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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 /* Set to 1 if we are debugging decrypt and don't fake keys for MMA */
179 int debug;
180 };
181
182struct CMS_RecipientInfo_st
183 {
184 int type;
185 union {
186 CMS_KeyTransRecipientInfo *ktri;
187 CMS_KeyAgreeRecipientInfo *kari;
188 CMS_KEKRecipientInfo *kekri;
189 CMS_PasswordRecipientInfo *pwri;
190 CMS_OtherRecipientInfo *ori;
191 } d;
192 };
193
194typedef CMS_SignerIdentifier CMS_RecipientIdentifier;
195
196struct CMS_KeyTransRecipientInfo_st
197 {
198 long version;
199 CMS_RecipientIdentifier *rid;
200 X509_ALGOR *keyEncryptionAlgorithm;
201 ASN1_OCTET_STRING *encryptedKey;
202 /* Recipient Key and cert */
203 X509 *recip;
204 EVP_PKEY *pkey;
205 };
206
207struct CMS_KeyAgreeRecipientInfo_st
208 {
209 long version;
210 CMS_OriginatorIdentifierOrKey *originator;
211 ASN1_OCTET_STRING *ukm;
212 X509_ALGOR *keyEncryptionAlgorithm;
213 STACK_OF(CMS_RecipientEncryptedKey) *recipientEncryptedKeys;
214 };
215
216struct CMS_OriginatorIdentifierOrKey_st
217 {
218 int type;
219 union {
220 CMS_IssuerAndSerialNumber *issuerAndSerialNumber;
221 ASN1_OCTET_STRING *subjectKeyIdentifier;
222 CMS_OriginatorPublicKey *originatorKey;
223 } d;
224 };
225
226struct CMS_OriginatorPublicKey_st
227 {
228 X509_ALGOR *algorithm;
229 ASN1_BIT_STRING *publicKey;
230 };
231
232struct CMS_RecipientEncryptedKey_st
233 {
234 CMS_KeyAgreeRecipientIdentifier *rid;
235 ASN1_OCTET_STRING *encryptedKey;
236 };
237
238struct CMS_KeyAgreeRecipientIdentifier_st
239 {
240 int type;
241 union {
242 CMS_IssuerAndSerialNumber *issuerAndSerialNumber;
243 CMS_RecipientKeyIdentifier *rKeyId;
244 } d;
245 };
246
247struct CMS_RecipientKeyIdentifier_st
248 {
249 ASN1_OCTET_STRING *subjectKeyIdentifier;
250 ASN1_GENERALIZEDTIME *date;
251 CMS_OtherKeyAttribute *other;
252 };
253
254struct CMS_KEKRecipientInfo_st
255 {
256 long version;
257 CMS_KEKIdentifier *kekid;
258 X509_ALGOR *keyEncryptionAlgorithm;
259 ASN1_OCTET_STRING *encryptedKey;
260 /* Extra info: symmetric key to use */
261 unsigned char *key;
262 size_t keylen;
263 };
264
265struct CMS_KEKIdentifier_st
266 {
267 ASN1_OCTET_STRING *keyIdentifier;
268 ASN1_GENERALIZEDTIME *date;
269 CMS_OtherKeyAttribute *other;
270 };
271
272struct CMS_PasswordRecipientInfo_st
273 {
274 long version;
275 X509_ALGOR *keyDerivationAlgorithm;
276 X509_ALGOR *keyEncryptionAlgorithm;
277 ASN1_OCTET_STRING *encryptedKey;
278 /* Extra info: password to use */
279 unsigned char *pass;
280 size_t passlen;
281 };
282
283struct CMS_OtherRecipientInfo_st
284 {
285 ASN1_OBJECT *oriType;
286 ASN1_TYPE *oriValue;
287 };
288
289struct CMS_DigestedData_st
290 {
291 long version;
292 X509_ALGOR *digestAlgorithm;
293 CMS_EncapsulatedContentInfo *encapContentInfo;
294 ASN1_OCTET_STRING *digest;
295 };
296
297struct CMS_EncryptedData_st
298 {
299 long version;
300 CMS_EncryptedContentInfo *encryptedContentInfo;
301 STACK_OF(X509_ATTRIBUTE) *unprotectedAttrs;
302 };
303
304struct CMS_AuthenticatedData_st
305 {
306 long version;
307 CMS_OriginatorInfo *originatorInfo;
308 STACK_OF(CMS_RecipientInfo) *recipientInfos;
309 X509_ALGOR *macAlgorithm;
310 X509_ALGOR *digestAlgorithm;
311 CMS_EncapsulatedContentInfo *encapContentInfo;
312 STACK_OF(X509_ATTRIBUTE) *authAttrs;
313 ASN1_OCTET_STRING *mac;
314 STACK_OF(X509_ATTRIBUTE) *unauthAttrs;
315 };
316
317struct CMS_CompressedData_st
318 {
319 long version;
320 X509_ALGOR *compressionAlgorithm;
321 STACK_OF(CMS_RecipientInfo) *recipientInfos;
322 CMS_EncapsulatedContentInfo *encapContentInfo;
323 };
324
325struct CMS_RevocationInfoChoice_st
326 {
327 int type;
328 union {
329 X509_CRL *crl;
330 CMS_OtherRevocationInfoFormat *other;
331 } d;
332 };
333
334#define CMS_REVCHOICE_CRL 0
335#define CMS_REVCHOICE_OTHER 1
336
337struct CMS_OtherRevocationInfoFormat_st
338 {
339 ASN1_OBJECT *otherRevInfoFormat;
340 ASN1_TYPE *otherRevInfo;
341 };
342
343struct CMS_CertificateChoices
344 {
345 int type;
346 union {
347 X509 *certificate;
348 ASN1_STRING *extendedCertificate; /* Obsolete */
349 ASN1_STRING *v1AttrCert; /* Left encoded for now */
350 ASN1_STRING *v2AttrCert; /* Left encoded for now */
351 CMS_OtherCertificateFormat *other;
352 } d;
353 };
354
355#define CMS_CERTCHOICE_CERT 0
356#define CMS_CERTCHOICE_EXCERT 1
357#define CMS_CERTCHOICE_V1ACERT 2
358#define CMS_CERTCHOICE_V2ACERT 3
359#define CMS_CERTCHOICE_OTHER 4
360
361struct CMS_OtherCertificateFormat_st
362 {
363 ASN1_OBJECT *otherCertFormat;
364 ASN1_TYPE *otherCert;
365 };
366
367/* This is also defined in pkcs7.h but we duplicate it
368 * to allow the CMS code to be independent of PKCS#7
369 */
370
371struct CMS_IssuerAndSerialNumber_st
372 {
373 X509_NAME *issuer;
374 ASN1_INTEGER *serialNumber;
375 };
376
377struct CMS_OtherKeyAttribute_st
378 {
379 ASN1_OBJECT *keyAttrId;
380 ASN1_TYPE *keyAttr;
381 };
382
383/* ESS structures */
384
385#ifdef HEADER_X509V3_H
386
387struct CMS_ReceiptRequest_st
388 {
389 ASN1_OCTET_STRING *signedContentIdentifier;
390 CMS_ReceiptsFrom *receiptsFrom;
391 STACK_OF(GENERAL_NAMES) *receiptsTo;
392 };
393
394
395struct CMS_ReceiptsFrom_st
396 {
397 int type;
398 union
399 {
400 long allOrFirstTier;
401 STACK_OF(GENERAL_NAMES) *receiptList;
402 } d;
403 };
404#endif
405
406struct CMS_Receipt_st
407 {
408 long version;
409 ASN1_OBJECT *contentType;
410 ASN1_OCTET_STRING *signedContentIdentifier;
411 ASN1_OCTET_STRING *originatorSignatureValue;
412 };
413
414DECLARE_ASN1_FUNCTIONS(CMS_ContentInfo)
415DECLARE_ASN1_ITEM(CMS_SignerInfo)
416DECLARE_ASN1_ITEM(CMS_IssuerAndSerialNumber)
417DECLARE_ASN1_ITEM(CMS_Attributes_Sign)
418DECLARE_ASN1_ITEM(CMS_Attributes_Verify)
419DECLARE_ASN1_ITEM(CMS_RecipientInfo)
420DECLARE_ASN1_ITEM(CMS_PasswordRecipientInfo)
421DECLARE_ASN1_ALLOC_FUNCTIONS(CMS_IssuerAndSerialNumber)
422
423#define CMS_SIGNERINFO_ISSUER_SERIAL 0
424#define CMS_SIGNERINFO_KEYIDENTIFIER 1
425
426#define CMS_RECIPINFO_ISSUER_SERIAL 0
427#define CMS_RECIPINFO_KEYIDENTIFIER 1
428
429BIO *cms_content_bio(CMS_ContentInfo *cms);
430
431CMS_ContentInfo *cms_Data_create(void);
432
433CMS_ContentInfo *cms_DigestedData_create(const EVP_MD *md);
434BIO *cms_DigestedData_init_bio(CMS_ContentInfo *cms);
435int cms_DigestedData_do_final(CMS_ContentInfo *cms, BIO *chain, int verify);
436
437BIO *cms_SignedData_init_bio(CMS_ContentInfo *cms);
438int cms_SignedData_final(CMS_ContentInfo *cms, BIO *chain);
439int cms_set1_SignerIdentifier(CMS_SignerIdentifier *sid, X509 *cert, int type);
440int cms_SignerIdentifier_get0_signer_id(CMS_SignerIdentifier *sid,
441 ASN1_OCTET_STRING **keyid,
442 X509_NAME **issuer, ASN1_INTEGER **sno);
443int cms_SignerIdentifier_cert_cmp(CMS_SignerIdentifier *sid, X509 *cert);
444
445CMS_ContentInfo *cms_CompressedData_create(int comp_nid);
446BIO *cms_CompressedData_init_bio(CMS_ContentInfo *cms);
447
448void cms_DigestAlgorithm_set(X509_ALGOR *alg, const EVP_MD *md);
449BIO *cms_DigestAlgorithm_init_bio(X509_ALGOR *digestAlgorithm);
450int cms_DigestAlgorithm_find_ctx(EVP_MD_CTX *mctx, BIO *chain,
451 X509_ALGOR *mdalg);
452
453BIO *cms_EncryptedContent_init_bio(CMS_EncryptedContentInfo *ec);
454BIO *cms_EncryptedData_init_bio(CMS_ContentInfo *cms);
455int cms_EncryptedContent_init(CMS_EncryptedContentInfo *ec,
456 const EVP_CIPHER *cipher,
457 const unsigned char *key, size_t keylen);
458
459int cms_Receipt_verify(CMS_ContentInfo *cms, CMS_ContentInfo *req_cms);
460int cms_msgSigDigest_add1(CMS_SignerInfo *dest, CMS_SignerInfo *src);
461ASN1_OCTET_STRING *cms_encode_Receipt(CMS_SignerInfo *si);
462
463BIO *cms_EnvelopedData_init_bio(CMS_ContentInfo *cms);
464CMS_EnvelopedData *cms_get0_enveloped(CMS_ContentInfo *cms);
465
466/* PWRI routines */
467int cms_RecipientInfo_pwri_crypt(CMS_ContentInfo *cms, CMS_RecipientInfo *ri,
468 int en_de);
469
470#ifdef __cplusplus
471}
472#endif
473#endif
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