Creating a Transposition Table - 项目摘要 |
摘要
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项目描述: |
Transposition is one of two methods used for encryption and cryptography. The other method is substitution. A world-famous encryption system was the Enigma Encryption System used by the Nazi regime during World War II. Enigma relied heavily on substitution. Modern-day software encryption applications use both methods together. The degree of complexity (for example, the number of times you transpose and substitute plain text and the order in which you do these transpositions and substitutions) partly determines the strength of the encryption.
移项是加密和解密中使用的两种方法之一。另一个方法是置换。一个世界著名的加密算法是第二次世界大战中纳粹使用的 Enigma加密系统。Enigma 主要使用了置换。当代的加密应用程序同时使用这两种方法。复杂度(如调换和置换文本的次数,以及进行这些变换的顺序)部分上决定了加密的长度。
来源: http://www.codeguru.com/vb_misc/TranspositionTable.html |
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发布者:
cbd002
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最新发布源码包 |
软件包 |
版本号 |
日期 |
本地下载 |
TranspositionTable |
 1.0  |
2004-04-14 |
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