OSX/libsecurity_sd_cspdl/lib/SDFactory.cpp

   1 /*
   2  * Copyright (c) 2004,2011,2014 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 //
  26 // SDFactory -- The factory for Security Server context objects
  27 //
  28 #include "SDFactory.h"
  29
  30 #include "SDContext.h"
  31
  32
  33 //
  34 // SDFactory -- The factory for Security Server context objects
  35 //
  36 bool SDFactory::setup(SDCSPSession &session, CSPFullPluginSession::CSPContext * &cspCtx,
  37                                           const Context &context, bool encoding)
  38 {
  39         if (cspCtx)
  40                 return false;   // not ours or already set
  41
  42         switch (context.type())
  43         {
  44         case CSSM_ALGCLASS_SIGNATURE:
  45                 cspCtx = new SDSignatureContext(session);
  46                 return true;
  47         case CSSM_ALGCLASS_MAC:
  48                 cspCtx = new SDMACContext(session);
  49                 return true;
  50         case CSSM_ALGCLASS_DIGEST:
  51                 cspCtx = new SDDigestContext(session);
  52                 return true;
  53         case CSSM_ALGCLASS_SYMMETRIC:
  54         case CSSM_ALGCLASS_ASYMMETRIC:
  55                 cspCtx = new SDCryptContext(session); // @@@ Could also be wrap/unwrap
  56                 return true;
  57         case CSSM_ALGCLASS_RANDOMGEN:
  58                 cspCtx = new SDRandomContext(session); // @@@ Should go.
  59                 return true;
  60         }
  61
  62         return false;
  63
  64 #if 0
  65         /* FIXME - qualify by ALGCLASS as well to avoid MAC */
  66         switch (context.algorithm()) {
  67         case CSSM_ALGID_MD5:
  68                 cspCtx = new MD5Context(session);
  69                 return true;
  70         case CSSM_ALGID_SHA1:
  71                 cspCtx = new SHA1Context(session);
  72                 return true;
  73         }
  74         return false;
  75
  76     if (ctx)
  77         CssmError::throwMe(CSSM_ERRCODE_INTERNAL_ERROR);        // won't support re-definition
  78     switch (context.algorithm()) {
  79         case CSSM_ALGID_ROTTY_ROT_16:
  80             ctx = new SDContext(16);
  81             return true;
  82         case CSSM_ALGID_ROTTY_ROT_37:
  83             ctx = new SDContext(37);
  84             return true;
  85     }
  86 #endif
  87     return false;
  88 }