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+/* ----------------------------------------------------------------------------
+ *         ATMEL Microcontroller Software Support 
+ * ----------------------------------------------------------------------------
+ * Copyright (c) 2008, Atmel Corporation
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the disclaimer below.
+ *
+ * Atmel's name may not be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
+ * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ----------------------------------------------------------------------------
+ */
+
+#ifndef TDES_H
+#define TDES_H
+
+//------------------------------------------------------------------------------
+/// \unit
+///
+/// !Purpose
+/// 
+/// Methods to manage the Triple DES (3DES)
+/// 
+/// !Usage
+///
+/// -# Configure TDES
+/// -# Sets the key used by the TDES algorithm
+/// -# Sets the input data of the TDES algorithm
+/// -# Starts the encryption/decryption process
+/// -# Stores the result of the last TDES operation
+///
+//------------------------------------------------------------------------------
+
+//------------------------------------------------------------------------------
+//         Global functions
+//------------------------------------------------------------------------------
+
+extern void TDES_Configure(
+    unsigned char cipher,
+    unsigned int tdesmod,
+    unsigned int keymod,
+    unsigned int smod,
+    unsigned int opmod);
+
+extern void TDES_Start(void);
+
+extern unsigned int TDES_GetStatus(void);
+
+extern void TDES_SetKeys(
+    const unsigned int *pKey1,
+    const unsigned int *pKey2,
+    const unsigned int *pKey3);
+
+extern void TDES_SetInputData(const unsigned int *pInput);
+
+extern void TDES_SetInputBuffer(const unsigned int *pInput, unsigned int size);
+
+extern void TDES_GetOutputData(unsigned int *pOutput);
+
+extern void TDES_SetOutputBuffer(unsigned int *pOutput, unsigned int size);
+
+extern void TDES_SetVector(const unsigned int *pVector);
+
+#endif //#ifndef TDES_H