OSX/libsecurity_transform/lib/SecEncryptTransform.cpp

   1 /*
   2  * Copyright (c) 2010-2011 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 #include "SecEncryptTransform.h"
  25 #include "EncryptTransform.h"
  26
  27 /* --------------------------------------------------------------------------
  28  Create the declared CFStringRefs
  29  -------------------------------------------------------------------------- */
  30
  31 const CFStringRef __nonnull kSecPaddingNoneKey = CFSTR("SecPaddingNoneKey");
  32 const CFStringRef __nonnull kSecPaddingPKCS1Key = CFSTR("SecPaddingPKCS1Key");
  33 const CFStringRef __nonnull kSecPaddingPKCS5Key = CFSTR("SecPaddingPKCS5Key");
  34 const CFStringRef __nonnull kSecPaddingPKCS7Key = CFSTR("SecPaddingPKCS7Key");
  35 const CFStringRef __nonnull kSecPaddingOAEPKey = CFSTR("OAEPPadding");
  36 const CFStringRef __nonnull kSecOAEPMGF1DigestAlgorithmAttributeName = CFSTR("OAEPMGF1DigestAlgo");
  37
  38 const CFStringRef __nonnull kSecModeNoneKey = CFSTR("SecModeNoneKey");
  39 const CFStringRef __nonnull kSecModeECBKey = CFSTR("SecModeECBKey");
  40 const CFStringRef __nonnull kSecModeCBCKey = CFSTR("SecModeCBCKey");
  41 const CFStringRef __nonnull kSecModeCFBKey = CFSTR("SecModeCFBKey");
  42 const CFStringRef __nonnull kSecModeOFBKey = CFSTR("SecModeOFBKey");
  43
  44 const CFStringRef __nonnull kSecOAEPMessageLengthAttributeName = CFSTR("OAEPMessageLength");
  45 const CFStringRef __nonnull kSecOAEPEncodingParametersAttributeName = CFSTR("OAEPEncodingParameters");
  46
  47 const CFStringRef __nonnull kSecEncryptKey = CFSTR("SecEncryptKey");
  48 const CFStringRef __nonnull kSecPaddingKey = CFSTR("SecPaddingKey");
  49 const CFStringRef __nonnull kSecIVKey = CFSTR("SecIVKey");
  50 const CFStringRef __nonnull kSecEncryptionMode = CFSTR("SecEncryptionMode");
  51
  52
  53 SecTransformRef SecEncryptTransformCreate(SecKeyRef keyRef, CFErrorRef* error)
  54 {
  55         SecTransformRef etRef = EncryptTransform::Make();
  56         EncryptTransform* et = (EncryptTransform*) CoreFoundationHolder::ObjectFromCFType(etRef);
  57         if (et->InitializeObject(keyRef, error))
  58         {
  59                 return etRef;
  60         }
  61         else
  62         {
  63
  64                 CFRelease(etRef);
  65                 return NULL;
  66         }
  67 }
  68
  69
  70 CFTypeID SecEncryptTransformGetTypeID()
  71 {
  72         return Transform::GetCFTypeID();
  73 }
  74
  75 SecTransformRef SecDecryptTransformCreate(SecKeyRef keyRef, CFErrorRef* error)
  76 {
  77
  78         SecTransformRef dtRef = DecryptTransform::Make();
  79         DecryptTransform* dt = (DecryptTransform*) CoreFoundationHolder::ObjectFromCFType(dtRef);
  80         if (dt->InitializeObject(keyRef, error))
  81         {
  82                 return dtRef;
  83         }
  84         else
  85         {
  86                 CFRelease(dtRef);
  87                 return NULL;
  88         }
  89 }
  90
  91 CFTypeID SecDecryptTransformGetTypeID()
  92 {
  93         return Transform::GetCFTypeID();
  94 }