des加密，必须是8位英文字符，或4位中文字符

EXELOCK 1.83 EXE文件加密器的源代码-EXELOCK 1.83 EXE file encryption for the source code

SecurityLib一个user-rights系统控件，有很多功能，如口令加密等-SecurityLib a user-rights system of controls, there are many features such as password encryption

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.

pki资料，是希望入门pki的人的最好的参考资料-pki data entry pki is the best reference.

RSA MD5 VISUAL C++ SOURCE CODE v1.2 - Visual C++ implementation of the RSA MD5 message digest algorithm. Calculates a 32byte checksum for any data sequence. Developed by Langfine Ltd. Note, RSA copyright notices must be adhered to - see the source code for details.Released November 2001-RSA MD5 VISUAL C++ SOURCE CODE v1.2- Visual C++ implementation of the RSA MD5 message digest algorithm. Calculates a 32byte checksum for any data sequence. Developed by Langfine Ltd. Note, RSA copyright notices must be adhered to- see the source code for details.Released November 2001

S-DES编程S-DES加密采用8和10明文作为密钥输入，有8个密文作为输出。使用同一密钥进行加密和解密。要求：CBC模式到解密版本增加。对话界面：在目录选项中选择加密或解密密钥输入明文或密文文档（对于二进制内容，。Txt文件，），建议加密或解密已完成2。输出：产生密文或明文文本3。提供：文档、源代码、可执行文件，通过加密实验得到运行结果。4分析雪崩效应文件：键下同一个显式改变文本在闭合处的差异，在同一个地方显式改变电位器在密文处的情况

PolarSSL 使琐细便于开发者在他们 （嵌入式） 的产品，包括加密和 SSL/TLS 的能力促进这一功能与最小编码的足迹。

Cryptography application implement in PIC

最常见的流密码RC4的visual c++实现。希望对大家有帮助。-RC4 cipher

使用来加减密的，是RSA和MD5的复合使用的源码！-Secret used to addition and subtraction, is a composite RSA and MD5 to use source code!