def _hilink_decrypt(self, encrypted_firmware):
        '''
        This does the actual decryption.
        '''
        cipher = DES.new(self.DES_KEY, DES.MODE_ECB)

        p1 = encrypted_firmware[0:3]
        p2 = encrypted_firmware[3:]
        p2 += b"\x00" * (8 - (len(p2) % 8))

        d1 = p1 + cipher.decrypt(p2)
        d1 += b"\x00" * (8 - (len(d1) % 8))

        return cipher.decrypt(d1)
def _hilink_decrypt ( self , encrypted_firmware ) : cipher = DES . new ( self . DES_KEY , DES . MODE_ECB ) p1 = encrypted_firmware [ 0 : 3 ] p2 = encrypted_firmware [ 3 : ] p2 += b"\x00" * ( 8 - ( len ( p2 ) % 8 ) ) d1 = p1 + cipher . decrypt ( p2 ) d1 += b"\x00" * ( 8 - ( len ( d1 ) % 8 ) ) return cipher . decrypt ( d1 )
This does the actual decryption.