It presents smart card system of session key distribution for communications safety to net video conference transmission, resolves user identity authentication with security.
为网络视频会议传输提供有效的通信安全，采用一个会议密钥分配的智能卡系统，来解决使用者身份认证和通信安全问题。
It can provide high strength (with key of 256bits) encryption, integrality validation, identity authentication based on PKI, and anti-replay protection for upper layer application.
它可以提供256位高强度数据加密、完整性验证、基于PKI的身份认证以及抗重播保护功能，最大限度地对上层应用提供安全保护。
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