用C写的DES加密的一个算法。是很不错的。

它也可以用来解除Adobe Acrobat PDF文件密码的工具，它可以帮助解决加密PDF无法编辑和复制/打印的问题，支持所有版本的Acrobat加密(包含7.x)，也支持128位加密。 -It also can be used to lift the Adobe Acrobat PDF files password tool, it can help to solve encrypted PDF can not edit and copy/print the questions, and support all versions of Acrobat encryption (including 7.x), also supports 128-bit encryption.

易语言MD5加密程序... 没什么好多说的了 看了就懂了-Yi language MD5 encryption ...... nothing to say the viewers a much better understand the

在PB中通过读取硬盘序列号实现软件加密-in PB by reading drive serial number encryption software

c环境下的md5加密程序-c environment of md5 encrypted

加密文本编辑器 VB-encrypted text editor VB

RSA的程序代码-RSA code

here is aan ebook for flex

这是一个完整的数字签名过程，包括密钥的分发管理，摘要的提取，在eclipse上测试成功。

文件加密技术一例给文件加密的技术很多,其中又分为不同等级,以适合不同场合的需要.这里给出最简单的文件加密技术,即采用文件逐字节与密码异或方式对 文件进行加密,当解密时,只需再运行一遍加密程序即可.-file encryption technology to the case file encryption technologies lot, which will be divided into different levels, to suit the needs of different occasions. Here is the most simple file encryption technology, which adopts a case-by-byte file with the password or different ways to document encryption, decryption, only re-running again encryption procedures.

VHDL实现128bitAES加密算法 LOW AREA节约成本的实现 DATA FLOW为8bits-VHDL realize 128bitAES encryption algorithm LOW AREA realize cost-saving DATA FLOW for 8 bits