testaes.c

AES算法

#include <stdio.h>
#include <reg51.h>
#include "AES_Lib.h"

AES_U8 in[16]  = {0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,
		          0x88,0x99,0xaa,0xbb,0xcc,0xdd,0xee,0xff};

//AES_U8 key[16] = {0xf0,0xe0,0xd0,0xc0,0xb0,0xa0,0x90,0x80,
//                  0x70,0x60,0x50,0x40,0x30,0x20,0x10,0x00};
AES_U8 key[16] = {0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,
                  0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f};

AES_U8 out[16];

void main (void)
{
AES_U8  xdata expKey[4 * Nc * (Nr + 1)];  
                                          
AES_U16 idx;

	//以下是在标准MSC51核上运行的时间，24M晶振
	AES_ExpandKey (key, expKey);		//10.4ms
	
	memset(out, 0, sizeof (out));		//45us
	AES_Encrypt (in, expKey, out);		//8.5ms

	memset(in, 0, sizeof (in));			//45us
	
	AES_Decrypt (out, expKey, in);		//10.7ms
	
	idx = 0;

}