AppleCSPDL/SSFactory.cpp

   1 /*
   2  * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved.
   3  *
   4  * The contents of this file constitute Original Code as defined in and are
   5  * subject to the Apple Public Source License Version 1.2 (the 'License').
   6  * You may not use this file except in compliance with the License. Please obtain
   7  * a copy of the License at http://www.apple.com/publicsource and read it before
   8  * using this file.
   9  *
  10  * This Original Code and all software distributed under the License are
  11  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
  12  * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
  13  * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
  14  * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
  15  * specific language governing rights and limitations under the License.
  16  */
  17
  18
  19 //
  20 // SSFactory -- The factory for Security Server context objects
  21 //
  22 #include "SSFactory.h"
  23
  24 #include "SSContext.h"
  25
  26
  27 //
  28 // SSFactory -- The factory for Security Server context objects
  29 //
  30 bool SSFactory::setup(SSCSPSession &session, CSPFullPluginSession::CSPContext * &cspCtx,
  31                                           const Context &context, bool encoding)
  32 {
  33         if (cspCtx)
  34                 return false;   // not ours or already set
  35
  36         switch (context.type())
  37         {
  38         case CSSM_ALGCLASS_SIGNATURE:
  39         case CSSM_ALGCLASS_MAC:
  40                 cspCtx = encoding ? new SSSignContext(session) : new SSVerifyContext(session);
  41                 return true;
  42         case CSSM_ALGCLASS_SYMMETRIC:
  43         case CSSM_ALGCLASS_ASYMMETRIC:
  44                 cspCtx = new SSCryptContext(session); // @@@ Could also be wrap/unwrap
  45                 return true;
  46         case CSSM_ALGCLASS_RANDOMGEN:
  47                 cspCtx = new SSRandomContext(session); // @@@ Should go.
  48                 return true;
  49         }
  50
  51         return false;
  52
  53 #if 0
  54         /* FIXME - qualify by ALGCLASS as well to avoid MAC */
  55         switch (context.algorithm()) {
  56         case CSSM_ALGID_MD5:
  57                 cspCtx = new MD5Context(session);
  58                 return true;
  59         case CSSM_ALGID_SHA1:
  60                 cspCtx = new SHA1Context(session);
  61                 return true;
  62         }
  63         return false;
  64
  65     if (ctx)
  66         CssmError::throwMe(CSSM_ERRCODE_INTERNAL_ERROR);        // won't support re-definition
  67     switch (context.algorithm()) {
  68         case CSSM_ALGID_ROTTY_ROT_16:
  69             ctx = new SSContext(16);
  70             return true;
  71         case CSSM_ALGID_ROTTY_ROT_37:
  72             ctx = new SSContext(37);
  73             return true;
  74     }
  75 #endif
  76     return false;
  77 }