kopia lustrzana https://github.com/ryukoposting/Signal-Android
137 wiersze
4.3 KiB
C
137 wiersze
4.3 KiB
C
/* crypto/cms/cms_cd.c */
|
|
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
|
|
* project.
|
|
*/
|
|
/* ====================================================================
|
|
* Copyright (c) 2008 The OpenSSL Project. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
*
|
|
* 3. All advertising materials mentioning features or use of this
|
|
* software must display the following acknowledgment:
|
|
* "This product includes software developed by the OpenSSL Project
|
|
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
|
|
*
|
|
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
|
|
* endorse or promote products derived from this software without
|
|
* prior written permission. For written permission, please contact
|
|
* licensing@OpenSSL.org.
|
|
*
|
|
* 5. Products derived from this software may not be called "OpenSSL"
|
|
* nor may "OpenSSL" appear in their names without prior written
|
|
* permission of the OpenSSL Project.
|
|
*
|
|
* 6. Redistributions of any form whatsoever must retain the following
|
|
* acknowledgment:
|
|
* "This product includes software developed by the OpenSSL Project
|
|
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
|
|
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
|
|
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
|
|
* OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
* ====================================================================
|
|
*/
|
|
|
|
#include "cryptlib.h"
|
|
#include <openssl/asn1t.h>
|
|
#include <openssl/pem.h>
|
|
#include <openssl/x509v3.h>
|
|
#include <openssl/err.h>
|
|
#include <openssl/cms.h>
|
|
#include <openssl/bio.h>
|
|
#ifndef OPENSSL_NO_COMP
|
|
#include <openssl/comp.h>
|
|
#endif
|
|
#include "cms_lcl.h"
|
|
|
|
DECLARE_ASN1_ITEM(CMS_CompressedData)
|
|
|
|
#ifdef ZLIB
|
|
|
|
/* CMS CompressedData Utilities */
|
|
|
|
CMS_ContentInfo *cms_CompressedData_create(int comp_nid)
|
|
{
|
|
CMS_ContentInfo *cms;
|
|
CMS_CompressedData *cd;
|
|
/* Will need something cleverer if there is ever more than one
|
|
* compression algorithm or parameters have some meaning...
|
|
*/
|
|
if (comp_nid != NID_zlib_compression)
|
|
{
|
|
CMSerr(CMS_F_CMS_COMPRESSEDDATA_CREATE,
|
|
CMS_R_UNSUPPORTED_COMPRESSION_ALGORITHM);
|
|
return NULL;
|
|
}
|
|
cms = CMS_ContentInfo_new();
|
|
if (!cms)
|
|
return NULL;
|
|
|
|
cd = M_ASN1_new_of(CMS_CompressedData);
|
|
|
|
if (!cd)
|
|
goto err;
|
|
|
|
cms->contentType = OBJ_nid2obj(NID_id_smime_ct_compressedData);
|
|
cms->d.compressedData = cd;
|
|
|
|
cd->version = 0;
|
|
|
|
X509_ALGOR_set0(cd->compressionAlgorithm,
|
|
OBJ_nid2obj(NID_zlib_compression),
|
|
V_ASN1_UNDEF, NULL);
|
|
|
|
cd->encapContentInfo->eContentType = OBJ_nid2obj(NID_pkcs7_data);
|
|
|
|
return cms;
|
|
|
|
err:
|
|
|
|
if (cms)
|
|
CMS_ContentInfo_free(cms);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
BIO *cms_CompressedData_init_bio(CMS_ContentInfo *cms)
|
|
{
|
|
CMS_CompressedData *cd;
|
|
ASN1_OBJECT *compoid;
|
|
if (OBJ_obj2nid(cms->contentType) != NID_id_smime_ct_compressedData)
|
|
{
|
|
CMSerr(CMS_F_CMS_COMPRESSEDDATA_INIT_BIO,
|
|
CMS_R_CONTENT_TYPE_NOT_COMPRESSED_DATA);
|
|
return NULL;
|
|
}
|
|
cd = cms->d.compressedData;
|
|
X509_ALGOR_get0(&compoid, NULL, NULL, cd->compressionAlgorithm);
|
|
if (OBJ_obj2nid(compoid) != NID_zlib_compression)
|
|
{
|
|
CMSerr(CMS_F_CMS_COMPRESSEDDATA_INIT_BIO,
|
|
CMS_R_UNSUPPORTED_COMPRESSION_ALGORITHM);
|
|
return NULL;
|
|
}
|
|
return BIO_new(BIO_f_zlib());
|
|
}
|
|
|
|
#endif
|