NDEF_EXP_OPT(PKCS7, d.data, ASN1_OCTET_STRING_NDEF, 0)),
73 ADB_ENTRY(NID_pkcs7_signed, ASN1_NDEF_EXP_OPT(PKCS7, d.sign, PKCS7_SIGNED, 0)),
74 ADB_ENTRY(NID_pkcs7_enveloped, ASN1_NDEF_EXP_OPT(PKCS7, d.enveloped, PKCS7_ENVELOPE, 0)),
75 ADB_ENTRY(NID_pkcs7_signedAndEnveloped, ASN1_NDEF_EXP_OPT(PKCS7, d.signed_and_enveloped, PKCS7_SIGN_ENVELOPE, 0)),
76 ADB_ENTRY(NID_pkcs7_digest, ASN1_NDEF_EXP_OPT(PKCS7, d.digest, PKCS7_DIGEST, 0)),
77 ADB_ENTRY(NID_pkcs7_encrypted, ASN1_NDEF_EXP_OPT(PKCS7, d.encrypted, PKCS7_ENCRYPT, 0))
78 } ASN1_ADB_END(PKCS7, 0, type, 0, &p7default_tt, NULL);
80 ASN1_NDEF_SEQUENCE(PKCS7) = {
81 ASN1_SIMPLE(PKCS7, type, ASN1_OBJECT),
82 ASN1_ADB_OBJECT(PKCS7)
83 }ASN1_NDEF_SEQUENCE_END(PKCS7)
85 IMPLEMENT_ASN1_FUNCTIONS(PKCS7)
86 IMPLEMENT_ASN1_NDEF_FUNCTION(PKCS7)
87 IMPLEMENT_ASN1_DUP_FUNCTION(PKCS7)
89 ASN1_NDEF_SEQUENCE(PKCS7_SIGNED) = {
90 ASN1_SIMPLE(PKCS7_SIGNED, version, ASN1_INTEGER),
91 ASN1_SET_OF(PKCS7_SIGNED, md_algs, X509_ALGOR),
92 ASN1_SIMPLE(PKCS7_SIGNED, contents, PKCS7),
93 ASN1_IMP_SEQUENCE_OF_OPT(PKCS7_SIGNED, cert, X509, 0),
94 ASN1_IMP_SET_OF_OPT(PKCS7_SIGNED, crl, X509_CRL, 1),
95 ASN1_SET_OF(PKCS7_SIGNED, signer_info, PKCS7_SIGNER_INFO)
96 } ASN1_NDEF_SEQUENCE_END(PKCS7_SIGNED)
98 IMPLEMENT_ASN1_FUNCTIONS(PKCS7_SIGNED)
100 /* Minor tweak to operation: free up EVP_PKEY */
101 static int si_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it)
103 if(operation == ASN1_OP_FREE_POST) {
104 PKCS7_SIGNER_INFO *si = (PKCS7_SIGNER_INFO *)*pval;
105 EVP_PKEY_free(si->pkey);
110 ASN1_SEQUENCE_cb(PKCS7_SIGNER_INFO, si_cb) = {
111 ASN1_SIMPLE(PKCS7_SIGNER_INFO, version, ASN1_INTEGER),
112 ASN1_SIMPLE(PKCS7_SIGNER_INFO, issuer_and_serial, PKCS7_ISSUER_AND_SERIAL),
113 ASN1_SIMPLE(PKCS7_SIGNER_INFO, digest_alg, X509_ALGOR),
114 /* NB this should be a SET OF but we use a SEQUENCE OF so the
115 * original order * is retained when the structure is reencoded.
116 * Since the attributes are implicitly tagged this will not affect
119 ASN1_IMP_SEQUENCE_OF_OPT(PKCS7_SIGNER_INFO, auth_attr, X509_ATTRIBUTE, 0),
120 ASN1_SIMPLE(PKCS7_SIGNER_INFO, digest_enc_alg, X509_ALGOR),
121 ASN1_SIMPLE(PKCS7_SIGNER_INFO, enc_digest, ASN1_OCTET_STRING),
122 ASN1_IMP_SET_OF_OPT(PKCS7_SIGNER_INFO, unauth_attr, X509_ATTRIBUTE, 1)
123 } ASN1_SEQUENCE_END_cb(PKCS7_SIGNER_INFO, PKCS7_SIGNER_INFO)
125 IMPLEMENT_ASN1_FUNCTIONS(PKCS7_SIGNER_INFO)
127 ASN1_SEQUENCE(PKCS7_ISSUER_AND_SERIAL) = {
128 ASN1_SIMPLE(PKCS7_ISSUER_AND_SERIAL, issuer, X509_NAME),
129 ASN1_SIMPLE(PKCS7_ISSUER_AND_SERIAL, serial, ASN1_INTEGER)
130 } ASN1_SEQUENCE_END(PKCS7_ISSUER_AND_SERIAL)
132 IMPLEMENT_ASN1_FUNCTIONS(PKCS7_ISSUER_AND_SERIAL)
134 ASN1_NDEF_SEQUENCE(PKCS7_ENVELOPE) = {
135 ASN1_SIMPLE(PKCS7_ENVELOPE, version, ASN1_INTEGER),
136 ASN1_SET_OF(PKCS7_ENVELOPE, recipientinfo, PKCS7_RECIP_INFO),
137 ASN1_SIMPLE(PKCS7_ENVELOPE, enc_data, PKCS7_ENC_CONTENT)
138 } ASN1_NDEF_SEQUENCE_END(PKCS7_ENVELOPE)
140 IMPLEMENT_ASN1_FUNCTIONS(PKCS7_ENVELOPE)
142 /* Minor tweak to operation: free up X509 */
143 static int ri_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it)
145 if(operation == ASN1_OP_FREE_POST) {
146 PKCS7_RECIP_INFO *ri = (PKCS7_RECIP_INFO *)*pval;
152 ASN1_SEQUENCE_cb(PKCS7_RECIP_INFO, ri_cb) = {
153 ASN1_SIMPLE(PKCS7_RECIP_INFO, version, ASN1_INTEGER),
154 ASN1_SIMPLE(PKCS7_RECIP_INFO, issuer_and_serial, PKCS7_ISSUER_AND_SERIAL),
155 ASN1_SIMPLE(PKCS7_RECIP_INFO, key_enc_algor, X509_ALGOR),
156 ASN1_SIMPLE(PKCS7_RECIP_INFO, enc_key, ASN1_OCTET_STRING)
157 } ASN1_SEQUENCE_END_cb(PKCS7_RECIP_INFO, PKCS7_RECIP_INFO)
159 IMPLEMENT_ASN1_FUNCTIONS(PKCS7_RECIP_INFO)
161 ASN1_NDEF_SEQUENCE(PKCS7_ENC_CONTENT) = {
162 ASN1_SIMPLE(PKCS7_ENC_CONTENT, content_type, ASN1_OBJECT),
163 ASN1_SIMPLE(PKCS7_ENC_CONTENT, algorithm, X509_ALGOR),
164 ASN1_IMP_OPT(PKCS7_ENC_CONTENT, enc_data, ASN1_OCTET_STRING, 0)
165 } ASN1_NDEF_SEQUENCE_END(PKCS7_ENC_CONTENT)
167 IMPLEMENT_ASN1_FUNCTIONS(PKCS7_ENC_CONTENT)
169 ASN1_NDEF_SEQUENCE(PKCS7_SIGN_ENVELOPE) = {
170 ASN1_SIMPLE(PKCS7_SIGN_ENVELOPE, version, ASN1_INTEGER),
171 ASN1_SET_OF(PKCS7_SIGN_ENVELOPE, recipientinfo, PKCS7_RECIP_INFO),
172 ASN1_SET_OF(PKCS7_SIGN_ENVELOPE, md_algs, X509_ALGOR),
173 ASN1_SIMPLE(PKCS7_SIGN_ENVELOPE, enc_data, PKCS7_ENC_CONTENT),
174 ASN1_IMP_SET_OF_OPT(PKCS7_SIGN_ENVELOPE, cert, X509, 0),
175 ASN1_IMP_SET_OF_OPT(PKCS7_SIGN_ENVELOPE, crl, X509_CRL, 1),
176 ASN1_SET_OF(PKCS7_SIGN_ENVELOPE, signer_info, PKCS7_SIGNER_INFO)
177 } ASN1_NDEF_SEQUENCE_END(PKCS7_SIGN_ENVELOPE)
179 IMPLEMENT_ASN1_FUNCTIONS(PKCS7_SIGN_ENVELOPE)
181 ASN1_NDEF_SEQUENCE(PKCS7_ENCRYPT) = {
182 ASN1_SIMPLE(PKCS7_ENCRYPT, version, ASN1_INTEGER),
183 ASN1_SIMPLE(PKCS7_ENCRYPT, enc_data, PKCS7_ENC_CONTENT)
184 } ASN1_NDEF_SEQUENCE_END(PKCS7_ENCRYPT)
186 IMPLEMENT_ASN1_FUNCTIONS(PKCS7_ENCRYPT)
188 ASN1_NDEF_SEQUENCE(PKCS7_DIGEST) = {
189 ASN1_SIMPLE(PKCS7_DIGEST, version, ASN1_INTEGER),
190 ASN1_SIMPLE(PKCS7_DIGEST, md, X509_ALGOR),
191 ASN1_SIMPLE(PKCS7_DIGEST, contents, PKCS7),
192 ASN1_SIMPLE(PKCS7_DIGEST, digest, ASN1_OCTET_STRING)
193 } ASN1_NDEF_SEQUENCE_END(PKCS7_DIGEST)
195 IMPLEMENT_ASN1_FUNCTIONS(PKCS7_DIGEST)
197 /* Specials for authenticated attributes */
199 /* When signing attributes we want to reorder them to match the sorted
203 ASN1_ITEM_TEMPLATE(PKCS7_ATTR_SIGN) =
204 ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SET_ORDER, 0, PKCS7_ATTRIBUTES, X509_ATTRIBUTE)
205 ASN1_ITEM_TEMPLATE_END(PKCS7_ATTR_SIGN)
207 /* When verifying attributes we need to use the received order. So
208 * we use SEQUENCE OF and tag it to SET OF
211 ASN1_ITEM_TEMPLATE(PKCS7_ATTR_VERIFY) =
212 ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF | ASN1_TFLG_IMPTAG | ASN1_TFLG_UNIVERSAL,
213 V_ASN1_SET, PKCS7_ATTRIBUTES, X509_ATTRIBUTE)
214 ASN1_ITEM_TEMPLATE_END(PKCS7_ATTR_VERIFY)