DES 加密 系统的 C 语言 实现的源代码

DES算法全称为Data Encryption Standard,即数据加密算法,DES算法把64位的明文输入块变为64位的密文输出块,它所使用的密钥也是64位。RSA的安全性依赖于大数分解。公钥和私钥都是两个大素数（ 大于 100个十进制位）的函数。本程序为适合初学者的rsa算法java源码及des源码，开发环境eclipse3.4-DES algorithm called the Data Encryption Standard, that is, data encryption algorithm, DES algorithm to express the 64-bit input block into a 64-bit output ciphertext block, it is also used 64-bit key. RSA" s security depends on the decomposition of large numbers. Public key and private key are two large prime numbers (more than 100 decimal places) of the function. This procedure is suitable for beginners of rsa algorithm java source and des-source, development environment eclipse3.4

著名图论问题之一。邮递员从邮局出发送信，要求对辖区内每条街，都至少通过一次，再回邮局。在此条件下，怎样选择一条最短路线?此问题由中国数学家管梅谷于1960年首先研究并给出算法，故名。-Well-known graph theory problems. Postman deliver a letter from the post office proceed to require every street within the right area, at least through the time, return to post office. Under these conditions, how to select a shortest route? This issue by the Chinese mathematician Mei Gu tube study in 1960, and gives the first algorithm, hence the name.

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图象的检测，模板匹配 命令行编译过程如下 vcvars32 rc bmp.rc cl detect.c bmp.res user32.lib gdi32.lib 注意事项： 运行时，文件c: est.bmp必须存在

一解码程序，挺好的东东，不过是用汇编写的，希望能对大家有所帮助。其中还有一个是hcs系列芯片的接收程序。-a decoding procedure very well, the Eastern, but is the compilation was made in the hope that it can be helpful to everyone. Among them were a series of chips is hcs reception procedures.

vc编写的rsa加密软件，包括源码．有兴趣的同志可以另做界面-vc prepared rsa encryption software, including source code. Comrades who are interested can do the other interface

CRC32 check

常见加密算法汇总的C++实现，初学加密算法者适用-Common encryption algorithm aggregate C++ Realize, learning to apply the encryption algorithm

folder-lock 有了它 你就不怕自己的文件被人看到啦 -If you use folder-lock,you are not afraid of your files be peeped.

DEC的实现，快点下啊-the realization quickly under ah