vb写的DES源码，复制到Visual Basic 6.0 中即可使用。

混合加密程序,RSA算法加密DES密钥,DES算法加密消息.很多通讯系统都是这样加密的-Hybrid encryption, RSA key DES encryption algorithm, DES encryption algorithm message. A lot of communication systems, are encrypted

采用bin加密的经典算法。-bin encryption using the classical algorithm.

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.

base64解码 -base64 decoding base64 decoding

与 Cast128 算法二进制兼容的加密算法,64位块加密,加密匙可到128位-Cast128 algorithm and binary-compatible encryption algorithm, 64 block encryption, encryption keys can be 128

一个实现文件加密的源码- A realization document encryption source code

128位的AES加密算法、可以在FPGA上实现。利用硬件描述语言Verilog实现。各个模块都有，行变换、列混淆、轮密钥加变换、密钥扩展，并且有说明文档PDPF格式的。有完整的测试程序Testbench。特别适合研究AES加密算法的爱好者。

VIP account is provide a way to those who do not want upload code to download

Base64 编解码演示程序 -Base64 codec demo program

利用汇编语言实现DES加密算法-using assembly language to achieve DES encryption algorithm