方案不仅支持系统内人员和设备的密钥管理、身份认证及公钥密码运算，而且还对加密密钥进行管理。
This scheme not only supports secret key management and identity authentication of personnel and equipment, but also constructs secret key management center and manages encrypted key of the system.
同时，基于身份加密的公钥密码系统中也存在着一些问题，如身份认证、私钥分发以及密钥托管等。
However, there are some problems in IBE such as identity authentication, private key distribution, key escrow and so on.
本文详细的陈述了安全电子邮件的各项技术，并对当前主流基于证书公钥密码体系的安全电子邮件系统进行分析，并引入了基于身份的密码系统。
This paper states all kinds of technologies on secure Email, analyses current popular secure Email system built on certificate-based public key architecture and introduces identity-based cryptosystem.
该系统使用公钥密码技术，设计和实现了一套身份认证协议和相关应用接口，可以更加安全和有效地解决网上应用中面临的网络身份认证问题。
The technology of public key is applied in this system, protocol interfaces of the system which can solve the identity authentication in network effectively are implemented.
提出一个应用椭圆曲线密码体制进行密钥协商而在基于身份的公钥系统内进行组通信的全新安全组播方案。
In this paper, we propose a novel secure multicast scheme with key agreement based on Elliptic Curve Cryptosystem and group communication inside Identity-based Public key Cryptography system.
提出一个应用椭圆曲线密码体制进行密钥协商而在基于身份的公钥系统内进行组通信的全新安全组播方案。
In this paper, we propose a novel secure multicast scheme with key agreement based on Elliptic Curve Cryptosystem and group communication inside Identity-based Public key Cryptography system.
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