用java语言编写的rsa加密解密算法，能够自己选择密钥的位数。-prepared by the rsa encryption and decryption algorithms, keys to their choice of the median.

Very large (tested for more than 2048 bits) prime number generator and tester program. This is well written and based on solid algorithms in this field. Source code is my own, used for Masters course in Cryptography. Program has easily readable and