1 /* crypto/cms/cms_smime.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/x509.h>
57 #include <openssl/x509v3.h>
58 #include <openssl/err.h>
59 #include <openssl/cms.h>
61 #include "asn1_locl.h"
63 static BIO
*cms_get_text_bio(BIO
*out
, unsigned int flags
)
67 rbio
= BIO_new(BIO_s_null());
68 else if (flags
& CMS_TEXT
)
70 rbio
= BIO_new(BIO_s_mem());
71 BIO_set_mem_eof_return(rbio
, 0);
78 static int cms_copy_content(BIO
*out
, BIO
*in
, unsigned int flags
)
80 unsigned char buf
[4096];
84 tmpout
= cms_get_text_bio(out
, flags
);
88 CMSerr(CMS_F_CMS_COPY_CONTENT
,ERR_R_MALLOC_FAILURE
);
92 /* Read all content through chain to process digest, decrypt etc */
95 i
=BIO_read(in
,buf
,sizeof(buf
));
98 if (BIO_method_type(in
) == BIO_TYPE_CIPHER
)
100 if (!BIO_get_cipher_status(in
))
108 if (tmpout
&& (BIO_write(tmpout
, buf
, i
) != i
))
114 if(!SMIME_text(tmpout
, out
))
116 CMSerr(CMS_F_CMS_COPY_CONTENT
,CMS_R_SMIME_TEXT_ERROR
);
124 if (tmpout
&& (tmpout
!= out
))
130 static int check_content(CMS_ContentInfo
*cms
)
132 ASN1_OCTET_STRING
**pos
= CMS_get0_content(cms
);
135 CMSerr(CMS_F_CHECK_CONTENT
, CMS_R_NO_CONTENT
);
141 static void do_free_upto(BIO
*f
, BIO
*upto
)
152 while (f
&& f
!= upto
);
158 int CMS_data(CMS_ContentInfo
*cms
, BIO
*out
, unsigned int flags
)
162 if (OBJ_obj2nid(CMS_get0_type(cms
)) != NID_pkcs7_data
)
164 CMSerr(CMS_F_CMS_DATA
, CMS_R_TYPE_NOT_DATA
);
167 cont
= CMS_dataInit(cms
, NULL
);
170 r
= cms_copy_content(out
, cont
, flags
);
175 CMS_ContentInfo
*CMS_data_create(BIO
*in
, unsigned int flags
)
177 CMS_ContentInfo
*cms
;
178 cms
= cms_Data_create();
182 if ((flags
& CMS_STREAM
) || CMS_final(cms
, in
, NULL
, flags
))
185 CMS_ContentInfo_free(cms
);
190 int CMS_digest_verify(CMS_ContentInfo
*cms
, BIO
*dcont
, BIO
*out
,
195 if (OBJ_obj2nid(CMS_get0_type(cms
)) != NID_pkcs7_digest
)
197 CMSerr(CMS_F_CMS_DIGEST_VERIFY
, CMS_R_TYPE_NOT_DIGESTED_DATA
);
201 if (!dcont
&& !check_content(cms
))
204 cont
= CMS_dataInit(cms
, dcont
);
207 r
= cms_copy_content(out
, cont
, flags
);
209 r
= cms_DigestedData_do_final(cms
, cont
, 1);
210 do_free_upto(cont
, dcont
);
214 CMS_ContentInfo
*CMS_digest_create(BIO
*in
, const EVP_MD
*md
,
217 CMS_ContentInfo
*cms
;
220 cms
= cms_DigestedData_create(md
);
224 if(!(flags
& CMS_DETACHED
))
225 CMS_set_detached(cms
, 0);
227 if ((flags
& CMS_STREAM
) || CMS_final(cms
, in
, NULL
, flags
))
230 CMS_ContentInfo_free(cms
);
234 int CMS_EncryptedData_decrypt(CMS_ContentInfo
*cms
,
235 const unsigned char *key
, size_t keylen
,
236 BIO
*dcont
, BIO
*out
, unsigned int flags
)
240 if (OBJ_obj2nid(CMS_get0_type(cms
)) != NID_pkcs7_encrypted
)
242 CMSerr(CMS_F_CMS_ENCRYPTEDDATA_DECRYPT
,
243 CMS_R_TYPE_NOT_ENCRYPTED_DATA
);
247 if (!dcont
&& !check_content(cms
))
250 if (CMS_EncryptedData_set1_key(cms
, NULL
, key
, keylen
) <= 0)
252 cont
= CMS_dataInit(cms
, dcont
);
255 r
= cms_copy_content(out
, cont
, flags
);
256 do_free_upto(cont
, dcont
);
260 CMS_ContentInfo
*CMS_EncryptedData_encrypt(BIO
*in
, const EVP_CIPHER
*cipher
,
261 const unsigned char *key
, size_t keylen
,
264 CMS_ContentInfo
*cms
;
267 CMSerr(CMS_F_CMS_ENCRYPTEDDATA_ENCRYPT
, CMS_R_NO_CIPHER
);
270 cms
= CMS_ContentInfo_new();
273 if (!CMS_EncryptedData_set1_key(cms
, cipher
, key
, keylen
))
276 if(!(flags
& CMS_DETACHED
))
277 CMS_set_detached(cms
, 0);
279 if ((flags
& (CMS_STREAM
|CMS_PARTIAL
))
280 || CMS_final(cms
, in
, NULL
, flags
))
283 CMS_ContentInfo_free(cms
);
287 static int cms_signerinfo_verify_cert(CMS_SignerInfo
*si
,
289 STACK_OF(X509
) *certs
,
290 STACK_OF(X509_CRL
) *crls
,
296 CMS_SignerInfo_get0_algs(si
, NULL
, &signer
, NULL
, NULL
);
297 if (!X509_STORE_CTX_init(&ctx
, store
, signer
, certs
))
299 CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY_CERT
,
300 CMS_R_STORE_INIT_ERROR
);
303 X509_STORE_CTX_set_default(&ctx
, "smime_sign");
305 X509_STORE_CTX_set0_crls(&ctx
, crls
);
307 i
= X509_verify_cert(&ctx
);
310 j
= X509_STORE_CTX_get_error(&ctx
);
311 CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY_CERT
,
312 CMS_R_CERTIFICATE_VERIFY_ERROR
);
313 ERR_add_error_data(2, "Verify error:",
314 X509_verify_cert_error_string(j
));
319 X509_STORE_CTX_cleanup(&ctx
);
324 int CMS_verify(CMS_ContentInfo
*cms
, STACK_OF(X509
) *certs
,
325 X509_STORE
*store
, BIO
*dcont
, BIO
*out
, unsigned int flags
)
328 STACK_OF(CMS_SignerInfo
) *sinfos
;
329 STACK_OF(X509
) *cms_certs
= NULL
;
330 STACK_OF(X509_CRL
) *crls
= NULL
;
332 int i
, scount
= 0, ret
= 0;
333 BIO
*cmsbio
= NULL
, *tmpin
= NULL
, *tmpout
= NULL
;
335 if (!dcont
&& !check_content(cms
))
338 /* Attempt to find all signer certificates */
340 sinfos
= CMS_get0_SignerInfos(cms
);
342 if (sk_CMS_SignerInfo_num(sinfos
) <= 0)
344 CMSerr(CMS_F_CMS_VERIFY
, CMS_R_NO_SIGNERS
);
348 for (i
= 0; i
< sk_CMS_SignerInfo_num(sinfos
); i
++)
350 si
= sk_CMS_SignerInfo_value(sinfos
, i
);
351 CMS_SignerInfo_get0_algs(si
, NULL
, &signer
, NULL
, NULL
);
356 if (scount
!= sk_CMS_SignerInfo_num(sinfos
))
357 scount
+= CMS_set1_signers_certs(cms
, certs
, flags
);
359 if (scount
!= sk_CMS_SignerInfo_num(sinfos
))
361 CMSerr(CMS_F_CMS_VERIFY
, CMS_R_SIGNER_CERTIFICATE_NOT_FOUND
);
365 /* Attempt to verify all signers certs */
367 if (!(flags
& CMS_NO_SIGNER_CERT_VERIFY
))
369 cms_certs
= CMS_get1_certs(cms
);
370 if (!(flags
& CMS_NOCRL
))
371 crls
= CMS_get1_crls(cms
);
372 for (i
= 0; i
< sk_CMS_SignerInfo_num(sinfos
); i
++)
374 si
= sk_CMS_SignerInfo_value(sinfos
, i
);
375 if (!cms_signerinfo_verify_cert(si
, store
,
376 cms_certs
, crls
, flags
))
381 /* Attempt to verify all SignerInfo signed attribute signatures */
383 if (!(flags
& CMS_NO_ATTR_VERIFY
))
385 for (i
= 0; i
< sk_CMS_SignerInfo_num(sinfos
); i
++)
387 si
= sk_CMS_SignerInfo_value(sinfos
, i
);
388 if (CMS_signed_get_attr_count(si
) < 0)
390 if (CMS_SignerInfo_verify(si
) <= 0)
395 /* Performance optimization: if the content is a memory BIO then
396 * store its contents in a temporary read only memory BIO. This
397 * avoids potentially large numbers of slow copies of data which will
398 * occur when reading from a read write memory BIO when signatures
402 if (dcont
&& (BIO_method_type(dcont
) == BIO_TYPE_MEM
))
406 len
= BIO_get_mem_data(dcont
, &ptr
);
407 tmpin
= BIO_new_mem_buf(ptr
, len
);
410 CMSerr(CMS_F_CMS_VERIFY
,ERR_R_MALLOC_FAILURE
);
416 /* If not binary mode and detached generate digests by *writing*
417 * through the BIO. That makes it possible to canonicalise the
420 if (!(flags
& SMIME_BINARY
) && dcont
)
422 /* Create output BIO so we can either handle text or to
423 * ensure included content doesn't override detached content.
425 tmpout
= cms_get_text_bio(out
, flags
);
428 CMSerr(CMS_F_CMS_VERIFY
,ERR_R_MALLOC_FAILURE
);
431 cmsbio
= CMS_dataInit(cms
, tmpout
);
434 /* Don't use SMIME_TEXT for verify: it adds headers and
435 * we want to remove them.
437 SMIME_crlf_copy(dcont
, cmsbio
, flags
& ~SMIME_TEXT
);
441 if (!SMIME_text(tmpout
, out
))
443 CMSerr(CMS_F_CMS_VERIFY
,CMS_R_SMIME_TEXT_ERROR
);
450 cmsbio
=CMS_dataInit(cms
, tmpin
);
454 if (!cms_copy_content(out
, cmsbio
, flags
))
458 if (!(flags
& CMS_NO_CONTENT_VERIFY
))
460 for (i
= 0; i
< sk_CMS_SignerInfo_num(sinfos
); i
++)
462 si
= sk_CMS_SignerInfo_value(sinfos
, i
);
463 if (CMS_SignerInfo_verify_content(si
, cmsbio
) <= 0)
465 CMSerr(CMS_F_CMS_VERIFY
,
466 CMS_R_CONTENT_VERIFY_ERROR
);
475 if (!(flags
& SMIME_BINARY
) && dcont
)
477 do_free_upto(cmsbio
, tmpout
);
484 if (dcont
&& (tmpin
== dcont
))
485 do_free_upto(cmsbio
, dcont
);
487 BIO_free_all(cmsbio
);
490 if (tmpout
&& out
!= tmpout
)
491 BIO_free_all(tmpout
);
494 sk_X509_pop_free(cms_certs
, X509_free
);
496 sk_X509_CRL_pop_free(crls
, X509_CRL_free
);
501 int CMS_verify_receipt(CMS_ContentInfo
*rcms
, CMS_ContentInfo
*ocms
,
502 STACK_OF(X509
) *certs
,
503 X509_STORE
*store
, unsigned int flags
)
506 flags
&= ~(CMS_DETACHED
|CMS_TEXT
);
507 r
= CMS_verify(rcms
, certs
, store
, NULL
, NULL
, flags
);
510 return cms_Receipt_verify(rcms
, ocms
);
513 CMS_ContentInfo
*CMS_sign(X509
*signcert
, EVP_PKEY
*pkey
, STACK_OF(X509
) *certs
,
514 BIO
*data
, unsigned int flags
)
516 CMS_ContentInfo
*cms
;
519 cms
= CMS_ContentInfo_new();
520 if (!cms
|| !CMS_SignedData_init(cms
))
523 if (pkey
&& !CMS_add1_signer(cms
, signcert
, pkey
, NULL
, flags
))
525 CMSerr(CMS_F_CMS_SIGN
, CMS_R_ADD_SIGNER_ERROR
);
529 for (i
= 0; i
< sk_X509_num(certs
); i
++)
531 X509
*x
= sk_X509_value(certs
, i
);
532 if (!CMS_add1_cert(cms
, x
))
536 if(!(flags
& CMS_DETACHED
))
537 CMS_set_detached(cms
, 0);
539 if ((flags
& (CMS_STREAM
|CMS_PARTIAL
))
540 || CMS_final(cms
, data
, NULL
, flags
))
546 CMSerr(CMS_F_CMS_SIGN
, ERR_R_MALLOC_FAILURE
);
550 CMS_ContentInfo_free(cms
);
554 CMS_ContentInfo
*CMS_sign_receipt(CMS_SignerInfo
*si
,
555 X509
*signcert
, EVP_PKEY
*pkey
,
556 STACK_OF(X509
) *certs
,
559 CMS_SignerInfo
*rct_si
;
560 CMS_ContentInfo
*cms
= NULL
;
561 ASN1_OCTET_STRING
**pos
, *os
;
562 BIO
*rct_cont
= NULL
;
565 flags
&= ~(CMS_STREAM
|CMS_TEXT
);
566 /* Not really detached but avoids content being allocated */
567 flags
|= CMS_PARTIAL
|CMS_BINARY
|CMS_DETACHED
;
568 if (!pkey
|| !signcert
)
570 CMSerr(CMS_F_CMS_SIGN_RECEIPT
, CMS_R_NO_KEY_OR_CERT
);
574 /* Initialize signed data */
576 cms
= CMS_sign(NULL
, NULL
, certs
, NULL
, flags
);
580 /* Set inner content type to signed receipt */
581 if (!CMS_set1_eContentType(cms
, OBJ_nid2obj(NID_id_smime_ct_receipt
)))
584 rct_si
= CMS_add1_signer(cms
, signcert
, pkey
, NULL
, flags
);
587 CMSerr(CMS_F_CMS_SIGN_RECEIPT
, CMS_R_ADD_SIGNER_ERROR
);
591 os
= cms_encode_Receipt(si
);
596 /* Set content to digest */
597 rct_cont
= BIO_new_mem_buf(os
->data
, os
->length
);
601 /* Add msgSigDigest attribute */
603 if (!cms_msgSigDigest_add1(rct_si
, si
))
606 /* Finalize structure */
607 if (!CMS_final(cms
, rct_cont
, NULL
, flags
))
610 /* Set embedded content */
611 pos
= CMS_get0_content(cms
);
621 CMS_ContentInfo_free(cms
);
626 CMS_ContentInfo
*CMS_encrypt(STACK_OF(X509
) *certs
, BIO
*data
,
627 const EVP_CIPHER
*cipher
, unsigned int flags
)
629 CMS_ContentInfo
*cms
;
632 cms
= CMS_EnvelopedData_create(cipher
);
635 for (i
= 0; i
< sk_X509_num(certs
); i
++)
637 recip
= sk_X509_value(certs
, i
);
638 if (!CMS_add1_recipient_cert(cms
, recip
, flags
))
640 CMSerr(CMS_F_CMS_ENCRYPT
, CMS_R_RECIPIENT_ERROR
);
645 if(!(flags
& CMS_DETACHED
))
646 CMS_set_detached(cms
, 0);
648 if ((flags
& (CMS_STREAM
|CMS_PARTIAL
))
649 || CMS_final(cms
, data
, NULL
, flags
))
655 CMSerr(CMS_F_CMS_ENCRYPT
, ERR_R_MALLOC_FAILURE
);
658 CMS_ContentInfo_free(cms
);
662 static int cms_kari_set1_pkey(CMS_ContentInfo
*cms
, CMS_RecipientInfo
*ri
,
663 EVP_PKEY
*pk
, X509
*cert
)
666 STACK_OF(CMS_RecipientEncryptedKey
) *reks
;
667 CMS_RecipientEncryptedKey
*rek
;
668 reks
= CMS_RecipientInfo_kari_get0_reks(ri
);
671 for (i
= 0; i
< sk_CMS_RecipientEncryptedKey_num(reks
); i
++)
674 rek
= sk_CMS_RecipientEncryptedKey_value(reks
, i
);
675 if (CMS_RecipientEncryptedKey_cert_cmp(rek
, cert
))
677 CMS_RecipientInfo_kari_set0_pkey(ri
, pk
);
678 rv
= CMS_RecipientInfo_kari_decrypt(cms
, ri
, rek
);
679 CMS_RecipientInfo_kari_set0_pkey(ri
, NULL
);
687 int CMS_decrypt_set1_pkey(CMS_ContentInfo
*cms
, EVP_PKEY
*pk
, X509
*cert
)
689 STACK_OF(CMS_RecipientInfo
) *ris
;
690 CMS_RecipientInfo
*ri
;
693 ris
= CMS_get0_RecipientInfos(cms
);
695 debug
= cms
->d
.envelopedData
->encryptedContentInfo
->debug
;
696 ri_type
= cms_pkey_get_ri_type(pk
);
697 if (ri_type
== CMS_RECIPINFO_NONE
)
699 CMSerr(CMS_F_CMS_DECRYPT_SET1_PKEY
,
700 CMS_R_NOT_SUPPORTED_FOR_THIS_KEY_TYPE
);
704 for (i
= 0; i
< sk_CMS_RecipientInfo_num(ris
); i
++)
706 ri
= sk_CMS_RecipientInfo_value(ris
, i
);
707 if (CMS_RecipientInfo_type(ri
) != ri_type
)
709 if (ri_type
== CMS_RECIPINFO_AGREE
)
711 r
= cms_kari_set1_pkey(cms
, ri
, pk
, cert
);
717 /* If we have a cert try matching RecipientInfo
718 * otherwise try them all.
720 else if (!cert
|| !CMS_RecipientInfo_ktri_cert_cmp(ri
, cert
))
722 CMS_RecipientInfo_set0_pkey(ri
, pk
);
723 r
= CMS_RecipientInfo_decrypt(cms
, ri
);
724 CMS_RecipientInfo_set0_pkey(ri
, NULL
);
727 /* If not debugging clear any error and
728 * return success to avoid leaking of
729 * information useful to MMA
738 CMSerr(CMS_F_CMS_DECRYPT_SET1_PKEY
,
739 CMS_R_DECRYPT_ERROR
);
742 /* If no cert and not debugging don't leave loop
743 * after first successful decrypt. Always attempt
744 * to decrypt all recipients to avoid leaking timing
745 * of a successful decrypt.
747 else if (r
> 0 && debug
)
751 /* If no cert and not debugging always return success */
758 CMSerr(CMS_F_CMS_DECRYPT_SET1_PKEY
, CMS_R_NO_MATCHING_RECIPIENT
);
763 int CMS_decrypt_set1_key(CMS_ContentInfo
*cms
,
764 unsigned char *key
, size_t keylen
,
765 unsigned char *id
, size_t idlen
)
767 STACK_OF(CMS_RecipientInfo
) *ris
;
768 CMS_RecipientInfo
*ri
;
770 ris
= CMS_get0_RecipientInfos(cms
);
771 for (i
= 0; i
< sk_CMS_RecipientInfo_num(ris
); i
++)
773 ri
= sk_CMS_RecipientInfo_value(ris
, i
);
774 if (CMS_RecipientInfo_type(ri
) != CMS_RECIPINFO_KEK
)
777 /* If we have an id try matching RecipientInfo
778 * otherwise try them all.
780 if (!id
|| (CMS_RecipientInfo_kekri_id_cmp(ri
, id
, idlen
) == 0))
782 CMS_RecipientInfo_set0_key(ri
, key
, keylen
);
783 r
= CMS_RecipientInfo_decrypt(cms
, ri
);
784 CMS_RecipientInfo_set0_key(ri
, NULL
, 0);
789 CMSerr(CMS_F_CMS_DECRYPT_SET1_KEY
,
790 CMS_R_DECRYPT_ERROR
);
797 CMSerr(CMS_F_CMS_DECRYPT_SET1_KEY
, CMS_R_NO_MATCHING_RECIPIENT
);
802 int CMS_decrypt_set1_password(CMS_ContentInfo
*cms
,
803 unsigned char *pass
, ossl_ssize_t passlen
)
805 STACK_OF(CMS_RecipientInfo
) *ris
;
806 CMS_RecipientInfo
*ri
;
808 ris
= CMS_get0_RecipientInfos(cms
);
809 for (i
= 0; i
< sk_CMS_RecipientInfo_num(ris
); i
++)
811 ri
= sk_CMS_RecipientInfo_value(ris
, i
);
812 if (CMS_RecipientInfo_type(ri
) != CMS_RECIPINFO_PASS
)
814 CMS_RecipientInfo_set0_password(ri
, pass
, passlen
);
815 r
= CMS_RecipientInfo_decrypt(cms
, ri
);
816 CMS_RecipientInfo_set0_password(ri
, NULL
, 0);
821 CMSerr(CMS_F_CMS_DECRYPT_SET1_PASSWORD
, CMS_R_NO_MATCHING_RECIPIENT
);
826 int CMS_decrypt(CMS_ContentInfo
*cms
, EVP_PKEY
*pk
, X509
*cert
,
827 BIO
*dcont
, BIO
*out
,
832 if (OBJ_obj2nid(CMS_get0_type(cms
)) != NID_pkcs7_enveloped
)
834 CMSerr(CMS_F_CMS_DECRYPT
, CMS_R_TYPE_NOT_ENVELOPED_DATA
);
837 if (!dcont
&& !check_content(cms
))
839 if (flags
& CMS_DEBUG_DECRYPT
)
840 cms
->d
.envelopedData
->encryptedContentInfo
->debug
= 1;
842 cms
->d
.envelopedData
->encryptedContentInfo
->debug
= 0;
843 if (!pk
&& !cert
&& !dcont
&& !out
)
845 if (pk
&& !CMS_decrypt_set1_pkey(cms
, pk
, cert
))
847 cont
= CMS_dataInit(cms
, dcont
);
850 r
= cms_copy_content(out
, cont
, flags
);
851 do_free_upto(cont
, dcont
);
855 int CMS_final(CMS_ContentInfo
*cms
, BIO
*data
, BIO
*dcont
, unsigned int flags
)
859 if (!(cmsbio
= CMS_dataInit(cms
, dcont
)))
861 CMSerr(CMS_F_CMS_FINAL
,ERR_R_MALLOC_FAILURE
);
865 SMIME_crlf_copy(data
, cmsbio
, flags
);
867 (void)BIO_flush(cmsbio
);
870 if (!CMS_dataFinal(cms
, cmsbio
))
872 CMSerr(CMS_F_CMS_FINAL
,CMS_R_CMS_DATAFINAL_ERROR
);
879 do_free_upto(cmsbio
, dcont
);
887 int CMS_uncompress(CMS_ContentInfo
*cms
, BIO
*dcont
, BIO
*out
,
892 if (OBJ_obj2nid(CMS_get0_type(cms
)) != NID_id_smime_ct_compressedData
)
894 CMSerr(CMS_F_CMS_UNCOMPRESS
,
895 CMS_R_TYPE_NOT_COMPRESSED_DATA
);
899 if (!dcont
&& !check_content(cms
))
902 cont
= CMS_dataInit(cms
, dcont
);
905 r
= cms_copy_content(out
, cont
, flags
);
906 do_free_upto(cont
, dcont
);
910 CMS_ContentInfo
*CMS_compress(BIO
*in
, int comp_nid
, unsigned int flags
)
912 CMS_ContentInfo
*cms
;
914 comp_nid
= NID_zlib_compression
;
915 cms
= cms_CompressedData_create(comp_nid
);
919 if(!(flags
& CMS_DETACHED
))
920 CMS_set_detached(cms
, 0);
922 if ((flags
& CMS_STREAM
) || CMS_final(cms
, in
, NULL
, flags
))
925 CMS_ContentInfo_free(cms
);
931 int CMS_uncompress(CMS_ContentInfo
*cms
, BIO
*dcont
, BIO
*out
,
934 CMSerr(CMS_F_CMS_UNCOMPRESS
, CMS_R_UNSUPPORTED_COMPRESSION_ALGORITHM
);
938 CMS_ContentInfo
*CMS_compress(BIO
*in
, int comp_nid
, unsigned int flags
)
940 CMSerr(CMS_F_CMS_COMPRESS
, CMS_R_UNSUPPORTED_COMPRESSION_ALGORITHM
);