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数字签名是一种认证机制,它使得消息的产生者可以添加一个起签名作用的码字。通过计算消息的Hash值并用产生者的私钥加密Hash值来生成签名,从而保证消息的来源和完整性。本文介绍了数字签名技术的原理及其基本要求,分析了几种常见的数字签名算法,指出了数字签名过程的一般模型,重点探讨了数字签名技术在电子政务和电子商务方面的应用。
Digital signatures are a type of authentication mechanism that allows the message generator to add a codeword that acts as a signature. Generate a signature by calculating the hash value of a message and encrypting the hash value with the producer’s private key to ensure the origin and integrity of the message. This paper introduces the principle and basic requirements of digital signature technology, analyzes several common digital signature algorithms, points out the general model of digital signature process, and focuses on the application of digital signature technology in e-government and e-commerce.