RSA realized, according to the article to achieve RSA algorithm

电子注册方式加密算法-Encrypting algorithm of electric register method

密钥扩展的源代码-Key expansion of the source code

生成程序序列号在程序加密方面几好用-sequence generation process, the procedure uses encryption several areas

使用openssl库，公钥对数据进行加密的dll库的源代码-Using openssl library, public key data encryption dll library source code

文本加密，利用异或操作对指定文件进行加密，加密密码由用户输入-Text encryption, the use of XOR operations on the specified file is encrypted, encryption, password from user input

对证书的基本操作，如读取证书DN，证书有效期等-Basic operation of the certificate, such as reading the certificate DN, the certificate is valid, etc.

网络新手学习的好教程-Network novice to learn a good tutorial

The class has a methode named make_CRC that gets a byte stream and start/end offsets then calculate and return a 16 bit CRC according to determined POLYNAMIAL.The POLYNAMIAL is a private field of the class.

Openssl 0.9.8h 最新版OpenSSL -Openssl 0.9.8h the latest version of OpenSSL

RSA文件加密算法实现，特别好，请大家试用-RSA File encryption algorithm, are particularly good, please try