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0f113f3e | 1 | /* |
b1322259 | 2 | * Copyright 2008-2016 The OpenSSL Project Authors. All Rights Reserved. |
8931b30d | 3 | * |
08ddd302 | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
b1322259 RS |
5 | * this file except in compliance with the License. You can obtain a copy |
6 | * in the file LICENSE in the source distribution or at | |
7 | * https://www.openssl.org/source/license.html | |
8931b30d DSH |
8 | */ |
9 | ||
10 | #include <openssl/asn1t.h> | |
11 | #include <openssl/pem.h> | |
be86c7fc | 12 | #include <openssl/x509v3.h> |
e52a3c3d | 13 | #include <openssl/cms.h> |
706457b7 | 14 | #include "cms_local.h" |
8931b30d DSH |
15 | |
16 | ||
17 | ASN1_SEQUENCE(CMS_IssuerAndSerialNumber) = { | |
0f113f3e MC |
18 | ASN1_SIMPLE(CMS_IssuerAndSerialNumber, issuer, X509_NAME), |
19 | ASN1_SIMPLE(CMS_IssuerAndSerialNumber, serialNumber, ASN1_INTEGER) | |
8931b30d DSH |
20 | } ASN1_SEQUENCE_END(CMS_IssuerAndSerialNumber) |
21 | ||
22 | ASN1_SEQUENCE(CMS_OtherCertificateFormat) = { | |
0f113f3e MC |
23 | ASN1_SIMPLE(CMS_OtherCertificateFormat, otherCertFormat, ASN1_OBJECT), |
24 | ASN1_OPT(CMS_OtherCertificateFormat, otherCert, ASN1_ANY) | |
df2ee0e2 | 25 | } static_ASN1_SEQUENCE_END(CMS_OtherCertificateFormat) |
8931b30d DSH |
26 | |
27 | ASN1_CHOICE(CMS_CertificateChoices) = { | |
0f113f3e MC |
28 | ASN1_SIMPLE(CMS_CertificateChoices, d.certificate, X509), |
29 | ASN1_IMP(CMS_CertificateChoices, d.extendedCertificate, ASN1_SEQUENCE, 0), | |
30 | ASN1_IMP(CMS_CertificateChoices, d.v1AttrCert, ASN1_SEQUENCE, 1), | |
31 | ASN1_IMP(CMS_CertificateChoices, d.v2AttrCert, ASN1_SEQUENCE, 2), | |
32 | ASN1_IMP(CMS_CertificateChoices, d.other, CMS_OtherCertificateFormat, 3) | |
8931b30d DSH |
33 | } ASN1_CHOICE_END(CMS_CertificateChoices) |
34 | ||
35 | ASN1_CHOICE(CMS_SignerIdentifier) = { | |
0f113f3e MC |
36 | ASN1_SIMPLE(CMS_SignerIdentifier, d.issuerAndSerialNumber, CMS_IssuerAndSerialNumber), |
37 | ASN1_IMP(CMS_SignerIdentifier, d.subjectKeyIdentifier, ASN1_OCTET_STRING, 0) | |
df2ee0e2 | 38 | } static_ASN1_CHOICE_END(CMS_SignerIdentifier) |
8931b30d DSH |
39 | |
40 | ASN1_NDEF_SEQUENCE(CMS_EncapsulatedContentInfo) = { | |
0f113f3e MC |
41 | ASN1_SIMPLE(CMS_EncapsulatedContentInfo, eContentType, ASN1_OBJECT), |
42 | ASN1_NDEF_EXP_OPT(CMS_EncapsulatedContentInfo, eContent, ASN1_OCTET_STRING_NDEF, 0) | |
df2ee0e2 | 43 | } static_ASN1_NDEF_SEQUENCE_END(CMS_EncapsulatedContentInfo) |
8931b30d | 44 | |
afff52a3 | 45 | /* Minor tweak to operation: free up signer key, cert */ |
8931b30d | 46 | static int cms_si_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, |
0f113f3e MC |
47 | void *exarg) |
48 | { | |
49 | if (operation == ASN1_OP_FREE_POST) { | |
50 | CMS_SignerInfo *si = (CMS_SignerInfo *)*pval; | |
c5ba2d99 | 51 | EVP_PKEY_free(si->pkey); |
222561fe | 52 | X509_free(si->signer); |
bfb0641f | 53 | EVP_MD_CTX_free(si->mctx); |
0f113f3e MC |
54 | } |
55 | return 1; | |
56 | } | |
8931b30d DSH |
57 | |
58 | ASN1_SEQUENCE_cb(CMS_SignerInfo, cms_si_cb) = { | |
9612e157 | 59 | ASN1_EMBED(CMS_SignerInfo, version, INT32), |
0f113f3e MC |
60 | ASN1_SIMPLE(CMS_SignerInfo, sid, CMS_SignerIdentifier), |
61 | ASN1_SIMPLE(CMS_SignerInfo, digestAlgorithm, X509_ALGOR), | |
62 | ASN1_IMP_SET_OF_OPT(CMS_SignerInfo, signedAttrs, X509_ATTRIBUTE, 0), | |
63 | ASN1_SIMPLE(CMS_SignerInfo, signatureAlgorithm, X509_ALGOR), | |
64 | ASN1_SIMPLE(CMS_SignerInfo, signature, ASN1_OCTET_STRING), | |
65 | ASN1_IMP_SET_OF_OPT(CMS_SignerInfo, unsignedAttrs, X509_ATTRIBUTE, 1) | |
8931b30d DSH |
66 | } ASN1_SEQUENCE_END_cb(CMS_SignerInfo, CMS_SignerInfo) |
67 | ||
68 | ASN1_SEQUENCE(CMS_OtherRevocationInfoFormat) = { | |
0f113f3e MC |
69 | ASN1_SIMPLE(CMS_OtherRevocationInfoFormat, otherRevInfoFormat, ASN1_OBJECT), |
70 | ASN1_OPT(CMS_OtherRevocationInfoFormat, otherRevInfo, ASN1_ANY) | |
df2ee0e2 | 71 | } static_ASN1_SEQUENCE_END(CMS_OtherRevocationInfoFormat) |
8931b30d DSH |
72 | |
73 | ASN1_CHOICE(CMS_RevocationInfoChoice) = { | |
0f113f3e MC |
74 | ASN1_SIMPLE(CMS_RevocationInfoChoice, d.crl, X509_CRL), |
75 | ASN1_IMP(CMS_RevocationInfoChoice, d.other, CMS_OtherRevocationInfoFormat, 1) | |
8931b30d DSH |
76 | } ASN1_CHOICE_END(CMS_RevocationInfoChoice) |
77 | ||
78 | ASN1_NDEF_SEQUENCE(CMS_SignedData) = { | |
9612e157 | 79 | ASN1_EMBED(CMS_SignedData, version, INT32), |
0f113f3e MC |
80 | ASN1_SET_OF(CMS_SignedData, digestAlgorithms, X509_ALGOR), |
81 | ASN1_SIMPLE(CMS_SignedData, encapContentInfo, CMS_EncapsulatedContentInfo), | |
82 | ASN1_IMP_SET_OF_OPT(CMS_SignedData, certificates, CMS_CertificateChoices, 0), | |
83 | ASN1_IMP_SET_OF_OPT(CMS_SignedData, crls, CMS_RevocationInfoChoice, 1), | |
84 | ASN1_SET_OF(CMS_SignedData, signerInfos, CMS_SignerInfo) | |
8931b30d DSH |
85 | } ASN1_NDEF_SEQUENCE_END(CMS_SignedData) |
86 | ||
87 | ASN1_SEQUENCE(CMS_OriginatorInfo) = { | |
0f113f3e MC |
88 | ASN1_IMP_SET_OF_OPT(CMS_OriginatorInfo, certificates, CMS_CertificateChoices, 0), |
89 | ASN1_IMP_SET_OF_OPT(CMS_OriginatorInfo, crls, CMS_RevocationInfoChoice, 1) | |
df2ee0e2 | 90 | } static_ASN1_SEQUENCE_END(CMS_OriginatorInfo) |
8931b30d DSH |
91 | |
92 | ASN1_NDEF_SEQUENCE(CMS_EncryptedContentInfo) = { | |
0f113f3e MC |
93 | ASN1_SIMPLE(CMS_EncryptedContentInfo, contentType, ASN1_OBJECT), |
94 | ASN1_SIMPLE(CMS_EncryptedContentInfo, contentEncryptionAlgorithm, X509_ALGOR), | |
95 | ASN1_IMP_OPT(CMS_EncryptedContentInfo, encryptedContent, ASN1_OCTET_STRING_NDEF, 0) | |
df2ee0e2 | 96 | } static_ASN1_NDEF_SEQUENCE_END(CMS_EncryptedContentInfo) |
8931b30d DSH |
97 | |
98 | ASN1_SEQUENCE(CMS_KeyTransRecipientInfo) = { | |
9612e157 | 99 | ASN1_EMBED(CMS_KeyTransRecipientInfo, version, INT32), |
0f113f3e MC |
100 | ASN1_SIMPLE(CMS_KeyTransRecipientInfo, rid, CMS_SignerIdentifier), |
101 | ASN1_SIMPLE(CMS_KeyTransRecipientInfo, keyEncryptionAlgorithm, X509_ALGOR), | |
102 | ASN1_SIMPLE(CMS_KeyTransRecipientInfo, encryptedKey, ASN1_OCTET_STRING) | |
8931b30d DSH |
103 | } ASN1_SEQUENCE_END(CMS_KeyTransRecipientInfo) |
104 | ||
105 | ASN1_SEQUENCE(CMS_OtherKeyAttribute) = { | |
0f113f3e MC |
106 | ASN1_SIMPLE(CMS_OtherKeyAttribute, keyAttrId, ASN1_OBJECT), |
107 | ASN1_OPT(CMS_OtherKeyAttribute, keyAttr, ASN1_ANY) | |
8931b30d DSH |
108 | } ASN1_SEQUENCE_END(CMS_OtherKeyAttribute) |
109 | ||
110 | ASN1_SEQUENCE(CMS_RecipientKeyIdentifier) = { | |
0f113f3e MC |
111 | ASN1_SIMPLE(CMS_RecipientKeyIdentifier, subjectKeyIdentifier, ASN1_OCTET_STRING), |
112 | ASN1_OPT(CMS_RecipientKeyIdentifier, date, ASN1_GENERALIZEDTIME), | |
113 | ASN1_OPT(CMS_RecipientKeyIdentifier, other, CMS_OtherKeyAttribute) | |
8931b30d DSH |
114 | } ASN1_SEQUENCE_END(CMS_RecipientKeyIdentifier) |
115 | ||
116 | ASN1_CHOICE(CMS_KeyAgreeRecipientIdentifier) = { | |
117 | ASN1_SIMPLE(CMS_KeyAgreeRecipientIdentifier, d.issuerAndSerialNumber, CMS_IssuerAndSerialNumber), | |
118 | ASN1_IMP(CMS_KeyAgreeRecipientIdentifier, d.rKeyId, CMS_RecipientKeyIdentifier, 0) | |
df2ee0e2 | 119 | } static_ASN1_CHOICE_END(CMS_KeyAgreeRecipientIdentifier) |
8931b30d | 120 | |
17c2764d | 121 | static int cms_rek_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, |
0f113f3e MC |
122 | void *exarg) |
123 | { | |
124 | CMS_RecipientEncryptedKey *rek = (CMS_RecipientEncryptedKey *)*pval; | |
125 | if (operation == ASN1_OP_FREE_POST) { | |
c5ba2d99 | 126 | EVP_PKEY_free(rek->pkey); |
0f113f3e MC |
127 | } |
128 | return 1; | |
129 | } | |
17c2764d DSH |
130 | |
131 | ASN1_SEQUENCE_cb(CMS_RecipientEncryptedKey, cms_rek_cb) = { | |
0f113f3e MC |
132 | ASN1_SIMPLE(CMS_RecipientEncryptedKey, rid, CMS_KeyAgreeRecipientIdentifier), |
133 | ASN1_SIMPLE(CMS_RecipientEncryptedKey, encryptedKey, ASN1_OCTET_STRING) | |
17c2764d | 134 | } ASN1_SEQUENCE_END_cb(CMS_RecipientEncryptedKey, CMS_RecipientEncryptedKey) |
8931b30d DSH |
135 | |
136 | ASN1_SEQUENCE(CMS_OriginatorPublicKey) = { | |
137 | ASN1_SIMPLE(CMS_OriginatorPublicKey, algorithm, X509_ALGOR), | |
138 | ASN1_SIMPLE(CMS_OriginatorPublicKey, publicKey, ASN1_BIT_STRING) | |
139 | } ASN1_SEQUENCE_END(CMS_OriginatorPublicKey) | |
140 | ||
141 | ASN1_CHOICE(CMS_OriginatorIdentifierOrKey) = { | |
142 | ASN1_SIMPLE(CMS_OriginatorIdentifierOrKey, d.issuerAndSerialNumber, CMS_IssuerAndSerialNumber), | |
143 | ASN1_IMP(CMS_OriginatorIdentifierOrKey, d.subjectKeyIdentifier, ASN1_OCTET_STRING, 0), | |
144 | ASN1_IMP(CMS_OriginatorIdentifierOrKey, d.originatorKey, CMS_OriginatorPublicKey, 1) | |
df2ee0e2 | 145 | } static_ASN1_CHOICE_END(CMS_OriginatorIdentifierOrKey) |
8931b30d | 146 | |
17c2764d | 147 | static int cms_kari_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, |
0f113f3e MC |
148 | void *exarg) |
149 | { | |
150 | CMS_KeyAgreeRecipientInfo *kari = (CMS_KeyAgreeRecipientInfo *)*pval; | |
151 | if (operation == ASN1_OP_NEW_POST) { | |
846ec07d RL |
152 | kari->ctx = EVP_CIPHER_CTX_new(); |
153 | if (kari->ctx == NULL) | |
154 | return 0; | |
155 | EVP_CIPHER_CTX_set_flags(kari->ctx, EVP_CIPHER_CTX_FLAG_WRAP_ALLOW); | |
0f113f3e MC |
156 | kari->pctx = NULL; |
157 | } else if (operation == ASN1_OP_FREE_POST) { | |
c5ba2d99 | 158 | EVP_PKEY_CTX_free(kari->pctx); |
846ec07d | 159 | EVP_CIPHER_CTX_free(kari->ctx); |
0f113f3e MC |
160 | } |
161 | return 1; | |
162 | } | |
17c2764d DSH |
163 | |
164 | ASN1_SEQUENCE_cb(CMS_KeyAgreeRecipientInfo, cms_kari_cb) = { | |
9612e157 | 165 | ASN1_EMBED(CMS_KeyAgreeRecipientInfo, version, INT32), |
0f113f3e MC |
166 | ASN1_EXP(CMS_KeyAgreeRecipientInfo, originator, CMS_OriginatorIdentifierOrKey, 0), |
167 | ASN1_EXP_OPT(CMS_KeyAgreeRecipientInfo, ukm, ASN1_OCTET_STRING, 1), | |
168 | ASN1_SIMPLE(CMS_KeyAgreeRecipientInfo, keyEncryptionAlgorithm, X509_ALGOR), | |
169 | ASN1_SEQUENCE_OF(CMS_KeyAgreeRecipientInfo, recipientEncryptedKeys, CMS_RecipientEncryptedKey) | |
17c2764d | 170 | } ASN1_SEQUENCE_END_cb(CMS_KeyAgreeRecipientInfo, CMS_KeyAgreeRecipientInfo) |
8931b30d DSH |
171 | |
172 | ASN1_SEQUENCE(CMS_KEKIdentifier) = { | |
0f113f3e MC |
173 | ASN1_SIMPLE(CMS_KEKIdentifier, keyIdentifier, ASN1_OCTET_STRING), |
174 | ASN1_OPT(CMS_KEKIdentifier, date, ASN1_GENERALIZEDTIME), | |
175 | ASN1_OPT(CMS_KEKIdentifier, other, CMS_OtherKeyAttribute) | |
df2ee0e2 | 176 | } static_ASN1_SEQUENCE_END(CMS_KEKIdentifier) |
8931b30d DSH |
177 | |
178 | ASN1_SEQUENCE(CMS_KEKRecipientInfo) = { | |
9612e157 | 179 | ASN1_EMBED(CMS_KEKRecipientInfo, version, INT32), |
0f113f3e MC |
180 | ASN1_SIMPLE(CMS_KEKRecipientInfo, kekid, CMS_KEKIdentifier), |
181 | ASN1_SIMPLE(CMS_KEKRecipientInfo, keyEncryptionAlgorithm, X509_ALGOR), | |
182 | ASN1_SIMPLE(CMS_KEKRecipientInfo, encryptedKey, ASN1_OCTET_STRING) | |
8931b30d DSH |
183 | } ASN1_SEQUENCE_END(CMS_KEKRecipientInfo) |
184 | ||
185 | ASN1_SEQUENCE(CMS_PasswordRecipientInfo) = { | |
9612e157 | 186 | ASN1_EMBED(CMS_PasswordRecipientInfo, version, INT32), |
0f113f3e MC |
187 | ASN1_IMP_OPT(CMS_PasswordRecipientInfo, keyDerivationAlgorithm, X509_ALGOR, 0), |
188 | ASN1_SIMPLE(CMS_PasswordRecipientInfo, keyEncryptionAlgorithm, X509_ALGOR), | |
189 | ASN1_SIMPLE(CMS_PasswordRecipientInfo, encryptedKey, ASN1_OCTET_STRING) | |
8931b30d DSH |
190 | } ASN1_SEQUENCE_END(CMS_PasswordRecipientInfo) |
191 | ||
192 | ASN1_SEQUENCE(CMS_OtherRecipientInfo) = { | |
193 | ASN1_SIMPLE(CMS_OtherRecipientInfo, oriType, ASN1_OBJECT), | |
194 | ASN1_OPT(CMS_OtherRecipientInfo, oriValue, ASN1_ANY) | |
df2ee0e2 | 195 | } static_ASN1_SEQUENCE_END(CMS_OtherRecipientInfo) |
8931b30d | 196 | |
afff52a3 DSH |
197 | /* Free up RecipientInfo additional data */ |
198 | static int cms_ri_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, | |
0f113f3e MC |
199 | void *exarg) |
200 | { | |
201 | if (operation == ASN1_OP_FREE_PRE) { | |
202 | CMS_RecipientInfo *ri = (CMS_RecipientInfo *)*pval; | |
203 | if (ri->type == CMS_RECIPINFO_TRANS) { | |
204 | CMS_KeyTransRecipientInfo *ktri = ri->d.ktri; | |
c5ba2d99 | 205 | EVP_PKEY_free(ktri->pkey); |
222561fe | 206 | X509_free(ktri->recip); |
c5ba2d99 | 207 | EVP_PKEY_CTX_free(ktri->pctx); |
0f113f3e MC |
208 | } else if (ri->type == CMS_RECIPINFO_KEK) { |
209 | CMS_KEKRecipientInfo *kekri = ri->d.kekri; | |
4b45c6e5 | 210 | OPENSSL_clear_free(kekri->key, kekri->keylen); |
0f113f3e MC |
211 | } else if (ri->type == CMS_RECIPINFO_PASS) { |
212 | CMS_PasswordRecipientInfo *pwri = ri->d.pwri; | |
4b45c6e5 | 213 | OPENSSL_clear_free(pwri->pass, pwri->passlen); |
0f113f3e MC |
214 | } |
215 | } | |
216 | return 1; | |
217 | } | |
afff52a3 DSH |
218 | |
219 | ASN1_CHOICE_cb(CMS_RecipientInfo, cms_ri_cb) = { | |
0f113f3e MC |
220 | ASN1_SIMPLE(CMS_RecipientInfo, d.ktri, CMS_KeyTransRecipientInfo), |
221 | ASN1_IMP(CMS_RecipientInfo, d.kari, CMS_KeyAgreeRecipientInfo, 1), | |
222 | ASN1_IMP(CMS_RecipientInfo, d.kekri, CMS_KEKRecipientInfo, 2), | |
223 | ASN1_IMP(CMS_RecipientInfo, d.pwri, CMS_PasswordRecipientInfo, 3), | |
224 | ASN1_IMP(CMS_RecipientInfo, d.ori, CMS_OtherRecipientInfo, 4) | |
afff52a3 | 225 | } ASN1_CHOICE_END_cb(CMS_RecipientInfo, CMS_RecipientInfo, type) |
8931b30d DSH |
226 | |
227 | ASN1_NDEF_SEQUENCE(CMS_EnvelopedData) = { | |
9612e157 | 228 | ASN1_EMBED(CMS_EnvelopedData, version, INT32), |
0f113f3e MC |
229 | ASN1_IMP_OPT(CMS_EnvelopedData, originatorInfo, CMS_OriginatorInfo, 0), |
230 | ASN1_SET_OF(CMS_EnvelopedData, recipientInfos, CMS_RecipientInfo), | |
231 | ASN1_SIMPLE(CMS_EnvelopedData, encryptedContentInfo, CMS_EncryptedContentInfo), | |
232 | ASN1_IMP_SET_OF_OPT(CMS_EnvelopedData, unprotectedAttrs, X509_ATTRIBUTE, 1) | |
8931b30d DSH |
233 | } ASN1_NDEF_SEQUENCE_END(CMS_EnvelopedData) |
234 | ||
235 | ASN1_NDEF_SEQUENCE(CMS_DigestedData) = { | |
9612e157 | 236 | ASN1_EMBED(CMS_DigestedData, version, INT32), |
0f113f3e MC |
237 | ASN1_SIMPLE(CMS_DigestedData, digestAlgorithm, X509_ALGOR), |
238 | ASN1_SIMPLE(CMS_DigestedData, encapContentInfo, CMS_EncapsulatedContentInfo), | |
239 | ASN1_SIMPLE(CMS_DigestedData, digest, ASN1_OCTET_STRING) | |
8931b30d DSH |
240 | } ASN1_NDEF_SEQUENCE_END(CMS_DigestedData) |
241 | ||
242 | ASN1_NDEF_SEQUENCE(CMS_EncryptedData) = { | |
9612e157 | 243 | ASN1_EMBED(CMS_EncryptedData, version, INT32), |
0f113f3e MC |
244 | ASN1_SIMPLE(CMS_EncryptedData, encryptedContentInfo, CMS_EncryptedContentInfo), |
245 | ASN1_IMP_SET_OF_OPT(CMS_EncryptedData, unprotectedAttrs, X509_ATTRIBUTE, 1) | |
8931b30d DSH |
246 | } ASN1_NDEF_SEQUENCE_END(CMS_EncryptedData) |
247 | ||
924663c3 JZ |
248 | /* Defined in RFC 5083 - Section 2.1. AuthEnvelopedData Type */ |
249 | ASN1_NDEF_SEQUENCE(CMS_AuthEnvelopedData) = { | |
250 | ASN1_EMBED(CMS_AuthEnvelopedData, version, INT32), | |
251 | ASN1_IMP_OPT(CMS_AuthEnvelopedData, originatorInfo, CMS_OriginatorInfo, 0), | |
252 | ASN1_SET_OF(CMS_AuthEnvelopedData, recipientInfos, CMS_RecipientInfo), | |
253 | ASN1_SIMPLE(CMS_AuthEnvelopedData, authEncryptedContentInfo, CMS_EncryptedContentInfo), | |
254 | ASN1_IMP_SET_OF_OPT(CMS_AuthEnvelopedData, authAttrs, X509_ALGOR, 2), | |
255 | ASN1_SIMPLE(CMS_AuthEnvelopedData, mac, ASN1_OCTET_STRING), | |
256 | ASN1_IMP_SET_OF_OPT(CMS_AuthEnvelopedData, unauthAttrs, X509_ALGOR, 3) | |
257 | } ASN1_NDEF_SEQUENCE_END(CMS_AuthEnvelopedData) | |
258 | ||
8931b30d | 259 | ASN1_NDEF_SEQUENCE(CMS_AuthenticatedData) = { |
9612e157 | 260 | ASN1_EMBED(CMS_AuthenticatedData, version, INT32), |
0f113f3e MC |
261 | ASN1_IMP_OPT(CMS_AuthenticatedData, originatorInfo, CMS_OriginatorInfo, 0), |
262 | ASN1_SET_OF(CMS_AuthenticatedData, recipientInfos, CMS_RecipientInfo), | |
263 | ASN1_SIMPLE(CMS_AuthenticatedData, macAlgorithm, X509_ALGOR), | |
264 | ASN1_IMP(CMS_AuthenticatedData, digestAlgorithm, X509_ALGOR, 1), | |
265 | ASN1_SIMPLE(CMS_AuthenticatedData, encapContentInfo, CMS_EncapsulatedContentInfo), | |
266 | ASN1_IMP_SET_OF_OPT(CMS_AuthenticatedData, authAttrs, X509_ALGOR, 2), | |
267 | ASN1_SIMPLE(CMS_AuthenticatedData, mac, ASN1_OCTET_STRING), | |
268 | ASN1_IMP_SET_OF_OPT(CMS_AuthenticatedData, unauthAttrs, X509_ALGOR, 3) | |
df2ee0e2 | 269 | } static_ASN1_NDEF_SEQUENCE_END(CMS_AuthenticatedData) |
8931b30d DSH |
270 | |
271 | ASN1_NDEF_SEQUENCE(CMS_CompressedData) = { | |
9612e157 | 272 | ASN1_EMBED(CMS_CompressedData, version, INT32), |
0f113f3e MC |
273 | ASN1_SIMPLE(CMS_CompressedData, compressionAlgorithm, X509_ALGOR), |
274 | ASN1_SIMPLE(CMS_CompressedData, encapContentInfo, CMS_EncapsulatedContentInfo), | |
bc2a15cd | 275 | } ASN1_NDEF_SEQUENCE_END(CMS_CompressedData) |
8931b30d DSH |
276 | |
277 | /* This is the ANY DEFINED BY table for the top level ContentInfo structure */ | |
278 | ||
279 | ASN1_ADB_TEMPLATE(cms_default) = ASN1_EXP(CMS_ContentInfo, d.other, ASN1_ANY, 0); | |
280 | ||
281 | ASN1_ADB(CMS_ContentInfo) = { | |
0f113f3e MC |
282 | ADB_ENTRY(NID_pkcs7_data, ASN1_NDEF_EXP(CMS_ContentInfo, d.data, ASN1_OCTET_STRING_NDEF, 0)), |
283 | ADB_ENTRY(NID_pkcs7_signed, ASN1_NDEF_EXP(CMS_ContentInfo, d.signedData, CMS_SignedData, 0)), | |
284 | ADB_ENTRY(NID_pkcs7_enveloped, ASN1_NDEF_EXP(CMS_ContentInfo, d.envelopedData, CMS_EnvelopedData, 0)), | |
285 | ADB_ENTRY(NID_pkcs7_digest, ASN1_NDEF_EXP(CMS_ContentInfo, d.digestedData, CMS_DigestedData, 0)), | |
286 | ADB_ENTRY(NID_pkcs7_encrypted, ASN1_NDEF_EXP(CMS_ContentInfo, d.encryptedData, CMS_EncryptedData, 0)), | |
924663c3 | 287 | ADB_ENTRY(NID_id_smime_ct_authEnvelopedData, ASN1_NDEF_EXP(CMS_ContentInfo, d.authEnvelopedData, CMS_AuthEnvelopedData, 0)), |
0f113f3e MC |
288 | ADB_ENTRY(NID_id_smime_ct_authData, ASN1_NDEF_EXP(CMS_ContentInfo, d.authenticatedData, CMS_AuthenticatedData, 0)), |
289 | ADB_ENTRY(NID_id_smime_ct_compressedData, ASN1_NDEF_EXP(CMS_ContentInfo, d.compressedData, CMS_CompressedData, 0)), | |
8931b30d DSH |
290 | } ASN1_ADB_END(CMS_ContentInfo, 0, contentType, 0, &cms_default_tt, NULL); |
291 | ||
292 | /* CMS streaming support */ | |
293 | static int cms_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, | |
0f113f3e MC |
294 | void *exarg) |
295 | { | |
296 | ASN1_STREAM_ARG *sarg = exarg; | |
297 | CMS_ContentInfo *cms = NULL; | |
298 | if (pval) | |
299 | cms = (CMS_ContentInfo *)*pval; | |
300 | else | |
301 | return 1; | |
302 | switch (operation) { | |
303 | ||
304 | case ASN1_OP_STREAM_PRE: | |
305 | if (CMS_stream(&sarg->boundary, cms) <= 0) | |
306 | return 0; | |
018fcbec | 307 | /* fall thru */ |
0f113f3e MC |
308 | case ASN1_OP_DETACHED_PRE: |
309 | sarg->ndef_bio = CMS_dataInit(cms, sarg->out); | |
310 | if (!sarg->ndef_bio) | |
311 | return 0; | |
312 | break; | |
313 | ||
314 | case ASN1_OP_STREAM_POST: | |
315 | case ASN1_OP_DETACHED_POST: | |
316 | if (CMS_dataFinal(cms, sarg->ndef_bio) <= 0) | |
317 | return 0; | |
318 | break; | |
319 | ||
320 | } | |
321 | return 1; | |
322 | } | |
8931b30d DSH |
323 | |
324 | ASN1_NDEF_SEQUENCE_cb(CMS_ContentInfo, cms_cb) = { | |
0f113f3e MC |
325 | ASN1_SIMPLE(CMS_ContentInfo, contentType, ASN1_OBJECT), |
326 | ASN1_ADB_OBJECT(CMS_ContentInfo) | |
8931b30d DSH |
327 | } ASN1_NDEF_SEQUENCE_END_cb(CMS_ContentInfo, CMS_ContentInfo) |
328 | ||
329 | /* Specials for signed attributes */ | |
330 | ||
0f113f3e MC |
331 | /* |
332 | * When signing attributes we want to reorder them to match the sorted | |
8931b30d DSH |
333 | * encoding. |
334 | */ | |
335 | ||
0f113f3e MC |
336 | ASN1_ITEM_TEMPLATE(CMS_Attributes_Sign) = |
337 | ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SET_ORDER, 0, CMS_ATTRIBUTES, X509_ATTRIBUTE) | |
8931b30d DSH |
338 | ASN1_ITEM_TEMPLATE_END(CMS_Attributes_Sign) |
339 | ||
0f113f3e MC |
340 | /* |
341 | * When verifying attributes we need to use the received order. So we use | |
342 | * SEQUENCE OF and tag it to SET OF | |
8931b30d DSH |
343 | */ |
344 | ||
0f113f3e MC |
345 | ASN1_ITEM_TEMPLATE(CMS_Attributes_Verify) = |
346 | ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF | ASN1_TFLG_IMPTAG | ASN1_TFLG_UNIVERSAL, | |
347 | V_ASN1_SET, CMS_ATTRIBUTES, X509_ATTRIBUTE) | |
8931b30d DSH |
348 | ASN1_ITEM_TEMPLATE_END(CMS_Attributes_Verify) |
349 | ||
be86c7fc DSH |
350 | |
351 | ||
352 | ASN1_CHOICE(CMS_ReceiptsFrom) = { | |
9612e157 | 353 | ASN1_IMP_EMBED(CMS_ReceiptsFrom, d.allOrFirstTier, INT32, 0), |
f4cc56f4 | 354 | ASN1_IMP_SEQUENCE_OF(CMS_ReceiptsFrom, d.receiptList, GENERAL_NAMES, 1) |
df2ee0e2 | 355 | } static_ASN1_CHOICE_END(CMS_ReceiptsFrom) |
be86c7fc DSH |
356 | |
357 | ASN1_SEQUENCE(CMS_ReceiptRequest) = { | |
358 | ASN1_SIMPLE(CMS_ReceiptRequest, signedContentIdentifier, ASN1_OCTET_STRING), | |
f4cc56f4 DSH |
359 | ASN1_SIMPLE(CMS_ReceiptRequest, receiptsFrom, CMS_ReceiptsFrom), |
360 | ASN1_SEQUENCE_OF(CMS_ReceiptRequest, receiptsTo, GENERAL_NAMES) | |
be86c7fc DSH |
361 | } ASN1_SEQUENCE_END(CMS_ReceiptRequest) |
362 | ||
eb9d8d8c | 363 | ASN1_SEQUENCE(CMS_Receipt) = { |
9612e157 | 364 | ASN1_EMBED(CMS_Receipt, version, INT32), |
eb9d8d8c DSH |
365 | ASN1_SIMPLE(CMS_Receipt, contentType, ASN1_OBJECT), |
366 | ASN1_SIMPLE(CMS_Receipt, signedContentIdentifier, ASN1_OCTET_STRING), | |
367 | ASN1_SIMPLE(CMS_Receipt, originatorSignatureValue, ASN1_OCTET_STRING) | |
368 | } ASN1_SEQUENCE_END(CMS_Receipt) | |
369 | ||
0f113f3e MC |
370 | /* |
371 | * Utilities to encode the CMS_SharedInfo structure used during key | |
dc1ce3bc DSH |
372 | * derivation. |
373 | */ | |
374 | ||
375 | typedef struct { | |
0f113f3e MC |
376 | X509_ALGOR *keyInfo; |
377 | ASN1_OCTET_STRING *entityUInfo; | |
378 | ASN1_OCTET_STRING *suppPubInfo; | |
dc1ce3bc DSH |
379 | } CMS_SharedInfo; |
380 | ||
381 | ASN1_SEQUENCE(CMS_SharedInfo) = { | |
382 | ASN1_SIMPLE(CMS_SharedInfo, keyInfo, X509_ALGOR), | |
383 | ASN1_EXP_OPT(CMS_SharedInfo, entityUInfo, ASN1_OCTET_STRING, 0), | |
384 | ASN1_EXP_OPT(CMS_SharedInfo, suppPubInfo, ASN1_OCTET_STRING, 2), | |
df2ee0e2 | 385 | } static_ASN1_SEQUENCE_END(CMS_SharedInfo) |
dc1ce3bc | 386 | |
0f113f3e MC |
387 | int CMS_SharedInfo_encode(unsigned char **pder, X509_ALGOR *kekalg, |
388 | ASN1_OCTET_STRING *ukm, int keylen) | |
389 | { | |
390 | union { | |
391 | CMS_SharedInfo *pecsi; | |
392 | ASN1_VALUE *a; | |
393 | } intsi = { | |
394 | NULL | |
395 | }; | |
396 | ||
397 | ASN1_OCTET_STRING oklen; | |
398 | unsigned char kl[4]; | |
399 | CMS_SharedInfo ecsi; | |
400 | ||
401 | keylen <<= 3; | |
402 | kl[0] = (keylen >> 24) & 0xff; | |
403 | kl[1] = (keylen >> 16) & 0xff; | |
404 | kl[2] = (keylen >> 8) & 0xff; | |
405 | kl[3] = keylen & 0xff; | |
406 | oklen.length = 4; | |
407 | oklen.data = kl; | |
408 | oklen.type = V_ASN1_OCTET_STRING; | |
409 | oklen.flags = 0; | |
410 | ecsi.keyInfo = kekalg; | |
411 | ecsi.entityUInfo = ukm; | |
412 | ecsi.suppPubInfo = &oklen; | |
413 | intsi.pecsi = &ecsi; | |
414 | return ASN1_item_i2d(intsi.a, pder, ASN1_ITEM_rptr(CMS_SharedInfo)); | |
415 | } |