| /* ---------------------------------------------------------------------------- | |
| * 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 | |
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| * ---------------------------------------------------------------------------- | |
| */ | |
| #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 |