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密码算法的目的是为了保护信息的保密性、完整性和安全性,简单地说就是信息的防伪造与防窃取。本文主要讨论几种常用密码算法的特点及实现方法等内容。
The purpose of the cryptographic algorithm is to protect the confidentiality, integrity and security of the information, simply to prevent the forgery and theft of information. This article mainly discusses several common cryptographic algorithms features and implementation methods and so on.