main.cpp

这是一个关于AES加密的算法类库

#include <stdio.h>
#include <iostream.h>
#include "aes.h"

main()
{
/*
//test for multiply() add() div()
cout<<(WORD)a.multiply(87,131);
cout<<"\n";
cout<<(DWORD)a.multiply2(283,7);
cout<<"\n";
cout<<(WORD)a.add2(4,3);
cout<<"\n";
cout<<(WORD)a.div(0x21,0x3);
cout<<"\n";
cout<<(WORD)a.div2(456,13);
cout<<"\n";
*/

/*
//test for subByte()
BYTE c=0xb2,*b;//ff ,00
b=&c;
cout<<(WORD)c<<"\n";
a.subByte(b);
cout<<(WORD)c<<"\n";
a.invSubByte(b);
cout<<(WORD)*b<<"\n";
*/

/*
//test for subByte()
int i;
BYTE c[16];
for(i=0; i<16; i++)
{
	c[i]=i;
	c[i]^=0xf0;  //change with 0x10,0x20.....0xf0
	a.subByte(&c[i]);
	printf("%x ",c[i]);
	a.invSubByte(&c[i]);
}
	printf("\n");
for(i=0; i<16; i++)
{
	printf("%x\n",c[i]);
}



*/

/*
//test for subDword()
DWORD u[1];
u[0]=0x31ff0011;
a.subDword(u);
printf("%x\n",u[0]);
*/

/*
//test for rotDword()
DWORD u[1];
u[0]=0x31ff0011;
a.rotDword(u);
printf("%x\n",u[0]);
*/

/*
//test for keyExpansion()
int i;
a.KeyExpansion();
for(i=0; i < 16 ; i++)
{
	printf("%x\n", a.key[i]);
}

for(i=0; i < a.Nb*(a.Nr + 1); i++)
{
	printf("%x\n", a.w[i]);
}
*/

//test for shiftRows() and invShiftRows()
/*
int i;
a.shiftRows(a.key);
a.invShiftRows(a.key);
for(i=0; i< 16; i++)
printf("%x\n", a.key[i]);
*/

//test for mixColumns()
/*
int i;
a.mixColumns(a.key);
a.invMixColumns(a.key);
for(i=0; i<16; i++)
printf("%x\n" , a.key[i]);
*/

//test for addRoundKey()
/*
int i;
BYTE input[16]={0x32 , 0x43 , 0xf6 , 0xa8 ,
				0x88 , 0x5a , 0x30 , 0x8d ,
				0x31 , 0x31 , 0x98 , 0xa2 ,
				0xe0 , 0x37 , 0x07 , 0x34 };

a.KeyExpansion();
for(i=0; i<16; i++)
printf("%x  " , input[i]);
printf("\n");
for(i=0; i<16; i++)
printf("%x  " , *(((BYTE*)(a.w))+i));
printf("\n");
a.addRoundKey(input , a.w);
for(i=0; i<16; i++)
printf("%x  " , input[i]);
printf("\n");
*/


//test for Encipher() and Decipher()


/*
BYTE input[16]={0x32 , 0x43 , 0xf6 , 0xa8 ,
				0x88 , 0x5a , 0x30 , 0x8d ,
				0x31 , 0x31 , 0x98 , 0xa2 ,
				0xe0 , 0x37 , 0x07 , 0x34 };
*/
//plain=00112233445566778899aabbccddeeff
BYTE input[16]={0x00 , 0x11 , 0x22 , 0x33 ,
				0x44 , 0x55 , 0x66 , 0x77 ,
				0x88 , 0x99 , 0xaa , 0xbb ,
				0xcc , 0xdd , 0xee , 0xff };

BYTE key[32]=  {0x00,0x01,0x02,0x03,
				0x04,0x05,0x06,0x07,
				0x08,0x09,0x0a,0x0b,
				0x0c,0x0d,0x0e,0x0f,
				0x10,0x11,0x12,0x13,
				0x14,0x15,0x16,0x17,
				0x18,0x19,0x1a,0x1b,
				0x1c,0x1d,0x1e,0x1f};

Caes a(8,4,key);

a.Encipher(input);

int i;
for(i=0; i<16; i++)
	printf("%x  ",input[i]);
printf("\n");

a.Decipher(input);

for(i=0; i<16; i++)
printf("%x  " , input[i]);
printf("\n");

return 1;
}