xref: /openbsd/lib/libcrypto/cms/cms_asn1.c (revision 7b36286a)
1 /* crypto/cms/cms_asn1.c */
2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3  * project.
4  */
5 /* ====================================================================
6  * Copyright (c) 2008 The OpenSSL Project.  All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  *
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
18  *    distribution.
19  *
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/)"
24  *
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.
29  *
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.
33  *
34  * 6. Redistributions of any form whatsoever must retain the following
35  *    acknowledgment:
36  *    "This product includes software developed by the OpenSSL Project
37  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38  *
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  * ====================================================================
52  */
53 
54 #include <openssl/asn1t.h>
55 #include <openssl/pem.h>
56 #include <openssl/x509v3.h>
57 #include "cms.h"
58 #include "cms_lcl.h"
59 
60 
61 ASN1_SEQUENCE(CMS_IssuerAndSerialNumber) = {
62 	ASN1_SIMPLE(CMS_IssuerAndSerialNumber, issuer, X509_NAME),
63 	ASN1_SIMPLE(CMS_IssuerAndSerialNumber, serialNumber, ASN1_INTEGER)
64 } ASN1_SEQUENCE_END(CMS_IssuerAndSerialNumber)
65 
66 ASN1_SEQUENCE(CMS_OtherCertificateFormat) = {
67 	ASN1_SIMPLE(CMS_OtherCertificateFormat, otherCertFormat, ASN1_OBJECT),
68 	ASN1_OPT(CMS_OtherCertificateFormat, otherCert, ASN1_ANY)
69 } ASN1_SEQUENCE_END(CMS_OtherCertificateFormat)
70 
71 ASN1_CHOICE(CMS_CertificateChoices) = {
72 	ASN1_SIMPLE(CMS_CertificateChoices, d.certificate, X509),
73 	ASN1_IMP(CMS_CertificateChoices, d.extendedCertificate, ASN1_SEQUENCE, 0),
74 	ASN1_IMP(CMS_CertificateChoices, d.v1AttrCert, ASN1_SEQUENCE, 1),
75 	ASN1_IMP(CMS_CertificateChoices, d.v2AttrCert, ASN1_SEQUENCE, 2),
76 	ASN1_IMP(CMS_CertificateChoices, d.other, CMS_OtherCertificateFormat, 3)
77 } ASN1_CHOICE_END(CMS_CertificateChoices)
78 
79 ASN1_CHOICE(CMS_SignerIdentifier) = {
80 	ASN1_SIMPLE(CMS_SignerIdentifier, d.issuerAndSerialNumber, CMS_IssuerAndSerialNumber),
81 	ASN1_IMP(CMS_SignerIdentifier, d.subjectKeyIdentifier, ASN1_OCTET_STRING, 0)
82 } ASN1_CHOICE_END(CMS_SignerIdentifier)
83 
84 ASN1_NDEF_SEQUENCE(CMS_EncapsulatedContentInfo) = {
85 	ASN1_SIMPLE(CMS_EncapsulatedContentInfo, eContentType, ASN1_OBJECT),
86 	ASN1_NDEF_EXP_OPT(CMS_EncapsulatedContentInfo, eContent, ASN1_OCTET_STRING_NDEF, 0)
87 } ASN1_NDEF_SEQUENCE_END(CMS_EncapsulatedContentInfo)
88 
89 /* Minor tweak to operation: free up signer key, cert */
90 static int cms_si_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it)
91 	{
92 	if(operation == ASN1_OP_FREE_POST)
93 		{
94 		CMS_SignerInfo *si = (CMS_SignerInfo *)*pval;
95 		if (si->pkey)
96 			EVP_PKEY_free(si->pkey);
97 		if (si->signer)
98 			X509_free(si->signer);
99 		}
100 	return 1;
101 	}
102 
103 ASN1_SEQUENCE_cb(CMS_SignerInfo, cms_si_cb) = {
104 	ASN1_SIMPLE(CMS_SignerInfo, version, LONG),
105 	ASN1_SIMPLE(CMS_SignerInfo, sid, CMS_SignerIdentifier),
106 	ASN1_SIMPLE(CMS_SignerInfo, digestAlgorithm, X509_ALGOR),
107 	ASN1_IMP_SET_OF_OPT(CMS_SignerInfo, signedAttrs, X509_ATTRIBUTE, 0),
108 	ASN1_SIMPLE(CMS_SignerInfo, signatureAlgorithm, X509_ALGOR),
109 	ASN1_SIMPLE(CMS_SignerInfo, signature, ASN1_OCTET_STRING),
110 	ASN1_IMP_SET_OF_OPT(CMS_SignerInfo, unsignedAttrs, X509_ATTRIBUTE, 1)
111 } ASN1_SEQUENCE_END_cb(CMS_SignerInfo, CMS_SignerInfo)
112 
113 ASN1_SEQUENCE(CMS_OtherRevocationInfoFormat) = {
114 	ASN1_SIMPLE(CMS_OtherRevocationInfoFormat, otherRevInfoFormat, ASN1_OBJECT),
115 	ASN1_OPT(CMS_OtherRevocationInfoFormat, otherRevInfo, ASN1_ANY)
116 } ASN1_SEQUENCE_END(CMS_OtherRevocationInfoFormat)
117 
118 ASN1_CHOICE(CMS_RevocationInfoChoice) = {
119 	ASN1_SIMPLE(CMS_RevocationInfoChoice, d.crl, X509_CRL),
120 	ASN1_IMP(CMS_RevocationInfoChoice, d.other, CMS_OtherRevocationInfoFormat, 1)
121 } ASN1_CHOICE_END(CMS_RevocationInfoChoice)
122 
123 ASN1_NDEF_SEQUENCE(CMS_SignedData) = {
124 	ASN1_SIMPLE(CMS_SignedData, version, LONG),
125 	ASN1_SET_OF(CMS_SignedData, digestAlgorithms, X509_ALGOR),
126 	ASN1_SIMPLE(CMS_SignedData, encapContentInfo, CMS_EncapsulatedContentInfo),
127 	ASN1_IMP_SET_OF_OPT(CMS_SignedData, certificates, CMS_CertificateChoices, 0),
128 	ASN1_IMP_SET_OF_OPT(CMS_SignedData, crls, CMS_RevocationInfoChoice, 1),
129 	ASN1_SET_OF(CMS_SignedData, signerInfos, CMS_SignerInfo)
130 } ASN1_NDEF_SEQUENCE_END(CMS_SignedData)
131 
132 ASN1_SEQUENCE(CMS_OriginatorInfo) = {
133 	ASN1_IMP_SET_OF_OPT(CMS_SignedData, certificates, CMS_CertificateChoices, 0),
134 	ASN1_IMP_SET_OF_OPT(CMS_SignedData, crls, CMS_RevocationInfoChoice, 1)
135 } ASN1_SEQUENCE_END(CMS_OriginatorInfo)
136 
137 ASN1_NDEF_SEQUENCE(CMS_EncryptedContentInfo) = {
138 	ASN1_SIMPLE(CMS_EncryptedContentInfo, contentType, ASN1_OBJECT),
139 	ASN1_SIMPLE(CMS_EncryptedContentInfo, contentEncryptionAlgorithm, X509_ALGOR),
140 	ASN1_IMP_OPT(CMS_EncryptedContentInfo, encryptedContent, ASN1_OCTET_STRING_NDEF, 0)
141 } ASN1_NDEF_SEQUENCE_END(CMS_EncryptedContentInfo)
142 
143 ASN1_SEQUENCE(CMS_KeyTransRecipientInfo) = {
144 	ASN1_SIMPLE(CMS_KeyTransRecipientInfo, version, LONG),
145 	ASN1_SIMPLE(CMS_KeyTransRecipientInfo, rid, CMS_SignerIdentifier),
146 	ASN1_SIMPLE(CMS_KeyTransRecipientInfo, keyEncryptionAlgorithm, X509_ALGOR),
147 	ASN1_SIMPLE(CMS_KeyTransRecipientInfo, encryptedKey, ASN1_OCTET_STRING)
148 } ASN1_SEQUENCE_END(CMS_KeyTransRecipientInfo)
149 
150 ASN1_SEQUENCE(CMS_OtherKeyAttribute) = {
151 	ASN1_SIMPLE(CMS_OtherKeyAttribute, keyAttrId, ASN1_OBJECT),
152 	ASN1_OPT(CMS_OtherKeyAttribute, keyAttr, ASN1_ANY)
153 } ASN1_SEQUENCE_END(CMS_OtherKeyAttribute)
154 
155 ASN1_SEQUENCE(CMS_RecipientKeyIdentifier) = {
156 	ASN1_SIMPLE(CMS_RecipientKeyIdentifier, subjectKeyIdentifier, ASN1_OCTET_STRING),
157 	ASN1_OPT(CMS_RecipientKeyIdentifier, date, ASN1_GENERALIZEDTIME),
158 	ASN1_OPT(CMS_RecipientKeyIdentifier, other, CMS_OtherKeyAttribute)
159 } ASN1_SEQUENCE_END(CMS_RecipientKeyIdentifier)
160 
161 ASN1_CHOICE(CMS_KeyAgreeRecipientIdentifier) = {
162   ASN1_SIMPLE(CMS_KeyAgreeRecipientIdentifier, d.issuerAndSerialNumber, CMS_IssuerAndSerialNumber),
163   ASN1_IMP(CMS_KeyAgreeRecipientIdentifier, d.rKeyId, CMS_RecipientKeyIdentifier, 0)
164 } ASN1_CHOICE_END(CMS_KeyAgreeRecipientIdentifier)
165 
166 ASN1_SEQUENCE(CMS_RecipientEncryptedKey) = {
167 	ASN1_SIMPLE(CMS_RecipientEncryptedKey, rid, CMS_KeyAgreeRecipientIdentifier),
168 	ASN1_SIMPLE(CMS_RecipientEncryptedKey, encryptedKey, ASN1_OCTET_STRING)
169 } ASN1_SEQUENCE_END(CMS_RecipientEncryptedKey)
170 
171 ASN1_SEQUENCE(CMS_OriginatorPublicKey) = {
172   ASN1_SIMPLE(CMS_OriginatorPublicKey, algorithm, X509_ALGOR),
173   ASN1_SIMPLE(CMS_OriginatorPublicKey, publicKey, ASN1_BIT_STRING)
174 } ASN1_SEQUENCE_END(CMS_OriginatorPublicKey)
175 
176 ASN1_CHOICE(CMS_OriginatorIdentifierOrKey) = {
177   ASN1_SIMPLE(CMS_OriginatorIdentifierOrKey, d.issuerAndSerialNumber, CMS_IssuerAndSerialNumber),
178   ASN1_IMP(CMS_OriginatorIdentifierOrKey, d.subjectKeyIdentifier, ASN1_OCTET_STRING, 0),
179   ASN1_IMP(CMS_OriginatorIdentifierOrKey, d.originatorKey, CMS_OriginatorPublicKey, 1)
180 } ASN1_CHOICE_END(CMS_OriginatorIdentifierOrKey)
181 
182 ASN1_SEQUENCE(CMS_KeyAgreeRecipientInfo) = {
183 	ASN1_SIMPLE(CMS_KeyAgreeRecipientInfo, version, LONG),
184 	ASN1_EXP(CMS_KeyAgreeRecipientInfo, originator, CMS_OriginatorIdentifierOrKey, 0),
185 	ASN1_EXP_OPT(CMS_KeyAgreeRecipientInfo, ukm, ASN1_OCTET_STRING, 1),
186 	ASN1_SIMPLE(CMS_KeyAgreeRecipientInfo, keyEncryptionAlgorithm, X509_ALGOR),
187 	ASN1_SEQUENCE_OF(CMS_KeyAgreeRecipientInfo, recipientEncryptedKeys, CMS_RecipientEncryptedKey)
188 } ASN1_SEQUENCE_END(CMS_KeyAgreeRecipientInfo)
189 
190 ASN1_SEQUENCE(CMS_KEKIdentifier) = {
191 	ASN1_SIMPLE(CMS_KEKIdentifier, keyIdentifier, ASN1_OCTET_STRING),
192 	ASN1_OPT(CMS_KEKIdentifier, date, ASN1_GENERALIZEDTIME),
193 	ASN1_OPT(CMS_KEKIdentifier, other, CMS_OtherKeyAttribute)
194 } ASN1_SEQUENCE_END(CMS_KEKIdentifier)
195 
196 ASN1_SEQUENCE(CMS_KEKRecipientInfo) = {
197 	ASN1_SIMPLE(CMS_KEKRecipientInfo, version, LONG),
198 	ASN1_SIMPLE(CMS_KEKRecipientInfo, kekid, CMS_KEKIdentifier),
199 	ASN1_SIMPLE(CMS_KEKRecipientInfo, keyEncryptionAlgorithm, X509_ALGOR),
200 	ASN1_SIMPLE(CMS_KEKRecipientInfo, encryptedKey, ASN1_OCTET_STRING)
201 } ASN1_SEQUENCE_END(CMS_KEKRecipientInfo)
202 
203 ASN1_SEQUENCE(CMS_PasswordRecipientInfo) = {
204 	ASN1_SIMPLE(CMS_PasswordRecipientInfo, version, LONG),
205 	ASN1_IMP_OPT(CMS_PasswordRecipientInfo, keyDerivationAlgorithm, X509_ALGOR, 0),
206 	ASN1_SIMPLE(CMS_PasswordRecipientInfo, keyEncryptionAlgorithm, X509_ALGOR),
207 	ASN1_SIMPLE(CMS_PasswordRecipientInfo, encryptedKey, ASN1_OCTET_STRING)
208 } ASN1_SEQUENCE_END(CMS_PasswordRecipientInfo)
209 
210 ASN1_SEQUENCE(CMS_OtherRecipientInfo) = {
211   ASN1_SIMPLE(CMS_OtherRecipientInfo, oriType, ASN1_OBJECT),
212   ASN1_OPT(CMS_OtherRecipientInfo, oriValue, ASN1_ANY)
213 } ASN1_SEQUENCE_END(CMS_OtherRecipientInfo)
214 
215 /* Free up RecipientInfo additional data */
216 static int cms_ri_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it)
217 	{
218 	if(operation == ASN1_OP_FREE_PRE)
219 		{
220 		CMS_RecipientInfo *ri = (CMS_RecipientInfo *)*pval;
221 		if (ri->type == CMS_RECIPINFO_TRANS)
222 			{
223 			CMS_KeyTransRecipientInfo *ktri = ri->d.ktri;
224 			if (ktri->pkey)
225 				EVP_PKEY_free(ktri->pkey);
226 			if (ktri->recip)
227 				X509_free(ktri->recip);
228 			}
229 		else if (ri->type == CMS_RECIPINFO_KEK)
230 			{
231 			CMS_KEKRecipientInfo *kekri = ri->d.kekri;
232 			if (kekri->key)
233 				{
234 				OPENSSL_cleanse(kekri->key, kekri->keylen);
235 				OPENSSL_free(kekri->key);
236 				}
237 			}
238 		}
239 	return 1;
240 	}
241 
242 ASN1_CHOICE_cb(CMS_RecipientInfo, cms_ri_cb) = {
243 	ASN1_SIMPLE(CMS_RecipientInfo, d.ktri, CMS_KeyTransRecipientInfo),
244 	ASN1_IMP(CMS_RecipientInfo, d.kari, CMS_KeyAgreeRecipientInfo, 1),
245 	ASN1_IMP(CMS_RecipientInfo, d.kekri, CMS_KEKRecipientInfo, 2),
246 	ASN1_IMP(CMS_RecipientInfo, d.pwri, CMS_PasswordRecipientInfo, 3),
247 	ASN1_IMP(CMS_RecipientInfo, d.ori, CMS_OtherRecipientInfo, 4)
248 } ASN1_CHOICE_END_cb(CMS_RecipientInfo, CMS_RecipientInfo, type)
249 
250 ASN1_NDEF_SEQUENCE(CMS_EnvelopedData) = {
251 	ASN1_SIMPLE(CMS_EnvelopedData, version, LONG),
252 	ASN1_IMP_OPT(CMS_EnvelopedData, originatorInfo, CMS_OriginatorInfo, 0),
253 	ASN1_SET_OF(CMS_EnvelopedData, recipientInfos, CMS_RecipientInfo),
254 	ASN1_SIMPLE(CMS_EnvelopedData, encryptedContentInfo, CMS_EncryptedContentInfo),
255 	ASN1_IMP_SET_OF_OPT(CMS_EnvelopedData, unprotectedAttrs, X509_ATTRIBUTE, 1)
256 } ASN1_NDEF_SEQUENCE_END(CMS_EnvelopedData)
257 
258 ASN1_NDEF_SEQUENCE(CMS_DigestedData) = {
259 	ASN1_SIMPLE(CMS_DigestedData, version, LONG),
260 	ASN1_SIMPLE(CMS_DigestedData, digestAlgorithm, X509_ALGOR),
261 	ASN1_SIMPLE(CMS_DigestedData, encapContentInfo, CMS_EncapsulatedContentInfo),
262 	ASN1_SIMPLE(CMS_DigestedData, digest, ASN1_OCTET_STRING)
263 } ASN1_NDEF_SEQUENCE_END(CMS_DigestedData)
264 
265 ASN1_NDEF_SEQUENCE(CMS_EncryptedData) = {
266 	ASN1_SIMPLE(CMS_EncryptedData, version, LONG),
267 	ASN1_SIMPLE(CMS_EncryptedData, encryptedContentInfo, CMS_EncryptedContentInfo),
268 	ASN1_IMP_SET_OF_OPT(CMS_EncryptedData, unprotectedAttrs, X509_ATTRIBUTE, 1)
269 } ASN1_NDEF_SEQUENCE_END(CMS_EncryptedData)
270 
271 ASN1_NDEF_SEQUENCE(CMS_AuthenticatedData) = {
272 	ASN1_SIMPLE(CMS_AuthenticatedData, version, LONG),
273 	ASN1_IMP_OPT(CMS_AuthenticatedData, originatorInfo, CMS_OriginatorInfo, 0),
274 	ASN1_SET_OF(CMS_AuthenticatedData, recipientInfos, CMS_RecipientInfo),
275 	ASN1_SIMPLE(CMS_AuthenticatedData, macAlgorithm, X509_ALGOR),
276 	ASN1_IMP(CMS_AuthenticatedData, digestAlgorithm, X509_ALGOR, 1),
277 	ASN1_SIMPLE(CMS_AuthenticatedData, encapContentInfo, CMS_EncapsulatedContentInfo),
278 	ASN1_IMP_SET_OF_OPT(CMS_AuthenticatedData, authAttrs, X509_ALGOR, 2),
279 	ASN1_SIMPLE(CMS_AuthenticatedData, mac, ASN1_OCTET_STRING),
280 	ASN1_IMP_SET_OF_OPT(CMS_AuthenticatedData, unauthAttrs, X509_ALGOR, 3)
281 } ASN1_NDEF_SEQUENCE_END(CMS_AuthenticatedData)
282 
283 ASN1_NDEF_SEQUENCE(CMS_CompressedData) = {
284 	ASN1_SIMPLE(CMS_CompressedData, version, LONG),
285 	ASN1_SIMPLE(CMS_CompressedData, compressionAlgorithm, X509_ALGOR),
286 	ASN1_SIMPLE(CMS_CompressedData, encapContentInfo, CMS_EncapsulatedContentInfo),
287 } ASN1_NDEF_SEQUENCE_END(CMS_CompressedData)
288 
289 /* This is the ANY DEFINED BY table for the top level ContentInfo structure */
290 
291 ASN1_ADB_TEMPLATE(cms_default) = ASN1_EXP(CMS_ContentInfo, d.other, ASN1_ANY, 0);
292 
293 ASN1_ADB(CMS_ContentInfo) = {
294 	ADB_ENTRY(NID_pkcs7_data, ASN1_NDEF_EXP(CMS_ContentInfo, d.data, ASN1_OCTET_STRING_NDEF, 0)),
295 	ADB_ENTRY(NID_pkcs7_signed, ASN1_NDEF_EXP(CMS_ContentInfo, d.signedData, CMS_SignedData, 0)),
296 	ADB_ENTRY(NID_pkcs7_enveloped, ASN1_NDEF_EXP(CMS_ContentInfo, d.envelopedData, CMS_EnvelopedData, 0)),
297 	ADB_ENTRY(NID_pkcs7_digest, ASN1_NDEF_EXP(CMS_ContentInfo, d.digestedData, CMS_DigestedData, 0)),
298 	ADB_ENTRY(NID_pkcs7_encrypted, ASN1_NDEF_EXP(CMS_ContentInfo, d.encryptedData, CMS_EncryptedData, 0)),
299 	ADB_ENTRY(NID_id_smime_ct_authData, ASN1_NDEF_EXP(CMS_ContentInfo, d.authenticatedData, CMS_AuthenticatedData, 0)),
300 	ADB_ENTRY(NID_id_smime_ct_compressedData, ASN1_NDEF_EXP(CMS_ContentInfo, d.compressedData, CMS_CompressedData, 0)),
301 } ASN1_ADB_END(CMS_ContentInfo, 0, contentType, 0, &cms_default_tt, NULL);
302 
303 ASN1_NDEF_SEQUENCE(CMS_ContentInfo) = {
304 	ASN1_SIMPLE(CMS_ContentInfo, contentType, ASN1_OBJECT),
305 	ASN1_ADB_OBJECT(CMS_ContentInfo)
306 } ASN1_NDEF_SEQUENCE_END(CMS_ContentInfo)
307 
308 /* Specials for signed attributes */
309 
310 /* When signing attributes we want to reorder them to match the sorted
311  * encoding.
312  */
313 
314 ASN1_ITEM_TEMPLATE(CMS_Attributes_Sign) =
315 	ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SET_ORDER, 0, CMS_ATTRIBUTES, X509_ATTRIBUTE)
316 ASN1_ITEM_TEMPLATE_END(CMS_Attributes_Sign)
317 
318 /* When verifying attributes we need to use the received order. So
319  * we use SEQUENCE OF and tag it to SET OF
320  */
321 
322 ASN1_ITEM_TEMPLATE(CMS_Attributes_Verify) =
323 	ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF | ASN1_TFLG_IMPTAG | ASN1_TFLG_UNIVERSAL,
324 				V_ASN1_SET, CMS_ATTRIBUTES, X509_ATTRIBUTE)
325 ASN1_ITEM_TEMPLATE_END(CMS_Attributes_Verify)
326 
327 
328 
329 ASN1_CHOICE(CMS_ReceiptsFrom) = {
330   ASN1_IMP(CMS_ReceiptsFrom, d.allOrFirstTier, LONG, 0),
331   ASN1_IMP_SEQUENCE_OF(CMS_ReceiptsFrom, d.receiptList, GENERAL_NAMES, 1)
332 } ASN1_CHOICE_END(CMS_ReceiptsFrom)
333 
334 ASN1_SEQUENCE(CMS_ReceiptRequest) = {
335   ASN1_SIMPLE(CMS_ReceiptRequest, signedContentIdentifier, ASN1_OCTET_STRING),
336   ASN1_SIMPLE(CMS_ReceiptRequest, receiptsFrom, CMS_ReceiptsFrom),
337   ASN1_SEQUENCE_OF(CMS_ReceiptRequest, receiptsTo, GENERAL_NAMES)
338 } ASN1_SEQUENCE_END(CMS_ReceiptRequest)
339 
340 ASN1_SEQUENCE(CMS_Receipt) = {
341   ASN1_SIMPLE(CMS_Receipt, version, LONG),
342   ASN1_SIMPLE(CMS_Receipt, contentType, ASN1_OBJECT),
343   ASN1_SIMPLE(CMS_Receipt, signedContentIdentifier, ASN1_OCTET_STRING),
344   ASN1_SIMPLE(CMS_Receipt, originatorSignatureValue, ASN1_OCTET_STRING)
345 } ASN1_SEQUENCE_END(CMS_Receipt)
346 
347