Method sm4Sbox

src/com/autoDecoder/util/SM4.java:93–97

(byte inch)

            0x10171e25, 0x2c333a41, 0x484f565d, 0x646b7279};

    private byte sm4Sbox(byte inch) {
        int i = inch & 0xFF;
        byte retVal = SboxTable[i];
        return retVal;
    }

    private long sm4Lt(long ka) {
        long bb = 0L;