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DES算法及其VC源代码,详细图解,代码完整-VC DES algorithm and its source code, detailed diagrams, code integrity

DES( Data Encryption Standard)算法，于1977年得到美国政府的正式许可，是一种用56位密钥来加密64位数据的方法。虽然56位密钥的DES算法已经风光不在,而且常有用Des加密的明文被破译的报道,但是了解一下昔日美国的标准加密算法总是有益的,而且目前DES算法得到了广泛的应用,在某些场合,她仍然发挥着余热.（如：UNIX的密码算法就是以DES算法为基础的）。将其修改为三重DES也能抵抗破解。下面是关于如何实现DES算法的语言性描述：(DES ( Data Encryption Standard ) algorithm, in 1977 the U.S. government s official permission , is a 56 -bit key to encrypt 64 data . 56 keys of the DES algorithm scenery is not , and often with Des encryption expressly decipher reported , but look at the old standard encryption algorithm is always useful , but the DES algorithm has been widely used in a some occasions , she still plays a waste heat . (such as : UNIX password algorithm is DES algorithm -based ) . To modify the Triple DES is also resistant to cracking . The following is a description language on how to achieve the DES algorithm : )

ecc加密算法，通过c语言实现。希望有帮助(ecc c++)

这个是IDEA加密算法的源代码(C语言版本)-This is the IDEA encryption algorithm source code (C language version)

程序采用当前最先进的Rijndael算法作为核心算法，带有可变块长和可变密钥长度的迭代块密码。块长和密钥长度可以分别指定成 128、192 或 256 位。多线程操作，保证加密时程序界面流畅，加密速度大约9M每秒。(Procedures using the most advanced as a core algorithm Rijndael algorithm with variable block length and variable key length of the iterative block password. Block length and key length can be specified as 128,192 or 256. Multi-threaded operation, to ensure smooth program interface encryption, encryption speed of about 9M per second.)

数据加密的一个库：Crypto++，功能很多，接口完善。-A data encryption library: Crypto++, Features a lot of perfect interfaces.

一个增加程序区块的VC代码-an increased program code blocks VC

用友NC uap root角色加密解密工具类(UFIDA NC uap root roles encryption and decryption tools)

CRC循环冗余检测，CRC32的一个检测实例-CRC cyclic redundancy test, CRC32 instance of a test

DES与RSA算法的解析与推演。不是单纯理论的讲解，带着一些应用的角度让对密码学有兴趣的人能很容易理解略显深奥的密码算法。-DES and RSA algorithms with analytic deduction. Not purely theoretical explanations, with the perspective of some applications of cryptography to allow those who are interested can easily understand the slightly esoteric cipher.