decr

OpenVPN is a robust and highly flexible tunneling application that uses all of the encryption, authentication, and certification features of the OpenSSL library to securely tunnel IP networks over a single TCP/UDP port.

一个简单加解密的小程序 (A simple encryption and decryption program)

锁住/解锁硬盘 - Locks in/the solution to lock the hard disk

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.

密码学中的AES加密和CMAC认证的C语言代码(AES encryption and CMAC authority in C)

硬件求解平方根源代码加密 (硬件求解平方根的，将license添加到原有的MaxplusII或QuartusII的license中就可以直接使用，但源代码加密。altera提供 )(solving square root of the hardware encryption code (square root of the hardware solution will be added to the original license MaxplusII or Quartus II of the license which can be directly used, but the source code encryption. ALTERA provide))

文档加密算法，包括DES等，对其进行了详细的描述

KeePassX用于保护密码的安全，使用了高强度的加密数据库-KeePassX password protection for the safety of the use of high-strength encryption database

playfair的源代码，很简洁，跟网上现存的版本有所差异，但是效果是很不错的。-playfair source code is very simple, with the existing version of the web is different, but the effect is very good.

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