Security-55163.44.tar.gz

[apple/security.git] / libsecurity_apple_csp / lib / DH_csp.cpp

diff --git a/libsecurity_apple_csp/lib/DH_csp.cpp b/libsecurity_apple_csp/lib/DH_csp.cpp
new file mode 100644 (file)
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+++ b/libsecurity_apple_csp/lib/DH_csp.cpp
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+/*
+ * 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.
+ */
+
+
+/*
+ * DH_csp.cpp - Diffie-Hellman Algorithm factory
+ */
+ 
+#include "DH_csp.h"
+#include "DH_keys.h"
+#include <Security/cssmapple.h>
+
+Allocator *DH_Factory::normAllocator;
+Allocator *DH_Factory::privAllocator;
+
+DH_Factory::DH_Factory(Allocator *normAlloc, Allocator *privAlloc)
+{
+       setNormAllocator(normAlloc);
+       setPrivAllocator(privAlloc);
+       
+       /* NOTE WELL we assume that the RSA_DSA factory has already been instantitated, 
+        * doing the basic init of openssl */
+        
+       ERR_load_DH_strings();
+}
+
+DH_Factory::~DH_Factory()
+{
+}
+
+bool DH_Factory::setup(
+       AppleCSPSession &session,       
+       CSPFullPluginSession::CSPContext * &cspCtx, 
+       const Context &context)
+{
+       switch(context.type()) {
+               case CSSM_ALGCLASS_KEYGEN:
+                       switch(context.algorithm()) {
+                               case CSSM_ALGID_DH:
+                                       if(cspCtx == NULL) {
+                                               cspCtx = new DHKeyPairGenContext(session, context);
+                                       }
+                                       return true;
+                               default:
+                                       break;
+                       }
+                       break;          
+
+               default:
+                       break;
+       }
+       /* not implemented here */
+       return false;
+}
+
+
+