JAVA写的可以用RSA加密解密的代码，随机产生密钥，数据格式是长整型，代码包含求逆元、大数取模模块。-Can be written in JAVA RSA encryption and decryption code, randomly generated key, the data format is a long integer, the code contains the inverse element, large numbers modulo module.

一个rsa 实现的例子，java实现代码简明-a rsa demo