cms_asn1.c revision 296465 
1/* crypto/cms/cms_asn1.c */
2/*
3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
4 * project.
5 */
6/* ====================================================================
7 * Copyright (c) 2008 The OpenSSL Project.  All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 *
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in
18 *    the documentation and/or other materials provided with the
19 *    distribution.
20 *
21 * 3. All advertising materials mentioning features or use of this
22 *    software must display the following acknowledgment:
23 *    "This product includes software developed by the OpenSSL Project
24 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
25 *
26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27 *    endorse or promote products derived from this software without
28 *    prior written permission. For written permission, please contact
29 *    licensing@OpenSSL.org.
30 *
31 * 5. Products derived from this software may not be called "OpenSSL"
32 *    nor may "OpenSSL" appear in their names without prior written
33 *    permission of the OpenSSL Project.
34 *
35 * 6. Redistributions of any form whatsoever must retain the following
36 *    acknowledgment:
37 *    "This product includes software developed by the OpenSSL Project
38 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
39 *
40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51 * OF THE POSSIBILITY OF SUCH DAMAGE.
52 * ====================================================================
53 */
54
55#include <openssl/asn1t.h>
56#include <openssl/pem.h>
57#include <openssl/x509v3.h>
58#include "cms.h"
59#include "cms_lcl.h"
60
61
62ASN1_SEQUENCE(CMS_IssuerAndSerialNumber) = {
63        ASN1_SIMPLE(CMS_IssuerAndSerialNumber, issuer, X509_NAME),
64        ASN1_SIMPLE(CMS_IssuerAndSerialNumber, serialNumber, ASN1_INTEGER)
65} ASN1_SEQUENCE_END(CMS_IssuerAndSerialNumber)
66
67ASN1_SEQUENCE(CMS_OtherCertificateFormat) = {
68        ASN1_SIMPLE(CMS_OtherCertificateFormat, otherCertFormat, ASN1_OBJECT),
69        ASN1_OPT(CMS_OtherCertificateFormat, otherCert, ASN1_ANY)
70} ASN1_SEQUENCE_END(CMS_OtherCertificateFormat)
71
72ASN1_CHOICE(CMS_CertificateChoices) = {
73        ASN1_SIMPLE(CMS_CertificateChoices, d.certificate, X509),
74        ASN1_IMP(CMS_CertificateChoices, d.extendedCertificate, ASN1_SEQUENCE, 0),
75        ASN1_IMP(CMS_CertificateChoices, d.v1AttrCert, ASN1_SEQUENCE, 1),
76        ASN1_IMP(CMS_CertificateChoices, d.v2AttrCert, ASN1_SEQUENCE, 2),
77        ASN1_IMP(CMS_CertificateChoices, d.other, CMS_OtherCertificateFormat, 3)
78} ASN1_CHOICE_END(CMS_CertificateChoices)
79
80ASN1_CHOICE(CMS_SignerIdentifier) = {
81        ASN1_SIMPLE(CMS_SignerIdentifier, d.issuerAndSerialNumber, CMS_IssuerAndSerialNumber),
82        ASN1_IMP(CMS_SignerIdentifier, d.subjectKeyIdentifier, ASN1_OCTET_STRING, 0)
83} ASN1_CHOICE_END(CMS_SignerIdentifier)
84
85ASN1_NDEF_SEQUENCE(CMS_EncapsulatedContentInfo) = {
86        ASN1_SIMPLE(CMS_EncapsulatedContentInfo, eContentType, ASN1_OBJECT),
87        ASN1_NDEF_EXP_OPT(CMS_EncapsulatedContentInfo, eContent, ASN1_OCTET_STRING_NDEF, 0)
88} ASN1_NDEF_SEQUENCE_END(CMS_EncapsulatedContentInfo)
89
90/* Minor tweak to operation: free up signer key, cert */
91static int cms_si_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it)
92{
93    if (operation == ASN1_OP_FREE_POST) {
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
103ASN1_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
113ASN1_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
118ASN1_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
123ASN1_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
132ASN1_SEQUENCE(CMS_OriginatorInfo) = {
133        ASN1_IMP_SET_OF_OPT(CMS_OriginatorInfo, certificates, CMS_CertificateChoices, 0),
134        ASN1_IMP_SET_OF_OPT(CMS_OriginatorInfo, crls, CMS_RevocationInfoChoice, 1)
135} ASN1_SEQUENCE_END(CMS_OriginatorInfo)
136
137ASN1_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
143ASN1_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
150ASN1_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
155ASN1_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
161ASN1_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
166ASN1_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
171ASN1_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
176ASN1_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
182ASN1_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
190ASN1_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
196ASN1_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
203ASN1_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
210ASN1_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 */
216static int cms_ri_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it)
217{
218    if (operation == ASN1_OP_FREE_PRE) {
219        CMS_RecipientInfo *ri = (CMS_RecipientInfo *)*pval;
220        if (ri->type == CMS_RECIPINFO_TRANS) {
221            CMS_KeyTransRecipientInfo *ktri = ri->d.ktri;
222            if (ktri->pkey)
223                EVP_PKEY_free(ktri->pkey);
224            if (ktri->recip)
225                X509_free(ktri->recip);
226        } else if (ri->type == CMS_RECIPINFO_KEK) {
227            CMS_KEKRecipientInfo *kekri = ri->d.kekri;
228            if (kekri->key) {
229                OPENSSL_cleanse(kekri->key, kekri->keylen);
230                OPENSSL_free(kekri->key);
231            }
232        }
233    }
234    return 1;
235}
236
237ASN1_CHOICE_cb(CMS_RecipientInfo, cms_ri_cb) = {
238        ASN1_SIMPLE(CMS_RecipientInfo, d.ktri, CMS_KeyTransRecipientInfo),
239        ASN1_IMP(CMS_RecipientInfo, d.kari, CMS_KeyAgreeRecipientInfo, 1),
240        ASN1_IMP(CMS_RecipientInfo, d.kekri, CMS_KEKRecipientInfo, 2),
241        ASN1_IMP(CMS_RecipientInfo, d.pwri, CMS_PasswordRecipientInfo, 3),
242        ASN1_IMP(CMS_RecipientInfo, d.ori, CMS_OtherRecipientInfo, 4)
243} ASN1_CHOICE_END_cb(CMS_RecipientInfo, CMS_RecipientInfo, type)
244
245ASN1_NDEF_SEQUENCE(CMS_EnvelopedData) = {
246        ASN1_SIMPLE(CMS_EnvelopedData, version, LONG),
247        ASN1_IMP_OPT(CMS_EnvelopedData, originatorInfo, CMS_OriginatorInfo, 0),
248        ASN1_SET_OF(CMS_EnvelopedData, recipientInfos, CMS_RecipientInfo),
249        ASN1_SIMPLE(CMS_EnvelopedData, encryptedContentInfo, CMS_EncryptedContentInfo),
250        ASN1_IMP_SET_OF_OPT(CMS_EnvelopedData, unprotectedAttrs, X509_ATTRIBUTE, 1)
251} ASN1_NDEF_SEQUENCE_END(CMS_EnvelopedData)
252
253ASN1_NDEF_SEQUENCE(CMS_DigestedData) = {
254        ASN1_SIMPLE(CMS_DigestedData, version, LONG),
255        ASN1_SIMPLE(CMS_DigestedData, digestAlgorithm, X509_ALGOR),
256        ASN1_SIMPLE(CMS_DigestedData, encapContentInfo, CMS_EncapsulatedContentInfo),
257        ASN1_SIMPLE(CMS_DigestedData, digest, ASN1_OCTET_STRING)
258} ASN1_NDEF_SEQUENCE_END(CMS_DigestedData)
259
260ASN1_NDEF_SEQUENCE(CMS_EncryptedData) = {
261        ASN1_SIMPLE(CMS_EncryptedData, version, LONG),
262        ASN1_SIMPLE(CMS_EncryptedData, encryptedContentInfo, CMS_EncryptedContentInfo),
263        ASN1_IMP_SET_OF_OPT(CMS_EncryptedData, unprotectedAttrs, X509_ATTRIBUTE, 1)
264} ASN1_NDEF_SEQUENCE_END(CMS_EncryptedData)
265
266ASN1_NDEF_SEQUENCE(CMS_AuthenticatedData) = {
267        ASN1_SIMPLE(CMS_AuthenticatedData, version, LONG),
268        ASN1_IMP_OPT(CMS_AuthenticatedData, originatorInfo, CMS_OriginatorInfo, 0),
269        ASN1_SET_OF(CMS_AuthenticatedData, recipientInfos, CMS_RecipientInfo),
270        ASN1_SIMPLE(CMS_AuthenticatedData, macAlgorithm, X509_ALGOR),
271        ASN1_IMP(CMS_AuthenticatedData, digestAlgorithm, X509_ALGOR, 1),
272        ASN1_SIMPLE(CMS_AuthenticatedData, encapContentInfo, CMS_EncapsulatedContentInfo),
273        ASN1_IMP_SET_OF_OPT(CMS_AuthenticatedData, authAttrs, X509_ALGOR, 2),
274        ASN1_SIMPLE(CMS_AuthenticatedData, mac, ASN1_OCTET_STRING),
275        ASN1_IMP_SET_OF_OPT(CMS_AuthenticatedData, unauthAttrs, X509_ALGOR, 3)
276} ASN1_NDEF_SEQUENCE_END(CMS_AuthenticatedData)
277
278ASN1_NDEF_SEQUENCE(CMS_CompressedData) = {
279        ASN1_SIMPLE(CMS_CompressedData, version, LONG),
280        ASN1_SIMPLE(CMS_CompressedData, compressionAlgorithm, X509_ALGOR),
281        ASN1_SIMPLE(CMS_CompressedData, encapContentInfo, CMS_EncapsulatedContentInfo),
282} ASN1_NDEF_SEQUENCE_END(CMS_CompressedData)
283
284/* This is the ANY DEFINED BY table for the top level ContentInfo structure */
285
286ASN1_ADB_TEMPLATE(cms_default) = ASN1_EXP(CMS_ContentInfo, d.other, ASN1_ANY, 0);
287
288ASN1_ADB(CMS_ContentInfo) = {
289        ADB_ENTRY(NID_pkcs7_data, ASN1_NDEF_EXP(CMS_ContentInfo, d.data, ASN1_OCTET_STRING_NDEF, 0)),
290        ADB_ENTRY(NID_pkcs7_signed, ASN1_NDEF_EXP(CMS_ContentInfo, d.signedData, CMS_SignedData, 0)),
291        ADB_ENTRY(NID_pkcs7_enveloped, ASN1_NDEF_EXP(CMS_ContentInfo, d.envelopedData, CMS_EnvelopedData, 0)),
292        ADB_ENTRY(NID_pkcs7_digest, ASN1_NDEF_EXP(CMS_ContentInfo, d.digestedData, CMS_DigestedData, 0)),
293        ADB_ENTRY(NID_pkcs7_encrypted, ASN1_NDEF_EXP(CMS_ContentInfo, d.encryptedData, CMS_EncryptedData, 0)),
294        ADB_ENTRY(NID_id_smime_ct_authData, ASN1_NDEF_EXP(CMS_ContentInfo, d.authenticatedData, CMS_AuthenticatedData, 0)),
295        ADB_ENTRY(NID_id_smime_ct_compressedData, ASN1_NDEF_EXP(CMS_ContentInfo, d.compressedData, CMS_CompressedData, 0)),
296} ASN1_ADB_END(CMS_ContentInfo, 0, contentType, 0, &cms_default_tt, NULL);
297
298ASN1_NDEF_SEQUENCE(CMS_ContentInfo) = {
299        ASN1_SIMPLE(CMS_ContentInfo, contentType, ASN1_OBJECT),
300        ASN1_ADB_OBJECT(CMS_ContentInfo)
301} ASN1_NDEF_SEQUENCE_END(CMS_ContentInfo)
302
303/* Specials for signed attributes */
304
305/*
306 * When signing attributes we want to reorder them to match the sorted
307 * encoding.
308 */
309
310ASN1_ITEM_TEMPLATE(CMS_Attributes_Sign) =
311        ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SET_ORDER, 0, CMS_ATTRIBUTES, X509_ATTRIBUTE)
312ASN1_ITEM_TEMPLATE_END(CMS_Attributes_Sign)
313
314/*
315 * When verifying attributes we need to use the received order. So we use
316 * SEQUENCE OF and tag it to SET OF
317 */
318
319ASN1_ITEM_TEMPLATE(CMS_Attributes_Verify) =
320        ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF | ASN1_TFLG_IMPTAG | ASN1_TFLG_UNIVERSAL,
321                                V_ASN1_SET, CMS_ATTRIBUTES, X509_ATTRIBUTE)
322ASN1_ITEM_TEMPLATE_END(CMS_Attributes_Verify)
323
324
325
326ASN1_CHOICE(CMS_ReceiptsFrom) = {
327  ASN1_IMP(CMS_ReceiptsFrom, d.allOrFirstTier, LONG, 0),
328  ASN1_IMP_SEQUENCE_OF(CMS_ReceiptsFrom, d.receiptList, GENERAL_NAMES, 1)
329} ASN1_CHOICE_END(CMS_ReceiptsFrom)
330
331ASN1_SEQUENCE(CMS_ReceiptRequest) = {
332  ASN1_SIMPLE(CMS_ReceiptRequest, signedContentIdentifier, ASN1_OCTET_STRING),
333  ASN1_SIMPLE(CMS_ReceiptRequest, receiptsFrom, CMS_ReceiptsFrom),
334  ASN1_SEQUENCE_OF(CMS_ReceiptRequest, receiptsTo, GENERAL_NAMES)
335} ASN1_SEQUENCE_END(CMS_ReceiptRequest)
336
337ASN1_SEQUENCE(CMS_Receipt) = {
338  ASN1_SIMPLE(CMS_Receipt, version, LONG),
339  ASN1_SIMPLE(CMS_Receipt, contentType, ASN1_OBJECT),
340  ASN1_SIMPLE(CMS_Receipt, signedContentIdentifier, ASN1_OCTET_STRING),
341  ASN1_SIMPLE(CMS_Receipt, originatorSignatureValue, ASN1_OCTET_STRING)
342} ASN1_SEQUENCE_END(CMS_Receipt)
343