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1/* crypto/cms/cms_lcl.h */
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#ifndef HEADER_CMS_LCL_H
55#define HEADER_CMS_LCL_H
56
57#ifdef __cplusplus
58extern "C" {
59#endif
60
61#include <openssl/x509.h>
62
63/* Cryptographic message syntax (CMS) structures: taken
64 * from RFC3852
65 */
66
67/* Forward references */
68
69typedef struct CMS_IssuerAndSerialNumber_st CMS_IssuerAndSerialNumber;
70typedef struct CMS_EncapsulatedContentInfo_st CMS_EncapsulatedContentInfo;
71typedef struct CMS_SignerIdentifier_st CMS_SignerIdentifier;
72typedef struct CMS_SignedData_st CMS_SignedData;
73typedef struct CMS_OtherRevocationInfoFormat_st CMS_OtherRevocationInfoFormat;
74typedef struct CMS_OriginatorInfo_st CMS_OriginatorInfo;
75typedef struct CMS_EncryptedContentInfo_st CMS_EncryptedContentInfo;
76typedef struct CMS_EnvelopedData_st CMS_EnvelopedData;
77typedef struct CMS_DigestedData_st CMS_DigestedData;
78typedef struct CMS_EncryptedData_st CMS_EncryptedData;
79typedef struct CMS_AuthenticatedData_st CMS_AuthenticatedData;
80typedef struct CMS_CompressedData_st CMS_CompressedData;
81typedef struct CMS_OtherCertificateFormat_st CMS_OtherCertificateFormat;
82typedef struct CMS_KeyTransRecipientInfo_st CMS_KeyTransRecipientInfo;
83typedef struct CMS_OriginatorPublicKey_st CMS_OriginatorPublicKey;
84typedef struct CMS_OriginatorIdentifierOrKey_st CMS_OriginatorIdentifierOrKey;
85typedef struct CMS_KeyAgreeRecipientInfo_st CMS_KeyAgreeRecipientInfo;
86typedef struct CMS_OtherKeyAttribute_st CMS_OtherKeyAttribute;
87typedef struct CMS_RecipientKeyIdentifier_st CMS_RecipientKeyIdentifier;
88typedef struct CMS_KeyAgreeRecipientIdentifier_st CMS_KeyAgreeRecipientIdentifier;
89typedef struct CMS_RecipientEncryptedKey_st CMS_RecipientEncryptedKey;
90typedef struct CMS_KEKIdentifier_st CMS_KEKIdentifier;
91typedef struct CMS_KEKRecipientInfo_st CMS_KEKRecipientInfo;
92typedef struct CMS_PasswordRecipientInfo_st CMS_PasswordRecipientInfo;
93typedef struct CMS_OtherRecipientInfo_st CMS_OtherRecipientInfo;
94typedef struct CMS_ReceiptsFrom_st CMS_ReceiptsFrom;
95
96struct CMS_ContentInfo_st
97 {
98 ASN1_OBJECT *contentType;
99 union {
100 ASN1_OCTET_STRING *data;
101 CMS_SignedData *signedData;
102 CMS_EnvelopedData *envelopedData;
103 CMS_DigestedData *digestedData;
104 CMS_EncryptedData *encryptedData;
105 CMS_AuthenticatedData *authenticatedData;
106 CMS_CompressedData *compressedData;
107 ASN1_TYPE *other;
108 /* Other types ... */
109 void *otherData;
110 } d;
111 };
112
113struct CMS_SignedData_st
114 {
115 long version;
116 STACK_OF(X509_ALGOR) *digestAlgorithms;
117 CMS_EncapsulatedContentInfo *encapContentInfo;
118 STACK_OF(CMS_CertificateChoices) *certificates;
119 STACK_OF(CMS_RevocationInfoChoice) *crls;
120 STACK_OF(CMS_SignerInfo) *signerInfos;
121 };
122
123struct CMS_EncapsulatedContentInfo_st
124 {
125 ASN1_OBJECT *eContentType;
126 ASN1_OCTET_STRING *eContent;
127 /* Set to 1 if incomplete structure only part set up */
128 int partial;
129 };
130
131struct CMS_SignerInfo_st
132 {
133 long version;
134 CMS_SignerIdentifier *sid;
135 X509_ALGOR *digestAlgorithm;
136 STACK_OF(X509_ATTRIBUTE) *signedAttrs;
137 X509_ALGOR *signatureAlgorithm;
138 ASN1_OCTET_STRING *signature;
139 STACK_OF(X509_ATTRIBUTE) *unsignedAttrs;
140 /* Signing certificate and key */
141 X509 *signer;
142 EVP_PKEY *pkey;
143 };
144
145struct CMS_SignerIdentifier_st
146 {
147 int type;
148 union {
149 CMS_IssuerAndSerialNumber *issuerAndSerialNumber;
150 ASN1_OCTET_STRING *subjectKeyIdentifier;
151 } d;
152 };
153
154struct CMS_EnvelopedData_st
155 {
156 long version;
157 CMS_OriginatorInfo *originatorInfo;
158 STACK_OF(CMS_RecipientInfo) *recipientInfos;
159 CMS_EncryptedContentInfo *encryptedContentInfo;
160 STACK_OF(X509_ATTRIBUTE) *unprotectedAttrs;
161 };
162
163struct CMS_OriginatorInfo_st
164 {
165 STACK_OF(CMS_CertificateChoices) *certificates;
166 STACK_OF(CMS_RevocationInfoChoice) *crls;
167 };
168
169struct CMS_EncryptedContentInfo_st
170 {
171 ASN1_OBJECT *contentType;
172 X509_ALGOR *contentEncryptionAlgorithm;
173 ASN1_OCTET_STRING *encryptedContent;
174 /* Content encryption algorithm and key */
175 const EVP_CIPHER *cipher;
176 unsigned char *key;
177 size_t keylen;
178 };
179
180struct CMS_RecipientInfo_st
181 {
182 int type;
183 union {
184 CMS_KeyTransRecipientInfo *ktri;
185 CMS_KeyAgreeRecipientInfo *kari;
186 CMS_KEKRecipientInfo *kekri;
187 CMS_PasswordRecipientInfo *pwri;
188 CMS_OtherRecipientInfo *ori;
189 } d;
190 };
191
192typedef CMS_SignerIdentifier CMS_RecipientIdentifier;
193
194struct CMS_KeyTransRecipientInfo_st
195 {
196 long version;
197 CMS_RecipientIdentifier *rid;
198 X509_ALGOR *keyEncryptionAlgorithm;
199 ASN1_OCTET_STRING *encryptedKey;
200 /* Recipient Key and cert */
201 X509 *recip;
202 EVP_PKEY *pkey;
203 };
204
205struct CMS_KeyAgreeRecipientInfo_st
206 {
207 long version;
208 CMS_OriginatorIdentifierOrKey *originator;
209 ASN1_OCTET_STRING *ukm;
210 X509_ALGOR *keyEncryptionAlgorithm;
211 STACK_OF(CMS_RecipientEncryptedKey) *recipientEncryptedKeys;
212 };
213
214struct CMS_OriginatorIdentifierOrKey_st
215 {
216 int type;
217 union {
218 CMS_IssuerAndSerialNumber *issuerAndSerialNumber;
219 ASN1_OCTET_STRING *subjectKeyIdentifier;
220 CMS_OriginatorPublicKey *originatorKey;
221 } d;
222 };
223
224struct CMS_OriginatorPublicKey_st
225 {
226 X509_ALGOR *algorithm;
227 ASN1_BIT_STRING *publicKey;
228 };
229
230struct CMS_RecipientEncryptedKey_st
231 {
232 CMS_KeyAgreeRecipientIdentifier *rid;
233 ASN1_OCTET_STRING *encryptedKey;
234 };
235
236struct CMS_KeyAgreeRecipientIdentifier_st
237 {
238 int type;
239 union {
240 CMS_IssuerAndSerialNumber *issuerAndSerialNumber;
241 CMS_RecipientKeyIdentifier *rKeyId;
242 } d;
243 };
244
245struct CMS_RecipientKeyIdentifier_st
246 {
247 ASN1_OCTET_STRING *subjectKeyIdentifier;
248 ASN1_GENERALIZEDTIME *date;
249 CMS_OtherKeyAttribute *other;
250 };
251
252struct CMS_KEKRecipientInfo_st
253 {
254 long version;
255 CMS_KEKIdentifier *kekid;
256 X509_ALGOR *keyEncryptionAlgorithm;
257 ASN1_OCTET_STRING *encryptedKey;
258 /* Extra info: symmetric key to use */
259 unsigned char *key;
260 size_t keylen;
261 };
262
263struct CMS_KEKIdentifier_st
264 {
265 ASN1_OCTET_STRING *keyIdentifier;
266 ASN1_GENERALIZEDTIME *date;
267 CMS_OtherKeyAttribute *other;
268 };
269
270struct CMS_PasswordRecipientInfo_st
271 {
272 long version;
273 X509_ALGOR *keyDerivationAlgorithm;
274 X509_ALGOR *keyEncryptionAlgorithm;
275 ASN1_OCTET_STRING *encryptedKey;
276 };
277
278struct CMS_OtherRecipientInfo_st
279 {
280 ASN1_OBJECT *oriType;
281 ASN1_TYPE *oriValue;
282 };
283
284struct CMS_DigestedData_st
285 {
286 long version;
287 X509_ALGOR *digestAlgorithm;
288 CMS_EncapsulatedContentInfo *encapContentInfo;
289 ASN1_OCTET_STRING *digest;
290 };
291
292struct CMS_EncryptedData_st
293 {
294 long version;
295 CMS_EncryptedContentInfo *encryptedContentInfo;
296 STACK_OF(X509_ATTRIBUTE) *unprotectedAttrs;
297 };
298
299struct CMS_AuthenticatedData_st
300 {
301 long version;
302 CMS_OriginatorInfo *originatorInfo;
303 STACK_OF(CMS_RecipientInfo) *recipientInfos;
304 X509_ALGOR *macAlgorithm;
305 X509_ALGOR *digestAlgorithm;
306 CMS_EncapsulatedContentInfo *encapContentInfo;
307 STACK_OF(X509_ATTRIBUTE) *authAttrs;
308 ASN1_OCTET_STRING *mac;
309 STACK_OF(X509_ATTRIBUTE) *unauthAttrs;
310 };
311
312struct CMS_CompressedData_st
313 {
314 long version;
315 X509_ALGOR *compressionAlgorithm;
316 STACK_OF(CMS_RecipientInfo) *recipientInfos;
317 CMS_EncapsulatedContentInfo *encapContentInfo;
318 };
319
320struct CMS_RevocationInfoChoice_st
321 {
322 int type;
323 union {
324 X509_CRL *crl;
325 CMS_OtherRevocationInfoFormat *other;
326 } d;
327 };
328
329#define CMS_REVCHOICE_CRL 0
330#define CMS_REVCHOICE_OTHER 1
331
332struct CMS_OtherRevocationInfoFormat_st
333 {
334 ASN1_OBJECT *otherRevInfoFormat;
335 ASN1_TYPE *otherRevInfo;
336 };
337
338struct CMS_CertificateChoices
339 {
340 int type;
341 union {
342 X509 *certificate;
343 ASN1_STRING *extendedCertificate; /* Obsolete */
344 ASN1_STRING *v1AttrCert; /* Left encoded for now */
345 ASN1_STRING *v2AttrCert; /* Left encoded for now */
346 CMS_OtherCertificateFormat *other;
347 } d;
348 };
349
350#define CMS_CERTCHOICE_CERT 0
351#define CMS_CERTCHOICE_EXCERT 1
352#define CMS_CERTCHOICE_V1ACERT 2
353#define CMS_CERTCHOICE_V2ACERT 3
354#define CMS_CERTCHOICE_OTHER 4
355
356struct CMS_OtherCertificateFormat_st
357 {
358 ASN1_OBJECT *otherCertFormat;
359 ASN1_TYPE *otherCert;
360 };
361
362/* This is also defined in pkcs7.h but we duplicate it
363 * to allow the CMS code to be independent of PKCS#7
364 */
365
366struct CMS_IssuerAndSerialNumber_st
367 {
368 X509_NAME *issuer;
369 ASN1_INTEGER *serialNumber;
370 };
371
372struct CMS_OtherKeyAttribute_st
373 {
374 ASN1_OBJECT *keyAttrId;
375 ASN1_TYPE *keyAttr;
376 };
377
378/* ESS structures */
379
380#ifdef HEADER_X509V3_H
381
382struct CMS_ReceiptRequest_st
383 {
384 ASN1_OCTET_STRING *signedContentIdentifier;
385 CMS_ReceiptsFrom *receiptsFrom;
386 STACK_OF(GENERAL_NAMES) *receiptsTo;
387 };
388
389
390struct CMS_ReceiptsFrom_st
391 {
392 int type;
393 union
394 {
395 long allOrFirstTier;
396 STACK_OF(GENERAL_NAMES) *receiptList;
397 } d;
398 };
399#endif
400
401struct CMS_Receipt_st
402 {
403 long version;
404 ASN1_OBJECT *contentType;
405 ASN1_OCTET_STRING *signedContentIdentifier;
406 ASN1_OCTET_STRING *originatorSignatureValue;
407 };
408
409DECLARE_ASN1_FUNCTIONS(CMS_ContentInfo)
410DECLARE_ASN1_ITEM(CMS_SignerInfo)
411DECLARE_ASN1_ITEM(CMS_IssuerAndSerialNumber)
412DECLARE_ASN1_ITEM(CMS_Attributes_Sign)
413DECLARE_ASN1_ITEM(CMS_Attributes_Verify)
414DECLARE_ASN1_ALLOC_FUNCTIONS(CMS_IssuerAndSerialNumber)
415
416#define CMS_SIGNERINFO_ISSUER_SERIAL 0
417#define CMS_SIGNERINFO_KEYIDENTIFIER 1
418
419#define CMS_RECIPINFO_ISSUER_SERIAL 0
420#define CMS_RECIPINFO_KEYIDENTIFIER 1
421
422BIO *cms_content_bio(CMS_ContentInfo *cms);
423
424CMS_ContentInfo *cms_Data_create(void);
425
426CMS_ContentInfo *cms_DigestedData_create(const EVP_MD *md);
427BIO *cms_DigestedData_init_bio(CMS_ContentInfo *cms);
428int cms_DigestedData_do_final(CMS_ContentInfo *cms, BIO *chain, int verify);
429
430BIO *cms_SignedData_init_bio(CMS_ContentInfo *cms);
431int cms_SignedData_final(CMS_ContentInfo *cms, BIO *chain);
432int cms_set1_SignerIdentifier(CMS_SignerIdentifier *sid, X509 *cert, int type);
433int cms_SignerIdentifier_get0_signer_id(CMS_SignerIdentifier *sid,
434 ASN1_OCTET_STRING **keyid,
435 X509_NAME **issuer, ASN1_INTEGER **sno);
436int cms_SignerIdentifier_cert_cmp(CMS_SignerIdentifier *sid, X509 *cert);
437
438CMS_ContentInfo *cms_CompressedData_create(int comp_nid);
439BIO *cms_CompressedData_init_bio(CMS_ContentInfo *cms);
440
441void cms_DigestAlgorithm_set(X509_ALGOR *alg, const EVP_MD *md);
442BIO *cms_DigestAlgorithm_init_bio(X509_ALGOR *digestAlgorithm);
443int cms_DigestAlgorithm_find_ctx(EVP_MD_CTX *mctx, BIO *chain,
444 X509_ALGOR *mdalg);
445
446BIO *cms_EncryptedContent_init_bio(CMS_EncryptedContentInfo *ec);
447BIO *cms_EncryptedData_init_bio(CMS_ContentInfo *cms);
448int cms_EncryptedContent_init(CMS_EncryptedContentInfo *ec,
449 const EVP_CIPHER *cipher,
450 const unsigned char *key, size_t keylen);
451
452int cms_Receipt_verify(CMS_ContentInfo *cms, CMS_ContentInfo *req_cms);
453int cms_msgSigDigest_add1(CMS_SignerInfo *dest, CMS_SignerInfo *src);
454ASN1_OCTET_STRING *cms_encode_Receipt(CMS_SignerInfo *si);
455
456BIO *cms_EnvelopedData_init_bio(CMS_ContentInfo *cms);
457
458#ifdef __cplusplus
459}
460#endif
461#endif
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