93 lines
3.2 KiB
C
93 lines
3.2 KiB
C
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/*************************************************************************************************/
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/*!
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* \file calc128.c
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*
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* \brief 128-bit integer utilities.
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*
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* $Date: 2016-12-28 16:12:14 -0600 (Wed, 28 Dec 2016) $
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* $Revision: 10805 $
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*
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* Copyright (c) 2010-2017 ARM Ltd., all rights reserved.
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* ARM Ltd. confidential and proprietary.
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*
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* IMPORTANT. Your use of this file is governed by a Software License Agreement
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* ("Agreement") that must be accepted in order to download or otherwise receive a
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* copy of this file. You may not use or copy this file for any purpose other than
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* as described in the Agreement. If you do not agree to all of the terms of the
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* Agreement do not use this file and delete all copies in your possession or control;
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* if you do not have a copy of the Agreement, you must contact ARM Ltd. prior
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* to any use, copying or further distribution of this software.
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*/
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/*************************************************************************************************/
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#include <string.h>
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#include "wsf_types.h"
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#include "calc128.h"
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/**************************************************************************************************
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Global Variables
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**************************************************************************************************/
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/* 128-bit zero value */
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const uint8_t calc128Zeros[CALC128_LEN] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
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/**************************************************************************************************
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Function Declarations
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**************************************************************************************************/
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/*************************************************************************************************/
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/*!
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* \fn Calc128Cpy
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*
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* \brief Copy a 128-bit integer from source to destination.
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*
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* \param pDst Pointer to destination.
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* \param pSrc Pointer to source.
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*
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* \return None.
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*/
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/*************************************************************************************************/
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void Calc128Cpy(uint8_t *pDst, uint8_t *pSrc)
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{
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memcpy(pDst, pSrc, CALC128_LEN);
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}
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/*************************************************************************************************/
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/*!
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* \fn Calc128Cpy64
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*
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* \brief Copy a 64-bit integer from source to destination.
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*
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* \param pDst Pointer to destination.
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* \param pSrc Pointer to source.
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*
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* \return None.
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*/
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/*************************************************************************************************/
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void Calc128Cpy64(uint8_t *pDst, uint8_t *pSrc)
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{
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memcpy(pDst, pSrc, CALC128_LEN/2);
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}
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/*************************************************************************************************/
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/*!
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* \fn Calc128Xor
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*
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* \brief Exclusive-or two 128-bit integers and return the result in pDst.
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*
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* \param pDst Pointer to destination.
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* \param pSrc Pointer to source.
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*
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* \return None.
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*/
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/*************************************************************************************************/
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void Calc128Xor(uint8_t *pDst, uint8_t *pSrc)
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{
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uint8_t i;
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for (i = CALC128_LEN; i > 0; i--)
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{
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*pDst++ ^= *pSrc++;
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}
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}
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