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Diffstat (limited to 'src/lib/libcrypto/cms/cms_ess.c')
-rw-r--r--src/lib/libcrypto/cms/cms_ess.c385
1 files changed, 0 insertions, 385 deletions
diff --git a/src/lib/libcrypto/cms/cms_ess.c b/src/lib/libcrypto/cms/cms_ess.c
deleted file mode 100644
index fca62e0627..0000000000
--- a/src/lib/libcrypto/cms/cms_ess.c
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@@ -1,385 +0,0 @@
1/* $OpenBSD: cms_ess.c,v 1.7 2014/10/22 13:02:04 jsing Exp $ */
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 <stdlib.h>
55
56#include <openssl/asn1t.h>
57#include <openssl/cms.h>
58#include <openssl/err.h>
59#include <openssl/pem.h>
60#include <openssl/x509v3.h>
61
62#include "cms_lcl.h"
63
64DECLARE_ASN1_ITEM(CMS_ReceiptRequest)
65DECLARE_ASN1_ITEM(CMS_Receipt)
66
67IMPLEMENT_ASN1_FUNCTIONS(CMS_ReceiptRequest)
68
69/* ESS services: for now just Signed Receipt related */
70
71int
72CMS_get1_ReceiptRequest(CMS_SignerInfo *si, CMS_ReceiptRequest **prr)
73{
74 ASN1_STRING *str;
75 CMS_ReceiptRequest *rr = NULL;
76
77 if (prr)
78 *prr = NULL;
79 str = CMS_signed_get0_data_by_OBJ(si,
80 OBJ_nid2obj(NID_id_smime_aa_receiptRequest),
81 -3, V_ASN1_SEQUENCE);
82 if (!str)
83 return 0;
84
85 rr = ASN1_item_unpack(str, ASN1_ITEM_rptr(CMS_ReceiptRequest));
86 if (!rr)
87 return -1;
88 if (prr)
89 *prr = rr;
90 else
91 CMS_ReceiptRequest_free(rr);
92 return 1;
93}
94
95CMS_ReceiptRequest *
96CMS_ReceiptRequest_create0(unsigned char *id, int idlen, int allorfirst,
97 STACK_OF(GENERAL_NAMES) *receiptList, STACK_OF(GENERAL_NAMES) *receiptsTo)
98{
99 CMS_ReceiptRequest *rr = NULL;
100
101 rr = CMS_ReceiptRequest_new();
102 if (!rr)
103 goto merr;
104 if (id)
105 ASN1_STRING_set0(rr->signedContentIdentifier, id, idlen);
106 else {
107 if (!ASN1_STRING_set(rr->signedContentIdentifier, NULL, 32))
108 goto merr;
109 arc4random_buf(rr->signedContentIdentifier->data, 32);
110 }
111
112 sk_GENERAL_NAMES_pop_free(rr->receiptsTo, GENERAL_NAMES_free);
113 rr->receiptsTo = receiptsTo;
114
115 if (receiptList) {
116 rr->receiptsFrom->type = 1;
117 rr->receiptsFrom->d.receiptList = receiptList;
118 } else {
119 rr->receiptsFrom->type = 0;
120 rr->receiptsFrom->d.allOrFirstTier = allorfirst;
121 }
122
123 return rr;
124
125merr:
126 CMSerr(CMS_F_CMS_RECEIPTREQUEST_CREATE0, ERR_R_MALLOC_FAILURE);
127err:
128 if (rr)
129 CMS_ReceiptRequest_free(rr);
130 return NULL;
131}
132
133int
134CMS_add1_ReceiptRequest(CMS_SignerInfo *si, CMS_ReceiptRequest *rr)
135{
136 unsigned char *rrder = NULL;
137 int rrderlen, r = 0;
138
139 rrderlen = i2d_CMS_ReceiptRequest(rr, &rrder);
140 if (rrderlen < 0)
141 goto merr;
142
143 if (!CMS_signed_add1_attr_by_NID(si, NID_id_smime_aa_receiptRequest,
144 V_ASN1_SEQUENCE, rrder, rrderlen))
145 goto merr;
146
147 r = 1;
148
149merr:
150 if (!r)
151 CMSerr(CMS_F_CMS_ADD1_RECEIPTREQUEST, ERR_R_MALLOC_FAILURE);
152 free(rrder);
153 return r;
154}
155
156void
157CMS_ReceiptRequest_get0_values(CMS_ReceiptRequest *rr, ASN1_STRING **pcid,
158 int *pallorfirst, STACK_OF(GENERAL_NAMES) **plist,
159 STACK_OF(GENERAL_NAMES) **prto)
160{
161 if (pcid)
162 *pcid = rr->signedContentIdentifier;
163 if (rr->receiptsFrom->type == 0) {
164 if (pallorfirst)
165 *pallorfirst = (int)rr->receiptsFrom->d.allOrFirstTier;
166 if (plist)
167 *plist = NULL;
168 } else {
169 if (pallorfirst)
170 *pallorfirst = -1;
171 if (plist)
172 *plist = rr->receiptsFrom->d.receiptList;
173 }
174 if (prto)
175 *prto = rr->receiptsTo;
176}
177
178/* Digest a SignerInfo structure for msgSigDigest attribute processing */
179
180static int
181cms_msgSigDigest(CMS_SignerInfo *si, unsigned char *dig, unsigned int *diglen)
182{
183 const EVP_MD *md;
184
185 md = EVP_get_digestbyobj(si->digestAlgorithm->algorithm);
186 if (md == NULL)
187 return 0;
188 if (!ASN1_item_digest(ASN1_ITEM_rptr(CMS_Attributes_Verify), md,
189 si->signedAttrs, dig, diglen))
190 return 0;
191 return 1;
192}
193
194/* Add a msgSigDigest attribute to a SignerInfo */
195
196int
197cms_msgSigDigest_add1(CMS_SignerInfo *dest, CMS_SignerInfo *src)
198{
199 unsigned char dig[EVP_MAX_MD_SIZE];
200 unsigned int diglen;
201
202 if (!cms_msgSigDigest(src, dig, &diglen)) {
203 CMSerr(CMS_F_CMS_MSGSIGDIGEST_ADD1, CMS_R_MSGSIGDIGEST_ERROR);
204 return 0;
205 }
206 if (!CMS_signed_add1_attr_by_NID(dest, NID_id_smime_aa_msgSigDigest,
207 V_ASN1_OCTET_STRING, dig, diglen)) {
208 CMSerr(CMS_F_CMS_MSGSIGDIGEST_ADD1, ERR_R_MALLOC_FAILURE);
209 return 0;
210 }
211 return 1;
212}
213
214/* Verify signed receipt after it has already passed normal CMS verify */
215
216int
217cms_Receipt_verify(CMS_ContentInfo *cms, CMS_ContentInfo *req_cms)
218{
219 int r = 0, i;
220 CMS_ReceiptRequest *rr = NULL;
221 CMS_Receipt *rct = NULL;
222 STACK_OF(CMS_SignerInfo) *sis, *osis;
223 CMS_SignerInfo *si, *osi = NULL;
224 ASN1_OCTET_STRING *msig, **pcont;
225 ASN1_OBJECT *octype;
226 unsigned char dig[EVP_MAX_MD_SIZE];
227 unsigned int diglen;
228
229 /* Get SignerInfos, also checks SignedData content type */
230 osis = CMS_get0_SignerInfos(req_cms);
231 sis = CMS_get0_SignerInfos(cms);
232 if (!osis || !sis)
233 goto err;
234
235 if (sk_CMS_SignerInfo_num(sis) != 1) {
236 CMSerr(CMS_F_CMS_RECEIPT_VERIFY, CMS_R_NEED_ONE_SIGNER);
237 goto err;
238 }
239
240 /* Check receipt content type */
241 if (OBJ_obj2nid(CMS_get0_eContentType(cms)) != NID_id_smime_ct_receipt) {
242 CMSerr(CMS_F_CMS_RECEIPT_VERIFY, CMS_R_NOT_A_SIGNED_RECEIPT);
243 goto err;
244 }
245
246 /* Extract and decode receipt content */
247 pcont = CMS_get0_content(cms);
248 if (!pcont || !*pcont) {
249 CMSerr(CMS_F_CMS_RECEIPT_VERIFY, CMS_R_NO_CONTENT);
250 goto err;
251 }
252
253 rct = ASN1_item_unpack(*pcont, ASN1_ITEM_rptr(CMS_Receipt));
254
255 if (!rct) {
256 CMSerr(CMS_F_CMS_RECEIPT_VERIFY, CMS_R_RECEIPT_DECODE_ERROR);
257 goto err;
258 }
259
260 /* Locate original request */
261
262 for (i = 0; i < sk_CMS_SignerInfo_num(osis); i++) {
263 osi = sk_CMS_SignerInfo_value(osis, i);
264 if (!ASN1_STRING_cmp(osi->signature,
265 rct->originatorSignatureValue))
266 break;
267 }
268
269 if (i == sk_CMS_SignerInfo_num(osis)) {
270 CMSerr(CMS_F_CMS_RECEIPT_VERIFY, CMS_R_NO_MATCHING_SIGNATURE);
271 goto err;
272 }
273
274 si = sk_CMS_SignerInfo_value(sis, 0);
275
276 /* Get msgSigDigest value and compare */
277
278 msig = CMS_signed_get0_data_by_OBJ(si,
279 OBJ_nid2obj(NID_id_smime_aa_msgSigDigest), -3, V_ASN1_OCTET_STRING);
280
281 if (!msig) {
282 CMSerr(CMS_F_CMS_RECEIPT_VERIFY, CMS_R_NO_MSGSIGDIGEST);
283 goto err;
284 }
285
286 if (!cms_msgSigDigest(osi, dig, &diglen)) {
287 CMSerr(CMS_F_CMS_RECEIPT_VERIFY, CMS_R_MSGSIGDIGEST_ERROR);
288 goto err;
289 }
290
291 if (diglen != (unsigned int)msig->length) {
292 CMSerr(CMS_F_CMS_RECEIPT_VERIFY,
293 CMS_R_MSGSIGDIGEST_WRONG_LENGTH);
294 goto err;
295 }
296
297 if (memcmp(dig, msig->data, diglen)) {
298 CMSerr(CMS_F_CMS_RECEIPT_VERIFY,
299 CMS_R_MSGSIGDIGEST_VERIFICATION_FAILURE);
300 goto err;
301 }
302
303 /* Compare content types */
304
305 octype = CMS_signed_get0_data_by_OBJ(osi,
306 OBJ_nid2obj(NID_pkcs9_contentType), -3, V_ASN1_OBJECT);
307 if (!octype) {
308 CMSerr(CMS_F_CMS_RECEIPT_VERIFY, CMS_R_NO_CONTENT_TYPE);
309 goto err;
310 }
311
312 /* Compare details in receipt request */
313
314 if (OBJ_cmp(octype, rct->contentType)) {
315 CMSerr(CMS_F_CMS_RECEIPT_VERIFY, CMS_R_CONTENT_TYPE_MISMATCH);
316 goto err;
317 }
318
319 /* Get original receipt request details */
320
321 if (CMS_get1_ReceiptRequest(osi, &rr) <= 0) {
322 CMSerr(CMS_F_CMS_RECEIPT_VERIFY, CMS_R_NO_RECEIPT_REQUEST);
323 goto err;
324 }
325
326 if (ASN1_STRING_cmp(rr->signedContentIdentifier,
327 rct->signedContentIdentifier)) {
328 CMSerr(CMS_F_CMS_RECEIPT_VERIFY,
329 CMS_R_CONTENTIDENTIFIER_MISMATCH);
330 goto err;
331 }
332
333 r = 1;
334
335err:
336 if (rr)
337 CMS_ReceiptRequest_free(rr);
338 if (rct)
339 M_ASN1_free_of(rct, CMS_Receipt);
340
341 return r;
342}
343
344/* Encode a Receipt into an OCTET STRING read for including into content of
345 * a SignedData ContentInfo.
346 */
347
348ASN1_OCTET_STRING *
349cms_encode_Receipt(CMS_SignerInfo *si)
350{
351 CMS_Receipt rct;
352 CMS_ReceiptRequest *rr = NULL;
353 ASN1_OBJECT *ctype;
354 ASN1_OCTET_STRING *os = NULL;
355
356 /* Get original receipt request */
357
358 /* Get original receipt request details */
359
360 if (CMS_get1_ReceiptRequest(si, &rr) <= 0) {
361 CMSerr(CMS_F_CMS_ENCODE_RECEIPT, CMS_R_NO_RECEIPT_REQUEST);
362 goto err;
363 }
364
365 /* Get original content type */
366
367 ctype = CMS_signed_get0_data_by_OBJ(si,
368 OBJ_nid2obj(NID_pkcs9_contentType), -3, V_ASN1_OBJECT);
369 if (!ctype) {
370 CMSerr(CMS_F_CMS_ENCODE_RECEIPT, CMS_R_NO_CONTENT_TYPE);
371 goto err;
372 }
373
374 rct.version = 1;
375 rct.contentType = ctype;
376 rct.signedContentIdentifier = rr->signedContentIdentifier;
377 rct.originatorSignatureValue = si->signature;
378
379 os = ASN1_item_pack(&rct, ASN1_ITEM_rptr(CMS_Receipt), NULL);
380
381err:
382 if (rr)
383 CMS_ReceiptRequest_free(rr);
384 return os;
385}
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