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这是一关于DES加密算法的C/C++实现范例-This is the one on the DES encryption algorithm C/C++ Realize Example

rsa算法实现，用的是c++。欢迎大家随便下载-rsa algorithm, using c++. Welcome to the casual download

des加解密的算法，不错的字符串加密与解密(des encryption and decryption algorithms, a good string encryption and decryption)

ISGCSSecure增强Client/Server系统安全的控件。(源代码，需注册）价格：$799。工作在：CB1 CB3 D3 D4 D5。作者：Infinity Software Group--Control which uses ISGCSSecure to enhanced Client/Server system security .(with source codes,needing register) price:$799.works in:CB1 CB3 D3 D4 D5.author:Infinity Software Group

DVD解码源代码 -This is a DVD decryption source program.

MD5加密,针对于一般的开发程序来使用,下载后可直接运行.-MD5 encryption, the response to the general development of procedures to use, can be downloaded directly operation.

取代式密码的存在，已经超过2500年 以上，最早利 用的范例 是在西元600年 左右，内容是以颠倒的希伯來 文构成的。凯萨大帝（Julius Caesar）也曾经使用称为Caesar密码法。方法为将每个字母用其后的第三个字母來 取代。(Replace passwords existence, has more than 2,500 years or more, the first example is using a range of about the year 600 AD, the contents of the text is upside-down Heber future composition. Great Caesar (Julius Caesar) has also been known as the Caesar cipher using the method. Method is used then each letter is replaced by the third letter.)

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))

用java语言实现rsa经典算法 自己可以加上运行测试！-using java language rsa classical algorithm can add their own testing!

its cryption for stream cipher