试着用按位运算符完成的几个加密步骤
H16 = (input & 0xffff0000) >> 16; L16 = (input << 16) & 0xffff0000; H16 = ~H16 & 0x0000ffff; L16 = ((H16 << 16) ^ L16) & 0xffff0000; output = H16 | L16;
试着用按位运算符完成的几个加密步骤