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本文分析了使用在数字签名中的一些常见方法,讨论了对称密码体制作为单向函数的一些方式,提出了几种较实用的用对称密码体制实现数字签名的方法,并讨论了它们的优缺点。
This paper analyzes some common methods used in digital signatures and discusses some ways of using symmetric cryptosystem as a one-way function. Several practical methods of digital signatures using symmetric cryptosystem are proposed, and their advantages and disadvantages are discussed .