Security-57031.1.35.tar.gz

[apple/security.git] / Security / libsecurity_apple_csp / lib / DH_csp.h

diff --git a/Security/libsecurity_apple_csp/lib/DH_csp.h b/Security/libsecurity_apple_csp/lib/DH_csp.h
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+/*
+ * Copyright (c) 2000-2001,2011,2014 Apple 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.h - Diffie-Hellman Algorithm factory
+ */
+ 
+#ifndef        _DH_CSP_H_
+#define _DH_CSP_H_
+
+#include <security_cdsa_plugin/CSPsession.h>
+#include <AppleCSP.h>
+
+/* Can't include AppleCSPSession.h due to circular dependency */
+class AppleCSPSession;
+
+class DH_Factory : public AppleCSPAlgorithmFactory {
+public:
+    DH_Factory(Allocator *normAlloc = NULL, Allocator *privAlloc = NULL);
+       ~DH_Factory();
+       
+    bool setup(
+               AppleCSPSession &session,
+               CSPFullPluginSession::CSPContext * &cspCtx, 
+               const Context &context);
+
+    static void setNormAllocator(Allocator *alloc)
+    { assert(!normAllocator); normAllocator = alloc; }
+    static void setPrivAllocator(Allocator *alloc)
+    { assert(!privAllocator); privAllocator = alloc; }
+
+    // memory allocators
+    static Allocator *normAllocator;
+    static Allocator *privAllocator;
+    
+};
+
+#endif /* _DH_CSP_H_ */