/**
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******************************************************************************
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* @file fm33a0xxev_aes.c
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* @author FM33A0XXEV Application Team
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* @version V1.0.0
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* @date 16-April-2020
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* @brief This file provides firmware functions to manage the following
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* functionalities of....:
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*
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "fm33a0xxev_aes.h"
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/** @addtogroup fm33a0xxev_StdPeriph_Driver
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* @{
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*/
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/** @defgroup AES
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* @brief AES driver modules
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* @{
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*/
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/* AES¼ÓÃÜÃÜÔ¿³¤¶È£¬AESEN=1ʱ²»¿ÉÐ޸ġ£
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(Key Length)
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00£º128bit
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01£º192bit
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10£º256bit
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11£º±£Áô Ïà¹Øº¯Êý */
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void AES_CR_KEYLEN_Set(uint32_t SetValue)
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{
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uint32_t tmpreg;
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tmpreg = AES->CR;
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tmpreg &= ~(AES_CR_KEYLEN_Msk);
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tmpreg |= (SetValue & AES_CR_KEYLEN_Msk);
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AES->CR = tmpreg;
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}
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uint32_t AES_CR_KEYLEN_Get(void)
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{
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return (AES->CR & AES_CR_KEYLEN_Msk);
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}
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/* DMAÊý¾Ý×Ô¶¯¶Á³öʹÄÜ
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(DMA output enable)
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0£º²»¿ªÆô
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1£º¿ªÆô
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¸ÃλÖÃλºóÔÚģʽ1£¬Ä£Ê½3ºÍģʽ4ÏÂAESÄ£¿é»á×Ô¶¯²úÉúAES->RAMµÄ´«ÊäÇëÇó¡£Ä£Ê½2ϲ»»á²úÉú¡£ Ïà¹Øº¯Êý */
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void AES_CR_DMAOEN_Setable(FunState NewState)
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{
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if (NewState == ENABLE)
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{
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AES->CR |= (AES_CR_DMAOEN_Msk);
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}
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else
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{
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AES->CR &= ~(AES_CR_DMAOEN_Msk);
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}
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}
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FunState AES_CR_DMAOEN_Getable(void)
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{
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if (AES->CR & (AES_CR_DMAOEN_Msk))
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{
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return ENABLE;
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}
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else
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{
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return DISABLE;
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}
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}
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/* ¿ªÆôDMAÊý¾Ý×Ô¶¯Ð´ÈëʹÄÜ
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(DMA input enable)
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0£º²»¿ªÆô
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1£º¿ªÆô
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¸ÃλÉèÖÃΪ1ºóÔÚģʽ1£¬Ä£Ê½3ºÍģʽ4ÒÔ¼°MultHģʽÏÂAESÄ£¿é»á×Ô¶¯²úÉúRAM->AESµÄ´«ÊäÇëÇó¡£Ä£Ê½2ϲ»»á²úÉú¡£ Ïà¹Øº¯Êý */
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/* AESʹÄÜ (AES enable)
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0£º²»Ê¹ÄÜ
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1£ºÊ¹ÄÜ
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ÔÚÈκÎʱºòÇå³ýAESENλ¶¼Äܹ»¸´Î»AESÄ£¿é
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ÔÚģʽ2ϸÃλ»áÔÚÒ»´Î¼ÆËãÍê³ÉºóÓ²¼þ×Ô¶¯Çå0 Ïà¹Øº¯Êý */
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void AES_CR_DMAIEN_Setable(FunState NewState)
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{
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if (NewState == ENABLE)
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{
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AES->CR |= (AES_CR_DMAIEN_Msk);
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}
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else
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{
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AES->CR &= ~(AES_CR_DMAIEN_Msk);
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}
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}
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FunState AES_CR_DMAIEN_Getable(void)
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{
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if (AES->CR & (AES_CR_DMAIEN_Msk))
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{
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return ENABLE;
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}
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else
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{
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return DISABLE;
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}
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}
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/* AESÊý¾ÝÁ÷´¦Àíģʽ£¬AESEN=1ʱ²»¿ÉÐ޸ġ£
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(Cipher Mode)
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00£ºECB
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01£ºCBC
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10£ºCTR
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11£ºÊ¹ÓÃMultHÄ£¿é Ïà¹Øº¯Êý */
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void AES_CR_CHMOD_Set(uint32_t SetValue)
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{
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uint32_t tmpreg;
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tmpreg = AES->CR;
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tmpreg &= ~(AES_CR_CHMOD_Msk);
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tmpreg |= (SetValue & AES_CR_CHMOD_Msk);
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AES->CR = tmpreg;
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}
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uint32_t AES_CR_CHMOD_Get(void)
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{
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return (AES->CR & AES_CR_CHMOD_Msk);
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}
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/* AES¹¤×÷ģʽ£¬AESEN=1ʱ²»¿ÉÐ޸ġ£
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(operation MODE)
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00£ºÄ£Ê½1£º¼ÓÃÜ
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01£ºÄ£Ê½2£ºÃÜÔ¿À©Õ¹
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10£ºÄ£Ê½3£º½âÃÜ
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11£ºÄ£Ê½4£ºÃÜÔ¿À©Õ¹+½âÃÜ
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CTRģʽÏÂÅäÖóÉģʽ4½«×Ô¶¯½øÈëCTRµÄ½âÃÜģʽ¡£¼´ÔÚCHMOD=2¡¯b10ʱÅäÖÃMODE=2¡¯b11£¬AES½«°´ÕÕMODE=2¡¯b10µÄÇéÐÎÖ´ÐС£ Ïà¹Øº¯Êý */
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void AES_CR_MODE_Set(uint32_t SetValue)
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{
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uint32_t tmpreg;
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tmpreg = AES->CR;
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tmpreg &= ~(AES_CR_MODE_Msk);
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tmpreg |= (SetValue & AES_CR_MODE_Msk);
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AES->CR = tmpreg;
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}
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uint32_t AES_CR_MODE_Get(void)
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{
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return (AES->CR & AES_CR_MODE_Msk);
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}
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/* Ñ¡ÔñÊý¾ÝÀàÐÍ£¬AESEN=1ʱ²»¿ÉÐ޸ġ£¾ßÌå½»»»¹æÔò¿É²Î¿¼AESÊý¾ÝÀàÐÍÕ½ڡ£
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(Data type)
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00£º32bitÊý¾Ý²»½»»»
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01£º16bitÊý¾Ý°ë×Ö½»»»
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10£º8bitÊý¾Ý×Ö½Ú½»»»
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11£º1bitÊý¾Ý±ÈÌؽ»»» Ïà¹Øº¯Êý */
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void AES_CR_DATATYP_Set(uint32_t SetValue)
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{
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uint32_t tmpreg;
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tmpreg = AES->CR;
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tmpreg &= ~(AES_CR_DATATYP_Msk);
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tmpreg |= (SetValue & AES_CR_DATATYP_Msk);
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AES->CR = tmpreg;
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}
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uint32_t AES_CR_DATATYP_Get(void)
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{
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return (AES->CR & AES_CR_DATATYP_Msk);
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}
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/* AESʹÄÜ (AES enable)
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0£º²»Ê¹ÄÜ
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1£ºÊ¹ÄÜ
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ÔÚÈκÎʱºòÇå³ýAESENλ¶¼Äܹ»¸´Î»AESÄ£¿é
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ÔÚģʽ2ϸÃλ»áÔÚÒ»´Î¼ÆËãÍê³ÉºóÓ²¼þ×Ô¶¯Çå0 Ïà¹Øº¯Êý */
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void AES_CR_EN_Setable(FunState NewState)
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{
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if (NewState == ENABLE)
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{
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AES->CR |= (AES_CR_EN_Msk);
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}
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else
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{
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AES->CR &= ~(AES_CR_EN_Msk);
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}
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}
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FunState AES_CR_EN_Getable(void)
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{
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if (AES->CR & (AES_CR_EN_Msk))
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{
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return ENABLE;
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}
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else
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{
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return DISABLE;
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}
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}
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/* д´íÎóÖжÏʹÄÜ£¬1ÓÐЧ¡£(Write Error interrupt enable) Ïà¹Øº¯Êý */
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void AES_IER_WRERR_IE_Setable(FunState NewState)
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{
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if (NewState == ENABLE)
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{
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AES->IER |= (AES_IER_WRERR_IE_Msk);
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}
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else
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{
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AES->IER &= ~(AES_IER_WRERR_IE_Msk);
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}
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}
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FunState AES_IER_WRERR_IE_Getable(void)
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{
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if (AES->IER & (AES_IER_WRERR_IE_Msk))
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{
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return ENABLE;
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}
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else
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{
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return DISABLE;
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}
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}
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/* ¶Á´íÎóÖжÏʹÄÜ£¬1ÓÐЧ¡£(Read Error interrupt enable) Ïà¹Øº¯Êý */
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void AES_IER_RDERR_IE_Setable(FunState NewState)
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{
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if (NewState == ENABLE)
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{
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AES->IER |= (AES_IER_RDERR_IE_Msk);
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}
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else
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{
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AES->IER &= ~(AES_IER_RDERR_IE_Msk);
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}
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}
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FunState AES_IER_RDERR_IE_Getable(void)
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{
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if (AES->IER & (AES_IER_RDERR_IE_Msk))
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{
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return ENABLE;
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}
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else
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{
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return DISABLE;
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}
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}
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/* AES¼ÆËãÍê³ÉÖжÏʹÄÜ£¬1ÓÐЧ¡£(Cipher Complete Interrupt enable) Ïà¹Øº¯Êý */
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void AES_IER_CCF_IE_Setable(FunState NewState)
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{
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if (NewState == ENABLE)
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{
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AES->IER |= (AES_IER_CCF_IE_Msk);
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}
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else
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{
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AES->IER &= ~(AES_IER_CCF_IE_Msk);
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}
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}
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FunState AES_IER_CCF_IE_Getable(void)
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{
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if (AES->IER & (AES_IER_CCF_IE_Msk))
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{
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return ENABLE;
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}
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else
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{
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return DISABLE;
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}
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}
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/* Êý¾ÝÊäÈë¼Ä´æÆ÷£¬µ±AESÐèÒªÊäÈë¼Ó½âÃÜÊý¾Ýʱ£¬Ó¦¸ÃÍù¸Ã¼Ä´æÆ÷Á¬Ðøд4´Î¡£(AES Data Input)
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ģʽ1£¨¼ÓÃÜ£©£º°ÑÃ÷ÎÄ´ÓMSBµ½LSB·Ö4´ÎдÈë¡£
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ģʽ2£¨ÃÜÔ¿À©Õ¹£©£ºÎÞÐèʹÓÃÊý¾ÝÊäÈë¼Ä´æÆ÷
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ģʽ3ºÍģʽ4£¨½âÃÜ£©£º°ÑÃÜÎÄ´ÓMSBµ½LSB·Ö4´ÎдÈë¡£
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MultHģʽ£º°Ñ³ËÊýA»òC´ÓMSBµ½LSB·Ö4´ÎдÈë¡£ Ïà¹Øº¯Êý */
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void AES_DIR_Write(uint32_t SetValue)
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{
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AES->DIR = (SetValue);
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}
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uint32_t AES_DIR_Read(void)
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{
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return (AES->DIR);
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}
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/* Êý¾ÝÊä³ö¼Ä´æÆ÷£¬µ±AES¼ÆËãÍê³Éºó£¬¿ÉÒÔ·ÖËĴζÁ³ö¼Ó½âÃܵĽá¹û¡£(AES Data Output)
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ģʽ1£¨¼ÓÃÜ£©£º°ÑÃÜÎÄ´ÓMSBµ½LSB·Ö4´Î¶Á³ö¡£
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ģʽ2£¨ÃÜÔ¿À©Õ¹£©£ºÎÞÐèʹÓÃÊý¾ÝÊäÊä³ö¼Ä´æÆ÷
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ģʽ3ºÍģʽ4£¨½âÃÜ£©£º°ÑÃ÷ÎÄ´ÓMSBµ½LSB·Ö4´ÎÊä³ö¡£
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MultHģʽ£ºÔËËã½á¹û´æ´¢ÔÚIVR¼Ä´æÆ÷ÖУ¬ÎÞÐè¶ÁÈ¡AES_DOUTR¼Ä´æÆ÷¡£ Ïà¹Øº¯Êý */
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uint32_t AES_DOR_Read(void)
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{
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return (AES->DOR);
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}
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/* AESÔËËãÃØÔ¿£¬×256bit£¬AESKEY0´æ·ÅÃØÔ¿×îµÍ32bit£¬AESLKEY7´æ·ÅÃØÔ¿×î¸ß32bit¡£(AES Key)
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×¢Ò⣺´Ë¼Ä´æÆ÷Èí¼þÖ»¿Éд£¬²»¿É¶Á£»´Ë¼Ä´æÆ÷ÄÚÈݲ»ÊÜWWDT¸´Î»Ó°Ïì Ïà¹Øº¯Êý */
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void AES_KEY0_Write(uint32_t SetValue)
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{
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AES->KEY0 = (SetValue);
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}
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/* AESÔËËãÃØÔ¿£¬×256bit£¬AESKEY0´æ·ÅÃØÔ¿×îµÍ32bit£¬AESLKEY7´æ·ÅÃØÔ¿×î¸ß32bit¡£(AES Key)
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×¢Ò⣺´Ë¼Ä´æÆ÷Èí¼þÖ»¿Éд£¬²»¿É¶Á£»´Ë¼Ä´æÆ÷ÄÚÈݲ»ÊÜWWDT¸´Î»Ó°Ïì Ïà¹Øº¯Êý */
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void AES_KEY1_Write(uint32_t SetValue)
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{
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AES->KEY1 = (SetValue);
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}
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/* AESÔËËãÃØÔ¿£¬×256bit£¬AESKEY0´æ·ÅÃØÔ¿×îµÍ32bit£¬AESLKEY7´æ·ÅÃØÔ¿×î¸ß32bit¡£(AES Key)
|
×¢Ò⣺´Ë¼Ä´æÆ÷Èí¼þÖ»¿Éд£¬²»¿É¶Á£»´Ë¼Ä´æÆ÷ÄÚÈݲ»ÊÜWWDT¸´Î»Ó°Ïì Ïà¹Øº¯Êý */
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void AES_KEY2_Write(uint32_t SetValue)
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{
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AES->KEY2 = (SetValue);
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}
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/* AESÔËËãÃØÔ¿£¬×256bit£¬AESKEY0´æ·ÅÃØÔ¿×îµÍ32bit£¬AESLKEY7´æ·ÅÃØÔ¿×î¸ß32bit¡£(AES Key)
|
×¢Ò⣺´Ë¼Ä´æÆ÷Èí¼þÖ»¿Éд£¬²»¿É¶Á£»´Ë¼Ä´æÆ÷ÄÚÈݲ»ÊÜWWDT¸´Î»Ó°Ïì Ïà¹Øº¯Êý */
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void AES_KEY3_Write(uint32_t SetValue)
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{
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AES->KEY3 = (SetValue);
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}
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/* AESÔËËãÃØÔ¿£¬×256bit£¬AESKEY0´æ·ÅÃØÔ¿×îµÍ32bit£¬AESLKEY7´æ·ÅÃØÔ¿×î¸ß32bit¡£(AES Key)
|
×¢Ò⣺´Ë¼Ä´æÆ÷Èí¼þÖ»¿Éд£¬²»¿É¶Á£»´Ë¼Ä´æÆ÷ÄÚÈݲ»ÊÜWWDT¸´Î»Ó°Ïì Ïà¹Øº¯Êý */
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void AES_KEY4_Write(uint32_t SetValue)
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{
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AES->KEY4 = (SetValue);
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}
|
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/* AESÔËËãÃØÔ¿£¬×256bit£¬AESKEY0´æ·ÅÃØÔ¿×îµÍ32bit£¬AESLKEY7´æ·ÅÃØÔ¿×î¸ß32bit¡£(AES Key)
|
×¢Ò⣺´Ë¼Ä´æÆ÷Èí¼þÖ»¿Éд£¬²»¿É¶Á£»´Ë¼Ä´æÆ÷ÄÚÈݲ»ÊÜWWDT¸´Î»Ó°Ïì Ïà¹Øº¯Êý */
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void AES_KEY5_Write(uint32_t SetValue)
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{
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AES->KEY5 = (SetValue);
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}
|
|
/* AESÔËËãÃØÔ¿£¬×256bit£¬AESKEY0´æ·ÅÃØÔ¿×îµÍ32bit£¬AESLKEY7´æ·ÅÃØÔ¿×î¸ß32bit¡£(AES Key)
|
×¢Ò⣺´Ë¼Ä´æÆ÷Èí¼þÖ»¿Éд£¬²»¿É¶Á£»´Ë¼Ä´æÆ÷ÄÚÈݲ»ÊÜWWDT¸´Î»Ó°Ïì Ïà¹Øº¯Êý */
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void AES_KEY6_Write(uint32_t SetValue)
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{
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AES->KEY6 = (SetValue);
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}
|
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/* AESÔËËãÃØÔ¿£¬×256bit£¬AESKEY0´æ·ÅÃØÔ¿×îµÍ32bit£¬AESLKEY7´æ·ÅÃØÔ¿×î¸ß32bit¡£(AES Key)
|
×¢Ò⣺´Ë¼Ä´æÆ÷Èí¼þÖ»¿Éд£¬²»¿É¶Á£»´Ë¼Ä´æÆ÷ÄÚÈݲ»ÊÜWWDT¸´Î»Ó°Ïì Ïà¹Øº¯Êý */
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void AES_KEY7_Write(uint32_t SetValue)
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{
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AES->KEY7 = (SetValue);
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}
|
|
/* AESÔËËã128bit³õʼÏòÁ¿£¬ÔÚMultHģʽϱ£´æÔËËã½á¹û¡£
|
(AES Initial Vector Registers) Ïà¹Øº¯Êý */
|
void AES_IVR0_Write(uint32_t SetValue)
|
{
|
AES->IVR0 = (SetValue);
|
}
|
|
uint32_t AES_IVR0_Read(void)
|
{
|
return (AES->IVR0);
|
}
|
|
/* AESÔËËã128bit³õʼÏòÁ¿£¬ÔÚMultHģʽϱ£´æÔËËã½á¹û¡£
|
(AES Initial Vector Registers) Ïà¹Øº¯Êý */
|
void AES_IVR1_Write(uint32_t SetValue)
|
{
|
AES->IVR1 = (SetValue);
|
}
|
|
uint32_t AES_IVR1_Read(void)
|
{
|
return (AES->IVR1);
|
}
|
|
/* AESÔËËã128bit³õʼÏòÁ¿£¬ÔÚMultHģʽϱ£´æÔËËã½á¹û¡£
|
(AES Initial Vector Registers) Ïà¹Øº¯Êý */
|
void AES_IVR2_Write(uint32_t SetValue)
|
{
|
AES->IVR2 = (SetValue);
|
}
|
|
uint32_t AES_IVR2_Read(void)
|
{
|
return (AES->IVR2);
|
}
|
|
/* AESÔËËã128bit³õʼÏòÁ¿£¬ÔÚMultHģʽϱ£´æÔËËã½á¹û¡£
|
(AES Initial Vector Registers) Ïà¹Øº¯Êý */
|
void AES_IVR3_Write(uint32_t SetValue)
|
{
|
AES->IVR3 = (SetValue);
|
}
|
|
uint32_t AES_IVR3_Read(void)
|
{
|
return (AES->IVR3);
|
}
|
|
/* MultHÔËËã128bitÊäÈëH²ÎÊý (H Parameter)
|
H0±£´æH[31:0]£¬H3±£´æH[127:96] Ïà¹Øº¯Êý */
|
void AES_H0_Write(uint32_t SetValue)
|
{
|
AES->H0 = (SetValue);
|
}
|
|
uint32_t AES_H0_Read(void)
|
{
|
return (AES->H0);
|
}
|
|
/* MultHÔËËã128bitÊäÈëH²ÎÊý (H Parameter)
|
H0±£´æH[31:0]£¬H3±£´æH[127:96] Ïà¹Øº¯Êý */
|
void AES_H1_Write(uint32_t SetValue)
|
{
|
AES->H1 = (SetValue);
|
}
|
|
uint32_t AES_H1_Read(void)
|
{
|
return (AES->H1);
|
}
|
|
/* MultHÔËËã128bitÊäÈëH²ÎÊý (H Parameter)
|
H0±£´æH[31:0]£¬H3±£´æH[127:96] Ïà¹Øº¯Êý */
|
void AES_H2_Write(uint32_t SetValue)
|
{
|
AES->H2 = (SetValue);
|
}
|
|
uint32_t AES_H2_Read(void)
|
{
|
return (AES->H2);
|
}
|
|
/* MultHÔËËã128bitÊäÈëH²ÎÊý (H Parameter)
|
H0±£´æH[31:0]£¬H3±£´æH[127:96] Ïà¹Øº¯Êý */
|
void AES_H3_Write(uint32_t SetValue)
|
{
|
AES->H3 = (SetValue);
|
}
|
|
uint32_t AES_H3_Read(void)
|
{
|
return (AES->H3);
|
}
|
|
|
/* д´íÎó±êÖ¾£ºÔÚ¼ÆËã»òÊä³ö½×¶Î·¢Éúд²Ù×÷ʱÖÃ룬Èí¼þд1ÇåÁã Ïà¹Øº¯Êý */
|
void AES_ISR_WRERR_Clr(void)
|
{
|
AES->ISR = AES_ISR_WRERR_Msk;
|
}
|
|
FlagStatus AES_ISR_WRERR_Chk(void)
|
{
|
if (AES->ISR & AES_ISR_WRERR_Msk)
|
{
|
return SET;
|
}
|
else
|
{
|
return RESET;
|
}
|
}
|
|
/* ¶Á´íÎó±êÖ¾£ºÔÚ¼ÆËã»òÊäÈë½×¶Î·¢Éú¶Á²Ù×÷ʱÖÃ룬Èí¼þд1ÇåÁã Ïà¹Øº¯Êý */
|
void AES_ISR_RDERR_Clr(void)
|
{
|
AES->ISR = AES_ISR_RDERR_Msk;
|
}
|
|
FlagStatus AES_ISR_RDERR_Chk(void)
|
{
|
if (AES->ISR & AES_ISR_RDERR_Msk)
|
{
|
return SET;
|
}
|
else
|
{
|
return RESET;
|
}
|
}
|
|
/* AES¼ÆËãÍê³É±êÖ¾£¬Èí¼þд1ÇåÁã
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1£º¼ÆËãÍê³É
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0£º¼ÆËãûÓÐÍê³É Ïà¹Øº¯Êý */
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void AES_ISR_CCF_Clr(void)
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{
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AES->ISR = AES_ISR_CCF_Msk;
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}
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FlagStatus AES_ISR_CCF_Chk(void)
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{
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if (AES->ISR & AES_ISR_CCF_Msk)
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{
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return SET;
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}
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else
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{
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return RESET;
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}
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}
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void AES_Deinit(void)
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{
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//AES->CR = 0x00000000;
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//AES->IER = 0x00000000;
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//AES->DIR = 0x00000000;
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//AES->DOR = 0x00000000;
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//AES->KEY0 = 0x00000000;
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//AES->KEY1 = 0x00000000;
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//AES->KEY2 = 0x00000000;
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//AES->KEY3 = 0x00000000;
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//AES->KEY4 = 0x00000000;
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//AES->KEY5 = 0x00000000;
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//AES->KEY6 = 0x00000000;
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//AES->KEY7 = 0x00000000;
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//AES->IVR0 = 0x00000000;
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//AES->IVR1 = 0x00000000;
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//AES->IVR2 = 0x00000000;
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//AES->IVR3 = 0x00000000;
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//AES->H0 = 0x00000000;
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//AES->H1 = 0x00000000;
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//AES->H2 = 0x00000000;
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//AES->H3 = 0x00000000;
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}
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//Code_End
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/********************************
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AES ¹¦ÄÜ¿ØÖƺ¯Êý
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¹¦ÄÜ: ¼Ó½âÃÜÃÜÔ¿ÊäÈë(key0´æ·ÅÃÜÔ¿×îµÍ32bit)
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ÊäÈ룺ÃÜÔ¿ 16/24/32×Ö½Ú³¤¶ÈµÄÃÜÔ¿
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³¤¶È 16/24/32
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Êä³ö: ÎÞ
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********************************/
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void AES_KEY_WriteEx(uint8_t *KeyIn, uint8_t Len)
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{
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uint8_t i;
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__IO uint32_t *PointKeyReg;
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__IO uint32_t Temp32;
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if( (Len != 16) && (Len != 24) && (Len != 32) ) return;
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if(KeyIn == NULL) return;
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PointKeyReg = (&AES->KEY0);
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for(i=0; i<Len; i=i+4)
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{
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Temp32 = (KeyIn[0+i]<<24)|(KeyIn[1+i]<<16)|(KeyIn[2+i]<<8)|(KeyIn[3+i]<<0);
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PointKeyReg[(Len-i)/4-1] = Temp32;
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}
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}
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/*³õʼÏòÁ¿ÊäÈë */
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void AES_IVR_WriteEx(uint8_t *IVRIn)
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{
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uint8_t i;
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__IO uint32_t *PointIvrReg;
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__IO uint32_t Temp32;
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if(IVRIn == NULL) return;
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PointIvrReg = (&AES->IVR0);
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for(i=0; i<4*4; i=i+4)
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{
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Temp32 = (IVRIn[0+i]<<24)|(IVRIn[1+i]<<16)|(IVRIn[2+i]<<8)|(IVRIn[3+i]<<0);
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PointIvrReg[(16-i)/4-1] = Temp32;
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}
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}
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/*³õʼÏòÁ¿¶ÁÈ¡ */
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void AES_IVR_ReadEx(uint8_t *IVROut)
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{
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uint8_t i;
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__IO uint32_t *PointIvrReg;
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__IO uint32_t Temp32;
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if(IVROut == NULL) return;
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PointIvrReg = (&AES->IVR0);
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for(i=0; i<4*4; i=i+4)
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{
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Temp32 = PointIvrReg[(4*4-i)/4-1];
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IVROut[0+i] = Temp32>>24;
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IVROut[1+i] = Temp32>>16;
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IVROut[2+i] = Temp32>>8;
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IVROut[3+i] = Temp32>>0;
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}
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}
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/*¼Ó½âÃÜÊý¾ÝÊäÈ룬16×Ö½Ú£¨128bit£©·Ö×éÊý¾ÝÊäÈë */
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void AES_DIN_GroupWrite_128BIT(uint8_t *DataIn)
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{
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uint8_t i;
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__IO uint32_t Temp32;
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if(DataIn == NULL) return;
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for(i=0; i<16; i=i+4)
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{
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Temp32 = (DataIn[0+i]<<24)|(DataIn[1+i]<<16)|(DataIn[2+i]<<8)|(DataIn[3+i]<<0);
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AES->DIR = Temp32;
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}
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}
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/*¼Ó½âÃÜÊý¾ÝÊä³ö£¬16×Ö½Ú£¨128bit£©·Ö×éÊý¾ÝÊä³ö */
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void AES_DOUT_GroupRead_128BIT(uint8_t *DataOut)
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{
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uint8_t i;
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__IO uint32_t Temp32;
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if(DataOut == NULL) return;
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for(i=0; i<16; i=i+4)
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{
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Temp32 = AES->DOR;
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DataOut[0+i] = Temp32>>24;
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DataOut[1+i] = Temp32>>16;
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DataOut[2+i] = Temp32>>8;
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DataOut[3+i] = Temp32>>0;
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}
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}
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uint8_t AES_GroupWriteAndRead_128BIT(uint8_t *DataIn, uint8_t *DataOut)
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{
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uint16_t i;
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if((DataIn == NULL) || (DataOut == NULL)) return 1;
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//ÊäÈë¼Ó½âÃÜÊý¾Ý
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AES_DIN_GroupWrite_128BIT(DataIn);
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//µÈ´ýCCF±êÖ¾ÖÃÆð,Íê³É¼ÆËã´óÔ¼ÐèÒª100¸öʱÖÓÖÜÆÚ
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for(i=0;i<500;i++)
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{
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if(SET == AES_ISR_CCF_Chk() ) break;
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}
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//ÇåCCF±êÖ¾
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//¶ÁÈ¡Ç°±ØÐëÇå³ý
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AES_ISR_CCF_Clr();
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//¶ÁÈ¡½á¹û
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AES_DOUT_GroupRead_128BIT(DataOut);
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if(i==500) return 1;
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else return 0;
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}
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uint8_t AES_GroupWriteAndRead_128BIT_IVR(uint8_t *DataIn, uint8_t *DataOut)
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{
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uint16_t i;
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if((DataIn == NULL) || (DataOut == NULL)) return 1;
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//ÊäÈë¼Ó½âÃÜÊý¾Ý
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AES_DIN_GroupWrite_128BIT(DataIn);
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//µÈ´ýCCF±êÖ¾ÖÃÆð,Íê³É¼ÆËã´óÔ¼ÐèÒª100¸öʱÖÓÖÜÆÚ
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for(i=0;i<500;i++)
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{
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if(SET == AES_ISR_CCF_Chk() ) break;
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}
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//ÇåCCF±êÖ¾
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//¶ÁÈ¡Ç°±ØÐëÇå³ý
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AES_ISR_CCF_Clr();
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//¶ÁÈ¡½á¹û
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AES_IVR_ReadEx(DataOut);
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if(i==500) return 1;
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else return 0;
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}
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/********************************
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AES ¹¦ÄÜ¿ØÖƺ¯Êý
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¹¦ÄÜ: MultH²ÎÊý¼Ä´æÆ÷ÊäÈë(h0´æ·ÅÃÜÔ¿×îµÍ32bit)
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ÊäÈ룺MultHÔËËã128bitÊäÈëH²ÎÊý
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Êä³ö: ÎÞ
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********************************/
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void AES_Hx_WriteEx(uint8_t *HxIn, uint8_t Len)
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{
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uint8_t i;
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__IO uint32_t *PointHxReg;
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__IO uint32_t Temp32;
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if(Len != 16) return;
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if(HxIn == NULL) return;
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PointHxReg = (&AES->H0);
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for(i=0; i<Len; i=i+4)
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{
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Temp32 = (HxIn[0+i]<<24)|(HxIn[1+i]<<16)|(HxIn[2+i]<<8)|(HxIn[3+i]<<0);
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PointHxReg[(Len-i)/4-1] = Temp32;
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}
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}
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/********************************
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Hx ²ÎÊý¶ÁÈ¡
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¹¦ÄÜ: MultH²ÎÊý¼Ä´æÆ÷ÊäÈë(h0´æ·ÅÃÜÔ¿×îµÍ32bit)
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ÊäÈ룺H²ÎÊý³¤¶È
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Êä³ö£ºMultHÔËËã128bitÊäÈëH²ÎÊý
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·µ»Ø£ºÎÞ
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********************************/
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void AES_Hx_ReadEx(uint8_t *HxOut, uint8_t Len)
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{
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uint8_t i;
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__IO uint32_t *PointKeyReg;
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__IO uint32_t Temp32;
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if(Len != 16) return;
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if(HxOut == NULL)return;
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PointKeyReg = (&AES->H0);
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for(i=0; i<Len; i=i+4)
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{
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Temp32 = PointKeyReg[(Len-i)/4-1];
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HxOut[0+i] = Temp32>>24;
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HxOut[1+i] = Temp32>>16;
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HxOut[2+i] = Temp32>>8;
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HxOut[3+i] = Temp32>>0;
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}
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}
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/* AESÄ£¿é³õʼ»¯º¯Êý */
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void AES_Init(AES_InitTypeDef* para)
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{
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AES_CR_KEYLEN_Set(para->KEYLEN); //AES¼ÓÃÜÃÜÔ¿³¤¶È£¬AESEN=1ʱ²»¿ÉÐÞ¸Ä
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AES_CR_CHMOD_Set(para->CHMOD); //AESÊý¾ÝÁ÷´¦Àíģʽ£¬AESEN=1ʱ²»¿ÉÐÞ¸Ä
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AES_CR_MODE_Set(para->MODE); //AES¹¤×÷ģʽ£¬AESEN=1ʱ²»¿ÉÐÞ¸Ä
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AES_CR_DATATYP_Set(para->DATATYP); //Ñ¡ÔñÊý¾ÝÀàÐÍ£¬AESEN=1ʱ²»¿ÉÐ޸ġ£¾ßÌå½»»»¹æÔò¿É²Î¿¼AESÊý¾ÝÀàÐÍÕ½Ú
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AES_CR_DMAOEN_Setable(para->DMAOEN); //DMAÊý¾Ý×Ô¶¯¶Á³öʹÄÜ
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AES_CR_DMAIEN_Setable(para->DMAIEN); //DMAÊý¾Ý×Ô¶¯Ð´ÈëʹÄÜ
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AES_IER_WRERR_IE_Setable(para->WERRIE); //´íÎó±êÖ¾£¨WRERR£©ÖжÏʹÄÜ
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AES_IER_RDERR_IE_Setable(para->RERRIE); //´íÎó±êÖ¾£¨RDERR£©ÖжÏʹÄÜ
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AES_IER_CCF_IE_Setable(para->CCFIE); //CCF±êÖ¾ÖжÏʹÄÜ
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AES_CR_EN_Setable(para->AESEN); //AESʹÄÜ
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}
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/******END OF FILE****/
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