design and implementation of network billing system based on authentication of users 基于用户认证的计费系统的设计与实现
tab of the asp . net configuration settings dialog box lets you manage authentication of user accounts and roles for the current web site 使用“asp.net配置设置”对话框的“身份验证”选项卡,可以管理当前网站的用户帐户和角色的身份验证。
pk card is used to realize bi-directional identity authentication of users entry so that it guarantees the legality of users . multi-grade key system, multi-version key and multi-index security system are supported 采用pk卡实现用户登录的双向身份认证机制,保证了登录用户的合法性。支持多级的密钥体系,支持密钥的多版本和多索引安全体系;
"since cc3 adopts an ip-based tetra system, it provides an effective and efficient call set up with more reliable routing capabilities, " the spokesman said . " it also enables good voice quality by prioritising voice packets and allows various types of data to be carried in the same ip manner . security features include encryption and authentication of users to prevent eavesdropping by unauthorised elements, " he added 他续说:此通讯系统亦会善用话音封包以确保优良的话音质素,以及容许以同样的互联网规约方式处理多种资料,而在保安方面,则包括加密技术及核实使用者身分以防止窃听及未经授权接达系统等功能。