SECURITY SYSTEM FOR REAL-TIME MULTIMEDIA IN MULTIPARTY COMMUNICATION NETWORKS

摘要

PURPOSE: A security system for real-time multimedia traffic in a multiparty communication network is provided to secure the security safeness by including a re-authentication function with respect to user authentication, file encryption, and video telephony. CONSTITUTION: An authenticating module(210) authenticates a user in a connecting process with a server through a client. A text encoding/decoding module(220) encodes/decodes a chatting message in order to protect a chatting session. A file encoding/decoding module(230) encodes/decodes files in order to protect a file transmitting session. A re-authenticating module(240) re-authenticates a user in order to protect a video telephony session.