Identity authentication system based on information security

The invention discloses an identity authentication system based on information security, belongs to the technical field of internet information security, and provides the following scheme for solving the problem of personal identity information and digital identity information security. The system comprises a server and a client for sending a digital identity signing and issuing request to a citizen network identity recognition system, and further comprises an information acquisition module for acquiring user identity real-name information, audio and video information and biological characteristic information according to the client; the digital identity management platform is used for comparing the acquired identity real-name information with the audio and video information, sending the identity real-name information to the citizen network identity recognition system and requesting the citizen network identity recognition system to generate an eID identifier uniquely corresponding to the identity real-name i