95 lines
2.8 KiB
C
95 lines
2.8 KiB
C
/***********************************************************************
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* All rights reserved.
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* Filename : aes.h
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* Description : aes driver header file
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* Author(s) : Eric
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* version : V1.0
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* Modify date : 2016-03-24
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***********************************************************************/
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#ifndef __AES_H__
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#define __AES_H__
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#include "ACM32Fxx_HAL.h"
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#define AES_ENCRYPTION 1
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#define AES_DECRYPTION 0
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#define AES_ECB_MODE 0
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#define AES_CBC_MODE 1
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#define AES_SWAP_ENABLE 1
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#define AES_SWAP_DISABLE 0
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#define AES_NORMAL_MODE 0x12345678
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#define AES_SECURITY_MODE 0
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#define AES_KEY_128 0
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#define AES_KEY_192 1
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#define AES_KEY_256 2
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#define AES_FAIL 0x00
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#define AES_PASS 0xa59ada68
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#define BIT_AES (1<<28)
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/************************************************************************
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* function : delay
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* Description: delay for a while.
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* input :
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* count: count to decrease
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* return: none
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************************************************************************/
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extern void delay(uint32_t count);
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/******************************************************************************
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* Name: HAL_AES_SetKey
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* Function: set key of AES
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* Input:
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keyin -- pointer to buffer of key
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key_len -- select length of key(AES_KEY_128/ AES_KEY_192/ AES_KEY_256)
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swap_en -- AES_SWAP_ENABLE, AES_SWAP_DISABLE
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* Return: None
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*******************************************************************************/
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void HAL_AES_SetKey(UINT32 *keyin, UINT8 key_len, UINT8 swap_en);
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void HAL_AES_SetKey_U8(UINT8 *keyin, UINT8 key_len, UINT8 swap_en);
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/******************************************************************************
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Name: HAL_AES_Crypt
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Function: Function for AES encryption and decryption
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Input:
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indata -- pointer to buffer of input
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outdata -- pointer to buffer of result
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block_len -- block(128bit) length for aes cryption
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operation -- AES_ENCRYPTION,AES_DECRYPTION
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mode -- AES_ECB_MODE, AES_CBC_MODE,
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iv -- initial vector for CBC mode
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security_mode -- AES_NORMAL_MODE, AES_SECURITY_MDOE<4F><45>
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Return: None
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*******************************************************************************/
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uint32_t HAL_AES_Crypt(
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uint32_t *indata,
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uint32_t *outdata,
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uint32_t block_len,
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uint8_t operation,
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uint8_t mode,
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uint32_t *iv,
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uint32_t security_mode
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);
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uint32_t HAL_AES_Crypt_U8(
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uint8_t *indata,
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uint8_t *outdata,
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uint32_t block_len,
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uint8_t operation,
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uint8_t mode,
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uint8_t *iv,
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uint32_t security_mode
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);
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#endif
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/******************************************************************************
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* end of file
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*******************************************************************************/
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