Security-55163.44.tar.gz

[apple/security.git] / libsecurity_apple_cspdl / lib / SSFactory.cpp

diff --git a/libsecurity_apple_cspdl/lib/SSFactory.cpp b/libsecurity_apple_cspdl/lib/SSFactory.cpp
new file mode 100644 (file)
index 0000000..93f0dca
--- /dev/null
+++ b/libsecurity_apple_cspdl/lib/SSFactory.cpp
@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved.
+ * 
+ * The contents of this file constitute Original Code as defined in and are
+ * subject to the Apple Public Source License Version 1.2 (the 'License').
+ * You may not use this file except in compliance with the License. Please obtain
+ * a copy of the License at http://www.apple.com/publicsource and read it before
+ * using this file.
+ * 
+ * This 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.
+ */
+
+
+//
+// SSFactory -- The factory for Security Server context objects
+//
+#include "SSFactory.h"
+
+#include "SSContext.h"
+
+
+//
+// SSFactory -- The factory for Security Server context objects
+//
+bool SSFactory::setup(SSCSPSession &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 SSSignatureContext(session);
+               return true;
+       case CSSM_ALGCLASS_MAC:
+               cspCtx = new SSMACContext(session);
+               return true;
+       case CSSM_ALGCLASS_DIGEST:
+               cspCtx = new SSDigestContext(session);
+               return true;
+       case CSSM_ALGCLASS_SYMMETRIC:
+       case CSSM_ALGCLASS_ASYMMETRIC:
+               cspCtx = new SSCryptContext(session); // @@@ Could also be wrap/unwrap
+               return true;
+       case CSSM_ALGCLASS_RANDOMGEN:
+               cspCtx = new SSRandomContext(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 SSContext(16);
+            return true;
+        case CSSM_ALGID_ROTTY_ROT_37:
+            ctx = new SSContext(37);
+            return true;
+    }
+#endif
+    return false;
+}