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。
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.
当前物流信息系统中存在着XML数据安全的问题，根据XML加密、XML数字签名和XML密钥管理规范服务（XKMS）三种核心标准，在数据交换中确保XML数据的安全。
The security problem of XML data existed in logistic information systems. The application of the XML encryption, XML data signature and XKMS insure the security of logistic information.
各子系统与安全管理中心之间的通信采用了加密、签名、认证等安全机制。
The communication between each subsystem and the security management center integrates many kinds of network security mechanisms such as encryption, signature, authentication etc.
在网络安全方面，运用数字签名、CA认证和用户分级管理体系确保系统在网络运行中的安全性和网络传输的有效性。
As to network safety, digital signature, ca authentication and graded custom management have been applied to insure the safety and efficiency in the network running and transferring.
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.
本模型不仅适用于实时的、大数据传输的网络系统，而且实现了密钥管理、加密管理、数字签名以及身份认证等功能。
The model not only realizes key management, encrypted communication, digital signature and identity authentication, but also is fit for network system with real time and large data transfer.
黑莓开发版本7和爱人，签名密钥错误：服务器无法使用。请联系您的系统管理员联系。
Blackberry Development version 7 and lover, signing key error: server unavailable at this time. please contact your system administrator.
签名于末尾将负责充分地对质量管理系统和代码项目的质量。
The undersigned will be fully responsible for quality Control System and the quality of the Code items.
并在此基础之上，把运用于诸如电子商务等其他领域中的数字签名技术引入“校园一卡通”系统，设计出了校园CPU卡的密钥管理系统。
After do this, the paper introduce the digital signature which used in other domain such ase-commerce into "campus Cards System" then design the campus CPU card key management.
本系统实现了密钥管理、加密管理、数字签名以及身份认证等功能。
This system realizes key management, encrypted communication, digital signature and identity authentication etc.
通过对停电申请、调度任务票、交接班记录等，以及密钥等的管理以及数字签名在系统中的实现，使得本系统成为一个高效、完善、安全的管理信息系统。
The management of power-cut application, dispatching task note and secret key etc and the application of digital signature can ensure that the system is an efficient, secure, and powerful MIS.
因此如何在现有的密码体制和数字签名体制的基础上，构建一个更好的方案保护和管理密钥，是决定现实中系统的安全性的关键。
So it becomes a key problem how to build a better security protection scheme and key management system by making use of the cryptography algorithm in practice.
同时，数字签名系统与权限管理子系统，日志子系统相结合共同保证了该电子政务系统安全、高效地运行。
Combined with privilege management system and log system, this digital signature system ensures that the E-Government system will run safely and efficiently.
通过利用顺序群体数字签名技术，来保证该系统成为一个高效、完善、安全易用的管理信息系统。
Through the order group digital signature technology, the system can be ensured to be an efficient, perfect, secure, and powerful MIS.
通过利用顺序群体数字签名技术，来保证该系统成为一个高效、完善、安全易用的管理信息系统。
Through the order group digital signature technology, the system can be ensured to be an efficient, perfect, secure, and powerful MIS.
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