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
61ASN1_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
66ASN1_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
71ASN1_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
79ASN1_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
84ASN1_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 */
90static int cms_si_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
91							void *exarg)
92	{
93	if(operation == ASN1_OP_FREE_POST)
94		{
95		CMS_SignerInfo *si = (CMS_SignerInfo *)*pval;
96		if (si->pkey)
97			EVP_PKEY_free(si->pkey);
98		if (si->signer)
99			X509_free(si->signer);
100		}
101	return 1;
102	}
103
104ASN1_SEQUENCE_cb(CMS_SignerInfo, cms_si_cb) = {
105	ASN1_SIMPLE(CMS_SignerInfo, version, LONG),
106	ASN1_SIMPLE(CMS_SignerInfo, sid, CMS_SignerIdentifier),
107	ASN1_SIMPLE(CMS_SignerInfo, digestAlgorithm, X509_ALGOR),
108	ASN1_IMP_SET_OF_OPT(CMS_SignerInfo, signedAttrs, X509_ATTRIBUTE, 0),
109	ASN1_SIMPLE(CMS_SignerInfo, signatureAlgorithm, X509_ALGOR),
110	ASN1_SIMPLE(CMS_SignerInfo, signature, ASN1_OCTET_STRING),
111	ASN1_IMP_SET_OF_OPT(CMS_SignerInfo, unsignedAttrs, X509_ATTRIBUTE, 1)
112} ASN1_SEQUENCE_END_cb(CMS_SignerInfo, CMS_SignerInfo)
113
114ASN1_SEQUENCE(CMS_OtherRevocationInfoFormat) = {
115	ASN1_SIMPLE(CMS_OtherRevocationInfoFormat, otherRevInfoFormat, ASN1_OBJECT),
116	ASN1_OPT(CMS_OtherRevocationInfoFormat, otherRevInfo, ASN1_ANY)
117} ASN1_SEQUENCE_END(CMS_OtherRevocationInfoFormat)
118
119ASN1_CHOICE(CMS_RevocationInfoChoice) = {
120	ASN1_SIMPLE(CMS_RevocationInfoChoice, d.crl, X509_CRL),
121	ASN1_IMP(CMS_RevocationInfoChoice, d.other, CMS_OtherRevocationInfoFormat, 1)
122} ASN1_CHOICE_END(CMS_RevocationInfoChoice)
123
124ASN1_NDEF_SEQUENCE(CMS_SignedData) = {
125	ASN1_SIMPLE(CMS_SignedData, version, LONG),
126	ASN1_SET_OF(CMS_SignedData, digestAlgorithms, X509_ALGOR),
127	ASN1_SIMPLE(CMS_SignedData, encapContentInfo, CMS_EncapsulatedContentInfo),
128	ASN1_IMP_SET_OF_OPT(CMS_SignedData, certificates, CMS_CertificateChoices, 0),
129	ASN1_IMP_SET_OF_OPT(CMS_SignedData, crls, CMS_RevocationInfoChoice, 1),
130	ASN1_SET_OF(CMS_SignedData, signerInfos, CMS_SignerInfo)
131} ASN1_NDEF_SEQUENCE_END(CMS_SignedData)
132
133ASN1_SEQUENCE(CMS_OriginatorInfo) = {
134	ASN1_IMP_SET_OF_OPT(CMS_OriginatorInfo, certificates, CMS_CertificateChoices, 0),
135	ASN1_IMP_SET_OF_OPT(CMS_OriginatorInfo, crls, CMS_RevocationInfoChoice, 1)
136} ASN1_SEQUENCE_END(CMS_OriginatorInfo)
137
138ASN1_NDEF_SEQUENCE(CMS_EncryptedContentInfo) = {
139	ASN1_SIMPLE(CMS_EncryptedContentInfo, contentType, ASN1_OBJECT),
140	ASN1_SIMPLE(CMS_EncryptedContentInfo, contentEncryptionAlgorithm, X509_ALGOR),
141	ASN1_IMP_OPT(CMS_EncryptedContentInfo, encryptedContent, ASN1_OCTET_STRING_NDEF, 0)
142} ASN1_NDEF_SEQUENCE_END(CMS_EncryptedContentInfo)
143
144ASN1_SEQUENCE(CMS_KeyTransRecipientInfo) = {
145	ASN1_SIMPLE(CMS_KeyTransRecipientInfo, version, LONG),
146	ASN1_SIMPLE(CMS_KeyTransRecipientInfo, rid, CMS_SignerIdentifier),
147	ASN1_SIMPLE(CMS_KeyTransRecipientInfo, keyEncryptionAlgorithm, X509_ALGOR),
148	ASN1_SIMPLE(CMS_KeyTransRecipientInfo, encryptedKey, ASN1_OCTET_STRING)
149} ASN1_SEQUENCE_END(CMS_KeyTransRecipientInfo)
150
151ASN1_SEQUENCE(CMS_OtherKeyAttribute) = {
152	ASN1_SIMPLE(CMS_OtherKeyAttribute, keyAttrId, ASN1_OBJECT),
153	ASN1_OPT(CMS_OtherKeyAttribute, keyAttr, ASN1_ANY)
154} ASN1_SEQUENCE_END(CMS_OtherKeyAttribute)
155
156ASN1_SEQUENCE(CMS_RecipientKeyIdentifier) = {
157	ASN1_SIMPLE(CMS_RecipientKeyIdentifier, subjectKeyIdentifier, ASN1_OCTET_STRING),
158	ASN1_OPT(CMS_RecipientKeyIdentifier, date, ASN1_GENERALIZEDTIME),
159	ASN1_OPT(CMS_RecipientKeyIdentifier, other, CMS_OtherKeyAttribute)
160} ASN1_SEQUENCE_END(CMS_RecipientKeyIdentifier)
161
162ASN1_CHOICE(CMS_KeyAgreeRecipientIdentifier) = {
163  ASN1_SIMPLE(CMS_KeyAgreeRecipientIdentifier, d.issuerAndSerialNumber, CMS_IssuerAndSerialNumber),
164  ASN1_IMP(CMS_KeyAgreeRecipientIdentifier, d.rKeyId, CMS_RecipientKeyIdentifier, 0)
165} ASN1_CHOICE_END(CMS_KeyAgreeRecipientIdentifier)
166
167ASN1_SEQUENCE(CMS_RecipientEncryptedKey) = {
168	ASN1_SIMPLE(CMS_RecipientEncryptedKey, rid, CMS_KeyAgreeRecipientIdentifier),
169	ASN1_SIMPLE(CMS_RecipientEncryptedKey, encryptedKey, ASN1_OCTET_STRING)
170} ASN1_SEQUENCE_END(CMS_RecipientEncryptedKey)
171
172ASN1_SEQUENCE(CMS_OriginatorPublicKey) = {
173  ASN1_SIMPLE(CMS_OriginatorPublicKey, algorithm, X509_ALGOR),
174  ASN1_SIMPLE(CMS_OriginatorPublicKey, publicKey, ASN1_BIT_STRING)
175} ASN1_SEQUENCE_END(CMS_OriginatorPublicKey)
176
177ASN1_CHOICE(CMS_OriginatorIdentifierOrKey) = {
178  ASN1_SIMPLE(CMS_OriginatorIdentifierOrKey, d.issuerAndSerialNumber, CMS_IssuerAndSerialNumber),
179  ASN1_IMP(CMS_OriginatorIdentifierOrKey, d.subjectKeyIdentifier, ASN1_OCTET_STRING, 0),
180  ASN1_IMP(CMS_OriginatorIdentifierOrKey, d.originatorKey, CMS_OriginatorPublicKey, 1)
181} ASN1_CHOICE_END(CMS_OriginatorIdentifierOrKey)
182
183ASN1_SEQUENCE(CMS_KeyAgreeRecipientInfo) = {
184	ASN1_SIMPLE(CMS_KeyAgreeRecipientInfo, version, LONG),
185	ASN1_EXP(CMS_KeyAgreeRecipientInfo, originator, CMS_OriginatorIdentifierOrKey, 0),
186	ASN1_EXP_OPT(CMS_KeyAgreeRecipientInfo, ukm, ASN1_OCTET_STRING, 1),
187	ASN1_SIMPLE(CMS_KeyAgreeRecipientInfo, keyEncryptionAlgorithm, X509_ALGOR),
188	ASN1_SEQUENCE_OF(CMS_KeyAgreeRecipientInfo, recipientEncryptedKeys, CMS_RecipientEncryptedKey)
189} ASN1_SEQUENCE_END(CMS_KeyAgreeRecipientInfo)
190
191ASN1_SEQUENCE(CMS_KEKIdentifier) = {
192	ASN1_SIMPLE(CMS_KEKIdentifier, keyIdentifier, ASN1_OCTET_STRING),
193	ASN1_OPT(CMS_KEKIdentifier, date, ASN1_GENERALIZEDTIME),
194	ASN1_OPT(CMS_KEKIdentifier, other, CMS_OtherKeyAttribute)
195} ASN1_SEQUENCE_END(CMS_KEKIdentifier)
196
197ASN1_SEQUENCE(CMS_KEKRecipientInfo) = {
198	ASN1_SIMPLE(CMS_KEKRecipientInfo, version, LONG),
199	ASN1_SIMPLE(CMS_KEKRecipientInfo, kekid, CMS_KEKIdentifier),
200	ASN1_SIMPLE(CMS_KEKRecipientInfo, keyEncryptionAlgorithm, X509_ALGOR),
201	ASN1_SIMPLE(CMS_KEKRecipientInfo, encryptedKey, ASN1_OCTET_STRING)
202} ASN1_SEQUENCE_END(CMS_KEKRecipientInfo)
203
204ASN1_SEQUENCE(CMS_PasswordRecipientInfo) = {
205	ASN1_SIMPLE(CMS_PasswordRecipientInfo, version, LONG),
206	ASN1_IMP_OPT(CMS_PasswordRecipientInfo, keyDerivationAlgorithm, X509_ALGOR, 0),
207	ASN1_SIMPLE(CMS_PasswordRecipientInfo, keyEncryptionAlgorithm, X509_ALGOR),
208	ASN1_SIMPLE(CMS_PasswordRecipientInfo, encryptedKey, ASN1_OCTET_STRING)
209} ASN1_SEQUENCE_END(CMS_PasswordRecipientInfo)
210
211ASN1_SEQUENCE(CMS_OtherRecipientInfo) = {
212  ASN1_SIMPLE(CMS_OtherRecipientInfo, oriType, ASN1_OBJECT),
213  ASN1_OPT(CMS_OtherRecipientInfo, oriValue, ASN1_ANY)
214} ASN1_SEQUENCE_END(CMS_OtherRecipientInfo)
215
216/* Free up RecipientInfo additional data */
217static int cms_ri_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
218							void *exarg)
219	{
220	if(operation == ASN1_OP_FREE_PRE)
221		{
222		CMS_RecipientInfo *ri = (CMS_RecipientInfo *)*pval;
223		if (ri->type == CMS_RECIPINFO_TRANS)
224			{
225			CMS_KeyTransRecipientInfo *ktri = ri->d.ktri;
226			if (ktri->pkey)
227				EVP_PKEY_free(ktri->pkey);
228			if (ktri->recip)
229				X509_free(ktri->recip);
230			}
231		else if (ri->type == CMS_RECIPINFO_KEK)
232			{
233			CMS_KEKRecipientInfo *kekri = ri->d.kekri;
234			if (kekri->key)
235				{
236				OPENSSL_cleanse(kekri->key, kekri->keylen);
237				OPENSSL_free(kekri->key);
238				}
239			}
240		else if (ri->type == CMS_RECIPINFO_PASS)
241			{
242			CMS_PasswordRecipientInfo *pwri = ri->d.pwri;
243			if (pwri->pass)
244				{
245				OPENSSL_cleanse(pwri->pass, pwri->passlen);
246				OPENSSL_free(pwri->pass);
247				}
248			}
249		}
250	return 1;
251	}
252
253ASN1_CHOICE_cb(CMS_RecipientInfo, cms_ri_cb) = {
254	ASN1_SIMPLE(CMS_RecipientInfo, d.ktri, CMS_KeyTransRecipientInfo),
255	ASN1_IMP(CMS_RecipientInfo, d.kari, CMS_KeyAgreeRecipientInfo, 1),
256	ASN1_IMP(CMS_RecipientInfo, d.kekri, CMS_KEKRecipientInfo, 2),
257	ASN1_IMP(CMS_RecipientInfo, d.pwri, CMS_PasswordRecipientInfo, 3),
258	ASN1_IMP(CMS_RecipientInfo, d.ori, CMS_OtherRecipientInfo, 4)
259} ASN1_CHOICE_END_cb(CMS_RecipientInfo, CMS_RecipientInfo, type)
260
261ASN1_NDEF_SEQUENCE(CMS_EnvelopedData) = {
262	ASN1_SIMPLE(CMS_EnvelopedData, version, LONG),
263	ASN1_IMP_OPT(CMS_EnvelopedData, originatorInfo, CMS_OriginatorInfo, 0),
264	ASN1_SET_OF(CMS_EnvelopedData, recipientInfos, CMS_RecipientInfo),
265	ASN1_SIMPLE(CMS_EnvelopedData, encryptedContentInfo, CMS_EncryptedContentInfo),
266	ASN1_IMP_SET_OF_OPT(CMS_EnvelopedData, unprotectedAttrs, X509_ATTRIBUTE, 1)
267} ASN1_NDEF_SEQUENCE_END(CMS_EnvelopedData)
268
269ASN1_NDEF_SEQUENCE(CMS_DigestedData) = {
270	ASN1_SIMPLE(CMS_DigestedData, version, LONG),
271	ASN1_SIMPLE(CMS_DigestedData, digestAlgorithm, X509_ALGOR),
272	ASN1_SIMPLE(CMS_DigestedData, encapContentInfo, CMS_EncapsulatedContentInfo),
273	ASN1_SIMPLE(CMS_DigestedData, digest, ASN1_OCTET_STRING)
274} ASN1_NDEF_SEQUENCE_END(CMS_DigestedData)
275
276ASN1_NDEF_SEQUENCE(CMS_EncryptedData) = {
277	ASN1_SIMPLE(CMS_EncryptedData, version, LONG),
278	ASN1_SIMPLE(CMS_EncryptedData, encryptedContentInfo, CMS_EncryptedContentInfo),
279	ASN1_IMP_SET_OF_OPT(CMS_EncryptedData, unprotectedAttrs, X509_ATTRIBUTE, 1)
280} ASN1_NDEF_SEQUENCE_END(CMS_EncryptedData)
281
282ASN1_NDEF_SEQUENCE(CMS_AuthenticatedData) = {
283	ASN1_SIMPLE(CMS_AuthenticatedData, version, LONG),
284	ASN1_IMP_OPT(CMS_AuthenticatedData, originatorInfo, CMS_OriginatorInfo, 0),
285	ASN1_SET_OF(CMS_AuthenticatedData, recipientInfos, CMS_RecipientInfo),
286	ASN1_SIMPLE(CMS_AuthenticatedData, macAlgorithm, X509_ALGOR),
287	ASN1_IMP(CMS_AuthenticatedData, digestAlgorithm, X509_ALGOR, 1),
288	ASN1_SIMPLE(CMS_AuthenticatedData, encapContentInfo, CMS_EncapsulatedContentInfo),
289	ASN1_IMP_SET_OF_OPT(CMS_AuthenticatedData, authAttrs, X509_ALGOR, 2),
290	ASN1_SIMPLE(CMS_AuthenticatedData, mac, ASN1_OCTET_STRING),
291	ASN1_IMP_SET_OF_OPT(CMS_AuthenticatedData, unauthAttrs, X509_ALGOR, 3)
292} ASN1_NDEF_SEQUENCE_END(CMS_AuthenticatedData)
293
294ASN1_NDEF_SEQUENCE(CMS_CompressedData) = {
295	ASN1_SIMPLE(CMS_CompressedData, version, LONG),
296	ASN1_SIMPLE(CMS_CompressedData, compressionAlgorithm, X509_ALGOR),
297	ASN1_SIMPLE(CMS_CompressedData, encapContentInfo, CMS_EncapsulatedContentInfo),
298} ASN1_NDEF_SEQUENCE_END(CMS_CompressedData)
299
300/* This is the ANY DEFINED BY table for the top level ContentInfo structure */
301
302ASN1_ADB_TEMPLATE(cms_default) = ASN1_EXP(CMS_ContentInfo, d.other, ASN1_ANY, 0);
303
304ASN1_ADB(CMS_ContentInfo) = {
305	ADB_ENTRY(NID_pkcs7_data, ASN1_NDEF_EXP(CMS_ContentInfo, d.data, ASN1_OCTET_STRING_NDEF, 0)),
306	ADB_ENTRY(NID_pkcs7_signed, ASN1_NDEF_EXP(CMS_ContentInfo, d.signedData, CMS_SignedData, 0)),
307	ADB_ENTRY(NID_pkcs7_enveloped, ASN1_NDEF_EXP(CMS_ContentInfo, d.envelopedData, CMS_EnvelopedData, 0)),
308	ADB_ENTRY(NID_pkcs7_digest, ASN1_NDEF_EXP(CMS_ContentInfo, d.digestedData, CMS_DigestedData, 0)),
309	ADB_ENTRY(NID_pkcs7_encrypted, ASN1_NDEF_EXP(CMS_ContentInfo, d.encryptedData, CMS_EncryptedData, 0)),
310	ADB_ENTRY(NID_id_smime_ct_authData, ASN1_NDEF_EXP(CMS_ContentInfo, d.authenticatedData, CMS_AuthenticatedData, 0)),
311	ADB_ENTRY(NID_id_smime_ct_compressedData, ASN1_NDEF_EXP(CMS_ContentInfo, d.compressedData, CMS_CompressedData, 0)),
312} ASN1_ADB_END(CMS_ContentInfo, 0, contentType, 0, &cms_default_tt, NULL);
313
314/* CMS streaming support */
315static int cms_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
316							void *exarg)
317	{
318	ASN1_STREAM_ARG *sarg = exarg;
319	CMS_ContentInfo *cms = NULL;
320	if (pval)
321		cms = (CMS_ContentInfo *)*pval;
322	else
323		return 1;
324	switch(operation)
325		{
326
327		case ASN1_OP_STREAM_PRE:
328		if (CMS_stream(&sarg->boundary, cms) <= 0)
329			return 0;
330		case ASN1_OP_DETACHED_PRE:
331		sarg->ndef_bio = CMS_dataInit(cms, sarg->out);
332		if (!sarg->ndef_bio)
333			return 0;
334		break;
335
336		case ASN1_OP_STREAM_POST:
337		case ASN1_OP_DETACHED_POST:
338		if (CMS_dataFinal(cms, sarg->ndef_bio) <= 0)
339			return 0;
340		break;
341
342		}
343	return 1;
344	}
345
346ASN1_NDEF_SEQUENCE_cb(CMS_ContentInfo, cms_cb) = {
347	ASN1_SIMPLE(CMS_ContentInfo, contentType, ASN1_OBJECT),
348	ASN1_ADB_OBJECT(CMS_ContentInfo)
349} ASN1_NDEF_SEQUENCE_END_cb(CMS_ContentInfo, CMS_ContentInfo)
350
351/* Specials for signed attributes */
352
353/* When signing attributes we want to reorder them to match the sorted
354 * encoding.
355 */
356
357ASN1_ITEM_TEMPLATE(CMS_Attributes_Sign) =
358	ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SET_ORDER, 0, CMS_ATTRIBUTES, X509_ATTRIBUTE)
359ASN1_ITEM_TEMPLATE_END(CMS_Attributes_Sign)
360
361/* When verifying attributes we need to use the received order. So
362 * we use SEQUENCE OF and tag it to SET OF
363 */
364
365ASN1_ITEM_TEMPLATE(CMS_Attributes_Verify) =
366	ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF | ASN1_TFLG_IMPTAG | ASN1_TFLG_UNIVERSAL,
367				V_ASN1_SET, CMS_ATTRIBUTES, X509_ATTRIBUTE)
368ASN1_ITEM_TEMPLATE_END(CMS_Attributes_Verify)
369
370
371
372ASN1_CHOICE(CMS_ReceiptsFrom) = {
373  ASN1_IMP(CMS_ReceiptsFrom, d.allOrFirstTier, LONG, 0),
374  ASN1_IMP_SEQUENCE_OF(CMS_ReceiptsFrom, d.receiptList, GENERAL_NAMES, 1)
375} ASN1_CHOICE_END(CMS_ReceiptsFrom)
376
377ASN1_SEQUENCE(CMS_ReceiptRequest) = {
378  ASN1_SIMPLE(CMS_ReceiptRequest, signedContentIdentifier, ASN1_OCTET_STRING),
379  ASN1_SIMPLE(CMS_ReceiptRequest, receiptsFrom, CMS_ReceiptsFrom),
380  ASN1_SEQUENCE_OF(CMS_ReceiptRequest, receiptsTo, GENERAL_NAMES)
381} ASN1_SEQUENCE_END(CMS_ReceiptRequest)
382
383ASN1_SEQUENCE(CMS_Receipt) = {
384  ASN1_SIMPLE(CMS_Receipt, version, LONG),
385  ASN1_SIMPLE(CMS_Receipt, contentType, ASN1_OBJECT),
386  ASN1_SIMPLE(CMS_Receipt, signedContentIdentifier, ASN1_OCTET_STRING),
387  ASN1_SIMPLE(CMS_Receipt, originatorSignatureValue, ASN1_OCTET_STRING)
388} ASN1_SEQUENCE_END(CMS_Receipt)
389
390