通过miracl大数库生成rsa密钥，并通过diffie-hellman算法交换密钥-Miracl large numbers through the database to generate rsa key, and algorithm diffie-hellman key exchange

contains cryptography algorithms rsa, diffie hellman, rc4(stream cipher), hill cipher, play fair cipher

Diffie-hellman encryption and decryption by srp

Implement Diffie-Hellman Key exchange protocol and demonstrate that at the end, both person will have a common Key. Do the following: 1. Set a variable p ( e.g. p = 37) and g (e.g. g = 5). 2. Generate a, a random number mod p. Now generate A,