1
/* crypto/cms/cms_cd.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/bio.h>
61
#include <openssl/comp.h>
64
DECLARE_ASN1_ITEM(CMS_CompressedData)
68
/* CMS CompressedData Utilities */
70
CMS_ContentInfo *cms_CompressedData_create(int comp_nid)
73
CMS_CompressedData *cd;
74
/* Will need something cleverer if there is ever more than one
75
* compression algorithm or parameters have some meaning...
77
if (comp_nid != NID_zlib_compression)
79
CMSerr(CMS_F_CMS_COMPRESSEDDATA_CREATE,
80
CMS_R_UNSUPPORTED_COMPRESSION_ALGORITHM);
83
cms = CMS_ContentInfo_new();
87
cd = M_ASN1_new_of(CMS_CompressedData);
92
cms->contentType = OBJ_nid2obj(NID_id_smime_ct_compressedData);
93
cms->d.compressedData = cd;
97
X509_ALGOR_set0(cd->compressionAlgorithm,
98
OBJ_nid2obj(NID_zlib_compression),
101
cd->encapContentInfo->eContentType = OBJ_nid2obj(NID_pkcs7_data);
108
CMS_ContentInfo_free(cms);
113
BIO *cms_CompressedData_init_bio(CMS_ContentInfo *cms)
115
CMS_CompressedData *cd;
116
ASN1_OBJECT *compoid;
117
if (OBJ_obj2nid(cms->contentType) != NID_id_smime_ct_compressedData)
119
CMSerr(CMS_F_CMS_COMPRESSEDDATA_INIT_BIO,
120
CMS_R_CONTENT_TYPE_NOT_COMPRESSED_DATA);
123
cd = cms->d.compressedData;
124
X509_ALGOR_get0(&compoid, NULL, NULL, cd->compressionAlgorithm);
125
if (OBJ_obj2nid(compoid) != NID_zlib_compression)
127
CMSerr(CMS_F_CMS_COMPRESSEDDATA_INIT_BIO,
128
CMS_R_UNSUPPORTED_COMPRESSION_ALGORITHM);
131
return BIO_new(BIO_f_zlib());