libsecurity_smime/lib/SecCmsEnvelopedData.h

   1 /*
   2  *  Copyright (c) 2004,2008,2010 Apple Inc. All Rights Reserved.
   3  *
   4  *  @APPLE_LICENSE_HEADER_START@
   5  *
   6  *  This file contains Original Code and/or Modifications of Original Code
   7  *  as defined in and that are subject to the Apple Public Source License
   8  *  Version 2.0 (the 'License'). You may not use this file except in
   9  *  compliance with the License. Please obtain a copy of the License at
  10  *  http://www.opensource.apple.com/apsl/ and read it before using this
  11  *  file.
  12  *
  13  *  The Original Code and all software distributed under the License are
  14  *  distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  *  EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  *  INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  *  FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  *  Please see the License for the specific language governing rights and
  19  *  limitations under the License.
  20  *
  21  *  @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24 /*!
  25     @header SecCmsEnvelopedData.h
  26     @Copyright (c) 2004,2008,2010 Apple Inc. All Rights Reserved.
  27
  28     @availability 10.4 and later
  29     @abstract Interfaces of the CMS implementation.
  30     @discussion The functions here implement functions for encoding
  31                 and decoding Cryptographic Message Syntax (CMS) objects
  32                 as described in rfc3369.
  33  */
  34
  35 #ifndef _SECURITY_SECCMSENVELOPEDDATA_H_
  36 #define _SECURITY_SECCMSENVELOPEDDATA_H_  1
  37
  38 #include <Security/SecCmsBase.h>
  39
  40
  41 #if defined(__cplusplus)
  42 extern "C" {
  43 #endif
  44
  45
  46 /*!
  47      @function
  48      @abstract Create an enveloped data message.
  49  */
  50 extern SecCmsEnvelopedDataRef
  51 SecCmsEnvelopedDataCreate(SecCmsMessageRef cmsg, SECOidTag algorithm, int keysize);
  52
  53 /*!
  54     @function
  55     @abstract Destroy an enveloped data message.
  56  */
  57 extern void
  58 SecCmsEnvelopedDataDestroy(SecCmsEnvelopedDataRef edp);
  59
  60 /*!
  61     @function
  62     @abstract Return pointer to this envelopedData's contentinfo.
  63  */
  64 extern SecCmsContentInfoRef
  65 SecCmsEnvelopedDataGetContentInfo(SecCmsEnvelopedDataRef envd);
  66
  67 #if defined(__cplusplus)
  68 }
  69 #endif
  70
  71 #endif /* _SECURITY_SECCMSENVELOPEDDATA_H_ */