Remove duplicate code.
[openssl.git] / crypto / cms / cms_asn1.c
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 <openssl/cms.h>
59 #include "cms_lcl.h"
60
61
62 ASN1_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
67 ASN1_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
72 ASN1_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
80 ASN1_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
85 ASN1_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 */
91 static int cms_si_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
92                      void *exarg)
93 {
94     if (operation == ASN1_OP_FREE_POST) {
95         CMS_SignerInfo *si = (CMS_SignerInfo *)*pval;
96         EVP_PKEY_free(si->pkey);
97         if (si->signer)
98             X509_free(si->signer);
99         if (si->pctx)
100             EVP_MD_CTX_cleanup(&si->mctx);
101     }
102     return 1;
103 }
104
105 ASN1_SEQUENCE_cb(CMS_SignerInfo, cms_si_cb) = {
106         ASN1_SIMPLE(CMS_SignerInfo, version, LONG),
107         ASN1_SIMPLE(CMS_SignerInfo, sid, CMS_SignerIdentifier),
108         ASN1_SIMPLE(CMS_SignerInfo, digestAlgorithm, X509_ALGOR),
109         ASN1_IMP_SET_OF_OPT(CMS_SignerInfo, signedAttrs, X509_ATTRIBUTE, 0),
110         ASN1_SIMPLE(CMS_SignerInfo, signatureAlgorithm, X509_ALGOR),
111         ASN1_SIMPLE(CMS_SignerInfo, signature, ASN1_OCTET_STRING),
112         ASN1_IMP_SET_OF_OPT(CMS_SignerInfo, unsignedAttrs, X509_ATTRIBUTE, 1)
113 } ASN1_SEQUENCE_END_cb(CMS_SignerInfo, CMS_SignerInfo)
114
115 ASN1_SEQUENCE(CMS_OtherRevocationInfoFormat) = {
116         ASN1_SIMPLE(CMS_OtherRevocationInfoFormat, otherRevInfoFormat, ASN1_OBJECT),
117         ASN1_OPT(CMS_OtherRevocationInfoFormat, otherRevInfo, ASN1_ANY)
118 } ASN1_SEQUENCE_END(CMS_OtherRevocationInfoFormat)
119
120 ASN1_CHOICE(CMS_RevocationInfoChoice) = {
121         ASN1_SIMPLE(CMS_RevocationInfoChoice, d.crl, X509_CRL),
122         ASN1_IMP(CMS_RevocationInfoChoice, d.other, CMS_OtherRevocationInfoFormat, 1)
123 } ASN1_CHOICE_END(CMS_RevocationInfoChoice)
124
125 ASN1_NDEF_SEQUENCE(CMS_SignedData) = {
126         ASN1_SIMPLE(CMS_SignedData, version, LONG),
127         ASN1_SET_OF(CMS_SignedData, digestAlgorithms, X509_ALGOR),
128         ASN1_SIMPLE(CMS_SignedData, encapContentInfo, CMS_EncapsulatedContentInfo),
129         ASN1_IMP_SET_OF_OPT(CMS_SignedData, certificates, CMS_CertificateChoices, 0),
130         ASN1_IMP_SET_OF_OPT(CMS_SignedData, crls, CMS_RevocationInfoChoice, 1),
131         ASN1_SET_OF(CMS_SignedData, signerInfos, CMS_SignerInfo)
132 } ASN1_NDEF_SEQUENCE_END(CMS_SignedData)
133
134 ASN1_SEQUENCE(CMS_OriginatorInfo) = {
135         ASN1_IMP_SET_OF_OPT(CMS_OriginatorInfo, certificates, CMS_CertificateChoices, 0),
136         ASN1_IMP_SET_OF_OPT(CMS_OriginatorInfo, crls, CMS_RevocationInfoChoice, 1)
137 } ASN1_SEQUENCE_END(CMS_OriginatorInfo)
138
139 ASN1_NDEF_SEQUENCE(CMS_EncryptedContentInfo) = {
140         ASN1_SIMPLE(CMS_EncryptedContentInfo, contentType, ASN1_OBJECT),
141         ASN1_SIMPLE(CMS_EncryptedContentInfo, contentEncryptionAlgorithm, X509_ALGOR),
142         ASN1_IMP_OPT(CMS_EncryptedContentInfo, encryptedContent, ASN1_OCTET_STRING_NDEF, 0)
143 } ASN1_NDEF_SEQUENCE_END(CMS_EncryptedContentInfo)
144
145 ASN1_SEQUENCE(CMS_KeyTransRecipientInfo) = {
146         ASN1_SIMPLE(CMS_KeyTransRecipientInfo, version, LONG),
147         ASN1_SIMPLE(CMS_KeyTransRecipientInfo, rid, CMS_SignerIdentifier),
148         ASN1_SIMPLE(CMS_KeyTransRecipientInfo, keyEncryptionAlgorithm, X509_ALGOR),
149         ASN1_SIMPLE(CMS_KeyTransRecipientInfo, encryptedKey, ASN1_OCTET_STRING)
150 } ASN1_SEQUENCE_END(CMS_KeyTransRecipientInfo)
151
152 ASN1_SEQUENCE(CMS_OtherKeyAttribute) = {
153         ASN1_SIMPLE(CMS_OtherKeyAttribute, keyAttrId, ASN1_OBJECT),
154         ASN1_OPT(CMS_OtherKeyAttribute, keyAttr, ASN1_ANY)
155 } ASN1_SEQUENCE_END(CMS_OtherKeyAttribute)
156
157 ASN1_SEQUENCE(CMS_RecipientKeyIdentifier) = {
158         ASN1_SIMPLE(CMS_RecipientKeyIdentifier, subjectKeyIdentifier, ASN1_OCTET_STRING),
159         ASN1_OPT(CMS_RecipientKeyIdentifier, date, ASN1_GENERALIZEDTIME),
160         ASN1_OPT(CMS_RecipientKeyIdentifier, other, CMS_OtherKeyAttribute)
161 } ASN1_SEQUENCE_END(CMS_RecipientKeyIdentifier)
162
163 ASN1_CHOICE(CMS_KeyAgreeRecipientIdentifier) = {
164   ASN1_SIMPLE(CMS_KeyAgreeRecipientIdentifier, d.issuerAndSerialNumber, CMS_IssuerAndSerialNumber),
165   ASN1_IMP(CMS_KeyAgreeRecipientIdentifier, d.rKeyId, CMS_RecipientKeyIdentifier, 0)
166 } ASN1_CHOICE_END(CMS_KeyAgreeRecipientIdentifier)
167
168 static int cms_rek_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
169                       void *exarg)
170 {
171     CMS_RecipientEncryptedKey *rek = (CMS_RecipientEncryptedKey *)*pval;
172     if (operation == ASN1_OP_FREE_POST) {
173         EVP_PKEY_free(rek->pkey);
174     }
175     return 1;
176 }
177
178 ASN1_SEQUENCE_cb(CMS_RecipientEncryptedKey, cms_rek_cb) = {
179         ASN1_SIMPLE(CMS_RecipientEncryptedKey, rid, CMS_KeyAgreeRecipientIdentifier),
180         ASN1_SIMPLE(CMS_RecipientEncryptedKey, encryptedKey, ASN1_OCTET_STRING)
181 } ASN1_SEQUENCE_END_cb(CMS_RecipientEncryptedKey, CMS_RecipientEncryptedKey)
182
183 ASN1_SEQUENCE(CMS_OriginatorPublicKey) = {
184   ASN1_SIMPLE(CMS_OriginatorPublicKey, algorithm, X509_ALGOR),
185   ASN1_SIMPLE(CMS_OriginatorPublicKey, publicKey, ASN1_BIT_STRING)
186 } ASN1_SEQUENCE_END(CMS_OriginatorPublicKey)
187
188 ASN1_CHOICE(CMS_OriginatorIdentifierOrKey) = {
189   ASN1_SIMPLE(CMS_OriginatorIdentifierOrKey, d.issuerAndSerialNumber, CMS_IssuerAndSerialNumber),
190   ASN1_IMP(CMS_OriginatorIdentifierOrKey, d.subjectKeyIdentifier, ASN1_OCTET_STRING, 0),
191   ASN1_IMP(CMS_OriginatorIdentifierOrKey, d.originatorKey, CMS_OriginatorPublicKey, 1)
192 } ASN1_CHOICE_END(CMS_OriginatorIdentifierOrKey)
193
194 static int cms_kari_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
195                        void *exarg)
196 {
197     CMS_KeyAgreeRecipientInfo *kari = (CMS_KeyAgreeRecipientInfo *)*pval;
198     if (operation == ASN1_OP_NEW_POST) {
199         EVP_CIPHER_CTX_init(&kari->ctx);
200         EVP_CIPHER_CTX_set_flags(&kari->ctx, EVP_CIPHER_CTX_FLAG_WRAP_ALLOW);
201         kari->pctx = NULL;
202     } else if (operation == ASN1_OP_FREE_POST) {
203         EVP_PKEY_CTX_free(kari->pctx);
204         EVP_CIPHER_CTX_cleanup(&kari->ctx);
205     }
206     return 1;
207 }
208
209 ASN1_SEQUENCE_cb(CMS_KeyAgreeRecipientInfo, cms_kari_cb) = {
210         ASN1_SIMPLE(CMS_KeyAgreeRecipientInfo, version, LONG),
211         ASN1_EXP(CMS_KeyAgreeRecipientInfo, originator, CMS_OriginatorIdentifierOrKey, 0),
212         ASN1_EXP_OPT(CMS_KeyAgreeRecipientInfo, ukm, ASN1_OCTET_STRING, 1),
213         ASN1_SIMPLE(CMS_KeyAgreeRecipientInfo, keyEncryptionAlgorithm, X509_ALGOR),
214         ASN1_SEQUENCE_OF(CMS_KeyAgreeRecipientInfo, recipientEncryptedKeys, CMS_RecipientEncryptedKey)
215 } ASN1_SEQUENCE_END_cb(CMS_KeyAgreeRecipientInfo, CMS_KeyAgreeRecipientInfo)
216
217 ASN1_SEQUENCE(CMS_KEKIdentifier) = {
218         ASN1_SIMPLE(CMS_KEKIdentifier, keyIdentifier, ASN1_OCTET_STRING),
219         ASN1_OPT(CMS_KEKIdentifier, date, ASN1_GENERALIZEDTIME),
220         ASN1_OPT(CMS_KEKIdentifier, other, CMS_OtherKeyAttribute)
221 } ASN1_SEQUENCE_END(CMS_KEKIdentifier)
222
223 ASN1_SEQUENCE(CMS_KEKRecipientInfo) = {
224         ASN1_SIMPLE(CMS_KEKRecipientInfo, version, LONG),
225         ASN1_SIMPLE(CMS_KEKRecipientInfo, kekid, CMS_KEKIdentifier),
226         ASN1_SIMPLE(CMS_KEKRecipientInfo, keyEncryptionAlgorithm, X509_ALGOR),
227         ASN1_SIMPLE(CMS_KEKRecipientInfo, encryptedKey, ASN1_OCTET_STRING)
228 } ASN1_SEQUENCE_END(CMS_KEKRecipientInfo)
229
230 ASN1_SEQUENCE(CMS_PasswordRecipientInfo) = {
231         ASN1_SIMPLE(CMS_PasswordRecipientInfo, version, LONG),
232         ASN1_IMP_OPT(CMS_PasswordRecipientInfo, keyDerivationAlgorithm, X509_ALGOR, 0),
233         ASN1_SIMPLE(CMS_PasswordRecipientInfo, keyEncryptionAlgorithm, X509_ALGOR),
234         ASN1_SIMPLE(CMS_PasswordRecipientInfo, encryptedKey, ASN1_OCTET_STRING)
235 } ASN1_SEQUENCE_END(CMS_PasswordRecipientInfo)
236
237 ASN1_SEQUENCE(CMS_OtherRecipientInfo) = {
238   ASN1_SIMPLE(CMS_OtherRecipientInfo, oriType, ASN1_OBJECT),
239   ASN1_OPT(CMS_OtherRecipientInfo, oriValue, ASN1_ANY)
240 } ASN1_SEQUENCE_END(CMS_OtherRecipientInfo)
241
242 /* Free up RecipientInfo additional data */
243 static int cms_ri_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
244                      void *exarg)
245 {
246     if (operation == ASN1_OP_FREE_PRE) {
247         CMS_RecipientInfo *ri = (CMS_RecipientInfo *)*pval;
248         if (ri->type == CMS_RECIPINFO_TRANS) {
249             CMS_KeyTransRecipientInfo *ktri = ri->d.ktri;
250             EVP_PKEY_free(ktri->pkey);
251             if (ktri->recip)
252                 X509_free(ktri->recip);
253             EVP_PKEY_CTX_free(ktri->pctx);
254         } else if (ri->type == CMS_RECIPINFO_KEK) {
255             CMS_KEKRecipientInfo *kekri = ri->d.kekri;
256             if (kekri->key) {
257                 OPENSSL_cleanse(kekri->key, kekri->keylen);
258                 OPENSSL_free(kekri->key);
259             }
260         } else if (ri->type == CMS_RECIPINFO_PASS) {
261             CMS_PasswordRecipientInfo *pwri = ri->d.pwri;
262             if (pwri->pass) {
263                 OPENSSL_cleanse(pwri->pass, pwri->passlen);
264                 OPENSSL_free(pwri->pass);
265             }
266         }
267     }
268     return 1;
269 }
270
271 ASN1_CHOICE_cb(CMS_RecipientInfo, cms_ri_cb) = {
272         ASN1_SIMPLE(CMS_RecipientInfo, d.ktri, CMS_KeyTransRecipientInfo),
273         ASN1_IMP(CMS_RecipientInfo, d.kari, CMS_KeyAgreeRecipientInfo, 1),
274         ASN1_IMP(CMS_RecipientInfo, d.kekri, CMS_KEKRecipientInfo, 2),
275         ASN1_IMP(CMS_RecipientInfo, d.pwri, CMS_PasswordRecipientInfo, 3),
276         ASN1_IMP(CMS_RecipientInfo, d.ori, CMS_OtherRecipientInfo, 4)
277 } ASN1_CHOICE_END_cb(CMS_RecipientInfo, CMS_RecipientInfo, type)
278
279 ASN1_NDEF_SEQUENCE(CMS_EnvelopedData) = {
280         ASN1_SIMPLE(CMS_EnvelopedData, version, LONG),
281         ASN1_IMP_OPT(CMS_EnvelopedData, originatorInfo, CMS_OriginatorInfo, 0),
282         ASN1_SET_OF(CMS_EnvelopedData, recipientInfos, CMS_RecipientInfo),
283         ASN1_SIMPLE(CMS_EnvelopedData, encryptedContentInfo, CMS_EncryptedContentInfo),
284         ASN1_IMP_SET_OF_OPT(CMS_EnvelopedData, unprotectedAttrs, X509_ATTRIBUTE, 1)
285 } ASN1_NDEF_SEQUENCE_END(CMS_EnvelopedData)
286
287 ASN1_NDEF_SEQUENCE(CMS_DigestedData) = {
288         ASN1_SIMPLE(CMS_DigestedData, version, LONG),
289         ASN1_SIMPLE(CMS_DigestedData, digestAlgorithm, X509_ALGOR),
290         ASN1_SIMPLE(CMS_DigestedData, encapContentInfo, CMS_EncapsulatedContentInfo),
291         ASN1_SIMPLE(CMS_DigestedData, digest, ASN1_OCTET_STRING)
292 } ASN1_NDEF_SEQUENCE_END(CMS_DigestedData)
293
294 ASN1_NDEF_SEQUENCE(CMS_EncryptedData) = {
295         ASN1_SIMPLE(CMS_EncryptedData, version, LONG),
296         ASN1_SIMPLE(CMS_EncryptedData, encryptedContentInfo, CMS_EncryptedContentInfo),
297         ASN1_IMP_SET_OF_OPT(CMS_EncryptedData, unprotectedAttrs, X509_ATTRIBUTE, 1)
298 } ASN1_NDEF_SEQUENCE_END(CMS_EncryptedData)
299
300 ASN1_NDEF_SEQUENCE(CMS_AuthenticatedData) = {
301         ASN1_SIMPLE(CMS_AuthenticatedData, version, LONG),
302         ASN1_IMP_OPT(CMS_AuthenticatedData, originatorInfo, CMS_OriginatorInfo, 0),
303         ASN1_SET_OF(CMS_AuthenticatedData, recipientInfos, CMS_RecipientInfo),
304         ASN1_SIMPLE(CMS_AuthenticatedData, macAlgorithm, X509_ALGOR),
305         ASN1_IMP(CMS_AuthenticatedData, digestAlgorithm, X509_ALGOR, 1),
306         ASN1_SIMPLE(CMS_AuthenticatedData, encapContentInfo, CMS_EncapsulatedContentInfo),
307         ASN1_IMP_SET_OF_OPT(CMS_AuthenticatedData, authAttrs, X509_ALGOR, 2),
308         ASN1_SIMPLE(CMS_AuthenticatedData, mac, ASN1_OCTET_STRING),
309         ASN1_IMP_SET_OF_OPT(CMS_AuthenticatedData, unauthAttrs, X509_ALGOR, 3)
310 } ASN1_NDEF_SEQUENCE_END(CMS_AuthenticatedData)
311
312 ASN1_NDEF_SEQUENCE(CMS_CompressedData) = {
313         ASN1_SIMPLE(CMS_CompressedData, version, LONG),
314         ASN1_SIMPLE(CMS_CompressedData, compressionAlgorithm, X509_ALGOR),
315         ASN1_SIMPLE(CMS_CompressedData, encapContentInfo, CMS_EncapsulatedContentInfo),
316 } ASN1_NDEF_SEQUENCE_END(CMS_CompressedData)
317
318 /* This is the ANY DEFINED BY table for the top level ContentInfo structure */
319
320 ASN1_ADB_TEMPLATE(cms_default) = ASN1_EXP(CMS_ContentInfo, d.other, ASN1_ANY, 0);
321
322 ASN1_ADB(CMS_ContentInfo) = {
323         ADB_ENTRY(NID_pkcs7_data, ASN1_NDEF_EXP(CMS_ContentInfo, d.data, ASN1_OCTET_STRING_NDEF, 0)),
324         ADB_ENTRY(NID_pkcs7_signed, ASN1_NDEF_EXP(CMS_ContentInfo, d.signedData, CMS_SignedData, 0)),
325         ADB_ENTRY(NID_pkcs7_enveloped, ASN1_NDEF_EXP(CMS_ContentInfo, d.envelopedData, CMS_EnvelopedData, 0)),
326         ADB_ENTRY(NID_pkcs7_digest, ASN1_NDEF_EXP(CMS_ContentInfo, d.digestedData, CMS_DigestedData, 0)),
327         ADB_ENTRY(NID_pkcs7_encrypted, ASN1_NDEF_EXP(CMS_ContentInfo, d.encryptedData, CMS_EncryptedData, 0)),
328         ADB_ENTRY(NID_id_smime_ct_authData, ASN1_NDEF_EXP(CMS_ContentInfo, d.authenticatedData, CMS_AuthenticatedData, 0)),
329         ADB_ENTRY(NID_id_smime_ct_compressedData, ASN1_NDEF_EXP(CMS_ContentInfo, d.compressedData, CMS_CompressedData, 0)),
330 } ASN1_ADB_END(CMS_ContentInfo, 0, contentType, 0, &cms_default_tt, NULL);
331
332 /* CMS streaming support */
333 static int cms_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
334                   void *exarg)
335 {
336     ASN1_STREAM_ARG *sarg = exarg;
337     CMS_ContentInfo *cms = NULL;
338     if (pval)
339         cms = (CMS_ContentInfo *)*pval;
340     else
341         return 1;
342     switch (operation) {
343
344     case ASN1_OP_STREAM_PRE:
345         if (CMS_stream(&sarg->boundary, cms) <= 0)
346             return 0;
347     case ASN1_OP_DETACHED_PRE:
348         sarg->ndef_bio = CMS_dataInit(cms, sarg->out);
349         if (!sarg->ndef_bio)
350             return 0;
351         break;
352
353     case ASN1_OP_STREAM_POST:
354     case ASN1_OP_DETACHED_POST:
355         if (CMS_dataFinal(cms, sarg->ndef_bio) <= 0)
356             return 0;
357         break;
358
359     }
360     return 1;
361 }
362
363 ASN1_NDEF_SEQUENCE_cb(CMS_ContentInfo, cms_cb) = {
364         ASN1_SIMPLE(CMS_ContentInfo, contentType, ASN1_OBJECT),
365         ASN1_ADB_OBJECT(CMS_ContentInfo)
366 } ASN1_NDEF_SEQUENCE_END_cb(CMS_ContentInfo, CMS_ContentInfo)
367
368 /* Specials for signed attributes */
369
370 /*
371  * When signing attributes we want to reorder them to match the sorted
372  * encoding.
373  */
374
375 ASN1_ITEM_TEMPLATE(CMS_Attributes_Sign) =
376         ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SET_ORDER, 0, CMS_ATTRIBUTES, X509_ATTRIBUTE)
377 ASN1_ITEM_TEMPLATE_END(CMS_Attributes_Sign)
378
379 /*
380  * When verifying attributes we need to use the received order. So we use
381  * SEQUENCE OF and tag it to SET OF
382  */
383
384 ASN1_ITEM_TEMPLATE(CMS_Attributes_Verify) =
385         ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF | ASN1_TFLG_IMPTAG | ASN1_TFLG_UNIVERSAL,
386                                 V_ASN1_SET, CMS_ATTRIBUTES, X509_ATTRIBUTE)
387 ASN1_ITEM_TEMPLATE_END(CMS_Attributes_Verify)
388
389
390
391 ASN1_CHOICE(CMS_ReceiptsFrom) = {
392   ASN1_IMP(CMS_ReceiptsFrom, d.allOrFirstTier, LONG, 0),
393   ASN1_IMP_SEQUENCE_OF(CMS_ReceiptsFrom, d.receiptList, GENERAL_NAMES, 1)
394 } ASN1_CHOICE_END(CMS_ReceiptsFrom)
395
396 ASN1_SEQUENCE(CMS_ReceiptRequest) = {
397   ASN1_SIMPLE(CMS_ReceiptRequest, signedContentIdentifier, ASN1_OCTET_STRING),
398   ASN1_SIMPLE(CMS_ReceiptRequest, receiptsFrom, CMS_ReceiptsFrom),
399   ASN1_SEQUENCE_OF(CMS_ReceiptRequest, receiptsTo, GENERAL_NAMES)
400 } ASN1_SEQUENCE_END(CMS_ReceiptRequest)
401
402 ASN1_SEQUENCE(CMS_Receipt) = {
403   ASN1_SIMPLE(CMS_Receipt, version, LONG),
404   ASN1_SIMPLE(CMS_Receipt, contentType, ASN1_OBJECT),
405   ASN1_SIMPLE(CMS_Receipt, signedContentIdentifier, ASN1_OCTET_STRING),
406   ASN1_SIMPLE(CMS_Receipt, originatorSignatureValue, ASN1_OCTET_STRING)
407 } ASN1_SEQUENCE_END(CMS_Receipt)
408
409 /*
410  * Utilities to encode the CMS_SharedInfo structure used during key
411  * derivation.
412  */
413
414 typedef struct {
415     X509_ALGOR *keyInfo;
416     ASN1_OCTET_STRING *entityUInfo;
417     ASN1_OCTET_STRING *suppPubInfo;
418 } CMS_SharedInfo;
419
420 ASN1_SEQUENCE(CMS_SharedInfo) = {
421   ASN1_SIMPLE(CMS_SharedInfo, keyInfo, X509_ALGOR),
422   ASN1_EXP_OPT(CMS_SharedInfo, entityUInfo, ASN1_OCTET_STRING, 0),
423   ASN1_EXP_OPT(CMS_SharedInfo, suppPubInfo, ASN1_OCTET_STRING, 2),
424 } ASN1_SEQUENCE_END(CMS_SharedInfo)
425
426 int CMS_SharedInfo_encode(unsigned char **pder, X509_ALGOR *kekalg,
427                           ASN1_OCTET_STRING *ukm, int keylen)
428 {
429     union {
430         CMS_SharedInfo *pecsi;
431         ASN1_VALUE *a;
432     } intsi = {
433         NULL
434     };
435
436     ASN1_OCTET_STRING oklen;
437     unsigned char kl[4];
438     CMS_SharedInfo ecsi;
439
440     keylen <<= 3;
441     kl[0] = (keylen >> 24) & 0xff;
442     kl[1] = (keylen >> 16) & 0xff;
443     kl[2] = (keylen >> 8) & 0xff;
444     kl[3] = keylen & 0xff;
445     oklen.length = 4;
446     oklen.data = kl;
447     oklen.type = V_ASN1_OCTET_STRING;
448     oklen.flags = 0;
449     ecsi.keyInfo = kekalg;
450     ecsi.entityUInfo = ukm;
451     ecsi.suppPubInfo = &oklen;
452     intsi.pecsi = &ecsi;
453     return ASN1_item_i2d(intsi.a, pder, ASN1_ITEM_rptr(CMS_SharedInfo));
454 }