Remove duplicate statement.
[openssl.git] / crypto / cms / cms_asn1.c
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                                                         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                 if (si->pctx)
101                         EVP_MD_CTX_cleanup(&si->mctx);
102                 }
103         return 1;
104         }
105
106 ASN1_SEQUENCE_cb(CMS_SignerInfo, cms_si_cb) = {
107         ASN1_SIMPLE(CMS_SignerInfo, version, LONG),
108         ASN1_SIMPLE(CMS_SignerInfo, sid, CMS_SignerIdentifier),
109         ASN1_SIMPLE(CMS_SignerInfo, digestAlgorithm, X509_ALGOR),
110         ASN1_IMP_SET_OF_OPT(CMS_SignerInfo, signedAttrs, X509_ATTRIBUTE, 0),
111         ASN1_SIMPLE(CMS_SignerInfo, signatureAlgorithm, X509_ALGOR),
112         ASN1_SIMPLE(CMS_SignerInfo, signature, ASN1_OCTET_STRING),
113         ASN1_IMP_SET_OF_OPT(CMS_SignerInfo, unsignedAttrs, X509_ATTRIBUTE, 1)
114 } ASN1_SEQUENCE_END_cb(CMS_SignerInfo, CMS_SignerInfo)
115
116 ASN1_SEQUENCE(CMS_OtherRevocationInfoFormat) = {
117         ASN1_SIMPLE(CMS_OtherRevocationInfoFormat, otherRevInfoFormat, ASN1_OBJECT),
118         ASN1_OPT(CMS_OtherRevocationInfoFormat, otherRevInfo, ASN1_ANY)
119 } ASN1_SEQUENCE_END(CMS_OtherRevocationInfoFormat)
120
121 ASN1_CHOICE(CMS_RevocationInfoChoice) = {
122         ASN1_SIMPLE(CMS_RevocationInfoChoice, d.crl, X509_CRL),
123         ASN1_IMP(CMS_RevocationInfoChoice, d.other, CMS_OtherRevocationInfoFormat, 1)
124 } ASN1_CHOICE_END(CMS_RevocationInfoChoice)
125
126 ASN1_NDEF_SEQUENCE(CMS_SignedData) = {
127         ASN1_SIMPLE(CMS_SignedData, version, LONG),
128         ASN1_SET_OF(CMS_SignedData, digestAlgorithms, X509_ALGOR),
129         ASN1_SIMPLE(CMS_SignedData, encapContentInfo, CMS_EncapsulatedContentInfo),
130         ASN1_IMP_SET_OF_OPT(CMS_SignedData, certificates, CMS_CertificateChoices, 0),
131         ASN1_IMP_SET_OF_OPT(CMS_SignedData, crls, CMS_RevocationInfoChoice, 1),
132         ASN1_SET_OF(CMS_SignedData, signerInfos, CMS_SignerInfo)
133 } ASN1_NDEF_SEQUENCE_END(CMS_SignedData)
134
135 ASN1_SEQUENCE(CMS_OriginatorInfo) = {
136         ASN1_IMP_SET_OF_OPT(CMS_OriginatorInfo, certificates, CMS_CertificateChoices, 0),
137         ASN1_IMP_SET_OF_OPT(CMS_OriginatorInfo, crls, CMS_RevocationInfoChoice, 1)
138 } ASN1_SEQUENCE_END(CMS_OriginatorInfo)
139
140 ASN1_NDEF_SEQUENCE(CMS_EncryptedContentInfo) = {
141         ASN1_SIMPLE(CMS_EncryptedContentInfo, contentType, ASN1_OBJECT),
142         ASN1_SIMPLE(CMS_EncryptedContentInfo, contentEncryptionAlgorithm, X509_ALGOR),
143         ASN1_IMP_OPT(CMS_EncryptedContentInfo, encryptedContent, ASN1_OCTET_STRING_NDEF, 0)
144 } ASN1_NDEF_SEQUENCE_END(CMS_EncryptedContentInfo)
145
146 ASN1_SEQUENCE(CMS_KeyTransRecipientInfo) = {
147         ASN1_SIMPLE(CMS_KeyTransRecipientInfo, version, LONG),
148         ASN1_SIMPLE(CMS_KeyTransRecipientInfo, rid, CMS_SignerIdentifier),
149         ASN1_SIMPLE(CMS_KeyTransRecipientInfo, keyEncryptionAlgorithm, X509_ALGOR),
150         ASN1_SIMPLE(CMS_KeyTransRecipientInfo, encryptedKey, ASN1_OCTET_STRING)
151 } ASN1_SEQUENCE_END(CMS_KeyTransRecipientInfo)
152
153 ASN1_SEQUENCE(CMS_OtherKeyAttribute) = {
154         ASN1_SIMPLE(CMS_OtherKeyAttribute, keyAttrId, ASN1_OBJECT),
155         ASN1_OPT(CMS_OtherKeyAttribute, keyAttr, ASN1_ANY)
156 } ASN1_SEQUENCE_END(CMS_OtherKeyAttribute)
157
158 ASN1_SEQUENCE(CMS_RecipientKeyIdentifier) = {
159         ASN1_SIMPLE(CMS_RecipientKeyIdentifier, subjectKeyIdentifier, ASN1_OCTET_STRING),
160         ASN1_OPT(CMS_RecipientKeyIdentifier, date, ASN1_GENERALIZEDTIME),
161         ASN1_OPT(CMS_RecipientKeyIdentifier, other, CMS_OtherKeyAttribute)
162 } ASN1_SEQUENCE_END(CMS_RecipientKeyIdentifier)
163
164 ASN1_CHOICE(CMS_KeyAgreeRecipientIdentifier) = {
165   ASN1_SIMPLE(CMS_KeyAgreeRecipientIdentifier, d.issuerAndSerialNumber, CMS_IssuerAndSerialNumber),
166   ASN1_IMP(CMS_KeyAgreeRecipientIdentifier, d.rKeyId, CMS_RecipientKeyIdentifier, 0)
167 } ASN1_CHOICE_END(CMS_KeyAgreeRecipientIdentifier)
168
169 static int cms_rek_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
170                                                         void *exarg)
171         {
172         CMS_RecipientEncryptedKey *rek = (CMS_RecipientEncryptedKey *)*pval;
173         if(operation == ASN1_OP_FREE_POST)
174                 {
175                 if (rek->pkey)
176                         EVP_PKEY_free(rek->pkey);
177                 }
178         return 1;
179         }
180
181 ASN1_SEQUENCE_cb(CMS_RecipientEncryptedKey, cms_rek_cb) = {
182         ASN1_SIMPLE(CMS_RecipientEncryptedKey, rid, CMS_KeyAgreeRecipientIdentifier),
183         ASN1_SIMPLE(CMS_RecipientEncryptedKey, encryptedKey, ASN1_OCTET_STRING)
184 } ASN1_SEQUENCE_END_cb(CMS_RecipientEncryptedKey, CMS_RecipientEncryptedKey)
185
186 ASN1_SEQUENCE(CMS_OriginatorPublicKey) = {
187   ASN1_SIMPLE(CMS_OriginatorPublicKey, algorithm, X509_ALGOR),
188   ASN1_SIMPLE(CMS_OriginatorPublicKey, publicKey, ASN1_BIT_STRING)
189 } ASN1_SEQUENCE_END(CMS_OriginatorPublicKey)
190
191 ASN1_CHOICE(CMS_OriginatorIdentifierOrKey) = {
192   ASN1_SIMPLE(CMS_OriginatorIdentifierOrKey, d.issuerAndSerialNumber, CMS_IssuerAndSerialNumber),
193   ASN1_IMP(CMS_OriginatorIdentifierOrKey, d.subjectKeyIdentifier, ASN1_OCTET_STRING, 0),
194   ASN1_IMP(CMS_OriginatorIdentifierOrKey, d.originatorKey, CMS_OriginatorPublicKey, 1)
195 } ASN1_CHOICE_END(CMS_OriginatorIdentifierOrKey)
196
197 static int cms_kari_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
198                                                         void *exarg)
199         {
200         CMS_KeyAgreeRecipientInfo *kari = (CMS_KeyAgreeRecipientInfo *)*pval;
201         if(operation == ASN1_OP_NEW_POST)
202                 {
203                 EVP_CIPHER_CTX_init(&kari->ctx);
204                 EVP_CIPHER_CTX_set_flags(&kari->ctx,
205                                         EVP_CIPHER_CTX_FLAG_WRAP_ALLOW);
206                 kari->pctx = NULL;
207                 }
208         else if(operation == ASN1_OP_FREE_POST)
209                 {
210                 if (kari->pctx)
211                         EVP_PKEY_CTX_free(kari->pctx);
212                 EVP_CIPHER_CTX_cleanup(&kari->ctx);
213                 }
214         return 1;
215         }
216
217 ASN1_SEQUENCE_cb(CMS_KeyAgreeRecipientInfo, cms_kari_cb) = {
218         ASN1_SIMPLE(CMS_KeyAgreeRecipientInfo, version, LONG),
219         ASN1_EXP(CMS_KeyAgreeRecipientInfo, originator, CMS_OriginatorIdentifierOrKey, 0),
220         ASN1_EXP_OPT(CMS_KeyAgreeRecipientInfo, ukm, ASN1_OCTET_STRING, 1),
221         ASN1_SIMPLE(CMS_KeyAgreeRecipientInfo, keyEncryptionAlgorithm, X509_ALGOR),
222         ASN1_SEQUENCE_OF(CMS_KeyAgreeRecipientInfo, recipientEncryptedKeys, CMS_RecipientEncryptedKey)
223 } ASN1_SEQUENCE_END_cb(CMS_KeyAgreeRecipientInfo, CMS_KeyAgreeRecipientInfo)
224
225 ASN1_SEQUENCE(CMS_KEKIdentifier) = {
226         ASN1_SIMPLE(CMS_KEKIdentifier, keyIdentifier, ASN1_OCTET_STRING),
227         ASN1_OPT(CMS_KEKIdentifier, date, ASN1_GENERALIZEDTIME),
228         ASN1_OPT(CMS_KEKIdentifier, other, CMS_OtherKeyAttribute)
229 } ASN1_SEQUENCE_END(CMS_KEKIdentifier)
230
231 ASN1_SEQUENCE(CMS_KEKRecipientInfo) = {
232         ASN1_SIMPLE(CMS_KEKRecipientInfo, version, LONG),
233         ASN1_SIMPLE(CMS_KEKRecipientInfo, kekid, CMS_KEKIdentifier),
234         ASN1_SIMPLE(CMS_KEKRecipientInfo, keyEncryptionAlgorithm, X509_ALGOR),
235         ASN1_SIMPLE(CMS_KEKRecipientInfo, encryptedKey, ASN1_OCTET_STRING)
236 } ASN1_SEQUENCE_END(CMS_KEKRecipientInfo)
237
238 ASN1_SEQUENCE(CMS_PasswordRecipientInfo) = {
239         ASN1_SIMPLE(CMS_PasswordRecipientInfo, version, LONG),
240         ASN1_IMP_OPT(CMS_PasswordRecipientInfo, keyDerivationAlgorithm, X509_ALGOR, 0),
241         ASN1_SIMPLE(CMS_PasswordRecipientInfo, keyEncryptionAlgorithm, X509_ALGOR),
242         ASN1_SIMPLE(CMS_PasswordRecipientInfo, encryptedKey, ASN1_OCTET_STRING)
243 } ASN1_SEQUENCE_END(CMS_PasswordRecipientInfo)
244
245 ASN1_SEQUENCE(CMS_OtherRecipientInfo) = {
246   ASN1_SIMPLE(CMS_OtherRecipientInfo, oriType, ASN1_OBJECT),
247   ASN1_OPT(CMS_OtherRecipientInfo, oriValue, ASN1_ANY)
248 } ASN1_SEQUENCE_END(CMS_OtherRecipientInfo)
249
250 /* Free up RecipientInfo additional data */
251 static int cms_ri_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
252                                                         void *exarg)
253         {
254         if(operation == ASN1_OP_FREE_PRE)
255                 {
256                 CMS_RecipientInfo *ri = (CMS_RecipientInfo *)*pval;
257                 if (ri->type == CMS_RECIPINFO_TRANS)
258                         {
259                         CMS_KeyTransRecipientInfo *ktri = ri->d.ktri;
260                         if (ktri->pkey)
261                                 EVP_PKEY_free(ktri->pkey);
262                         if (ktri->recip)
263                                 X509_free(ktri->recip);
264                         if (ktri->pctx)
265                                 EVP_PKEY_CTX_free(ktri->pctx);
266                         }
267                 else if (ri->type == CMS_RECIPINFO_KEK)
268                         {
269                         CMS_KEKRecipientInfo *kekri = ri->d.kekri;
270                         if (kekri->key)
271                                 {
272                                 OPENSSL_cleanse(kekri->key, kekri->keylen);
273                                 OPENSSL_free(kekri->key);
274                                 }
275                         }
276                 else if (ri->type == CMS_RECIPINFO_PASS)
277                         {
278                         CMS_PasswordRecipientInfo *pwri = ri->d.pwri;
279                         if (pwri->pass)
280                                 {
281                                 OPENSSL_cleanse(pwri->pass, pwri->passlen);
282                                 OPENSSL_free(pwri->pass);
283                                 }
284                         }
285                 }
286         return 1;
287         }
288
289 ASN1_CHOICE_cb(CMS_RecipientInfo, cms_ri_cb) = {
290         ASN1_SIMPLE(CMS_RecipientInfo, d.ktri, CMS_KeyTransRecipientInfo),
291         ASN1_IMP(CMS_RecipientInfo, d.kari, CMS_KeyAgreeRecipientInfo, 1),
292         ASN1_IMP(CMS_RecipientInfo, d.kekri, CMS_KEKRecipientInfo, 2),
293         ASN1_IMP(CMS_RecipientInfo, d.pwri, CMS_PasswordRecipientInfo, 3),
294         ASN1_IMP(CMS_RecipientInfo, d.ori, CMS_OtherRecipientInfo, 4)
295 } ASN1_CHOICE_END_cb(CMS_RecipientInfo, CMS_RecipientInfo, type)
296
297 ASN1_NDEF_SEQUENCE(CMS_EnvelopedData) = {
298         ASN1_SIMPLE(CMS_EnvelopedData, version, LONG),
299         ASN1_IMP_OPT(CMS_EnvelopedData, originatorInfo, CMS_OriginatorInfo, 0),
300         ASN1_SET_OF(CMS_EnvelopedData, recipientInfos, CMS_RecipientInfo),
301         ASN1_SIMPLE(CMS_EnvelopedData, encryptedContentInfo, CMS_EncryptedContentInfo),
302         ASN1_IMP_SET_OF_OPT(CMS_EnvelopedData, unprotectedAttrs, X509_ATTRIBUTE, 1)
303 } ASN1_NDEF_SEQUENCE_END(CMS_EnvelopedData)
304
305 ASN1_NDEF_SEQUENCE(CMS_DigestedData) = {
306         ASN1_SIMPLE(CMS_DigestedData, version, LONG),
307         ASN1_SIMPLE(CMS_DigestedData, digestAlgorithm, X509_ALGOR),
308         ASN1_SIMPLE(CMS_DigestedData, encapContentInfo, CMS_EncapsulatedContentInfo),
309         ASN1_SIMPLE(CMS_DigestedData, digest, ASN1_OCTET_STRING)
310 } ASN1_NDEF_SEQUENCE_END(CMS_DigestedData)
311
312 ASN1_NDEF_SEQUENCE(CMS_EncryptedData) = {
313         ASN1_SIMPLE(CMS_EncryptedData, version, LONG),
314         ASN1_SIMPLE(CMS_EncryptedData, encryptedContentInfo, CMS_EncryptedContentInfo),
315         ASN1_IMP_SET_OF_OPT(CMS_EncryptedData, unprotectedAttrs, X509_ATTRIBUTE, 1)
316 } ASN1_NDEF_SEQUENCE_END(CMS_EncryptedData)
317
318 ASN1_NDEF_SEQUENCE(CMS_AuthenticatedData) = {
319         ASN1_SIMPLE(CMS_AuthenticatedData, version, LONG),
320         ASN1_IMP_OPT(CMS_AuthenticatedData, originatorInfo, CMS_OriginatorInfo, 0),
321         ASN1_SET_OF(CMS_AuthenticatedData, recipientInfos, CMS_RecipientInfo),
322         ASN1_SIMPLE(CMS_AuthenticatedData, macAlgorithm, X509_ALGOR),
323         ASN1_IMP(CMS_AuthenticatedData, digestAlgorithm, X509_ALGOR, 1),
324         ASN1_SIMPLE(CMS_AuthenticatedData, encapContentInfo, CMS_EncapsulatedContentInfo),
325         ASN1_IMP_SET_OF_OPT(CMS_AuthenticatedData, authAttrs, X509_ALGOR, 2),
326         ASN1_SIMPLE(CMS_AuthenticatedData, mac, ASN1_OCTET_STRING),
327         ASN1_IMP_SET_OF_OPT(CMS_AuthenticatedData, unauthAttrs, X509_ALGOR, 3)
328 } ASN1_NDEF_SEQUENCE_END(CMS_AuthenticatedData)
329
330 ASN1_NDEF_SEQUENCE(CMS_CompressedData) = {
331         ASN1_SIMPLE(CMS_CompressedData, version, LONG),
332         ASN1_SIMPLE(CMS_CompressedData, compressionAlgorithm, X509_ALGOR),
333         ASN1_SIMPLE(CMS_CompressedData, encapContentInfo, CMS_EncapsulatedContentInfo),
334 } ASN1_NDEF_SEQUENCE_END(CMS_CompressedData)
335
336 /* This is the ANY DEFINED BY table for the top level ContentInfo structure */
337
338 ASN1_ADB_TEMPLATE(cms_default) = ASN1_EXP(CMS_ContentInfo, d.other, ASN1_ANY, 0);
339
340 ASN1_ADB(CMS_ContentInfo) = {
341         ADB_ENTRY(NID_pkcs7_data, ASN1_NDEF_EXP(CMS_ContentInfo, d.data, ASN1_OCTET_STRING_NDEF, 0)),
342         ADB_ENTRY(NID_pkcs7_signed, ASN1_NDEF_EXP(CMS_ContentInfo, d.signedData, CMS_SignedData, 0)),
343         ADB_ENTRY(NID_pkcs7_enveloped, ASN1_NDEF_EXP(CMS_ContentInfo, d.envelopedData, CMS_EnvelopedData, 0)),
344         ADB_ENTRY(NID_pkcs7_digest, ASN1_NDEF_EXP(CMS_ContentInfo, d.digestedData, CMS_DigestedData, 0)),
345         ADB_ENTRY(NID_pkcs7_encrypted, ASN1_NDEF_EXP(CMS_ContentInfo, d.encryptedData, CMS_EncryptedData, 0)),
346         ADB_ENTRY(NID_id_smime_ct_authData, ASN1_NDEF_EXP(CMS_ContentInfo, d.authenticatedData, CMS_AuthenticatedData, 0)),
347         ADB_ENTRY(NID_id_smime_ct_compressedData, ASN1_NDEF_EXP(CMS_ContentInfo, d.compressedData, CMS_CompressedData, 0)),
348 } ASN1_ADB_END(CMS_ContentInfo, 0, contentType, 0, &cms_default_tt, NULL);
349
350 /* CMS streaming support */
351 static int cms_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
352                                                         void *exarg)
353         {
354         ASN1_STREAM_ARG *sarg = exarg;
355         CMS_ContentInfo *cms = NULL;
356         if (pval)
357                 cms = (CMS_ContentInfo *)*pval;
358         else
359                 return 1;
360         switch(operation)
361                 {
362
363                 case ASN1_OP_STREAM_PRE:
364                 if (CMS_stream(&sarg->boundary, cms) <= 0)
365                         return 0;
366                 case ASN1_OP_DETACHED_PRE:
367                 sarg->ndef_bio = CMS_dataInit(cms, sarg->out);
368                 if (!sarg->ndef_bio)
369                         return 0;
370                 break;
371
372                 case ASN1_OP_STREAM_POST:
373                 case ASN1_OP_DETACHED_POST:
374                 if (CMS_dataFinal(cms, sarg->ndef_bio) <= 0)
375                         return 0;
376                 break;
377
378                 }
379         return 1;
380         }
381
382 ASN1_NDEF_SEQUENCE_cb(CMS_ContentInfo, cms_cb) = {
383         ASN1_SIMPLE(CMS_ContentInfo, contentType, ASN1_OBJECT),
384         ASN1_ADB_OBJECT(CMS_ContentInfo)
385 } ASN1_NDEF_SEQUENCE_END_cb(CMS_ContentInfo, CMS_ContentInfo)
386
387 /* Specials for signed attributes */
388
389 /* When signing attributes we want to reorder them to match the sorted
390  * encoding.
391  */
392
393 ASN1_ITEM_TEMPLATE(CMS_Attributes_Sign) = 
394         ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SET_ORDER, 0, CMS_ATTRIBUTES, X509_ATTRIBUTE)
395 ASN1_ITEM_TEMPLATE_END(CMS_Attributes_Sign)
396
397 /* When verifying attributes we need to use the received order. So 
398  * we use SEQUENCE OF and tag it to SET OF
399  */
400
401 ASN1_ITEM_TEMPLATE(CMS_Attributes_Verify) = 
402         ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF | ASN1_TFLG_IMPTAG | ASN1_TFLG_UNIVERSAL,
403                                 V_ASN1_SET, CMS_ATTRIBUTES, X509_ATTRIBUTE)
404 ASN1_ITEM_TEMPLATE_END(CMS_Attributes_Verify)
405
406
407
408 ASN1_CHOICE(CMS_ReceiptsFrom) = {
409   ASN1_IMP(CMS_ReceiptsFrom, d.allOrFirstTier, LONG, 0),
410   ASN1_IMP_SEQUENCE_OF(CMS_ReceiptsFrom, d.receiptList, GENERAL_NAMES, 1)
411 } ASN1_CHOICE_END(CMS_ReceiptsFrom)
412
413 ASN1_SEQUENCE(CMS_ReceiptRequest) = {
414   ASN1_SIMPLE(CMS_ReceiptRequest, signedContentIdentifier, ASN1_OCTET_STRING),
415   ASN1_SIMPLE(CMS_ReceiptRequest, receiptsFrom, CMS_ReceiptsFrom),
416   ASN1_SEQUENCE_OF(CMS_ReceiptRequest, receiptsTo, GENERAL_NAMES)
417 } ASN1_SEQUENCE_END(CMS_ReceiptRequest)
418
419 ASN1_SEQUENCE(CMS_Receipt) = {
420   ASN1_SIMPLE(CMS_Receipt, version, LONG),
421   ASN1_SIMPLE(CMS_Receipt, contentType, ASN1_OBJECT),
422   ASN1_SIMPLE(CMS_Receipt, signedContentIdentifier, ASN1_OCTET_STRING),
423   ASN1_SIMPLE(CMS_Receipt, originatorSignatureValue, ASN1_OCTET_STRING)
424 } ASN1_SEQUENCE_END(CMS_Receipt)
425
426 /* Utilities to encode the CMS_SharedInfo structure used during key
427  * derivation.
428  */
429
430 typedef struct {
431         X509_ALGOR *keyInfo;
432         ASN1_OCTET_STRING *entityUInfo;
433         ASN1_OCTET_STRING *suppPubInfo;
434 } CMS_SharedInfo;
435
436 ASN1_SEQUENCE(CMS_SharedInfo) = {
437   ASN1_SIMPLE(CMS_SharedInfo, keyInfo, X509_ALGOR),
438   ASN1_EXP_OPT(CMS_SharedInfo, entityUInfo, ASN1_OCTET_STRING, 0),
439   ASN1_EXP_OPT(CMS_SharedInfo, suppPubInfo, ASN1_OCTET_STRING, 2),
440 } ASN1_SEQUENCE_END(CMS_SharedInfo)
441
442 int CMS_SharedInfo_encode(unsigned char **pder, X509_ALGOR *kekalg, 
443                         ASN1_OCTET_STRING *ukm, int keylen)
444         {
445         union {
446                 CMS_SharedInfo *pecsi;
447                 ASN1_VALUE *a;
448         } intsi = {NULL};
449
450         ASN1_OCTET_STRING oklen;
451         unsigned char kl[4];
452         CMS_SharedInfo ecsi;
453
454         keylen <<= 3;
455         kl[0] = (keylen >> 24) & 0xff;
456         kl[1] = (keylen >> 16) & 0xff;
457         kl[2] = (keylen >> 8) & 0xff;
458         kl[3] = keylen & 0xff;
459         oklen.length = 4;
460         oklen.data = kl;
461         oklen.type = V_ASN1_OCTET_STRING;
462         oklen.flags = 0;
463         ecsi.keyInfo = kekalg;
464         ecsi.entityUInfo = ukm;
465         ecsi.suppPubInfo = &oklen;
466         intsi.pecsi = &ecsi;
467         return ASN1_item_i2d(intsi.a, pder, ASN1_ITEM_rptr(CMS_SharedInfo));
468         }