Blockchain-based distributed trusted network connection method

Abstract

The invention discloses a blockchain-based distributed trusted network connection method. To solve the problem that the distributed network access control framework cannot be provided in the existing trusted network connection, the implementation plan is: in the initialization stage, the terminal device registers and sends the information; the trusted third party verifies the registration information; the terminal device generates the initial transaction and broadcasts; the initial The transaction is stored in the blockchain; in the trusted network connection stage, any two terminals pass the two-way user and platform authentication of the blockchain; after the authentication is passed, in the update transaction stage, the terminal device generates an update transaction and broadcasts it; the update transaction is stored in the blockchain . The present invention combines blockchain and TNC to form an overall framework, without the participation of a trusted third party, to ensure two-way security authentication between users and platforms between terminal devices. Effectively defend against man-in-the-middle attacks and prevent malicious nodes from accessing the network. The invention is safe and credible, and is used for safe and credible connections in distributed networks.

Description

technical field [0001] The invention belongs to the technical field of network security, relates to a trusted network connection in the trusted computing field, and specifically relates to a blockchain-based distributed trusted network connection method. Trusted security connections for end-device users and platforms in a distributed network. Background technique [0002] The emergence of TCG (Trusted Computing Group) organization and a series of technical specifications including TNC (Trusted Network Connect) specification in 2003 marks the further maturity of trusted computing field. Under the guidance of the TNC specification, Cisco NAC uses the network infrastructure to perform security policy checks on all devices attempting to access network computing resources, thereby limiting emerging security threats such as viruses, worms, and spyware from compromising network security; The agent's client application transmits system information to a network policy server that wo...

AI Technical Summary

Problems solved by technology

However, the premise of this scheme is unreasonable, that is, in this scheme, the miners are completely trusted and in charge of the private key information of all terminal devices. Therefore, when the miners are maliciously invaded, the entire scheme system will face paralysis. Malicious terminal devices in the network environment will not be able to identify and verify, and the scheme does not design a trusted connection method for terminal devices based on the TNC framework, so it cannot guarantee the safe and trusted connection of terminal devices in a distributed environment

[0005] In the existing technology, all secure network connections require authentication by a trusted third party. There are problems such as single point of failure, extended network communication transmission time, and high overhead costs. In the absence of trusted third-party management, the existing The scheme does not have a complete scheme that can ensure the security authentication between terminal devices

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