GnuPG allows encrypting and signing your data and communication, and features a versatile key-management system and access modules for all kinds of public key directories.
GnuPG支持数据和通信的加密和签名，且以一个多功能的密钥管理系统和各种公钥目录的访问模块为特色。
As the encryption algorithm and decryption algorithm are open to everyone, so the private key storage management becomes an insecure part in public key system.
在公钥密码系统中加密和解密算法是公开的，因此私钥存储管理成了公钥系统安全中薄弱的环节。
Through some improvement to the RSA public key system, a new method of multicast encryption is put forward and then corresponding key management model is given.
并通过对RSA公钥密码算法的改进，给出一种新的组播加密方法，进而给出相应的密钥管理方案。
The key function of this system is management of certificate lifecycle, so also call it public key certificate management system.
本系统的核心功能是对证书生命周期的管理，所以也将其称为公钥证书管理系统。
Since public key cryptography is invented, the research of key management for public key system has been become one of the hotspots of information security.
自公钥密码学诞生以来，公钥体系密钥管理的研究和探讨就一直是信息安全领域的重要研究热点之一。
Ring signature has high computational efficiency and strong anonymity, so the the key management can be solved by using the certificateless public key system.
而环签名具有运算效率高、匿名性强的特点，利用无证书公钥系统可解决密钥管理问题。
Ring signature has high computational efficiency and strong anonymity, so the the key management can be solved by using the certificateless public key system.
而环签名具有运算效率高、匿名性强的特点，利用无证书公钥系统可解决密钥管理问题。
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