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传统的数字证书营运中,存在从证书目录服务器申请数字证书不经检查,和获得其他用户的数字证书后,发秘密信函不受安全级限制的安全问题。提出了一个数字证书营运中的基于任务的访问控制模型,解决了数字证书营运中的安全问题。
In the traditional operation of digital certificates, there is a security problem that a secret letter is not limited by the security level after being applied for a digital certificate from a certificate directory server without checking and obtaining the digital certificates of other users. Proposed a task-based access control model in the operation of digital certificates and solved the security problems in the operation of digital certificates.