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对信息进行加密解密操作 设计换位密码 单表代替密码 维吉尼亚密码,Encryption and decryption of information designed to operate a single table instead of transposition password password password Virginia
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古典密码学若干算法
(1) 实现移位密码；
(2) 实现替换密码；
(3) 实现Vigenere密码(选做)；
(4) 实现置换密码(换位密码)；
(5) 对每一种密码，编写加密字符串和加密文件的两种算法并进行实验。
-A number of classical cryptography algorithm (1) the realization of shift cipher (2) to achieve the replacement of the password
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VB加密换位算发，VB6调试通过-Transposition encryption algorithm VB
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this program implements Substitution and Transposition cipher
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DES完整的加解密算法，使用C语言实现，经过测试，可以运行。
明文分组长64比特。有效主密钥长56比特，根据密钥生成算法，由主密钥生成16个48比特的子密钥。
该算法共16轮，每轮使用一个子密钥。
在进行16轮加密之前，先对明文做一个初始置换IP。
每一轮加密的轮函数f为： .
在16轮加密之后，对比特串L16R16换位为R16 L16，做逆置换IP-1，从而得到密文C。
-DES encryption algorithm is complete, use the C l
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C# simple program that encrypt and decrypt text using (columnar transposition) encryption
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VB换位密码加密技术示例源代码VB transposition password encryption source code example-VB transposition password encryption source code example
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进行日常字符的加密、解密功能，具有随机密匙，和采用国际换位法进行加密处理。-Routine character of the encryption, decryption function, with random keys, and the adoption of international transposition encrypted.
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置换密码亦称换位密码。置换只不过是一个简单的换位。每个置换都可以用一个置换矩阵 来表示。每个置换都有一个与之对应的逆置换 。置换密码的特点是仅有一个发送方和接收方知道的加密置换（用于加密）和对应的逆置换（用于解密）。它是对明文 长字母组中的字母位置进行重新排列，而每个字母本身并不改变。-Password replacement, also known as transposition cipher. Replacement is just a simple transposition. Each
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To find the transposition encryption in a text.
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encryption and dycription using Columnar transposition
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换位加密文件。先自己创建一个原文件，然后将其加密。-Transposition encrypted files.First, to create an original document, then encrypt it.
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此程序是基于移位和代换算法实现的对信息的加密和解密，对信息安全行业和从事密码方面的研究是个很好的例子。-This procedure is based on the transposition and substitution algorithm implementation of information encryption and decryption, safe to information industry and in the code area of study is a good
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VB换位密码加密技术示例源代码,有需要的就下载吧。-VB transposition cipher encryption technology sample source code, there is a need to download it.
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Image Encryption based on the RGB PIXEL Transposition and Shuffling
Abstract — Privacy is one of the key issues information Security addresses. Through encryption one can prevent a third party from understanding raw data during signal transmissi
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四种加密解密算法的源代码：移位密码、仿射密码、维吉尼亚密码以及置换密码。-Four kinds of encryption and decryption algorithm source code: transposition cipher, affine password, password and password replacement Virginia.
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移位密码的加密以及攻击方法，Ｃ＋＋文件，密码学初步-Encryption and password attack methods shifts, C++ files, cryptography preliminary
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换位加密解密算法：换位密码就是一种早期的加密方法，与明文的字母保持相同，区别是顺序被打乱了。通常，换位加密采用分组的形式，将明文分成指定的长度n的多组数据，然后在组内按照给定的置换规则进行字符换位。-Transposition encryption algorithm
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In cryptography, a transposition cipher is a method of encryption by which the positions held by units of plaintext (which are commonly characters or groups of characters) are shifted according to a regular system, so that the ciphertext constitutes
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this scr ipt talks about encryption in java which containing the example scr ipt to doing classical cryptography such as classic cipher, transposition cipher, affinecipher and so on. so let s learn together-this scr ipt talks about encryption in java
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