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Commit | Line | Data |
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0f113f3e | 1 | /* |
da1c088f | 2 | * Copyright 2008-2023 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 | ||
b39fc560 | 10 | #include "internal/cryptlib.h" |
8931b30d DSH |
11 | #include <openssl/asn1t.h> |
12 | #include <openssl/pem.h> | |
17c2764d | 13 | #include <openssl/x509.h> |
8931b30d DSH |
14 | #include <openssl/x509v3.h> |
15 | #include <openssl/err.h> | |
16 | #include <openssl/cms.h> | |
8c00f267 | 17 | #include <openssl/ess.h> |
ad57a13b | 18 | #include "internal/sizes.h" |
25f2138b DMSP |
19 | #include "crypto/asn1.h" |
20 | #include "crypto/evp.h" | |
25f2138b | 21 | #include "crypto/ess.h" |
c1be4d61 | 22 | #include "crypto/x509.h" /* for ossl_x509_add_cert_new() */ |
ad57a13b | 23 | #include "cms_local.h" |
8931b30d DSH |
24 | |
25 | /* CMS SignedData Utilities */ | |
26 | ||
8931b30d | 27 | static CMS_SignedData *cms_get0_signed(CMS_ContentInfo *cms) |
0f113f3e MC |
28 | { |
29 | if (OBJ_obj2nid(cms->contentType) != NID_pkcs7_signed) { | |
9311d0c4 | 30 | ERR_raise(ERR_LIB_CMS, CMS_R_CONTENT_TYPE_NOT_SIGNED_DATA); |
0f113f3e MC |
31 | return NULL; |
32 | } | |
33 | return cms->d.signedData; | |
34 | } | |
8931b30d DSH |
35 | |
36 | static CMS_SignedData *cms_signed_data_init(CMS_ContentInfo *cms) | |
0f113f3e MC |
37 | { |
38 | if (cms->d.other == NULL) { | |
39 | cms->d.signedData = M_ASN1_new_of(CMS_SignedData); | |
40 | if (!cms->d.signedData) { | |
e077455e | 41 | ERR_raise(ERR_LIB_CMS, ERR_R_ASN1_LIB); |
0f113f3e MC |
42 | return NULL; |
43 | } | |
44 | cms->d.signedData->version = 1; | |
45 | cms->d.signedData->encapContentInfo->eContentType = | |
46 | OBJ_nid2obj(NID_pkcs7_data); | |
47 | cms->d.signedData->encapContentInfo->partial = 1; | |
48 | ASN1_OBJECT_free(cms->contentType); | |
49 | cms->contentType = OBJ_nid2obj(NID_pkcs7_signed); | |
50 | return cms->d.signedData; | |
51 | } | |
52 | return cms_get0_signed(cms); | |
53 | } | |
8931b30d | 54 | |
0d4fb843 | 55 | /* Just initialise SignedData e.g. for certs only structure */ |
8931b30d | 56 | int CMS_SignedData_init(CMS_ContentInfo *cms) |
0f113f3e MC |
57 | { |
58 | if (cms_signed_data_init(cms)) | |
59 | return 1; | |
60 | else | |
61 | return 0; | |
62 | } | |
8931b30d DSH |
63 | |
64 | /* Check structures and fixup version numbers (if necessary) */ | |
8931b30d | 65 | static void cms_sd_set_version(CMS_SignedData *sd) |
0f113f3e MC |
66 | { |
67 | int i; | |
68 | CMS_CertificateChoices *cch; | |
69 | CMS_RevocationInfoChoice *rch; | |
70 | CMS_SignerInfo *si; | |
71 | ||
72 | for (i = 0; i < sk_CMS_CertificateChoices_num(sd->certificates); i++) { | |
73 | cch = sk_CMS_CertificateChoices_value(sd->certificates, i); | |
74 | if (cch->type == CMS_CERTCHOICE_OTHER) { | |
75 | if (sd->version < 5) | |
76 | sd->version = 5; | |
77 | } else if (cch->type == CMS_CERTCHOICE_V2ACERT) { | |
78 | if (sd->version < 4) | |
79 | sd->version = 4; | |
80 | } else if (cch->type == CMS_CERTCHOICE_V1ACERT) { | |
81 | if (sd->version < 3) | |
82 | sd->version = 3; | |
83 | } | |
84 | } | |
85 | ||
86 | for (i = 0; i < sk_CMS_RevocationInfoChoice_num(sd->crls); i++) { | |
87 | rch = sk_CMS_RevocationInfoChoice_value(sd->crls, i); | |
88 | if (rch->type == CMS_REVCHOICE_OTHER) { | |
89 | if (sd->version < 5) | |
90 | sd->version = 5; | |
91 | } | |
92 | } | |
93 | ||
94 | if ((OBJ_obj2nid(sd->encapContentInfo->eContentType) != NID_pkcs7_data) | |
95 | && (sd->version < 3)) | |
96 | sd->version = 3; | |
97 | ||
98 | for (i = 0; i < sk_CMS_SignerInfo_num(sd->signerInfos); i++) { | |
99 | si = sk_CMS_SignerInfo_value(sd->signerInfos, i); | |
100 | if (si->sid->type == CMS_SIGNERINFO_KEYIDENTIFIER) { | |
101 | if (si->version < 3) | |
102 | si->version = 3; | |
103 | if (sd->version < 3) | |
104 | sd->version = 3; | |
8fc120bd | 105 | } else if (si->version < 1) { |
0f113f3e | 106 | si->version = 1; |
8fc120bd | 107 | } |
0f113f3e MC |
108 | } |
109 | ||
110 | if (sd->version < 1) | |
111 | sd->version = 1; | |
112 | ||
113 | } | |
114 | ||
19e512a8 SL |
115 | /* |
116 | * RFC 5652 Section 11.1 Content Type | |
117 | * The content-type attribute within signed-data MUST | |
118 | * 1) be present if there are signed attributes | |
119 | * 2) match the content type in the signed-data, | |
120 | * 3) be a signed attribute. | |
121 | * 4) not have more than one copy of the attribute. | |
122 | * | |
123 | * Note that since the CMS_SignerInfo_sign() always adds the "signing time" | |
124 | * attribute, the content type attribute MUST be added also. | |
125 | * Assumptions: This assumes that the attribute does not already exist. | |
126 | */ | |
127 | static int cms_set_si_contentType_attr(CMS_ContentInfo *cms, CMS_SignerInfo *si) | |
128 | { | |
129 | ASN1_OBJECT *ctype = cms->d.signedData->encapContentInfo->eContentType; | |
130 | ||
131 | /* Add the contentType attribute */ | |
132 | return CMS_signed_add1_attr_by_NID(si, NID_pkcs9_contentType, | |
133 | V_ASN1_OBJECT, ctype, -1) > 0; | |
134 | } | |
135 | ||
8931b30d | 136 | /* Copy an existing messageDigest value */ |
8931b30d | 137 | static int cms_copy_messageDigest(CMS_ContentInfo *cms, CMS_SignerInfo *si) |
0f113f3e MC |
138 | { |
139 | STACK_OF(CMS_SignerInfo) *sinfos; | |
140 | CMS_SignerInfo *sitmp; | |
141 | int i; | |
c1669f41 | 142 | |
0f113f3e MC |
143 | sinfos = CMS_get0_SignerInfos(cms); |
144 | for (i = 0; i < sk_CMS_SignerInfo_num(sinfos); i++) { | |
145 | ASN1_OCTET_STRING *messageDigest; | |
c1669f41 | 146 | |
0f113f3e MC |
147 | sitmp = sk_CMS_SignerInfo_value(sinfos, i); |
148 | if (sitmp == si) | |
149 | continue; | |
150 | if (CMS_signed_get_attr_count(sitmp) < 0) | |
151 | continue; | |
152 | if (OBJ_cmp(si->digestAlgorithm->algorithm, | |
153 | sitmp->digestAlgorithm->algorithm)) | |
154 | continue; | |
155 | messageDigest = CMS_signed_get0_data_by_OBJ(sitmp, | |
156 | OBJ_nid2obj | |
157 | (NID_pkcs9_messageDigest), | |
158 | -3, V_ASN1_OCTET_STRING); | |
159 | if (!messageDigest) { | |
9311d0c4 | 160 | ERR_raise(ERR_LIB_CMS, CMS_R_ERROR_READING_MESSAGEDIGEST_ATTRIBUTE); |
0f113f3e MC |
161 | return 0; |
162 | } | |
163 | ||
164 | if (CMS_signed_add1_attr_by_NID(si, NID_pkcs9_messageDigest, | |
165 | V_ASN1_OCTET_STRING, | |
166 | messageDigest, -1)) | |
167 | return 1; | |
168 | else | |
169 | return 0; | |
170 | } | |
9311d0c4 | 171 | ERR_raise(ERR_LIB_CMS, CMS_R_NO_MATCHING_DIGEST); |
0f113f3e MC |
172 | return 0; |
173 | } | |
8931b30d | 174 | |
53155f1c SL |
175 | int ossl_cms_set1_SignerIdentifier(CMS_SignerIdentifier *sid, X509 *cert, |
176 | int type, const CMS_CTX *ctx) | |
0f113f3e MC |
177 | { |
178 | switch (type) { | |
179 | case CMS_SIGNERINFO_ISSUER_SERIAL: | |
53155f1c | 180 | if (!ossl_cms_set1_ias(&sid->d.issuerAndSerialNumber, cert)) |
0f113f3e MC |
181 | return 0; |
182 | break; | |
8931b30d | 183 | |
0f113f3e | 184 | case CMS_SIGNERINFO_KEYIDENTIFIER: |
53155f1c | 185 | if (!ossl_cms_set1_keyid(&sid->d.subjectKeyIdentifier, cert)) |
0f113f3e MC |
186 | return 0; |
187 | break; | |
8931b30d | 188 | |
0f113f3e | 189 | default: |
9311d0c4 | 190 | ERR_raise(ERR_LIB_CMS, CMS_R_UNKNOWN_ID); |
0f113f3e MC |
191 | return 0; |
192 | } | |
8931b30d | 193 | |
0f113f3e | 194 | sid->type = type; |
8931b30d | 195 | |
0f113f3e MC |
196 | return 1; |
197 | } | |
8931b30d | 198 | |
53155f1c SL |
199 | int ossl_cms_SignerIdentifier_get0_signer_id(CMS_SignerIdentifier *sid, |
200 | ASN1_OCTET_STRING **keyid, | |
201 | X509_NAME **issuer, | |
202 | ASN1_INTEGER **sno) | |
0f113f3e MC |
203 | { |
204 | if (sid->type == CMS_SIGNERINFO_ISSUER_SERIAL) { | |
205 | if (issuer) | |
206 | *issuer = sid->d.issuerAndSerialNumber->issuer; | |
207 | if (sno) | |
208 | *sno = sid->d.issuerAndSerialNumber->serialNumber; | |
209 | } else if (sid->type == CMS_SIGNERINFO_KEYIDENTIFIER) { | |
210 | if (keyid) | |
211 | *keyid = sid->d.subjectKeyIdentifier; | |
8fc120bd | 212 | } else { |
0f113f3e | 213 | return 0; |
8fc120bd | 214 | } |
0f113f3e MC |
215 | return 1; |
216 | } | |
8931b30d | 217 | |
53155f1c | 218 | int ossl_cms_SignerIdentifier_cert_cmp(CMS_SignerIdentifier *sid, X509 *cert) |
0f113f3e MC |
219 | { |
220 | if (sid->type == CMS_SIGNERINFO_ISSUER_SERIAL) | |
53155f1c | 221 | return ossl_cms_ias_cert_cmp(sid->d.issuerAndSerialNumber, cert); |
0f113f3e | 222 | else if (sid->type == CMS_SIGNERINFO_KEYIDENTIFIER) |
53155f1c | 223 | return ossl_cms_keyid_cert_cmp(sid->d.subjectKeyIdentifier, cert); |
0f113f3e MC |
224 | else |
225 | return -1; | |
226 | } | |
8931b30d | 227 | |
d15d5618 | 228 | /* Method to map any, incl. provider-implemented PKEY types to OIDs */ |
8fc120bd | 229 | /* (EC)DSA and all provider-delivered signatures implementation is the same */ |
d15d5618 MB |
230 | static int cms_generic_sign(CMS_SignerInfo *si, int verify) |
231 | { | |
232 | if (!ossl_assert(verify == 0 || verify == 1)) | |
233 | return -1; | |
234 | ||
235 | if (!verify) { | |
d15d5618 | 236 | EVP_PKEY *pkey = si->pkey; |
8fc120bd DDO |
237 | int snid, hnid, pknid = EVP_PKEY_get_id(pkey); |
238 | X509_ALGOR *alg1, *alg2; | |
d15d5618 MB |
239 | |
240 | CMS_SignerInfo_get0_algs(si, NULL, NULL, &alg1, &alg2); | |
241 | if (alg1 == NULL || alg1->algorithm == NULL) | |
242 | return -1; | |
243 | hnid = OBJ_obj2nid(alg1->algorithm); | |
244 | if (hnid == NID_undef) | |
245 | return -1; | |
246 | if (pknid <= 0) { /* check whether a provider registered a NID */ | |
247 | const char *typename = EVP_PKEY_get0_type_name(pkey); | |
8fc120bd | 248 | |
d15d5618 MB |
249 | if (typename != NULL) |
250 | pknid = OBJ_txt2nid(typename); | |
251 | } | |
252 | if (!OBJ_find_sigid_by_algs(&snid, hnid, pknid)) | |
253 | return -1; | |
254 | return X509_ALGOR_set0(alg2, OBJ_nid2obj(snid), V_ASN1_UNDEF, NULL); | |
255 | } | |
256 | return 1; | |
257 | } | |
258 | ||
e365352d | 259 | static int cms_sd_asn1_ctrl(CMS_SignerInfo *si, int cmd) |
0f113f3e MC |
260 | { |
261 | EVP_PKEY *pkey = si->pkey; | |
262 | int i; | |
c1669f41 | 263 | |
9ab7fe48 | 264 | if (EVP_PKEY_is_a(pkey, "DSA") || EVP_PKEY_is_a(pkey, "EC")) |
00a413e2 | 265 | return cms_generic_sign(si, cmd) > 0; |
c2403f36 | 266 | else if (EVP_PKEY_is_a(pkey, "RSA") || EVP_PKEY_is_a(pkey, "RSA-PSS")) |
00a413e2 | 267 | return ossl_cms_rsa_sign(si, cmd) > 0; |
9ab7fe48 | 268 | |
d15d5618 | 269 | /* Now give engines, providers, etc a chance to handle this */ |
12a765a5 | 270 | if (pkey->ameth == NULL || pkey->ameth->pkey_ctrl == NULL) |
00a413e2 | 271 | return cms_generic_sign(si, cmd) > 0; |
0f113f3e MC |
272 | i = pkey->ameth->pkey_ctrl(pkey, ASN1_PKEY_CTRL_CMS_SIGN, cmd, si); |
273 | if (i == -2) { | |
9311d0c4 | 274 | ERR_raise(ERR_LIB_CMS, CMS_R_NOT_SUPPORTED_FOR_THIS_KEY_TYPE); |
0f113f3e MC |
275 | return 0; |
276 | } | |
277 | if (i <= 0) { | |
9311d0c4 | 278 | ERR_raise(ERR_LIB_CMS, CMS_R_CTRL_FAILURE); |
0f113f3e MC |
279 | return 0; |
280 | } | |
281 | return 1; | |
282 | } | |
e365352d | 283 | |
4189dc37 DDO |
284 | /* Add SigningCertificate signed attribute to the signer info. */ |
285 | static int ossl_cms_add1_signing_cert(CMS_SignerInfo *si, | |
286 | const ESS_SIGNING_CERT *sc) | |
287 | { | |
288 | ASN1_STRING *seq = NULL; | |
289 | unsigned char *p, *pp = NULL; | |
290 | int ret, len = i2d_ESS_SIGNING_CERT(sc, NULL); | |
291 | ||
292 | if (len <= 0 || (pp = OPENSSL_malloc(len)) == NULL) | |
293 | return 0; | |
294 | ||
295 | p = pp; | |
296 | i2d_ESS_SIGNING_CERT(sc, &p); | |
297 | if (!(seq = ASN1_STRING_new()) || !ASN1_STRING_set(seq, pp, len)) { | |
298 | ASN1_STRING_free(seq); | |
299 | OPENSSL_free(pp); | |
300 | return 0; | |
301 | } | |
302 | OPENSSL_free(pp); | |
303 | ret = CMS_signed_add1_attr_by_NID(si, NID_id_smime_aa_signingCertificate, | |
304 | V_ASN1_SEQUENCE, seq, -1); | |
305 | ASN1_STRING_free(seq); | |
306 | return ret; | |
307 | } | |
308 | ||
309 | /* Add SigningCertificateV2 signed attribute to the signer info. */ | |
310 | static int ossl_cms_add1_signing_cert_v2(CMS_SignerInfo *si, | |
311 | const ESS_SIGNING_CERT_V2 *sc) | |
312 | { | |
313 | ASN1_STRING *seq = NULL; | |
314 | unsigned char *p, *pp = NULL; | |
315 | int ret, len = i2d_ESS_SIGNING_CERT_V2(sc, NULL); | |
316 | ||
317 | if (len <= 0 || (pp = OPENSSL_malloc(len)) == NULL) | |
318 | return 0; | |
319 | ||
320 | p = pp; | |
321 | i2d_ESS_SIGNING_CERT_V2(sc, &p); | |
322 | if (!(seq = ASN1_STRING_new()) || !ASN1_STRING_set(seq, pp, len)) { | |
323 | ASN1_STRING_free(seq); | |
324 | OPENSSL_free(pp); | |
325 | return 0; | |
326 | } | |
327 | OPENSSL_free(pp); | |
328 | ret = CMS_signed_add1_attr_by_NID(si, NID_id_smime_aa_signingCertificateV2, | |
329 | V_ASN1_SEQUENCE, seq, -1); | |
330 | ASN1_STRING_free(seq); | |
331 | return ret; | |
332 | } | |
333 | ||
8931b30d | 334 | CMS_SignerInfo *CMS_add1_signer(CMS_ContentInfo *cms, |
0f113f3e MC |
335 | X509 *signer, EVP_PKEY *pk, const EVP_MD *md, |
336 | unsigned int flags) | |
337 | { | |
338 | CMS_SignedData *sd; | |
339 | CMS_SignerInfo *si = NULL; | |
340 | X509_ALGOR *alg; | |
341 | int i, type; | |
53155f1c | 342 | const CMS_CTX *ctx = ossl_cms_get0_cmsctx(cms); |
c1669f41 | 343 | |
0f113f3e | 344 | if (!X509_check_private_key(signer, pk)) { |
9311d0c4 | 345 | ERR_raise(ERR_LIB_CMS, CMS_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE); |
0f113f3e MC |
346 | return NULL; |
347 | } | |
348 | sd = cms_signed_data_init(cms); | |
349 | if (!sd) | |
350 | goto err; | |
351 | si = M_ASN1_new_of(CMS_SignerInfo); | |
e077455e RL |
352 | if (!si) { |
353 | ERR_raise(ERR_LIB_CMS, ERR_R_ASN1_LIB); | |
354 | goto err; | |
355 | } | |
109f8b5d | 356 | /* Call for side-effect of computing hash and caching extensions */ |
0f113f3e MC |
357 | X509_check_purpose(signer, -1, -1); |
358 | ||
05f0fb9f | 359 | X509_up_ref(signer); |
03273d61 | 360 | EVP_PKEY_up_ref(pk); |
0f113f3e | 361 | |
c1669f41 | 362 | si->cms_ctx = ctx; |
0f113f3e MC |
363 | si->pkey = pk; |
364 | si->signer = signer; | |
bfb0641f | 365 | si->mctx = EVP_MD_CTX_new(); |
0f113f3e MC |
366 | si->pctx = NULL; |
367 | ||
6e59a892 | 368 | if (si->mctx == NULL) { |
e077455e | 369 | ERR_raise(ERR_LIB_CMS, ERR_R_EVP_LIB); |
6e59a892 RL |
370 | goto err; |
371 | } | |
372 | ||
0f113f3e MC |
373 | if (flags & CMS_USE_KEYID) { |
374 | si->version = 3; | |
375 | if (sd->version < 3) | |
376 | sd->version = 3; | |
377 | type = CMS_SIGNERINFO_KEYIDENTIFIER; | |
378 | } else { | |
379 | type = CMS_SIGNERINFO_ISSUER_SERIAL; | |
380 | si->version = 1; | |
381 | } | |
382 | ||
53155f1c | 383 | if (!ossl_cms_set1_SignerIdentifier(si->sid, signer, type, ctx)) |
0f113f3e MC |
384 | goto err; |
385 | ||
386 | if (md == NULL) { | |
387 | int def_nid; | |
04bc3c12 | 388 | |
72a99ef6 DDO |
389 | if (EVP_PKEY_get_default_digest_nid(pk, &def_nid) <= 0) { |
390 | ERR_raise_data(ERR_LIB_CMS, CMS_R_NO_DEFAULT_DIGEST, | |
391 | "pkey nid=%d", EVP_PKEY_get_id(pk)); | |
0f113f3e | 392 | goto err; |
72a99ef6 | 393 | } |
0f113f3e MC |
394 | md = EVP_get_digestbynid(def_nid); |
395 | if (md == NULL) { | |
72a99ef6 DDO |
396 | ERR_raise_data(ERR_LIB_CMS, CMS_R_NO_DEFAULT_DIGEST, |
397 | "default md nid=%d", def_nid); | |
0f113f3e MC |
398 | goto err; |
399 | } | |
400 | } | |
401 | ||
0f113f3e MC |
402 | X509_ALGOR_set_md(si->digestAlgorithm, md); |
403 | ||
404 | /* See if digest is present in digestAlgorithms */ | |
405 | for (i = 0; i < sk_X509_ALGOR_num(sd->digestAlgorithms); i++) { | |
ac4e2577 | 406 | const ASN1_OBJECT *aoid; |
ad57a13b RL |
407 | char name[OSSL_MAX_NAME_SIZE]; |
408 | ||
0f113f3e MC |
409 | alg = sk_X509_ALGOR_value(sd->digestAlgorithms, i); |
410 | X509_ALGOR_get0(&aoid, NULL, NULL, alg); | |
ad57a13b RL |
411 | OBJ_obj2txt(name, sizeof(name), aoid, 0); |
412 | if (EVP_MD_is_a(md, name)) | |
0f113f3e MC |
413 | break; |
414 | } | |
415 | ||
416 | if (i == sk_X509_ALGOR_num(sd->digestAlgorithms)) { | |
e077455e RL |
417 | if ((alg = X509_ALGOR_new()) == NULL) { |
418 | ERR_raise(ERR_LIB_CMS, ERR_R_ASN1_LIB); | |
419 | goto err; | |
420 | } | |
0f113f3e MC |
421 | X509_ALGOR_set_md(alg, md); |
422 | if (!sk_X509_ALGOR_push(sd->digestAlgorithms, alg)) { | |
423 | X509_ALGOR_free(alg); | |
e077455e RL |
424 | ERR_raise(ERR_LIB_CMS, ERR_R_CRYPTO_LIB); |
425 | goto err; | |
0f113f3e MC |
426 | } |
427 | } | |
428 | ||
72a99ef6 DDO |
429 | if (!(flags & CMS_KEY_PARAM) && !cms_sd_asn1_ctrl(si, 0)) { |
430 | ERR_raise_data(ERR_LIB_CMS, CMS_R_UNSUPPORTED_SIGNATURE_ALGORITHM, | |
431 | "pkey nid=%d", EVP_PKEY_get_id(pk)); | |
0f113f3e | 432 | goto err; |
72a99ef6 | 433 | } |
0f113f3e MC |
434 | if (!(flags & CMS_NOATTR)) { |
435 | /* | |
0d4fb843 | 436 | * Initialize signed attributes structure so other attributes |
0f113f3e MC |
437 | * such as signing time etc are added later even if we add none here. |
438 | */ | |
439 | if (!si->signedAttrs) { | |
440 | si->signedAttrs = sk_X509_ATTRIBUTE_new_null(); | |
e077455e RL |
441 | if (!si->signedAttrs) { |
442 | ERR_raise(ERR_LIB_CMS, ERR_R_CRYPTO_LIB); | |
443 | goto err; | |
444 | } | |
0f113f3e MC |
445 | } |
446 | ||
447 | if (!(flags & CMS_NOSMIMECAP)) { | |
448 | STACK_OF(X509_ALGOR) *smcap = NULL; | |
8fc120bd | 449 | |
0f113f3e MC |
450 | i = CMS_add_standard_smimecap(&smcap); |
451 | if (i) | |
452 | i = CMS_add_smimecap(si, smcap); | |
453 | sk_X509_ALGOR_pop_free(smcap, X509_ALGOR_free); | |
e077455e RL |
454 | if (!i) { |
455 | ERR_raise(ERR_LIB_CMS, ERR_R_CMS_LIB); | |
456 | goto err; | |
457 | } | |
0f113f3e | 458 | } |
e85d19c6 AI |
459 | if (flags & CMS_CADES) { |
460 | ESS_SIGNING_CERT *sc = NULL; | |
461 | ESS_SIGNING_CERT_V2 *sc2 = NULL; | |
462 | int add_sc; | |
463 | ||
e72dbd8e | 464 | if (md == NULL || EVP_MD_is_a(md, SN_sha1)) { |
1751768c | 465 | if ((sc = OSSL_ESS_signing_cert_new_init(signer, |
53155f1c | 466 | NULL, 1)) == NULL) |
e85d19c6 | 467 | goto err; |
53155f1c | 468 | add_sc = ossl_cms_add1_signing_cert(si, sc); |
e85d19c6 AI |
469 | ESS_SIGNING_CERT_free(sc); |
470 | } else { | |
1751768c | 471 | if ((sc2 = OSSL_ESS_signing_cert_v2_new_init(md, signer, |
53155f1c | 472 | NULL, 1)) == NULL) |
e85d19c6 | 473 | goto err; |
53155f1c | 474 | add_sc = ossl_cms_add1_signing_cert_v2(si, sc2); |
e85d19c6 AI |
475 | ESS_SIGNING_CERT_V2_free(sc2); |
476 | } | |
477 | if (!add_sc) | |
478 | goto err; | |
479 | } | |
8c89c80a F |
480 | if (flags & CMS_REUSE_DIGEST) { |
481 | if (!cms_copy_messageDigest(cms, si)) | |
482 | goto err; | |
19e512a8 SL |
483 | if (!cms_set_si_contentType_attr(cms, si)) |
484 | goto err; | |
8c89c80a F |
485 | if (!(flags & (CMS_PARTIAL | CMS_KEY_PARAM)) && |
486 | !CMS_SignerInfo_sign(si)) | |
487 | goto err; | |
488 | } | |
0f113f3e MC |
489 | } |
490 | ||
491 | if (!(flags & CMS_NOCERTS)) { | |
492 | /* NB ignore -1 return for duplicate cert */ | |
e077455e RL |
493 | if (!CMS_add1_cert(cms, signer)) { |
494 | ERR_raise(ERR_LIB_CMS, ERR_R_CMS_LIB); | |
495 | goto err; | |
496 | } | |
0f113f3e MC |
497 | } |
498 | ||
499 | if (flags & CMS_KEY_PARAM) { | |
500 | if (flags & CMS_NOATTR) { | |
53155f1c | 501 | si->pctx = EVP_PKEY_CTX_new_from_pkey(ossl_cms_ctx_get0_libctx(ctx), |
84af8027 | 502 | si->pkey, |
53155f1c | 503 | ossl_cms_ctx_get0_propq(ctx)); |
90945fa3 | 504 | if (si->pctx == NULL) |
0f113f3e MC |
505 | goto err; |
506 | if (EVP_PKEY_sign_init(si->pctx) <= 0) | |
507 | goto err; | |
508 | if (EVP_PKEY_CTX_set_signature_md(si->pctx, md) <= 0) | |
509 | goto err; | |
ed576acd TM |
510 | } else if (EVP_DigestSignInit_ex(si->mctx, &si->pctx, |
511 | EVP_MD_get0_name(md), | |
53155f1c SL |
512 | ossl_cms_ctx_get0_libctx(ctx), |
513 | ossl_cms_ctx_get0_propq(ctx), | |
1666eec8 | 514 | pk, NULL) <= 0) { |
6d2a01cd | 515 | si->pctx = NULL; |
0f113f3e | 516 | goto err; |
c1669f41 | 517 | } |
6d2a01cd BE |
518 | else { |
519 | EVP_MD_CTX_set_flags(si->mctx, EVP_MD_CTX_FLAG_KEEP_PKEY_CTX); | |
520 | } | |
0f113f3e MC |
521 | } |
522 | ||
e077455e | 523 | if (sd->signerInfos == NULL) |
0f113f3e | 524 | sd->signerInfos = sk_CMS_SignerInfo_new_null(); |
e077455e RL |
525 | if (sd->signerInfos == NULL || !sk_CMS_SignerInfo_push(sd->signerInfos, si)) { |
526 | ERR_raise(ERR_LIB_CMS, ERR_R_CRYPTO_LIB); | |
527 | goto err; | |
528 | } | |
0f113f3e MC |
529 | |
530 | return si; | |
531 | ||
0f113f3e | 532 | err: |
2ace7450 | 533 | M_ASN1_free_of(si, CMS_SignerInfo); |
0f113f3e MC |
534 | return NULL; |
535 | ||
536 | } | |
8931b30d | 537 | |
53155f1c | 538 | void ossl_cms_SignerInfos_set_cmsctx(CMS_ContentInfo *cms) |
c1669f41 SL |
539 | { |
540 | int i; | |
541 | CMS_SignerInfo *si; | |
8a734d3a | 542 | STACK_OF(CMS_SignerInfo) *sinfos; |
53155f1c | 543 | const CMS_CTX *ctx = ossl_cms_get0_cmsctx(cms); |
c1669f41 | 544 | |
8a734d3a DDO |
545 | ERR_set_mark(); |
546 | sinfos = CMS_get0_SignerInfos(cms); | |
547 | ERR_pop_to_mark(); /* removes error in case sinfos == NULL */ | |
548 | ||
c1669f41 SL |
549 | for (i = 0; i < sk_CMS_SignerInfo_num(sinfos); i++) { |
550 | si = sk_CMS_SignerInfo_value(sinfos, i); | |
551 | if (si != NULL) | |
552 | si->cms_ctx = ctx; | |
553 | } | |
554 | } | |
555 | ||
1e26a8ba | 556 | static int cms_add1_signingTime(CMS_SignerInfo *si, ASN1_TIME *t) |
0f113f3e MC |
557 | { |
558 | ASN1_TIME *tt; | |
559 | int r = 0; | |
c1669f41 SL |
560 | |
561 | if (t != NULL) | |
0f113f3e MC |
562 | tt = t; |
563 | else | |
564 | tt = X509_gmtime_adj(NULL, 0); | |
8931b30d | 565 | |
e077455e RL |
566 | if (tt == NULL) { |
567 | ERR_raise(ERR_LIB_CMS, ERR_R_X509_LIB); | |
568 | goto err; | |
569 | } | |
8931b30d | 570 | |
0f113f3e | 571 | if (CMS_signed_add1_attr_by_NID(si, NID_pkcs9_signingTime, |
e077455e RL |
572 | tt->type, tt, -1) <= 0) { |
573 | ERR_raise(ERR_LIB_CMS, ERR_R_CMS_LIB); | |
574 | goto err; | |
575 | } | |
8931b30d | 576 | |
0f113f3e | 577 | r = 1; |
e077455e | 578 | err: |
c1669f41 | 579 | if (t == NULL) |
0f113f3e | 580 | ASN1_TIME_free(tt); |
8931b30d | 581 | |
0f113f3e | 582 | return r; |
8931b30d | 583 | |
0f113f3e | 584 | } |
8931b30d | 585 | |
e365352d | 586 | EVP_PKEY_CTX *CMS_SignerInfo_get0_pkey_ctx(CMS_SignerInfo *si) |
0f113f3e MC |
587 | { |
588 | return si->pctx; | |
589 | } | |
e365352d DSH |
590 | |
591 | EVP_MD_CTX *CMS_SignerInfo_get0_md_ctx(CMS_SignerInfo *si) | |
0f113f3e | 592 | { |
6e59a892 | 593 | return si->mctx; |
0f113f3e | 594 | } |
e365352d | 595 | |
8931b30d | 596 | STACK_OF(CMS_SignerInfo) *CMS_get0_SignerInfos(CMS_ContentInfo *cms) |
0f113f3e | 597 | { |
c1669f41 SL |
598 | CMS_SignedData *sd = cms_get0_signed(cms); |
599 | ||
600 | return sd != NULL ? sd->signerInfos : NULL; | |
0f113f3e | 601 | } |
8931b30d DSH |
602 | |
603 | STACK_OF(X509) *CMS_get0_signers(CMS_ContentInfo *cms) | |
0f113f3e MC |
604 | { |
605 | STACK_OF(X509) *signers = NULL; | |
606 | STACK_OF(CMS_SignerInfo) *sinfos; | |
607 | CMS_SignerInfo *si; | |
608 | int i; | |
c1669f41 | 609 | |
0f113f3e MC |
610 | sinfos = CMS_get0_SignerInfos(cms); |
611 | for (i = 0; i < sk_CMS_SignerInfo_num(sinfos); i++) { | |
612 | si = sk_CMS_SignerInfo_value(sinfos, i); | |
c1669f41 | 613 | if (si->signer != NULL) { |
c1be4d61 DDO |
614 | if (!ossl_x509_add_cert_new(&signers, si->signer, |
615 | X509_ADD_FLAG_DEFAULT)) { | |
0f113f3e MC |
616 | sk_X509_free(signers); |
617 | return NULL; | |
618 | } | |
619 | } | |
620 | } | |
621 | return signers; | |
622 | } | |
8931b30d DSH |
623 | |
624 | void CMS_SignerInfo_set1_signer_cert(CMS_SignerInfo *si, X509 *signer) | |
0f113f3e | 625 | { |
c1669f41 | 626 | if (signer != NULL) { |
05f0fb9f | 627 | X509_up_ref(signer); |
c5ba2d99 | 628 | EVP_PKEY_free(si->pkey); |
0f113f3e MC |
629 | si->pkey = X509_get_pubkey(signer); |
630 | } | |
222561fe | 631 | X509_free(si->signer); |
0f113f3e MC |
632 | si->signer = signer; |
633 | } | |
8931b30d DSH |
634 | |
635 | int CMS_SignerInfo_get0_signer_id(CMS_SignerInfo *si, | |
0f113f3e MC |
636 | ASN1_OCTET_STRING **keyid, |
637 | X509_NAME **issuer, ASN1_INTEGER **sno) | |
638 | { | |
53155f1c | 639 | return ossl_cms_SignerIdentifier_get0_signer_id(si->sid, keyid, issuer, sno); |
0f113f3e | 640 | } |
8931b30d DSH |
641 | |
642 | int CMS_SignerInfo_cert_cmp(CMS_SignerInfo *si, X509 *cert) | |
0f113f3e | 643 | { |
53155f1c | 644 | return ossl_cms_SignerIdentifier_cert_cmp(si->sid, cert); |
0f113f3e | 645 | } |
8931b30d DSH |
646 | |
647 | int CMS_set1_signers_certs(CMS_ContentInfo *cms, STACK_OF(X509) *scerts, | |
0f113f3e MC |
648 | unsigned int flags) |
649 | { | |
650 | CMS_SignedData *sd; | |
651 | CMS_SignerInfo *si; | |
652 | CMS_CertificateChoices *cch; | |
653 | STACK_OF(CMS_CertificateChoices) *certs; | |
654 | X509 *x; | |
655 | int i, j; | |
656 | int ret = 0; | |
c1669f41 | 657 | |
0f113f3e | 658 | sd = cms_get0_signed(cms); |
c1669f41 | 659 | if (sd == NULL) |
0f113f3e MC |
660 | return -1; |
661 | certs = sd->certificates; | |
662 | for (i = 0; i < sk_CMS_SignerInfo_num(sd->signerInfos); i++) { | |
663 | si = sk_CMS_SignerInfo_value(sd->signerInfos, i); | |
c1669f41 | 664 | if (si->signer != NULL) |
0f113f3e MC |
665 | continue; |
666 | ||
667 | for (j = 0; j < sk_X509_num(scerts); j++) { | |
668 | x = sk_X509_value(scerts, j); | |
669 | if (CMS_SignerInfo_cert_cmp(si, x) == 0) { | |
670 | CMS_SignerInfo_set1_signer_cert(si, x); | |
671 | ret++; | |
672 | break; | |
673 | } | |
674 | } | |
675 | ||
c1669f41 | 676 | if (si->signer != NULL || (flags & CMS_NOINTERN)) |
0f113f3e MC |
677 | continue; |
678 | ||
679 | for (j = 0; j < sk_CMS_CertificateChoices_num(certs); j++) { | |
680 | cch = sk_CMS_CertificateChoices_value(certs, j); | |
f69ec4b4 | 681 | if (cch->type != CMS_CERTCHOICE_CERT) |
0f113f3e MC |
682 | continue; |
683 | x = cch->d.certificate; | |
684 | if (CMS_SignerInfo_cert_cmp(si, x) == 0) { | |
685 | CMS_SignerInfo_set1_signer_cert(si, x); | |
686 | ret++; | |
687 | break; | |
688 | } | |
689 | } | |
690 | } | |
691 | return ret; | |
692 | } | |
693 | ||
694 | void CMS_SignerInfo_get0_algs(CMS_SignerInfo *si, EVP_PKEY **pk, | |
695 | X509 **signer, X509_ALGOR **pdig, | |
696 | X509_ALGOR **psig) | |
697 | { | |
c1669f41 | 698 | if (pk != NULL) |
0f113f3e | 699 | *pk = si->pkey; |
c1669f41 | 700 | if (signer != NULL) |
0f113f3e | 701 | *signer = si->signer; |
c1669f41 | 702 | if (pdig != NULL) |
0f113f3e | 703 | *pdig = si->digestAlgorithm; |
c1669f41 | 704 | if (psig != NULL) |
0f113f3e MC |
705 | *psig = si->signatureAlgorithm; |
706 | } | |
8931b30d | 707 | |
da15c616 | 708 | ASN1_OCTET_STRING *CMS_SignerInfo_get0_signature(CMS_SignerInfo *si) |
0f113f3e MC |
709 | { |
710 | return si->signature; | |
711 | } | |
da15c616 | 712 | |
ff80280b | 713 | static int cms_SignerInfo_content_sign(CMS_ContentInfo *cms, |
07342bad VS |
714 | CMS_SignerInfo *si, BIO *chain, |
715 | const unsigned char *md, | |
716 | unsigned int mdlen) | |
0f113f3e | 717 | { |
bfb0641f | 718 | EVP_MD_CTX *mctx = EVP_MD_CTX_new(); |
0f113f3e MC |
719 | int r = 0; |
720 | EVP_PKEY_CTX *pctx = NULL; | |
53155f1c | 721 | const CMS_CTX *ctx = ossl_cms_get0_cmsctx(cms); |
6e59a892 RL |
722 | |
723 | if (mctx == NULL) { | |
e077455e | 724 | ERR_raise(ERR_LIB_CMS, ERR_R_CMS_LIB); |
6e59a892 RL |
725 | return 0; |
726 | } | |
0f113f3e | 727 | |
c1669f41 | 728 | if (si->pkey == NULL) { |
9311d0c4 | 729 | ERR_raise(ERR_LIB_CMS, CMS_R_NO_PRIVATE_KEY); |
22803581 | 730 | goto err; |
0f113f3e MC |
731 | } |
732 | ||
53155f1c | 733 | if (!ossl_cms_DigestAlgorithm_find_ctx(mctx, chain, si->digestAlgorithm)) |
0f113f3e | 734 | goto err; |
0d4fb843 | 735 | /* Set SignerInfo algorithm details if we used custom parameter */ |
0f113f3e MC |
736 | if (si->pctx && !cms_sd_asn1_ctrl(si, 0)) |
737 | goto err; | |
738 | ||
739 | /* | |
740 | * If any signed attributes calculate and add messageDigest attribute | |
741 | */ | |
0f113f3e | 742 | if (CMS_signed_get_attr_count(si) >= 0) { |
07342bad | 743 | unsigned char computed_md[EVP_MAX_MD_SIZE]; |
c1669f41 | 744 | |
07342bad VS |
745 | if (md == NULL) { |
746 | if (!EVP_DigestFinal_ex(mctx, computed_md, &mdlen)) | |
747 | goto err; | |
748 | md = computed_md; | |
749 | } | |
0f113f3e MC |
750 | if (!CMS_signed_add1_attr_by_NID(si, NID_pkcs9_messageDigest, |
751 | V_ASN1_OCTET_STRING, md, mdlen)) | |
752 | goto err; | |
753 | /* Copy content type across */ | |
19e512a8 | 754 | if (!cms_set_si_contentType_attr(cms, si)) |
0f113f3e | 755 | goto err; |
19e512a8 | 756 | |
0f113f3e MC |
757 | if (!CMS_SignerInfo_sign(si)) |
758 | goto err; | |
759 | } else if (si->pctx) { | |
760 | unsigned char *sig; | |
761 | size_t siglen; | |
07342bad | 762 | unsigned char computed_md[EVP_MAX_MD_SIZE]; |
c1669f41 | 763 | |
0f113f3e | 764 | pctx = si->pctx; |
6d2a01cd | 765 | si->pctx = NULL; |
07342bad VS |
766 | if (md == NULL) { |
767 | if (!EVP_DigestFinal_ex(mctx, computed_md, &mdlen)) | |
768 | goto err; | |
769 | md = computed_md; | |
770 | } | |
ed576acd | 771 | siglen = EVP_PKEY_get_size(si->pkey); |
d7ad09da | 772 | if (siglen == 0 || (sig = OPENSSL_malloc(siglen)) == NULL) |
0f113f3e | 773 | goto err; |
0f113f3e MC |
774 | if (EVP_PKEY_sign(pctx, sig, &siglen, md, mdlen) <= 0) { |
775 | OPENSSL_free(sig); | |
776 | goto err; | |
777 | } | |
778 | ASN1_STRING_set0(si->signature, sig, siglen); | |
779 | } else { | |
780 | unsigned char *sig; | |
781 | unsigned int siglen; | |
c1669f41 | 782 | |
07342bad VS |
783 | if (md != NULL) { |
784 | ERR_raise(ERR_LIB_CMS, CMS_R_OPERATION_UNSUPPORTED); | |
785 | goto err; | |
786 | } | |
d7ad09da DDO |
787 | siglen = EVP_PKEY_get_size(si->pkey); |
788 | if (siglen == 0 || (sig = OPENSSL_malloc(siglen)) == NULL) | |
0f113f3e | 789 | goto err; |
84af8027 | 790 | if (!EVP_SignFinal_ex(mctx, sig, &siglen, si->pkey, |
53155f1c SL |
791 | ossl_cms_ctx_get0_libctx(ctx), |
792 | ossl_cms_ctx_get0_propq(ctx))) { | |
9311d0c4 | 793 | ERR_raise(ERR_LIB_CMS, CMS_R_SIGNFINAL_ERROR); |
0f113f3e MC |
794 | OPENSSL_free(sig); |
795 | goto err; | |
796 | } | |
797 | ASN1_STRING_set0(si->signature, sig, siglen); | |
798 | } | |
799 | ||
800 | r = 1; | |
801 | ||
802 | err: | |
bfb0641f | 803 | EVP_MD_CTX_free(mctx); |
c5ba2d99 | 804 | EVP_PKEY_CTX_free(pctx); |
0f113f3e MC |
805 | return r; |
806 | ||
807 | } | |
8931b30d | 808 | |
07342bad VS |
809 | int ossl_cms_SignedData_final(CMS_ContentInfo *cms, BIO *chain, |
810 | const unsigned char *precomp_md, | |
811 | unsigned int precomp_mdlen) | |
0f113f3e MC |
812 | { |
813 | STACK_OF(CMS_SignerInfo) *sinfos; | |
814 | CMS_SignerInfo *si; | |
815 | int i; | |
c1669f41 | 816 | |
0f113f3e MC |
817 | sinfos = CMS_get0_SignerInfos(cms); |
818 | for (i = 0; i < sk_CMS_SignerInfo_num(sinfos); i++) { | |
819 | si = sk_CMS_SignerInfo_value(sinfos, i); | |
8fc120bd DDO |
820 | if (!cms_SignerInfo_content_sign(cms, si, chain, |
821 | precomp_md, precomp_mdlen)) | |
0f113f3e MC |
822 | return 0; |
823 | } | |
824 | cms->d.signedData->encapContentInfo->partial = 0; | |
825 | return 1; | |
826 | } | |
8931b30d DSH |
827 | |
828 | int CMS_SignerInfo_sign(CMS_SignerInfo *si) | |
0f113f3e | 829 | { |
6e59a892 | 830 | EVP_MD_CTX *mctx = si->mctx; |
e6803117 | 831 | EVP_PKEY_CTX *pctx = NULL; |
0f113f3e MC |
832 | unsigned char *abuf = NULL; |
833 | int alen; | |
834 | size_t siglen; | |
c1669f41 | 835 | const CMS_CTX *ctx = si->cms_ctx; |
ad57a13b | 836 | char md_name[OSSL_MAX_NAME_SIZE]; |
0f113f3e | 837 | |
2349d7ba | 838 | if (OBJ_obj2txt(md_name, sizeof(md_name), |
8fc120bd | 839 | si->digestAlgorithm->algorithm, 0) <= 0) |
0f113f3e MC |
840 | return 0; |
841 | ||
842 | if (CMS_signed_get_attr_by_NID(si, NID_pkcs9_signingTime, -1) < 0) { | |
843 | if (!cms_add1_signingTime(si, NULL)) | |
844 | goto err; | |
845 | } | |
846 | ||
3022b7f4 | 847 | if (!ossl_cms_si_check_attributes(si)) |
19e512a8 SL |
848 | goto err; |
849 | ||
8fc120bd | 850 | if (si->pctx) { |
0f113f3e | 851 | pctx = si->pctx; |
8fc120bd | 852 | } else { |
bfb0641f | 853 | EVP_MD_CTX_reset(mctx); |
53155f1c SL |
854 | if (EVP_DigestSignInit_ex(mctx, &pctx, md_name, |
855 | ossl_cms_ctx_get0_libctx(ctx), | |
1666eec8 P |
856 | ossl_cms_ctx_get0_propq(ctx), si->pkey, |
857 | NULL) <= 0) | |
0f113f3e | 858 | goto err; |
6d2a01cd | 859 | EVP_MD_CTX_set_flags(mctx, EVP_MD_CTX_FLAG_KEEP_PKEY_CTX); |
f7a21d85 | 860 | si->pctx = pctx; |
0f113f3e MC |
861 | } |
862 | ||
0f113f3e MC |
863 | alen = ASN1_item_i2d((ASN1_VALUE *)si->signedAttrs, &abuf, |
864 | ASN1_ITEM_rptr(CMS_Attributes_Sign)); | |
865 | if (!abuf) | |
866 | goto err; | |
867 | if (EVP_DigestSignUpdate(mctx, abuf, alen) <= 0) | |
868 | goto err; | |
869 | if (EVP_DigestSignFinal(mctx, NULL, &siglen) <= 0) | |
870 | goto err; | |
871 | OPENSSL_free(abuf); | |
872 | abuf = OPENSSL_malloc(siglen); | |
90945fa3 | 873 | if (abuf == NULL) |
0f113f3e MC |
874 | goto err; |
875 | if (EVP_DigestSignFinal(mctx, abuf, &siglen) <= 0) | |
876 | goto err; | |
877 | ||
bfb0641f | 878 | EVP_MD_CTX_reset(mctx); |
0f113f3e MC |
879 | |
880 | ASN1_STRING_set0(si->signature, abuf, siglen); | |
881 | ||
882 | return 1; | |
883 | ||
884 | err: | |
b548a1f1 | 885 | OPENSSL_free(abuf); |
bfb0641f | 886 | EVP_MD_CTX_reset(mctx); |
0f113f3e | 887 | return 0; |
0f113f3e | 888 | } |
8931b30d DSH |
889 | |
890 | int CMS_SignerInfo_verify(CMS_SignerInfo *si) | |
0f113f3e | 891 | { |
6e59a892 | 892 | EVP_MD_CTX *mctx = NULL; |
0f113f3e MC |
893 | unsigned char *abuf = NULL; |
894 | int alen, r = -1; | |
ad57a13b | 895 | char name[OSSL_MAX_NAME_SIZE]; |
1acb2e6f SL |
896 | const EVP_MD *md; |
897 | EVP_MD *fetched_md = NULL; | |
c1669f41 | 898 | const CMS_CTX *ctx = si->cms_ctx; |
53155f1c SL |
899 | OSSL_LIB_CTX *libctx = ossl_cms_ctx_get0_libctx(ctx); |
900 | const char *propq = ossl_cms_ctx_get0_propq(ctx); | |
0f113f3e | 901 | |
c1669f41 | 902 | if (si->pkey == NULL) { |
9311d0c4 | 903 | ERR_raise(ERR_LIB_CMS, CMS_R_NO_PUBLIC_KEY); |
0f113f3e MC |
904 | return -1; |
905 | } | |
906 | ||
3022b7f4 | 907 | if (!ossl_cms_si_check_attributes(si)) |
19e512a8 SL |
908 | return -1; |
909 | ||
ad57a13b | 910 | OBJ_obj2txt(name, sizeof(name), si->digestAlgorithm->algorithm, 0); |
1acb2e6f SL |
911 | |
912 | (void)ERR_set_mark(); | |
84af8027 | 913 | fetched_md = EVP_MD_fetch(libctx, name, propq); |
1acb2e6f SL |
914 | |
915 | if (fetched_md != NULL) | |
916 | md = fetched_md; | |
917 | else | |
918 | md = EVP_get_digestbyobj(si->digestAlgorithm->algorithm); | |
919 | if (md == NULL) { | |
920 | (void)ERR_clear_last_mark(); | |
9311d0c4 | 921 | ERR_raise(ERR_LIB_CMS, CMS_R_UNKNOWN_DIGEST_ALGORITHM); |
0f113f3e | 922 | return -1; |
1acb2e6f SL |
923 | } |
924 | (void)ERR_pop_to_mark(); | |
925 | ||
378db52b | 926 | if (si->mctx == NULL && (si->mctx = EVP_MD_CTX_new()) == NULL) { |
e077455e | 927 | ERR_raise(ERR_LIB_CMS, ERR_R_EVP_LIB); |
c1669f41 | 928 | goto err; |
378db52b | 929 | } |
6e59a892 | 930 | mctx = si->mctx; |
6d2a01cd BE |
931 | if (si->pctx != NULL) { |
932 | EVP_PKEY_CTX_free(si->pctx); | |
933 | si->pctx = NULL; | |
934 | } | |
ed576acd | 935 | if (EVP_DigestVerifyInit_ex(mctx, &si->pctx, EVP_MD_get0_name(md), libctx, |
6d2a01cd BE |
936 | propq, si->pkey, NULL) <= 0) { |
937 | si->pctx = NULL; | |
0f113f3e | 938 | goto err; |
6d2a01cd BE |
939 | } |
940 | EVP_MD_CTX_set_flags(mctx, EVP_MD_CTX_FLAG_KEEP_PKEY_CTX); | |
0f113f3e MC |
941 | |
942 | if (!cms_sd_asn1_ctrl(si, 1)) | |
943 | goto err; | |
944 | ||
945 | alen = ASN1_item_i2d((ASN1_VALUE *)si->signedAttrs, &abuf, | |
946 | ASN1_ITEM_rptr(CMS_Attributes_Verify)); | |
81777339 | 947 | if (abuf == NULL || alen < 0) |
0f113f3e MC |
948 | goto err; |
949 | r = EVP_DigestVerifyUpdate(mctx, abuf, alen); | |
950 | OPENSSL_free(abuf); | |
951 | if (r <= 0) { | |
952 | r = -1; | |
953 | goto err; | |
954 | } | |
955 | r = EVP_DigestVerifyFinal(mctx, | |
956 | si->signature->data, si->signature->length); | |
957 | if (r <= 0) | |
9311d0c4 | 958 | ERR_raise(ERR_LIB_CMS, CMS_R_VERIFICATION_FAILURE); |
0f113f3e | 959 | err: |
1acb2e6f | 960 | EVP_MD_free(fetched_md); |
bfb0641f | 961 | EVP_MD_CTX_reset(mctx); |
0f113f3e MC |
962 | return r; |
963 | } | |
8931b30d DSH |
964 | |
965 | /* Create a chain of digest BIOs from a CMS ContentInfo */ | |
53155f1c | 966 | BIO *ossl_cms_SignedData_init_bio(CMS_ContentInfo *cms) |
0f113f3e MC |
967 | { |
968 | int i; | |
969 | CMS_SignedData *sd; | |
970 | BIO *chain = NULL; | |
c1669f41 | 971 | |
0f113f3e | 972 | sd = cms_get0_signed(cms); |
c1669f41 | 973 | if (sd == NULL) |
0f113f3e MC |
974 | return NULL; |
975 | if (cms->d.signedData->encapContentInfo->partial) | |
976 | cms_sd_set_version(sd); | |
977 | for (i = 0; i < sk_X509_ALGOR_num(sd->digestAlgorithms); i++) { | |
978 | X509_ALGOR *digestAlgorithm; | |
979 | BIO *mdbio; | |
c1669f41 | 980 | |
0f113f3e | 981 | digestAlgorithm = sk_X509_ALGOR_value(sd->digestAlgorithms, i); |
53155f1c SL |
982 | mdbio = ossl_cms_DigestAlgorithm_init_bio(digestAlgorithm, |
983 | ossl_cms_get0_cmsctx(cms)); | |
c1669f41 | 984 | if (mdbio == NULL) |
0f113f3e | 985 | goto err; |
c1669f41 | 986 | if (chain != NULL) |
0f113f3e MC |
987 | BIO_push(chain, mdbio); |
988 | else | |
989 | chain = mdbio; | |
990 | } | |
991 | return chain; | |
992 | err: | |
ca3a82c3 | 993 | BIO_free_all(chain); |
0f113f3e MC |
994 | return NULL; |
995 | } | |
8931b30d DSH |
996 | |
997 | int CMS_SignerInfo_verify_content(CMS_SignerInfo *si, BIO *chain) | |
0f113f3e MC |
998 | { |
999 | ASN1_OCTET_STRING *os = NULL; | |
bfb0641f | 1000 | EVP_MD_CTX *mctx = EVP_MD_CTX_new(); |
0f113f3e MC |
1001 | EVP_PKEY_CTX *pkctx = NULL; |
1002 | int r = -1; | |
1003 | unsigned char mval[EVP_MAX_MD_SIZE]; | |
1004 | unsigned int mlen; | |
6e59a892 RL |
1005 | |
1006 | if (mctx == NULL) { | |
e077455e | 1007 | ERR_raise(ERR_LIB_CMS, ERR_R_EVP_LIB); |
6e59a892 RL |
1008 | goto err; |
1009 | } | |
0f113f3e MC |
1010 | /* If we have any signed attributes look for messageDigest value */ |
1011 | if (CMS_signed_get_attr_count(si) >= 0) { | |
1012 | os = CMS_signed_get0_data_by_OBJ(si, | |
1013 | OBJ_nid2obj(NID_pkcs9_messageDigest), | |
1014 | -3, V_ASN1_OCTET_STRING); | |
c1669f41 | 1015 | if (os == NULL) { |
9311d0c4 | 1016 | ERR_raise(ERR_LIB_CMS, CMS_R_ERROR_READING_MESSAGEDIGEST_ATTRIBUTE); |
0f113f3e MC |
1017 | goto err; |
1018 | } | |
1019 | } | |
1020 | ||
53155f1c | 1021 | if (!ossl_cms_DigestAlgorithm_find_ctx(mctx, chain, si->digestAlgorithm)) |
0f113f3e MC |
1022 | goto err; |
1023 | ||
6e59a892 | 1024 | if (EVP_DigestFinal_ex(mctx, mval, &mlen) <= 0) { |
9311d0c4 | 1025 | ERR_raise(ERR_LIB_CMS, CMS_R_UNABLE_TO_FINALIZE_CONTEXT); |
0f113f3e MC |
1026 | goto err; |
1027 | } | |
1028 | ||
1029 | /* If messageDigest found compare it */ | |
c1669f41 | 1030 | if (os != NULL) { |
0f113f3e | 1031 | if (mlen != (unsigned int)os->length) { |
9311d0c4 | 1032 | ERR_raise(ERR_LIB_CMS, CMS_R_MESSAGEDIGEST_ATTRIBUTE_WRONG_LENGTH); |
0f113f3e MC |
1033 | goto err; |
1034 | } | |
1035 | ||
1036 | if (memcmp(mval, os->data, mlen)) { | |
9311d0c4 | 1037 | ERR_raise(ERR_LIB_CMS, CMS_R_VERIFICATION_FAILURE); |
0f113f3e | 1038 | r = 0; |
8fc120bd | 1039 | } else { |
0f113f3e | 1040 | r = 1; |
8fc120bd | 1041 | } |
0f113f3e | 1042 | } else { |
f6c95e46 | 1043 | const EVP_MD *md = EVP_MD_CTX_get0_md(mctx); |
c1669f41 SL |
1044 | const CMS_CTX *ctx = si->cms_ctx; |
1045 | ||
53155f1c SL |
1046 | pkctx = EVP_PKEY_CTX_new_from_pkey(ossl_cms_ctx_get0_libctx(ctx), |
1047 | si->pkey, | |
1048 | ossl_cms_ctx_get0_propq(ctx)); | |
90945fa3 MC |
1049 | if (pkctx == NULL) |
1050 | goto err; | |
0f113f3e MC |
1051 | if (EVP_PKEY_verify_init(pkctx) <= 0) |
1052 | goto err; | |
1053 | if (EVP_PKEY_CTX_set_signature_md(pkctx, md) <= 0) | |
1054 | goto err; | |
1055 | si->pctx = pkctx; | |
6d2a01cd BE |
1056 | if (!cms_sd_asn1_ctrl(si, 1)) { |
1057 | si->pctx = NULL; | |
0f113f3e | 1058 | goto err; |
6d2a01cd BE |
1059 | } |
1060 | si->pctx = NULL; | |
0f113f3e MC |
1061 | r = EVP_PKEY_verify(pkctx, si->signature->data, |
1062 | si->signature->length, mval, mlen); | |
1063 | if (r <= 0) { | |
9311d0c4 | 1064 | ERR_raise(ERR_LIB_CMS, CMS_R_VERIFICATION_FAILURE); |
0f113f3e MC |
1065 | r = 0; |
1066 | } | |
1067 | } | |
1068 | ||
1069 | err: | |
c5ba2d99 | 1070 | EVP_PKEY_CTX_free(pkctx); |
bfb0641f | 1071 | EVP_MD_CTX_free(mctx); |
0f113f3e MC |
1072 | return r; |
1073 | ||
1074 | } | |
8931b30d | 1075 | |
d7d3dae6 DDO |
1076 | BIO *CMS_SignedData_verify(CMS_SignedData *sd, BIO *detached_data, |
1077 | STACK_OF(X509) *scerts, X509_STORE *store, | |
1078 | STACK_OF(X509) *extra, STACK_OF(X509_CRL) *crls, | |
1079 | unsigned int flags, | |
1080 | OSSL_LIB_CTX *libctx, const char *propq) | |
1081 | { | |
1082 | CMS_ContentInfo *ci; | |
1083 | BIO *bio = NULL; | |
1084 | int i, res = 0; | |
1085 | ||
1086 | if (sd == NULL) { | |
1087 | ERR_raise(ERR_LIB_CMS, ERR_R_PASSED_NULL_PARAMETER); | |
1088 | return NULL; | |
1089 | } | |
1090 | ||
1091 | if ((ci = CMS_ContentInfo_new_ex(libctx, propq)) == NULL) | |
1092 | return NULL; | |
1093 | if ((bio = BIO_new(BIO_s_mem())) == NULL) | |
1094 | goto end; | |
1095 | ci->contentType = OBJ_nid2obj(NID_pkcs7_signed); | |
1096 | ci->d.signedData = sd; | |
1097 | ||
1098 | for (i = 0; i < sk_X509_num(extra); i++) | |
1099 | if (!CMS_add1_cert(ci, sk_X509_value(extra, i))) | |
1100 | goto end; | |
1101 | for (i = 0; i < sk_X509_CRL_num(crls); i++) | |
1102 | if (!CMS_add1_crl(ci, sk_X509_CRL_value(crls, i))) | |
1103 | goto end; | |
1104 | res = CMS_verify(ci, scerts, store, detached_data, bio, flags); | |
1105 | ||
1106 | end: | |
1107 | if (ci != NULL) | |
1108 | ci->d.signedData = NULL; /* do not indirectly free |sd| */ | |
1109 | CMS_ContentInfo_free(ci); | |
1110 | if (!res) { | |
1111 | BIO_free(bio); | |
1112 | bio = NULL; | |
1113 | } | |
1114 | return bio; | |
1115 | } | |
1116 | ||
8931b30d | 1117 | int CMS_add_smimecap(CMS_SignerInfo *si, STACK_OF(X509_ALGOR) *algs) |
0f113f3e MC |
1118 | { |
1119 | unsigned char *smder = NULL; | |
1120 | int smderlen, r; | |
c1669f41 | 1121 | |
0f113f3e MC |
1122 | smderlen = i2d_X509_ALGORS(algs, &smder); |
1123 | if (smderlen <= 0) | |
1124 | return 0; | |
1125 | r = CMS_signed_add1_attr_by_NID(si, NID_SMIMECapabilities, | |
1126 | V_ASN1_SEQUENCE, smder, smderlen); | |
1127 | OPENSSL_free(smder); | |
1128 | return r; | |
1129 | } | |
8931b30d DSH |
1130 | |
1131 | int CMS_add_simple_smimecap(STACK_OF(X509_ALGOR) **algs, | |
0f113f3e MC |
1132 | int algnid, int keysize) |
1133 | { | |
1134 | X509_ALGOR *alg; | |
1135 | ASN1_INTEGER *key = NULL; | |
c1669f41 | 1136 | |
0f113f3e MC |
1137 | if (keysize > 0) { |
1138 | key = ASN1_INTEGER_new(); | |
209c3d3e P |
1139 | if (key == NULL || !ASN1_INTEGER_set(key, keysize)) { |
1140 | ASN1_INTEGER_free(key); | |
0f113f3e | 1141 | return 0; |
209c3d3e | 1142 | } |
0f113f3e | 1143 | } |
9944df11 DDO |
1144 | alg = ossl_X509_ALGOR_from_nid(algnid, key != NULL ? V_ASN1_INTEGER : |
1145 | V_ASN1_UNDEF, key); | |
90945fa3 | 1146 | if (alg == NULL) { |
2ace7450 | 1147 | ASN1_INTEGER_free(key); |
0f113f3e MC |
1148 | return 0; |
1149 | } | |
1150 | ||
90945fa3 | 1151 | if (*algs == NULL) |
0f113f3e | 1152 | *algs = sk_X509_ALGOR_new_null(); |
90945fa3 | 1153 | if (*algs == NULL || !sk_X509_ALGOR_push(*algs, alg)) { |
0f113f3e MC |
1154 | X509_ALGOR_free(alg); |
1155 | return 0; | |
1156 | } | |
1157 | return 1; | |
1158 | } | |
8931b30d DSH |
1159 | |
1160 | /* Check to see if a cipher exists and if so add S/MIME capabilities */ | |
8931b30d | 1161 | static int cms_add_cipher_smcap(STACK_OF(X509_ALGOR) **sk, int nid, int arg) |
0f113f3e MC |
1162 | { |
1163 | if (EVP_get_cipherbynid(nid)) | |
1164 | return CMS_add_simple_smimecap(sk, nid, arg); | |
1165 | return 1; | |
1166 | } | |
8931b30d DSH |
1167 | |
1168 | static int cms_add_digest_smcap(STACK_OF(X509_ALGOR) **sk, int nid, int arg) | |
0f113f3e MC |
1169 | { |
1170 | if (EVP_get_digestbynid(nid)) | |
1171 | return CMS_add_simple_smimecap(sk, nid, arg); | |
1172 | return 1; | |
1173 | } | |
8931b30d DSH |
1174 | |
1175 | int CMS_add_standard_smimecap(STACK_OF(X509_ALGOR) **smcap) | |
0f113f3e MC |
1176 | { |
1177 | if (!cms_add_cipher_smcap(smcap, NID_aes_256_cbc, -1) | |
c58f3e42 MC |
1178 | || !cms_add_digest_smcap(smcap, NID_id_GostR3411_2012_256, -1) |
1179 | || !cms_add_digest_smcap(smcap, NID_id_GostR3411_2012_512, -1) | |
0f113f3e MC |
1180 | || !cms_add_digest_smcap(smcap, NID_id_GostR3411_94, -1) |
1181 | || !cms_add_cipher_smcap(smcap, NID_id_Gost28147_89, -1) | |
1182 | || !cms_add_cipher_smcap(smcap, NID_aes_192_cbc, -1) | |
1183 | || !cms_add_cipher_smcap(smcap, NID_aes_128_cbc, -1) | |
1184 | || !cms_add_cipher_smcap(smcap, NID_des_ede3_cbc, -1) | |
1185 | || !cms_add_cipher_smcap(smcap, NID_rc2_cbc, 128) | |
1186 | || !cms_add_cipher_smcap(smcap, NID_rc2_cbc, 64) | |
1187 | || !cms_add_cipher_smcap(smcap, NID_des_cbc, -1) | |
1188 | || !cms_add_cipher_smcap(smcap, NID_rc2_cbc, 40)) | |
1189 | return 0; | |
1190 | return 1; | |
1191 | } |