说明：  128位大整数运算源代码 源代码包含128位大整数的加减乘除、取模、乘幂、2进制和10进制转换等运算，可用于大整数运算和加解密算法。
(128 large integer computing source code source code contains 128 large integer addition and subtraction, multiplication and division, modulus, by power, 2-band and 10 hexadecimal conversion operator can be used for big integer calculations and processing decryption algorithm.)