Security-55163.44.tar.gz

[apple/security.git] / libsecurity_sd_cspdl / lib / SDFactory.cpp

diff --git a/libsecurity_sd_cspdl/lib/SDFactory.cpp b/libsecurity_sd_cspdl/lib/SDFactory.cpp
new file mode 100644 (file)
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+++ b/libsecurity_sd_cspdl/lib/SDFactory.cpp
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2004 Apple Computer, Inc. All Rights Reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ * 
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+
+//
+// SDFactory -- The factory for Security Server context objects
+//
+#include "SDFactory.h"
+
+#include "SDContext.h"
+
+
+//
+// SDFactory -- The factory for Security Server context objects
+//
+bool SDFactory::setup(SDCSPSession &session, CSPFullPluginSession::CSPContext * &cspCtx,
+                                         const Context &context, bool encoding)
+{
+       if (cspCtx)
+               return false;   // not ours or already set
+
+       switch (context.type())
+       {
+       case CSSM_ALGCLASS_SIGNATURE:
+               cspCtx = new SDSignatureContext(session);
+               return true;
+       case CSSM_ALGCLASS_MAC:
+               cspCtx = new SDMACContext(session);
+               return true;
+       case CSSM_ALGCLASS_DIGEST:
+               cspCtx = new SDDigestContext(session);
+               return true;
+       case CSSM_ALGCLASS_SYMMETRIC:
+       case CSSM_ALGCLASS_ASYMMETRIC:
+               cspCtx = new SDCryptContext(session); // @@@ Could also be wrap/unwrap
+               return true;
+       case CSSM_ALGCLASS_RANDOMGEN:
+               cspCtx = new SDRandomContext(session); // @@@ Should go.
+               return true;
+       }
+
+       return false;
+
+#if 0
+       /* FIXME - qualify by ALGCLASS as well to avoid MAC */
+       switch (context.algorithm()) {
+       case CSSM_ALGID_MD5:
+               cspCtx = new MD5Context(session);
+               return true;
+       case CSSM_ALGID_SHA1:
+               cspCtx = new SHA1Context(session);
+               return true;
+       }
+       return false;
+
+    if (ctx)
+        CssmError::throwMe(CSSM_ERRCODE_INTERNAL_ERROR);       // won't support re-definition
+    switch (context.algorithm()) {
+        case CSSM_ALGID_ROTTY_ROT_16:
+            ctx = new SDContext(16);
+            return true;
+        case CSSM_ALGID_ROTTY_ROT_37:
+            ctx = new SDContext(37);
+            return true;
+    }
+#endif
+    return false;
+}