1 介绍1.1 DES对称加密算法介绍对称加密算法通信双方（通信主体）同时掌握一个钥匙，加解密都由这一个钥匙完成。通信双方通信前共同拟定一个密钥，不向第三方公开，发送前加密和接受后解密都由此密钥完成。即钥匙如果泄露，将暴露自己的全部信息。DES（Data Encrytion Standard）算法DES是IBM在上世纪70年代开发的单密钥对称加解密算法。该算法利用一个56+8奇偶效验位（第8，1....

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更新时间 2024-07-06 15:04:02

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