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公钥分发是非对称加密技术的核心问题之一,解决好此问题对云存储环境中加密文件共享有重要的支持作用。域名系统安全扩展(Domain Name System Security Extensions,DNSSEC)具有安全可信的记录分发功能。本文提出了一种基于DNSSEC的公钥分发方法,利用DNSSEC为用户提供可信的公钥管理服务器定位服务,结合方便快捷的身份认证方法,应用在科研在线文档库中。该方法与传统的PKI相比,具有花费低、灵活性高、易管理等特点。
Public key distribution is one of the core problems of asymmetric encryption technology. To solve this problem, it plays an important role in supporting encrypted file sharing in cloud storage environment. Domain Name System Security Extensions (DNSSEC) has a secure and trusted record distribution function. This paper presents a public key distribution method based on DNSSEC. It uses DNSSEC to provide credible public key management server location service for users. Combined with convenient and quick authentication methods, it is used in scientific research online document library. Compared with the traditional PKI, this method has the characteristics of low cost, high flexibility and easy management.