Security-55163.44.tar.gz

[apple/security.git] / libsecurity_apple_csp / lib / rc5Context.h

diff --git a/libsecurity_apple_csp/lib/rc5Context.h b/libsecurity_apple_csp/lib/rc5Context.h
new file mode 100644 (file)
index 0000000..423dca5
--- /dev/null
+++ b/libsecurity_apple_csp/lib/rc5Context.h
@@ -0,0 +1,57 @@
+/*
+ * 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.
+ */
+
+
+/*
+ * rc5Context.h - glue between BlockCrytpor and ssleay RC5 implementation
+ * Written by Doug Mitchell 4/3/2001
+ */
+#ifndef _RC5_CONTEXT_H_
+#define _RC5_CONTEXT_H_
+
+#include <BlockCryptor.h>
+#include <openssl/rc5.h>
+
+class RC5Context : public BlockCryptor {
+public:
+       RC5Context(AppleCSPSession &session) :
+               BlockCryptor(session)   { }
+       ~RC5Context();
+       
+       // called by CSPFullPluginSession
+       void init(const Context &context, bool encoding = true);
+
+       // called by BlockCryptor
+       void encryptBlock(
+               const void              *plainText,                     // length implied (one block)
+               size_t                  plainTextLen,
+               void                    *cipherText,    
+               size_t                  &cipherTextLen,         // in/out, throws on overflow
+               bool                    final);
+       void decryptBlock(
+               const void              *cipherText,            // length implied (one cipher block)
+               size_t                  cipherTextLen,
+               void                    *plainText,     
+               size_t                  &plainTextLen,          // in/out, throws on overflow
+               bool                    final);
+       
+private:
+       RC5_32_KEY                      rc5Key;
+       
+};     /* RC5Context */
+
+#endif //_RC2_CONTEXT_H_