在一些应用中，特别是现在的密码学中，常常需要用超过100位的整数来做乘法，以此来对数据加密。现在有两个小于等于100位的大整数a和b（位数相同），请写程序计算出这两个大整数乘积的结果。-In some applications, in particular, cryptography is now often need to do more than 100 integer multiplication as a way to encrypt the data. There are two le

产生大素数，进行任何位的RSA加密解密，进行大整数的进制转换，进行大整数的加法和乘法运算。-Generate large prime numbers, any bit RSA encryption and decryption, binary large integer conversion, large integer addition and multiplication.