1 /* crypto/cms/cms_env.c */
2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
5 /* ====================================================================
6 * Copyright (c) 2008 The OpenSSL Project. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
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
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/)"
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.
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.
34 * 6. Redistributions of any form whatsoever must retain the following
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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 * ====================================================================
55 #include <openssl/asn1t.h>
56 #include <openssl/pem.h>
57 #include <openssl/x509v3.h>
58 #include <openssl/err.h>
59 #include <openssl/cms.h>
60 #include <openssl/rand.h>
61 #include <openssl/aes.h>
63 #include "asn1_locl.h"
65 /* CMS EnvelopedData Utilities */
67 DECLARE_ASN1_ITEM(CMS_EnvelopedData
)
68 DECLARE_ASN1_ITEM(CMS_RecipientInfo
)
69 DECLARE_ASN1_ITEM(CMS_KeyTransRecipientInfo
)
70 DECLARE_ASN1_ITEM(CMS_KEKRecipientInfo
)
71 DECLARE_ASN1_ITEM(CMS_OtherKeyAttribute
)
73 DECLARE_STACK_OF(CMS_RecipientInfo
)
75 static CMS_EnvelopedData
*cms_get0_enveloped(CMS_ContentInfo
*cms
)
77 if (OBJ_obj2nid(cms
->contentType
) != NID_pkcs7_enveloped
)
79 CMSerr(CMS_F_CMS_GET0_ENVELOPED
,
80 CMS_R_CONTENT_TYPE_NOT_ENVELOPED_DATA
);
83 return cms
->d
.envelopedData
;
86 static CMS_EnvelopedData
*cms_enveloped_data_init(CMS_ContentInfo
*cms
)
88 if (cms
->d
.other
== NULL
)
90 cms
->d
.envelopedData
= M_ASN1_new_of(CMS_EnvelopedData
);
91 if (!cms
->d
.envelopedData
)
93 CMSerr(CMS_F_CMS_ENVELOPED_DATA_INIT
,
94 ERR_R_MALLOC_FAILURE
);
97 cms
->d
.envelopedData
->version
= 0;
98 cms
->d
.envelopedData
->encryptedContentInfo
->contentType
=
99 OBJ_nid2obj(NID_pkcs7_data
);
100 ASN1_OBJECT_free(cms
->contentType
);
101 cms
->contentType
= OBJ_nid2obj(NID_pkcs7_enveloped
);
102 return cms
->d
.envelopedData
;
104 return cms_get0_enveloped(cms
);
107 STACK_OF(CMS_RecipientInfo
) *CMS_get0_RecipientInfos(CMS_ContentInfo
*cms
)
109 CMS_EnvelopedData
*env
;
110 env
= cms_get0_enveloped(cms
);
113 return env
->recipientInfos
;
116 int CMS_RecipientInfo_type(CMS_RecipientInfo
*ri
)
121 CMS_ContentInfo
*CMS_EnvelopedData_create(const EVP_CIPHER
*cipher
)
123 CMS_ContentInfo
*cms
;
124 CMS_EnvelopedData
*env
;
125 cms
= CMS_ContentInfo_new();
128 env
= cms_enveloped_data_init(cms
);
131 if (!cms_EncryptedContent_init(env
->encryptedContentInfo
,
137 CMS_ContentInfo_free(cms
);
138 CMSerr(CMS_F_CMS_ENVELOPEDDATA_CREATE
, ERR_R_MALLOC_FAILURE
);
142 /* Key Transport Recipient Info (KTRI) routines */
144 /* Add a recipient certificate. For now only handle key transport.
145 * If we ever handle key agreement will need updating.
148 CMS_RecipientInfo
*CMS_add1_recipient_cert(CMS_ContentInfo
*cms
,
149 X509
*recip
, unsigned int flags
)
151 CMS_RecipientInfo
*ri
= NULL
;
152 CMS_KeyTransRecipientInfo
*ktri
;
153 CMS_EnvelopedData
*env
;
156 env
= cms_get0_enveloped(cms
);
160 /* Initialize recipient info */
161 ri
= M_ASN1_new_of(CMS_RecipientInfo
);
165 /* Initialize and add key transport recipient info */
167 ri
->d
.ktri
= M_ASN1_new_of(CMS_KeyTransRecipientInfo
);
170 ri
->type
= CMS_RECIPINFO_TRANS
;
174 X509_check_purpose(recip
, -1, -1);
175 pk
= X509_get_pubkey(recip
);
178 CMSerr(CMS_F_CMS_ADD1_RECIPIENT_CERT
,
179 CMS_R_ERROR_GETTING_PUBLIC_KEY
);
182 CRYPTO_add(&recip
->references
, 1, CRYPTO_LOCK_X509
);
186 if (flags
& CMS_USE_KEYID
)
189 type
= CMS_RECIPINFO_KEYIDENTIFIER
;
194 type
= CMS_RECIPINFO_ISSUER_SERIAL
;
197 /* Not a typo: RecipientIdentifier and SignerIdentifier are the
201 if (!cms_set1_SignerIdentifier(ktri
->rid
, recip
, type
))
204 if (pk
->ameth
&& pk
->ameth
->pkey_ctrl
)
206 i
= pk
->ameth
->pkey_ctrl(pk
, ASN1_PKEY_CTRL_CMS_ENVELOPE
,
210 CMSerr(CMS_F_CMS_ADD1_RECIPIENT_CERT
,
211 CMS_R_NOT_SUPPORTED_FOR_THIS_KEY_TYPE
);
216 CMSerr(CMS_F_CMS_ADD1_RECIPIENT_CERT
,
222 if (!sk_CMS_RecipientInfo_push(env
->recipientInfos
, ri
))
228 CMSerr(CMS_F_CMS_ADD1_RECIPIENT_CERT
, ERR_R_MALLOC_FAILURE
);
231 M_ASN1_free_of(ri
, CMS_RecipientInfo
);
236 int CMS_RecipientInfo_ktri_get0_algs(CMS_RecipientInfo
*ri
,
237 EVP_PKEY
**pk
, X509
**recip
,
240 CMS_KeyTransRecipientInfo
*ktri
;
241 if (ri
->type
!= CMS_RECIPINFO_TRANS
)
243 CMSerr(CMS_F_CMS_RECIPIENTINFO_KTRI_GET0_ALGS
,
244 CMS_R_NOT_KEY_TRANSPORT
);
253 *recip
= ktri
->recip
;
255 *palg
= ktri
->keyEncryptionAlgorithm
;
259 int CMS_RecipientInfo_ktri_get0_signer_id(CMS_RecipientInfo
*ri
,
260 ASN1_OCTET_STRING
**keyid
,
261 X509_NAME
**issuer
, ASN1_INTEGER
**sno
)
263 CMS_KeyTransRecipientInfo
*ktri
;
264 if (ri
->type
!= CMS_RECIPINFO_TRANS
)
266 CMSerr(CMS_F_CMS_RECIPIENTINFO_KTRI_GET0_SIGNER_ID
,
267 CMS_R_NOT_KEY_TRANSPORT
);
272 return cms_SignerIdentifier_get0_signer_id(ktri
->rid
,
276 int CMS_RecipientInfo_ktri_cert_cmp(CMS_RecipientInfo
*ri
, X509
*cert
)
278 if (ri
->type
!= CMS_RECIPINFO_TRANS
)
280 CMSerr(CMS_F_CMS_RECIPIENTINFO_KTRI_CERT_CMP
,
281 CMS_R_NOT_KEY_TRANSPORT
);
284 return cms_SignerIdentifier_cert_cmp(ri
->d
.ktri
->rid
, cert
);
287 int CMS_RecipientInfo_set0_pkey(CMS_RecipientInfo
*ri
, EVP_PKEY
*pkey
)
289 if (ri
->type
!= CMS_RECIPINFO_TRANS
)
291 CMSerr(CMS_F_CMS_RECIPIENTINFO_SET0_PKEY
,
292 CMS_R_NOT_KEY_TRANSPORT
);
295 ri
->d
.ktri
->pkey
= pkey
;
299 /* Encrypt content key in key transport recipient info */
301 static int cms_RecipientInfo_ktri_encrypt(CMS_ContentInfo
*cms
,
302 CMS_RecipientInfo
*ri
)
304 CMS_KeyTransRecipientInfo
*ktri
;
305 CMS_EncryptedContentInfo
*ec
;
306 EVP_PKEY_CTX
*pctx
= NULL
;
307 unsigned char *ek
= NULL
;
312 if (ri
->type
!= CMS_RECIPINFO_TRANS
)
314 CMSerr(CMS_F_CMS_RECIPIENTINFO_KTRI_ENCRYPT
,
315 CMS_R_NOT_KEY_TRANSPORT
);
319 ec
= cms
->d
.envelopedData
->encryptedContentInfo
;
321 pctx
= EVP_PKEY_CTX_new(ktri
->pkey
, NULL
);
325 if (EVP_PKEY_encrypt_init(pctx
) <= 0)
328 if (EVP_PKEY_CTX_ctrl(pctx
, -1, EVP_PKEY_OP_ENCRYPT
,
329 EVP_PKEY_CTRL_CMS_ENCRYPT
, 0, ri
) <= 0)
331 CMSerr(CMS_F_CMS_RECIPIENTINFO_KTRI_ENCRYPT
, CMS_R_CTRL_ERROR
);
335 if (EVP_PKEY_encrypt(pctx
, NULL
, &eklen
, ec
->key
, ec
->keylen
) <= 0)
338 ek
= OPENSSL_malloc(eklen
);
342 CMSerr(CMS_F_CMS_RECIPIENTINFO_KTRI_ENCRYPT
,
343 ERR_R_MALLOC_FAILURE
);
347 if (EVP_PKEY_encrypt(pctx
, ek
, &eklen
, ec
->key
, ec
->keylen
) <= 0)
350 ASN1_STRING_set0(ktri
->encryptedKey
, ek
, eklen
);
357 EVP_PKEY_CTX_free(pctx
);
364 /* Decrypt content key from KTRI */
366 static int cms_RecipientInfo_ktri_decrypt(CMS_ContentInfo
*cms
,
367 CMS_RecipientInfo
*ri
)
369 CMS_KeyTransRecipientInfo
*ktri
= ri
->d
.ktri
;
370 EVP_PKEY_CTX
*pctx
= NULL
;
371 unsigned char *ek
= NULL
;
375 if (ktri
->pkey
== NULL
)
377 CMSerr(CMS_F_CMS_RECIPIENTINFO_KTRI_DECRYPT
,
378 CMS_R_NO_PRIVATE_KEY
);
382 pctx
= EVP_PKEY_CTX_new(ktri
->pkey
, NULL
);
386 if (EVP_PKEY_decrypt_init(pctx
) <= 0)
389 if (EVP_PKEY_CTX_ctrl(pctx
, -1, EVP_PKEY_OP_DECRYPT
,
390 EVP_PKEY_CTRL_CMS_DECRYPT
, 0, ri
) <= 0)
392 CMSerr(CMS_F_CMS_RECIPIENTINFO_KTRI_DECRYPT
, CMS_R_CTRL_ERROR
);
396 if (EVP_PKEY_decrypt(pctx
, NULL
, &eklen
,
397 ktri
->encryptedKey
->data
,
398 ktri
->encryptedKey
->length
) <= 0)
401 ek
= OPENSSL_malloc(eklen
);
405 CMSerr(CMS_F_CMS_RECIPIENTINFO_KTRI_DECRYPT
,
406 ERR_R_MALLOC_FAILURE
);
410 if (EVP_PKEY_decrypt(pctx
, ek
, &eklen
,
411 ktri
->encryptedKey
->data
,
412 ktri
->encryptedKey
->length
) <= 0)
414 CMSerr(CMS_F_CMS_RECIPIENTINFO_KTRI_DECRYPT
, CMS_R_CMS_LIB
);
420 cms
->d
.envelopedData
->encryptedContentInfo
->key
= ek
;
421 cms
->d
.envelopedData
->encryptedContentInfo
->keylen
= eklen
;
425 EVP_PKEY_CTX_free(pctx
);
432 /* Key Encrypted Key (KEK) RecipientInfo routines */
434 int CMS_RecipientInfo_kekri_id_cmp(CMS_RecipientInfo
*ri
,
435 const unsigned char *id
, size_t idlen
)
437 ASN1_OCTET_STRING tmp_os
;
438 CMS_KEKRecipientInfo
*kekri
;
439 if (ri
->type
!= CMS_RECIPINFO_KEK
)
441 CMSerr(CMS_F_CMS_RECIPIENTINFO_KEKRI_ID_CMP
, CMS_R_NOT_KEK
);
445 tmp_os
.type
= V_ASN1_OCTET_STRING
;
447 tmp_os
.data
= (unsigned char *)id
;
448 tmp_os
.length
= (int)idlen
;
449 return ASN1_OCTET_STRING_cmp(&tmp_os
, kekri
->kekid
->keyIdentifier
);
452 /* For now hard code AES key wrap info */
454 static size_t aes_wrap_keylen(int nid
)
458 case NID_id_aes128_wrap
:
461 case NID_id_aes192_wrap
:
464 case NID_id_aes256_wrap
:
472 CMS_RecipientInfo
*CMS_add0_recipient_key(CMS_ContentInfo
*cms
, int nid
,
473 unsigned char *key
, size_t keylen
,
474 unsigned char *id
, size_t idlen
,
475 ASN1_GENERALIZEDTIME
*date
,
476 ASN1_OBJECT
*otherTypeId
,
477 ASN1_TYPE
*otherType
)
479 CMS_RecipientInfo
*ri
= NULL
;
480 CMS_EnvelopedData
*env
;
481 CMS_KEKRecipientInfo
*kekri
;
482 env
= cms_get0_enveloped(cms
);
486 if (nid
== NID_undef
)
491 nid
= NID_id_aes128_wrap
;
495 nid
= NID_id_aes192_wrap
;
499 nid
= NID_id_aes256_wrap
;
503 CMSerr(CMS_F_CMS_ADD0_RECIPIENT_KEY
,
504 CMS_R_INVALID_KEY_LENGTH
);
512 size_t exp_keylen
= aes_wrap_keylen(nid
);
516 CMSerr(CMS_F_CMS_ADD0_RECIPIENT_KEY
,
517 CMS_R_UNSUPPORTED_KEK_ALGORITHM
);
521 if (keylen
!= exp_keylen
)
523 CMSerr(CMS_F_CMS_ADD0_RECIPIENT_KEY
,
524 CMS_R_INVALID_KEY_LENGTH
);
530 /* Initialize recipient info */
531 ri
= M_ASN1_new_of(CMS_RecipientInfo
);
535 ri
->d
.kekri
= M_ASN1_new_of(CMS_KEKRecipientInfo
);
538 ri
->type
= CMS_RECIPINFO_KEK
;
544 kekri
->kekid
->other
= M_ASN1_new_of(CMS_OtherKeyAttribute
);
545 if (kekri
->kekid
->other
== NULL
)
549 if (!sk_CMS_RecipientInfo_push(env
->recipientInfos
, ri
))
553 /* After this point no calls can fail */
558 kekri
->keylen
= keylen
;
560 ASN1_STRING_set0(kekri
->kekid
->keyIdentifier
, id
, idlen
);
562 kekri
->kekid
->date
= date
;
564 if (kekri
->kekid
->other
)
566 kekri
->kekid
->other
->keyAttrId
= otherTypeId
;
567 kekri
->kekid
->other
->keyAttr
= otherType
;
570 X509_ALGOR_set0(kekri
->keyEncryptionAlgorithm
,
571 OBJ_nid2obj(nid
), V_ASN1_UNDEF
, NULL
);
576 CMSerr(CMS_F_CMS_ADD0_RECIPIENT_KEY
, ERR_R_MALLOC_FAILURE
);
579 M_ASN1_free_of(ri
, CMS_RecipientInfo
);
585 int CMS_RecipientInfo_kekri_get0_id(CMS_RecipientInfo
*ri
,
587 ASN1_OCTET_STRING
**pid
,
588 ASN1_GENERALIZEDTIME
**pdate
,
589 ASN1_OBJECT
**potherid
,
590 ASN1_TYPE
**pothertype
)
592 CMS_KEKIdentifier
*rkid
;
593 if (ri
->type
!= CMS_RECIPINFO_KEK
)
595 CMSerr(CMS_F_CMS_RECIPIENTINFO_KEKRI_GET0_ID
, CMS_R_NOT_KEK
);
598 rkid
= ri
->d
.kekri
->kekid
;
600 *palg
= ri
->d
.kekri
->keyEncryptionAlgorithm
;
602 *pid
= rkid
->keyIdentifier
;
608 *potherid
= rkid
->other
->keyAttrId
;
615 *pothertype
= rkid
->other
->keyAttr
;
624 int CMS_RecipientInfo_set0_key(CMS_RecipientInfo
*ri
,
625 unsigned char *key
, size_t keylen
)
627 CMS_KEKRecipientInfo
*kekri
;
628 if (ri
->type
!= CMS_RECIPINFO_KEK
)
630 CMSerr(CMS_F_CMS_RECIPIENTINFO_SET0_KEY
, CMS_R_NOT_KEK
);
636 kekri
->keylen
= keylen
;
641 /* Encrypt content key in KEK recipient info */
643 static int cms_RecipientInfo_kekri_encrypt(CMS_ContentInfo
*cms
,
644 CMS_RecipientInfo
*ri
)
646 CMS_EncryptedContentInfo
*ec
;
647 CMS_KEKRecipientInfo
*kekri
;
649 unsigned char *wkey
= NULL
;
653 ec
= cms
->d
.envelopedData
->encryptedContentInfo
;
659 CMSerr(CMS_F_CMS_RECIPIENTINFO_KEKRI_ENCRYPT
, CMS_R_NO_KEY
);
663 if (AES_set_encrypt_key(kekri
->key
, kekri
->keylen
<< 3, &actx
))
665 CMSerr(CMS_F_CMS_RECIPIENTINFO_KEKRI_ENCRYPT
,
666 CMS_R_ERROR_SETTING_KEY
);
670 wkey
= OPENSSL_malloc(ec
->keylen
+ 8);
674 CMSerr(CMS_F_CMS_RECIPIENTINFO_KEKRI_ENCRYPT
,
675 ERR_R_MALLOC_FAILURE
);
679 wkeylen
= AES_wrap_key(&actx
, NULL
, wkey
, ec
->key
, ec
->keylen
);
683 CMSerr(CMS_F_CMS_RECIPIENTINFO_KEKRI_ENCRYPT
, CMS_R_WRAP_ERROR
);
687 ASN1_STRING_set0(kekri
->encryptedKey
, wkey
, wkeylen
);
695 OPENSSL_cleanse(&actx
, sizeof(actx
));
701 /* Decrypt content key in KEK recipient info */
703 static int cms_RecipientInfo_kekri_decrypt(CMS_ContentInfo
*cms
,
704 CMS_RecipientInfo
*ri
)
706 CMS_EncryptedContentInfo
*ec
;
707 CMS_KEKRecipientInfo
*kekri
;
709 unsigned char *ukey
= NULL
;
713 ec
= cms
->d
.envelopedData
->encryptedContentInfo
;
719 CMSerr(CMS_F_CMS_RECIPIENTINFO_KEKRI_DECRYPT
, CMS_R_NO_KEY
);
723 wrap_nid
= OBJ_obj2nid(kekri
->keyEncryptionAlgorithm
->algorithm
);
724 if (aes_wrap_keylen(wrap_nid
) != kekri
->keylen
)
726 CMSerr(CMS_F_CMS_RECIPIENTINFO_KEKRI_DECRYPT
,
727 CMS_R_INVALID_KEY_LENGTH
);
731 /* If encrypted key length is invalid don't bother */
733 if (kekri
->encryptedKey
->length
< 16)
735 CMSerr(CMS_F_CMS_RECIPIENTINFO_KEKRI_DECRYPT
,
736 CMS_R_INVALID_ENCRYPTED_KEY_LENGTH
);
740 if (AES_set_decrypt_key(kekri
->key
, kekri
->keylen
<< 3, &actx
))
742 CMSerr(CMS_F_CMS_RECIPIENTINFO_KEKRI_DECRYPT
,
743 CMS_R_ERROR_SETTING_KEY
);
747 ukey
= OPENSSL_malloc(kekri
->encryptedKey
->length
- 8);
751 CMSerr(CMS_F_CMS_RECIPIENTINFO_KEKRI_DECRYPT
,
752 ERR_R_MALLOC_FAILURE
);
756 ukeylen
= AES_unwrap_key(&actx
, NULL
, ukey
,
757 kekri
->encryptedKey
->data
,
758 kekri
->encryptedKey
->length
);
762 CMSerr(CMS_F_CMS_RECIPIENTINFO_KEKRI_DECRYPT
,
768 ec
->keylen
= ukeylen
;
776 OPENSSL_cleanse(&actx
, sizeof(actx
));
782 int CMS_RecipientInfo_decrypt(CMS_ContentInfo
*cms
, CMS_RecipientInfo
*ri
)
786 case CMS_RECIPINFO_TRANS
:
787 return cms_RecipientInfo_ktri_decrypt(cms
, ri
);
789 case CMS_RECIPINFO_KEK
:
790 return cms_RecipientInfo_kekri_decrypt(cms
, ri
);
793 CMSerr(CMS_F_CMS_RECIPIENTINFO_DECRYPT
,
794 CMS_R_UNSUPPORTED_RECPIENTINFO_TYPE
);
799 BIO
*cms_EnvelopedData_init_bio(CMS_ContentInfo
*cms
)
801 CMS_EncryptedContentInfo
*ec
;
802 STACK_OF(CMS_RecipientInfo
) *rinfos
;
803 CMS_RecipientInfo
*ri
;
807 /* Get BIO first to set up key */
809 ec
= cms
->d
.envelopedData
->encryptedContentInfo
;
810 ret
= cms_EncryptedContent_init_bio(ec
);
812 /* If error or no cipher end of processing */
814 if (!ret
|| !ec
->cipher
)
817 /* Now encrypt content key according to each RecipientInfo type */
819 rinfos
= cms
->d
.envelopedData
->recipientInfos
;
821 for (i
= 0; i
< sk_CMS_RecipientInfo_num(rinfos
); i
++)
823 ri
= sk_CMS_RecipientInfo_value(rinfos
, i
);
827 case CMS_RECIPINFO_TRANS
:
828 r
= cms_RecipientInfo_ktri_encrypt(cms
, ri
);
831 case CMS_RECIPINFO_KEK
:
832 r
= cms_RecipientInfo_kekri_encrypt(cms
, ri
);
836 CMSerr(CMS_F_CMS_ENVELOPEDDATA_INIT_BIO
,
837 CMS_R_UNSUPPORTED_RECIPIENT_TYPE
);
843 CMSerr(CMS_F_CMS_ENVELOPEDDATA_INIT_BIO
,
844 CMS_R_ERROR_SETTING_RECIPIENTINFO
);
855 OPENSSL_cleanse(ec
->key
, ec
->keylen
);
856 OPENSSL_free(ec
->key
);