Thus , the encryption function for this example will be y = E ( x ) = ( 5x + 8 ) mod 26 .
The value for b can be arbitrary as long as a does not equal 1 since this is the shift of the cipher .
The encryption function for this example will be y = E ( x ) = ( 5x + 8 ) mod 26 .
The value for b can be arbitrary as long as a does not equal 1 since this is the shift of the cipher .