1 /* ----------------------------------------------------------------------------
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2 * ATMEL Microcontroller Software Support
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3 * ----------------------------------------------------------------------------
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4 * Copyright (c) 2008, Atmel Corporation
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6 * All rights reserved.
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8 * Redistribution and use in source and binary forms, with or without
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9 * modification, are permitted provided that the following conditions are met:
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11 * - Redistributions of source code must retain the above copyright notice,
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12 * this list of conditions and the disclaimer below.
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14 * Atmel's name may not be used to endorse or promote products derived from
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15 * this software without specific prior written permission.
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17 * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
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18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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20 * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
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21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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23 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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24 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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25 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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26 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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27 * ----------------------------------------------------------------------------
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33 //------------------------------------------------------------------------------
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38 /// Methods to manage the Triple DES (3DES)
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42 /// -# Configure TDES
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43 /// -# Sets the key used by the TDES algorithm
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44 /// -# Sets the input data of the TDES algorithm
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45 /// -# Starts the encryption/decryption process
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46 /// -# Stores the result of the last TDES operation
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48 //------------------------------------------------------------------------------
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50 //------------------------------------------------------------------------------
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52 //------------------------------------------------------------------------------
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54 extern void TDES_Configure(
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55 unsigned char cipher,
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56 unsigned int tdesmod,
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57 unsigned int keymod,
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59 unsigned int opmod);
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61 extern void TDES_Start(void);
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63 extern unsigned int TDES_GetStatus(void);
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65 extern void TDES_SetKeys(
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66 const unsigned int *pKey1,
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67 const unsigned int *pKey2,
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68 const unsigned int *pKey3);
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70 extern void TDES_SetInputData(const unsigned int *pInput);
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72 extern void TDES_SetInputBuffer(const unsigned int *pInput, unsigned int size);
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74 extern void TDES_GetOutputData(unsigned int *pOutput);
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76 extern void TDES_SetOutputBuffer(unsigned int *pOutput, unsigned int size);
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78 extern void TDES_SetVector(const unsigned int *pVector);
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80 #endif //#ifndef TDES_H
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