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Commit | Line | Data |
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0f113f3e | 1 | /* |
fecb3aae | 2 | * Copyright 2008-2022 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) { | |
9311d0c4 | 41 | ERR_raise(ERR_LIB_CMS, ERR_R_MALLOC_FAILURE); |
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")) |
d15d5618 | 265 | return cms_generic_sign(si, cmd); |
c2403f36 | 266 | else if (EVP_PKEY_is_a(pkey, "RSA") || EVP_PKEY_is_a(pkey, "RSA-PSS")) |
53155f1c | 267 | return ossl_cms_rsa_sign(si, cmd); |
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) |
d15d5618 | 271 | return cms_generic_sign(si, cmd); |
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); | |
352 | if (!si) | |
353 | goto merr; | |
109f8b5d | 354 | /* Call for side-effect of computing hash and caching extensions */ |
0f113f3e MC |
355 | X509_check_purpose(signer, -1, -1); |
356 | ||
05f0fb9f | 357 | X509_up_ref(signer); |
03273d61 | 358 | EVP_PKEY_up_ref(pk); |
0f113f3e | 359 | |
c1669f41 | 360 | si->cms_ctx = ctx; |
0f113f3e MC |
361 | si->pkey = pk; |
362 | si->signer = signer; | |
bfb0641f | 363 | si->mctx = EVP_MD_CTX_new(); |
0f113f3e MC |
364 | si->pctx = NULL; |
365 | ||
6e59a892 | 366 | if (si->mctx == NULL) { |
9311d0c4 | 367 | ERR_raise(ERR_LIB_CMS, ERR_R_MALLOC_FAILURE); |
6e59a892 RL |
368 | goto err; |
369 | } | |
370 | ||
0f113f3e MC |
371 | if (flags & CMS_USE_KEYID) { |
372 | si->version = 3; | |
373 | if (sd->version < 3) | |
374 | sd->version = 3; | |
375 | type = CMS_SIGNERINFO_KEYIDENTIFIER; | |
376 | } else { | |
377 | type = CMS_SIGNERINFO_ISSUER_SERIAL; | |
378 | si->version = 1; | |
379 | } | |
380 | ||
53155f1c | 381 | if (!ossl_cms_set1_SignerIdentifier(si->sid, signer, type, ctx)) |
0f113f3e MC |
382 | goto err; |
383 | ||
384 | if (md == NULL) { | |
385 | int def_nid; | |
04bc3c12 | 386 | |
0f113f3e MC |
387 | if (EVP_PKEY_get_default_digest_nid(pk, &def_nid) <= 0) |
388 | goto err; | |
389 | md = EVP_get_digestbynid(def_nid); | |
390 | if (md == NULL) { | |
9311d0c4 | 391 | ERR_raise(ERR_LIB_CMS, CMS_R_NO_DEFAULT_DIGEST); |
0f113f3e MC |
392 | goto err; |
393 | } | |
394 | } | |
395 | ||
c1669f41 | 396 | if (md == NULL) { |
9311d0c4 | 397 | ERR_raise(ERR_LIB_CMS, CMS_R_NO_DIGEST_SET); |
c1669f41 SL |
398 | goto err; |
399 | } | |
400 | ||
0f113f3e MC |
401 | X509_ALGOR_set_md(si->digestAlgorithm, md); |
402 | ||
403 | /* See if digest is present in digestAlgorithms */ | |
404 | for (i = 0; i < sk_X509_ALGOR_num(sd->digestAlgorithms); i++) { | |
ac4e2577 | 405 | const ASN1_OBJECT *aoid; |
ad57a13b RL |
406 | char name[OSSL_MAX_NAME_SIZE]; |
407 | ||
0f113f3e MC |
408 | alg = sk_X509_ALGOR_value(sd->digestAlgorithms, i); |
409 | X509_ALGOR_get0(&aoid, NULL, NULL, alg); | |
ad57a13b RL |
410 | OBJ_obj2txt(name, sizeof(name), aoid, 0); |
411 | if (EVP_MD_is_a(md, name)) | |
0f113f3e MC |
412 | break; |
413 | } | |
414 | ||
415 | if (i == sk_X509_ALGOR_num(sd->digestAlgorithms)) { | |
04bc3c12 | 416 | if ((alg = X509_ALGOR_new()) == NULL) |
0f113f3e MC |
417 | goto merr; |
418 | X509_ALGOR_set_md(alg, md); | |
419 | if (!sk_X509_ALGOR_push(sd->digestAlgorithms, alg)) { | |
420 | X509_ALGOR_free(alg); | |
421 | goto merr; | |
422 | } | |
423 | } | |
424 | ||
425 | if (!(flags & CMS_KEY_PARAM) && !cms_sd_asn1_ctrl(si, 0)) | |
426 | goto err; | |
427 | if (!(flags & CMS_NOATTR)) { | |
428 | /* | |
0d4fb843 | 429 | * Initialize signed attributes structure so other attributes |
0f113f3e MC |
430 | * such as signing time etc are added later even if we add none here. |
431 | */ | |
432 | if (!si->signedAttrs) { | |
433 | si->signedAttrs = sk_X509_ATTRIBUTE_new_null(); | |
434 | if (!si->signedAttrs) | |
435 | goto merr; | |
436 | } | |
437 | ||
438 | if (!(flags & CMS_NOSMIMECAP)) { | |
439 | STACK_OF(X509_ALGOR) *smcap = NULL; | |
8fc120bd | 440 | |
0f113f3e MC |
441 | i = CMS_add_standard_smimecap(&smcap); |
442 | if (i) | |
443 | i = CMS_add_smimecap(si, smcap); | |
444 | sk_X509_ALGOR_pop_free(smcap, X509_ALGOR_free); | |
445 | if (!i) | |
446 | goto merr; | |
447 | } | |
e85d19c6 AI |
448 | if (flags & CMS_CADES) { |
449 | ESS_SIGNING_CERT *sc = NULL; | |
450 | ESS_SIGNING_CERT_V2 *sc2 = NULL; | |
451 | int add_sc; | |
452 | ||
e72dbd8e | 453 | if (md == NULL || EVP_MD_is_a(md, SN_sha1)) { |
1751768c | 454 | if ((sc = OSSL_ESS_signing_cert_new_init(signer, |
53155f1c | 455 | NULL, 1)) == NULL) |
e85d19c6 | 456 | goto err; |
53155f1c | 457 | add_sc = ossl_cms_add1_signing_cert(si, sc); |
e85d19c6 AI |
458 | ESS_SIGNING_CERT_free(sc); |
459 | } else { | |
1751768c | 460 | if ((sc2 = OSSL_ESS_signing_cert_v2_new_init(md, signer, |
53155f1c | 461 | NULL, 1)) == NULL) |
e85d19c6 | 462 | goto err; |
53155f1c | 463 | add_sc = ossl_cms_add1_signing_cert_v2(si, sc2); |
e85d19c6 AI |
464 | ESS_SIGNING_CERT_V2_free(sc2); |
465 | } | |
466 | if (!add_sc) | |
467 | goto err; | |
468 | } | |
8c89c80a F |
469 | if (flags & CMS_REUSE_DIGEST) { |
470 | if (!cms_copy_messageDigest(cms, si)) | |
471 | goto err; | |
19e512a8 SL |
472 | if (!cms_set_si_contentType_attr(cms, si)) |
473 | goto err; | |
8c89c80a F |
474 | if (!(flags & (CMS_PARTIAL | CMS_KEY_PARAM)) && |
475 | !CMS_SignerInfo_sign(si)) | |
476 | goto err; | |
477 | } | |
0f113f3e MC |
478 | } |
479 | ||
480 | if (!(flags & CMS_NOCERTS)) { | |
481 | /* NB ignore -1 return for duplicate cert */ | |
482 | if (!CMS_add1_cert(cms, signer)) | |
483 | goto merr; | |
484 | } | |
485 | ||
486 | if (flags & CMS_KEY_PARAM) { | |
487 | if (flags & CMS_NOATTR) { | |
53155f1c | 488 | si->pctx = EVP_PKEY_CTX_new_from_pkey(ossl_cms_ctx_get0_libctx(ctx), |
84af8027 | 489 | si->pkey, |
53155f1c | 490 | ossl_cms_ctx_get0_propq(ctx)); |
90945fa3 | 491 | if (si->pctx == NULL) |
0f113f3e MC |
492 | goto err; |
493 | if (EVP_PKEY_sign_init(si->pctx) <= 0) | |
494 | goto err; | |
495 | if (EVP_PKEY_CTX_set_signature_md(si->pctx, md) <= 0) | |
496 | goto err; | |
ed576acd TM |
497 | } else if (EVP_DigestSignInit_ex(si->mctx, &si->pctx, |
498 | EVP_MD_get0_name(md), | |
53155f1c SL |
499 | ossl_cms_ctx_get0_libctx(ctx), |
500 | ossl_cms_ctx_get0_propq(ctx), | |
1666eec8 | 501 | pk, NULL) <= 0) { |
0f113f3e | 502 | goto err; |
c1669f41 | 503 | } |
0f113f3e MC |
504 | } |
505 | ||
506 | if (!sd->signerInfos) | |
507 | sd->signerInfos = sk_CMS_SignerInfo_new_null(); | |
508 | if (!sd->signerInfos || !sk_CMS_SignerInfo_push(sd->signerInfos, si)) | |
509 | goto merr; | |
510 | ||
511 | return si; | |
512 | ||
513 | merr: | |
9311d0c4 | 514 | ERR_raise(ERR_LIB_CMS, ERR_R_MALLOC_FAILURE); |
0f113f3e | 515 | err: |
2ace7450 | 516 | M_ASN1_free_of(si, CMS_SignerInfo); |
0f113f3e MC |
517 | return NULL; |
518 | ||
519 | } | |
8931b30d | 520 | |
53155f1c | 521 | void ossl_cms_SignerInfos_set_cmsctx(CMS_ContentInfo *cms) |
c1669f41 SL |
522 | { |
523 | int i; | |
524 | CMS_SignerInfo *si; | |
8a734d3a | 525 | STACK_OF(CMS_SignerInfo) *sinfos; |
53155f1c | 526 | const CMS_CTX *ctx = ossl_cms_get0_cmsctx(cms); |
c1669f41 | 527 | |
8a734d3a DDO |
528 | ERR_set_mark(); |
529 | sinfos = CMS_get0_SignerInfos(cms); | |
530 | ERR_pop_to_mark(); /* removes error in case sinfos == NULL */ | |
531 | ||
c1669f41 SL |
532 | for (i = 0; i < sk_CMS_SignerInfo_num(sinfos); i++) { |
533 | si = sk_CMS_SignerInfo_value(sinfos, i); | |
534 | if (si != NULL) | |
535 | si->cms_ctx = ctx; | |
536 | } | |
537 | } | |
538 | ||
1e26a8ba | 539 | static int cms_add1_signingTime(CMS_SignerInfo *si, ASN1_TIME *t) |
0f113f3e MC |
540 | { |
541 | ASN1_TIME *tt; | |
542 | int r = 0; | |
c1669f41 SL |
543 | |
544 | if (t != NULL) | |
0f113f3e MC |
545 | tt = t; |
546 | else | |
547 | tt = X509_gmtime_adj(NULL, 0); | |
8931b30d | 548 | |
c1669f41 | 549 | if (tt == NULL) |
0f113f3e | 550 | goto merr; |
8931b30d | 551 | |
0f113f3e MC |
552 | if (CMS_signed_add1_attr_by_NID(si, NID_pkcs9_signingTime, |
553 | tt->type, tt, -1) <= 0) | |
554 | goto merr; | |
8931b30d | 555 | |
0f113f3e | 556 | r = 1; |
0f113f3e | 557 | merr: |
c1669f41 | 558 | if (t == NULL) |
0f113f3e | 559 | ASN1_TIME_free(tt); |
8931b30d | 560 | |
0f113f3e | 561 | if (!r) |
9311d0c4 | 562 | ERR_raise(ERR_LIB_CMS, ERR_R_MALLOC_FAILURE); |
8931b30d | 563 | |
0f113f3e | 564 | return r; |
8931b30d | 565 | |
0f113f3e | 566 | } |
8931b30d | 567 | |
e365352d | 568 | EVP_PKEY_CTX *CMS_SignerInfo_get0_pkey_ctx(CMS_SignerInfo *si) |
0f113f3e MC |
569 | { |
570 | return si->pctx; | |
571 | } | |
e365352d DSH |
572 | |
573 | EVP_MD_CTX *CMS_SignerInfo_get0_md_ctx(CMS_SignerInfo *si) | |
0f113f3e | 574 | { |
6e59a892 | 575 | return si->mctx; |
0f113f3e | 576 | } |
e365352d | 577 | |
8931b30d | 578 | STACK_OF(CMS_SignerInfo) *CMS_get0_SignerInfos(CMS_ContentInfo *cms) |
0f113f3e | 579 | { |
c1669f41 SL |
580 | CMS_SignedData *sd = cms_get0_signed(cms); |
581 | ||
582 | return sd != NULL ? sd->signerInfos : NULL; | |
0f113f3e | 583 | } |
8931b30d DSH |
584 | |
585 | STACK_OF(X509) *CMS_get0_signers(CMS_ContentInfo *cms) | |
0f113f3e MC |
586 | { |
587 | STACK_OF(X509) *signers = NULL; | |
588 | STACK_OF(CMS_SignerInfo) *sinfos; | |
589 | CMS_SignerInfo *si; | |
590 | int i; | |
c1669f41 | 591 | |
0f113f3e MC |
592 | sinfos = CMS_get0_SignerInfos(cms); |
593 | for (i = 0; i < sk_CMS_SignerInfo_num(sinfos); i++) { | |
594 | si = sk_CMS_SignerInfo_value(sinfos, i); | |
c1669f41 | 595 | if (si->signer != NULL) { |
c1be4d61 DDO |
596 | if (!ossl_x509_add_cert_new(&signers, si->signer, |
597 | X509_ADD_FLAG_DEFAULT)) { | |
0f113f3e MC |
598 | sk_X509_free(signers); |
599 | return NULL; | |
600 | } | |
601 | } | |
602 | } | |
603 | return signers; | |
604 | } | |
8931b30d DSH |
605 | |
606 | void CMS_SignerInfo_set1_signer_cert(CMS_SignerInfo *si, X509 *signer) | |
0f113f3e | 607 | { |
c1669f41 | 608 | if (signer != NULL) { |
05f0fb9f | 609 | X509_up_ref(signer); |
c5ba2d99 | 610 | EVP_PKEY_free(si->pkey); |
0f113f3e MC |
611 | si->pkey = X509_get_pubkey(signer); |
612 | } | |
222561fe | 613 | X509_free(si->signer); |
0f113f3e MC |
614 | si->signer = signer; |
615 | } | |
8931b30d DSH |
616 | |
617 | int CMS_SignerInfo_get0_signer_id(CMS_SignerInfo *si, | |
0f113f3e MC |
618 | ASN1_OCTET_STRING **keyid, |
619 | X509_NAME **issuer, ASN1_INTEGER **sno) | |
620 | { | |
53155f1c | 621 | return ossl_cms_SignerIdentifier_get0_signer_id(si->sid, keyid, issuer, sno); |
0f113f3e | 622 | } |
8931b30d DSH |
623 | |
624 | int CMS_SignerInfo_cert_cmp(CMS_SignerInfo *si, X509 *cert) | |
0f113f3e | 625 | { |
53155f1c | 626 | return ossl_cms_SignerIdentifier_cert_cmp(si->sid, cert); |
0f113f3e | 627 | } |
8931b30d DSH |
628 | |
629 | int CMS_set1_signers_certs(CMS_ContentInfo *cms, STACK_OF(X509) *scerts, | |
0f113f3e MC |
630 | unsigned int flags) |
631 | { | |
632 | CMS_SignedData *sd; | |
633 | CMS_SignerInfo *si; | |
634 | CMS_CertificateChoices *cch; | |
635 | STACK_OF(CMS_CertificateChoices) *certs; | |
636 | X509 *x; | |
637 | int i, j; | |
638 | int ret = 0; | |
c1669f41 | 639 | |
0f113f3e | 640 | sd = cms_get0_signed(cms); |
c1669f41 | 641 | if (sd == NULL) |
0f113f3e MC |
642 | return -1; |
643 | certs = sd->certificates; | |
644 | for (i = 0; i < sk_CMS_SignerInfo_num(sd->signerInfos); i++) { | |
645 | si = sk_CMS_SignerInfo_value(sd->signerInfos, i); | |
c1669f41 | 646 | if (si->signer != NULL) |
0f113f3e MC |
647 | continue; |
648 | ||
649 | for (j = 0; j < sk_X509_num(scerts); j++) { | |
650 | x = sk_X509_value(scerts, j); | |
651 | if (CMS_SignerInfo_cert_cmp(si, x) == 0) { | |
652 | CMS_SignerInfo_set1_signer_cert(si, x); | |
653 | ret++; | |
654 | break; | |
655 | } | |
656 | } | |
657 | ||
c1669f41 | 658 | if (si->signer != NULL || (flags & CMS_NOINTERN)) |
0f113f3e MC |
659 | continue; |
660 | ||
661 | for (j = 0; j < sk_CMS_CertificateChoices_num(certs); j++) { | |
662 | cch = sk_CMS_CertificateChoices_value(certs, j); | |
f69ec4b4 | 663 | if (cch->type != CMS_CERTCHOICE_CERT) |
0f113f3e MC |
664 | continue; |
665 | x = cch->d.certificate; | |
666 | if (CMS_SignerInfo_cert_cmp(si, x) == 0) { | |
667 | CMS_SignerInfo_set1_signer_cert(si, x); | |
668 | ret++; | |
669 | break; | |
670 | } | |
671 | } | |
672 | } | |
673 | return ret; | |
674 | } | |
675 | ||
676 | void CMS_SignerInfo_get0_algs(CMS_SignerInfo *si, EVP_PKEY **pk, | |
677 | X509 **signer, X509_ALGOR **pdig, | |
678 | X509_ALGOR **psig) | |
679 | { | |
c1669f41 | 680 | if (pk != NULL) |
0f113f3e | 681 | *pk = si->pkey; |
c1669f41 | 682 | if (signer != NULL) |
0f113f3e | 683 | *signer = si->signer; |
c1669f41 | 684 | if (pdig != NULL) |
0f113f3e | 685 | *pdig = si->digestAlgorithm; |
c1669f41 | 686 | if (psig != NULL) |
0f113f3e MC |
687 | *psig = si->signatureAlgorithm; |
688 | } | |
8931b30d | 689 | |
da15c616 | 690 | ASN1_OCTET_STRING *CMS_SignerInfo_get0_signature(CMS_SignerInfo *si) |
0f113f3e MC |
691 | { |
692 | return si->signature; | |
693 | } | |
da15c616 | 694 | |
ff80280b | 695 | static int cms_SignerInfo_content_sign(CMS_ContentInfo *cms, |
07342bad VS |
696 | CMS_SignerInfo *si, BIO *chain, |
697 | const unsigned char *md, | |
698 | unsigned int mdlen) | |
0f113f3e | 699 | { |
bfb0641f | 700 | EVP_MD_CTX *mctx = EVP_MD_CTX_new(); |
0f113f3e MC |
701 | int r = 0; |
702 | EVP_PKEY_CTX *pctx = NULL; | |
53155f1c | 703 | const CMS_CTX *ctx = ossl_cms_get0_cmsctx(cms); |
6e59a892 RL |
704 | |
705 | if (mctx == NULL) { | |
9311d0c4 | 706 | ERR_raise(ERR_LIB_CMS, ERR_R_MALLOC_FAILURE); |
6e59a892 RL |
707 | return 0; |
708 | } | |
0f113f3e | 709 | |
c1669f41 | 710 | if (si->pkey == NULL) { |
9311d0c4 | 711 | ERR_raise(ERR_LIB_CMS, CMS_R_NO_PRIVATE_KEY); |
22803581 | 712 | goto err; |
0f113f3e MC |
713 | } |
714 | ||
53155f1c | 715 | if (!ossl_cms_DigestAlgorithm_find_ctx(mctx, chain, si->digestAlgorithm)) |
0f113f3e | 716 | goto err; |
0d4fb843 | 717 | /* Set SignerInfo algorithm details if we used custom parameter */ |
0f113f3e MC |
718 | if (si->pctx && !cms_sd_asn1_ctrl(si, 0)) |
719 | goto err; | |
720 | ||
721 | /* | |
722 | * If any signed attributes calculate and add messageDigest attribute | |
723 | */ | |
0f113f3e | 724 | if (CMS_signed_get_attr_count(si) >= 0) { |
07342bad | 725 | unsigned char computed_md[EVP_MAX_MD_SIZE]; |
c1669f41 | 726 | |
07342bad VS |
727 | if (md == NULL) { |
728 | if (!EVP_DigestFinal_ex(mctx, computed_md, &mdlen)) | |
729 | goto err; | |
730 | md = computed_md; | |
731 | } | |
0f113f3e MC |
732 | if (!CMS_signed_add1_attr_by_NID(si, NID_pkcs9_messageDigest, |
733 | V_ASN1_OCTET_STRING, md, mdlen)) | |
734 | goto err; | |
735 | /* Copy content type across */ | |
19e512a8 | 736 | if (!cms_set_si_contentType_attr(cms, si)) |
0f113f3e | 737 | goto err; |
19e512a8 | 738 | |
0f113f3e MC |
739 | if (!CMS_SignerInfo_sign(si)) |
740 | goto err; | |
741 | } else if (si->pctx) { | |
742 | unsigned char *sig; | |
743 | size_t siglen; | |
07342bad | 744 | unsigned char computed_md[EVP_MAX_MD_SIZE]; |
c1669f41 | 745 | |
0f113f3e | 746 | pctx = si->pctx; |
07342bad VS |
747 | if (md == NULL) { |
748 | if (!EVP_DigestFinal_ex(mctx, computed_md, &mdlen)) | |
749 | goto err; | |
750 | md = computed_md; | |
751 | } | |
ed576acd | 752 | siglen = EVP_PKEY_get_size(si->pkey); |
0f113f3e | 753 | sig = OPENSSL_malloc(siglen); |
90945fa3 | 754 | if (sig == NULL) { |
9311d0c4 | 755 | ERR_raise(ERR_LIB_CMS, ERR_R_MALLOC_FAILURE); |
0f113f3e MC |
756 | goto err; |
757 | } | |
758 | if (EVP_PKEY_sign(pctx, sig, &siglen, md, mdlen) <= 0) { | |
759 | OPENSSL_free(sig); | |
760 | goto err; | |
761 | } | |
762 | ASN1_STRING_set0(si->signature, sig, siglen); | |
763 | } else { | |
764 | unsigned char *sig; | |
765 | unsigned int siglen; | |
c1669f41 | 766 | |
07342bad VS |
767 | if (md != NULL) { |
768 | ERR_raise(ERR_LIB_CMS, CMS_R_OPERATION_UNSUPPORTED); | |
769 | goto err; | |
770 | } | |
ed576acd | 771 | sig = OPENSSL_malloc(EVP_PKEY_get_size(si->pkey)); |
90945fa3 | 772 | if (sig == NULL) { |
9311d0c4 | 773 | ERR_raise(ERR_LIB_CMS, ERR_R_MALLOC_FAILURE); |
0f113f3e MC |
774 | goto err; |
775 | } | |
84af8027 | 776 | if (!EVP_SignFinal_ex(mctx, sig, &siglen, si->pkey, |
53155f1c SL |
777 | ossl_cms_ctx_get0_libctx(ctx), |
778 | ossl_cms_ctx_get0_propq(ctx))) { | |
9311d0c4 | 779 | ERR_raise(ERR_LIB_CMS, CMS_R_SIGNFINAL_ERROR); |
0f113f3e MC |
780 | OPENSSL_free(sig); |
781 | goto err; | |
782 | } | |
783 | ASN1_STRING_set0(si->signature, sig, siglen); | |
784 | } | |
785 | ||
786 | r = 1; | |
787 | ||
788 | err: | |
bfb0641f | 789 | EVP_MD_CTX_free(mctx); |
c5ba2d99 | 790 | EVP_PKEY_CTX_free(pctx); |
0f113f3e MC |
791 | return r; |
792 | ||
793 | } | |
8931b30d | 794 | |
07342bad VS |
795 | int ossl_cms_SignedData_final(CMS_ContentInfo *cms, BIO *chain, |
796 | const unsigned char *precomp_md, | |
797 | unsigned int precomp_mdlen) | |
0f113f3e MC |
798 | { |
799 | STACK_OF(CMS_SignerInfo) *sinfos; | |
800 | CMS_SignerInfo *si; | |
801 | int i; | |
c1669f41 | 802 | |
0f113f3e MC |
803 | sinfos = CMS_get0_SignerInfos(cms); |
804 | for (i = 0; i < sk_CMS_SignerInfo_num(sinfos); i++) { | |
805 | si = sk_CMS_SignerInfo_value(sinfos, i); | |
8fc120bd DDO |
806 | if (!cms_SignerInfo_content_sign(cms, si, chain, |
807 | precomp_md, precomp_mdlen)) | |
0f113f3e MC |
808 | return 0; |
809 | } | |
810 | cms->d.signedData->encapContentInfo->partial = 0; | |
811 | return 1; | |
812 | } | |
8931b30d DSH |
813 | |
814 | int CMS_SignerInfo_sign(CMS_SignerInfo *si) | |
0f113f3e | 815 | { |
6e59a892 | 816 | EVP_MD_CTX *mctx = si->mctx; |
e6803117 | 817 | EVP_PKEY_CTX *pctx = NULL; |
0f113f3e MC |
818 | unsigned char *abuf = NULL; |
819 | int alen; | |
820 | size_t siglen; | |
c1669f41 | 821 | const CMS_CTX *ctx = si->cms_ctx; |
ad57a13b | 822 | char md_name[OSSL_MAX_NAME_SIZE]; |
0f113f3e | 823 | |
2349d7ba | 824 | if (OBJ_obj2txt(md_name, sizeof(md_name), |
8fc120bd | 825 | si->digestAlgorithm->algorithm, 0) <= 0) |
0f113f3e MC |
826 | return 0; |
827 | ||
828 | if (CMS_signed_get_attr_by_NID(si, NID_pkcs9_signingTime, -1) < 0) { | |
829 | if (!cms_add1_signingTime(si, NULL)) | |
830 | goto err; | |
831 | } | |
832 | ||
3022b7f4 | 833 | if (!ossl_cms_si_check_attributes(si)) |
19e512a8 SL |
834 | goto err; |
835 | ||
8fc120bd | 836 | if (si->pctx) { |
0f113f3e | 837 | pctx = si->pctx; |
8fc120bd | 838 | } else { |
bfb0641f | 839 | EVP_MD_CTX_reset(mctx); |
53155f1c SL |
840 | if (EVP_DigestSignInit_ex(mctx, &pctx, md_name, |
841 | ossl_cms_ctx_get0_libctx(ctx), | |
1666eec8 P |
842 | ossl_cms_ctx_get0_propq(ctx), si->pkey, |
843 | NULL) <= 0) | |
0f113f3e | 844 | goto err; |
f7a21d85 | 845 | si->pctx = pctx; |
0f113f3e MC |
846 | } |
847 | ||
0f113f3e MC |
848 | alen = ASN1_item_i2d((ASN1_VALUE *)si->signedAttrs, &abuf, |
849 | ASN1_ITEM_rptr(CMS_Attributes_Sign)); | |
850 | if (!abuf) | |
851 | goto err; | |
852 | if (EVP_DigestSignUpdate(mctx, abuf, alen) <= 0) | |
853 | goto err; | |
854 | if (EVP_DigestSignFinal(mctx, NULL, &siglen) <= 0) | |
855 | goto err; | |
856 | OPENSSL_free(abuf); | |
857 | abuf = OPENSSL_malloc(siglen); | |
90945fa3 | 858 | if (abuf == NULL) |
0f113f3e MC |
859 | goto err; |
860 | if (EVP_DigestSignFinal(mctx, abuf, &siglen) <= 0) | |
861 | goto err; | |
862 | ||
bfb0641f | 863 | EVP_MD_CTX_reset(mctx); |
0f113f3e MC |
864 | |
865 | ASN1_STRING_set0(si->signature, abuf, siglen); | |
866 | ||
867 | return 1; | |
868 | ||
869 | err: | |
b548a1f1 | 870 | OPENSSL_free(abuf); |
bfb0641f | 871 | EVP_MD_CTX_reset(mctx); |
0f113f3e | 872 | return 0; |
0f113f3e | 873 | } |
8931b30d DSH |
874 | |
875 | int CMS_SignerInfo_verify(CMS_SignerInfo *si) | |
0f113f3e | 876 | { |
6e59a892 | 877 | EVP_MD_CTX *mctx = NULL; |
0f113f3e MC |
878 | unsigned char *abuf = NULL; |
879 | int alen, r = -1; | |
ad57a13b | 880 | char name[OSSL_MAX_NAME_SIZE]; |
1acb2e6f SL |
881 | const EVP_MD *md; |
882 | EVP_MD *fetched_md = NULL; | |
c1669f41 | 883 | const CMS_CTX *ctx = si->cms_ctx; |
53155f1c SL |
884 | OSSL_LIB_CTX *libctx = ossl_cms_ctx_get0_libctx(ctx); |
885 | const char *propq = ossl_cms_ctx_get0_propq(ctx); | |
0f113f3e | 886 | |
c1669f41 | 887 | if (si->pkey == NULL) { |
9311d0c4 | 888 | ERR_raise(ERR_LIB_CMS, CMS_R_NO_PUBLIC_KEY); |
0f113f3e MC |
889 | return -1; |
890 | } | |
891 | ||
3022b7f4 | 892 | if (!ossl_cms_si_check_attributes(si)) |
19e512a8 SL |
893 | return -1; |
894 | ||
ad57a13b | 895 | OBJ_obj2txt(name, sizeof(name), si->digestAlgorithm->algorithm, 0); |
1acb2e6f SL |
896 | |
897 | (void)ERR_set_mark(); | |
84af8027 | 898 | fetched_md = EVP_MD_fetch(libctx, name, propq); |
1acb2e6f SL |
899 | |
900 | if (fetched_md != NULL) | |
901 | md = fetched_md; | |
902 | else | |
903 | md = EVP_get_digestbyobj(si->digestAlgorithm->algorithm); | |
904 | if (md == NULL) { | |
905 | (void)ERR_clear_last_mark(); | |
9311d0c4 | 906 | ERR_raise(ERR_LIB_CMS, CMS_R_UNKNOWN_DIGEST_ALGORITHM); |
0f113f3e | 907 | return -1; |
1acb2e6f SL |
908 | } |
909 | (void)ERR_pop_to_mark(); | |
910 | ||
378db52b | 911 | if (si->mctx == NULL && (si->mctx = EVP_MD_CTX_new()) == NULL) { |
9311d0c4 | 912 | ERR_raise(ERR_LIB_CMS, ERR_R_MALLOC_FAILURE); |
c1669f41 | 913 | goto err; |
378db52b | 914 | } |
6e59a892 | 915 | mctx = si->mctx; |
ed576acd | 916 | if (EVP_DigestVerifyInit_ex(mctx, &si->pctx, EVP_MD_get0_name(md), libctx, |
1666eec8 | 917 | propq, si->pkey, NULL) <= 0) |
0f113f3e MC |
918 | goto err; |
919 | ||
920 | if (!cms_sd_asn1_ctrl(si, 1)) | |
921 | goto err; | |
922 | ||
923 | alen = ASN1_item_i2d((ASN1_VALUE *)si->signedAttrs, &abuf, | |
924 | ASN1_ITEM_rptr(CMS_Attributes_Verify)); | |
81777339 | 925 | if (abuf == NULL || alen < 0) |
0f113f3e MC |
926 | goto err; |
927 | r = EVP_DigestVerifyUpdate(mctx, abuf, alen); | |
928 | OPENSSL_free(abuf); | |
929 | if (r <= 0) { | |
930 | r = -1; | |
931 | goto err; | |
932 | } | |
933 | r = EVP_DigestVerifyFinal(mctx, | |
934 | si->signature->data, si->signature->length); | |
935 | if (r <= 0) | |
9311d0c4 | 936 | ERR_raise(ERR_LIB_CMS, CMS_R_VERIFICATION_FAILURE); |
0f113f3e | 937 | err: |
1acb2e6f | 938 | EVP_MD_free(fetched_md); |
bfb0641f | 939 | EVP_MD_CTX_reset(mctx); |
0f113f3e MC |
940 | return r; |
941 | } | |
8931b30d DSH |
942 | |
943 | /* Create a chain of digest BIOs from a CMS ContentInfo */ | |
53155f1c | 944 | BIO *ossl_cms_SignedData_init_bio(CMS_ContentInfo *cms) |
0f113f3e MC |
945 | { |
946 | int i; | |
947 | CMS_SignedData *sd; | |
948 | BIO *chain = NULL; | |
c1669f41 | 949 | |
0f113f3e | 950 | sd = cms_get0_signed(cms); |
c1669f41 | 951 | if (sd == NULL) |
0f113f3e MC |
952 | return NULL; |
953 | if (cms->d.signedData->encapContentInfo->partial) | |
954 | cms_sd_set_version(sd); | |
955 | for (i = 0; i < sk_X509_ALGOR_num(sd->digestAlgorithms); i++) { | |
956 | X509_ALGOR *digestAlgorithm; | |
957 | BIO *mdbio; | |
c1669f41 | 958 | |
0f113f3e | 959 | digestAlgorithm = sk_X509_ALGOR_value(sd->digestAlgorithms, i); |
53155f1c SL |
960 | mdbio = ossl_cms_DigestAlgorithm_init_bio(digestAlgorithm, |
961 | ossl_cms_get0_cmsctx(cms)); | |
c1669f41 | 962 | if (mdbio == NULL) |
0f113f3e | 963 | goto err; |
c1669f41 | 964 | if (chain != NULL) |
0f113f3e MC |
965 | BIO_push(chain, mdbio); |
966 | else | |
967 | chain = mdbio; | |
968 | } | |
969 | return chain; | |
970 | err: | |
ca3a82c3 | 971 | BIO_free_all(chain); |
0f113f3e MC |
972 | return NULL; |
973 | } | |
8931b30d DSH |
974 | |
975 | int CMS_SignerInfo_verify_content(CMS_SignerInfo *si, BIO *chain) | |
0f113f3e MC |
976 | { |
977 | ASN1_OCTET_STRING *os = NULL; | |
bfb0641f | 978 | EVP_MD_CTX *mctx = EVP_MD_CTX_new(); |
0f113f3e MC |
979 | EVP_PKEY_CTX *pkctx = NULL; |
980 | int r = -1; | |
981 | unsigned char mval[EVP_MAX_MD_SIZE]; | |
982 | unsigned int mlen; | |
6e59a892 RL |
983 | |
984 | if (mctx == NULL) { | |
9311d0c4 | 985 | ERR_raise(ERR_LIB_CMS, ERR_R_MALLOC_FAILURE); |
6e59a892 RL |
986 | goto err; |
987 | } | |
0f113f3e MC |
988 | /* If we have any signed attributes look for messageDigest value */ |
989 | if (CMS_signed_get_attr_count(si) >= 0) { | |
990 | os = CMS_signed_get0_data_by_OBJ(si, | |
991 | OBJ_nid2obj(NID_pkcs9_messageDigest), | |
992 | -3, V_ASN1_OCTET_STRING); | |
c1669f41 | 993 | if (os == NULL) { |
9311d0c4 | 994 | ERR_raise(ERR_LIB_CMS, CMS_R_ERROR_READING_MESSAGEDIGEST_ATTRIBUTE); |
0f113f3e MC |
995 | goto err; |
996 | } | |
997 | } | |
998 | ||
53155f1c | 999 | if (!ossl_cms_DigestAlgorithm_find_ctx(mctx, chain, si->digestAlgorithm)) |
0f113f3e MC |
1000 | goto err; |
1001 | ||
6e59a892 | 1002 | if (EVP_DigestFinal_ex(mctx, mval, &mlen) <= 0) { |
9311d0c4 | 1003 | ERR_raise(ERR_LIB_CMS, CMS_R_UNABLE_TO_FINALIZE_CONTEXT); |
0f113f3e MC |
1004 | goto err; |
1005 | } | |
1006 | ||
1007 | /* If messageDigest found compare it */ | |
c1669f41 | 1008 | if (os != NULL) { |
0f113f3e | 1009 | if (mlen != (unsigned int)os->length) { |
9311d0c4 | 1010 | ERR_raise(ERR_LIB_CMS, CMS_R_MESSAGEDIGEST_ATTRIBUTE_WRONG_LENGTH); |
0f113f3e MC |
1011 | goto err; |
1012 | } | |
1013 | ||
1014 | if (memcmp(mval, os->data, mlen)) { | |
9311d0c4 | 1015 | ERR_raise(ERR_LIB_CMS, CMS_R_VERIFICATION_FAILURE); |
0f113f3e | 1016 | r = 0; |
8fc120bd | 1017 | } else { |
0f113f3e | 1018 | r = 1; |
8fc120bd | 1019 | } |
0f113f3e | 1020 | } else { |
f6c95e46 | 1021 | const EVP_MD *md = EVP_MD_CTX_get0_md(mctx); |
c1669f41 SL |
1022 | const CMS_CTX *ctx = si->cms_ctx; |
1023 | ||
53155f1c SL |
1024 | pkctx = EVP_PKEY_CTX_new_from_pkey(ossl_cms_ctx_get0_libctx(ctx), |
1025 | si->pkey, | |
1026 | ossl_cms_ctx_get0_propq(ctx)); | |
90945fa3 MC |
1027 | if (pkctx == NULL) |
1028 | goto err; | |
0f113f3e MC |
1029 | if (EVP_PKEY_verify_init(pkctx) <= 0) |
1030 | goto err; | |
1031 | if (EVP_PKEY_CTX_set_signature_md(pkctx, md) <= 0) | |
1032 | goto err; | |
1033 | si->pctx = pkctx; | |
1034 | if (!cms_sd_asn1_ctrl(si, 1)) | |
1035 | goto err; | |
1036 | r = EVP_PKEY_verify(pkctx, si->signature->data, | |
1037 | si->signature->length, mval, mlen); | |
1038 | if (r <= 0) { | |
9311d0c4 | 1039 | ERR_raise(ERR_LIB_CMS, CMS_R_VERIFICATION_FAILURE); |
0f113f3e MC |
1040 | r = 0; |
1041 | } | |
1042 | } | |
1043 | ||
1044 | err: | |
c5ba2d99 | 1045 | EVP_PKEY_CTX_free(pkctx); |
bfb0641f | 1046 | EVP_MD_CTX_free(mctx); |
0f113f3e MC |
1047 | return r; |
1048 | ||
1049 | } | |
8931b30d | 1050 | |
d7d3dae6 DDO |
1051 | BIO *CMS_SignedData_verify(CMS_SignedData *sd, BIO *detached_data, |
1052 | STACK_OF(X509) *scerts, X509_STORE *store, | |
1053 | STACK_OF(X509) *extra, STACK_OF(X509_CRL) *crls, | |
1054 | unsigned int flags, | |
1055 | OSSL_LIB_CTX *libctx, const char *propq) | |
1056 | { | |
1057 | CMS_ContentInfo *ci; | |
1058 | BIO *bio = NULL; | |
1059 | int i, res = 0; | |
1060 | ||
1061 | if (sd == NULL) { | |
1062 | ERR_raise(ERR_LIB_CMS, ERR_R_PASSED_NULL_PARAMETER); | |
1063 | return NULL; | |
1064 | } | |
1065 | ||
1066 | if ((ci = CMS_ContentInfo_new_ex(libctx, propq)) == NULL) | |
1067 | return NULL; | |
1068 | if ((bio = BIO_new(BIO_s_mem())) == NULL) | |
1069 | goto end; | |
1070 | ci->contentType = OBJ_nid2obj(NID_pkcs7_signed); | |
1071 | ci->d.signedData = sd; | |
1072 | ||
1073 | for (i = 0; i < sk_X509_num(extra); i++) | |
1074 | if (!CMS_add1_cert(ci, sk_X509_value(extra, i))) | |
1075 | goto end; | |
1076 | for (i = 0; i < sk_X509_CRL_num(crls); i++) | |
1077 | if (!CMS_add1_crl(ci, sk_X509_CRL_value(crls, i))) | |
1078 | goto end; | |
1079 | res = CMS_verify(ci, scerts, store, detached_data, bio, flags); | |
1080 | ||
1081 | end: | |
1082 | if (ci != NULL) | |
1083 | ci->d.signedData = NULL; /* do not indirectly free |sd| */ | |
1084 | CMS_ContentInfo_free(ci); | |
1085 | if (!res) { | |
1086 | BIO_free(bio); | |
1087 | bio = NULL; | |
1088 | } | |
1089 | return bio; | |
1090 | } | |
1091 | ||
8931b30d | 1092 | int CMS_add_smimecap(CMS_SignerInfo *si, STACK_OF(X509_ALGOR) *algs) |
0f113f3e MC |
1093 | { |
1094 | unsigned char *smder = NULL; | |
1095 | int smderlen, r; | |
c1669f41 | 1096 | |
0f113f3e MC |
1097 | smderlen = i2d_X509_ALGORS(algs, &smder); |
1098 | if (smderlen <= 0) | |
1099 | return 0; | |
1100 | r = CMS_signed_add1_attr_by_NID(si, NID_SMIMECapabilities, | |
1101 | V_ASN1_SEQUENCE, smder, smderlen); | |
1102 | OPENSSL_free(smder); | |
1103 | return r; | |
1104 | } | |
8931b30d DSH |
1105 | |
1106 | int CMS_add_simple_smimecap(STACK_OF(X509_ALGOR) **algs, | |
0f113f3e MC |
1107 | int algnid, int keysize) |
1108 | { | |
1109 | X509_ALGOR *alg; | |
1110 | ASN1_INTEGER *key = NULL; | |
c1669f41 | 1111 | |
0f113f3e MC |
1112 | if (keysize > 0) { |
1113 | key = ASN1_INTEGER_new(); | |
209c3d3e P |
1114 | if (key == NULL || !ASN1_INTEGER_set(key, keysize)) { |
1115 | ASN1_INTEGER_free(key); | |
0f113f3e | 1116 | return 0; |
209c3d3e | 1117 | } |
0f113f3e | 1118 | } |
9944df11 DDO |
1119 | alg = ossl_X509_ALGOR_from_nid(algnid, key != NULL ? V_ASN1_INTEGER : |
1120 | V_ASN1_UNDEF, key); | |
90945fa3 | 1121 | if (alg == NULL) { |
2ace7450 | 1122 | ASN1_INTEGER_free(key); |
0f113f3e MC |
1123 | return 0; |
1124 | } | |
1125 | ||
90945fa3 | 1126 | if (*algs == NULL) |
0f113f3e | 1127 | *algs = sk_X509_ALGOR_new_null(); |
90945fa3 | 1128 | if (*algs == NULL || !sk_X509_ALGOR_push(*algs, alg)) { |
0f113f3e MC |
1129 | X509_ALGOR_free(alg); |
1130 | return 0; | |
1131 | } | |
1132 | return 1; | |
1133 | } | |
8931b30d DSH |
1134 | |
1135 | /* Check to see if a cipher exists and if so add S/MIME capabilities */ | |
8931b30d | 1136 | static int cms_add_cipher_smcap(STACK_OF(X509_ALGOR) **sk, int nid, int arg) |
0f113f3e MC |
1137 | { |
1138 | if (EVP_get_cipherbynid(nid)) | |
1139 | return CMS_add_simple_smimecap(sk, nid, arg); | |
1140 | return 1; | |
1141 | } | |
8931b30d DSH |
1142 | |
1143 | static int cms_add_digest_smcap(STACK_OF(X509_ALGOR) **sk, int nid, int arg) | |
0f113f3e MC |
1144 | { |
1145 | if (EVP_get_digestbynid(nid)) | |
1146 | return CMS_add_simple_smimecap(sk, nid, arg); | |
1147 | return 1; | |
1148 | } | |
8931b30d DSH |
1149 | |
1150 | int CMS_add_standard_smimecap(STACK_OF(X509_ALGOR) **smcap) | |
0f113f3e MC |
1151 | { |
1152 | if (!cms_add_cipher_smcap(smcap, NID_aes_256_cbc, -1) | |
c58f3e42 MC |
1153 | || !cms_add_digest_smcap(smcap, NID_id_GostR3411_2012_256, -1) |
1154 | || !cms_add_digest_smcap(smcap, NID_id_GostR3411_2012_512, -1) | |
0f113f3e MC |
1155 | || !cms_add_digest_smcap(smcap, NID_id_GostR3411_94, -1) |
1156 | || !cms_add_cipher_smcap(smcap, NID_id_Gost28147_89, -1) | |
1157 | || !cms_add_cipher_smcap(smcap, NID_aes_192_cbc, -1) | |
1158 | || !cms_add_cipher_smcap(smcap, NID_aes_128_cbc, -1) | |
1159 | || !cms_add_cipher_smcap(smcap, NID_des_ede3_cbc, -1) | |
1160 | || !cms_add_cipher_smcap(smcap, NID_rc2_cbc, 128) | |
1161 | || !cms_add_cipher_smcap(smcap, NID_rc2_cbc, 64) | |
1162 | || !cms_add_cipher_smcap(smcap, NID_des_cbc, -1) | |
1163 | || !cms_add_cipher_smcap(smcap, NID_rc2_cbc, 40)) | |
1164 | return 0; | |
1165 | return 1; | |
1166 | } |