int main()
{
int i;
int Nr = 0;
int Nk = 0;
unsigned char Key[32]= {0x00 ,0x01 ,0x02 ,0x03 ,0x04 ,0x05 ,0x06 ,0x07 ,0x08 ,0x09 ,0x0a ,0x0b ,0x0c ,0x0d ,0x0e ,0x0f};
unsigned char in[16]= {0x00 ,0x11 ,0x22 ,0x33 ,0x44 ,0x55 ,0x66 ,0x77 ,0x88 ,0x99 ,0xaa ,0xbb ,0xcc ,0xdd ,0xee ,0xff};
unsigned char out[16];
InitUART1();
while(Nr!=128 && Nr!=192 && Nr!=256)
{
SendString("Enter the length of Key(128, 192 or 256 only): ");
Nr = GetKey();
}
Nk = Nr / 32;
Nr = Nk + 6;
KeyExpansion(Key, Nk, Nr);
Cipher(in, out, Nr);
SendString("Text encrypted: ");
for(i = 0; i < Nb*4; i++)
{
SendStringFromNum(out[i]);
}
SendEnter();
while(1);
}
//-----------------------------------------------------------------------------
// Inicialización general del Kit de acuerdo al uso que se le dará.
//-----------------------------------------------------------------------------
void InicializarKit ( void )
{
InicPLL();
InicSysTick();
InitUART1();
}
/****************************************************************************
Function
InitUART
Description
Initialize the Tiva UART modules 1, 2, and 5
****************************************************************************/
void InitUART(void) {
InitUART1();
InitUART2();
InitUART5();
}
