Method for hierarchical internet trust sharing

A method for hierarchical Internet trust sharing, wherein the Internet is divided into an inter-domain layer and an intra-domain layer based on management domains, each of the management domains comprises a central node and a plurality of communication nodes, the method comprising:

• configuring an identity authentication module at the central node, in which the identity authentication module comprises a real address management module, a real address is configured for identity authentication of a query service, and the identity authentication module is configured to apply for a first certificate of the central node and manage a second certificate of each communication node;
• configuring a central data management module at the central node, and configuring a local data management module at each communication node, to provide connections with the identity authentication module for data addition, deletion and update;
• collecting by the central node, temporary data reported by each communication node every preset time interval, generating a trust evaluation value of each communication node based on the temporary data, and sending the trust evaluation value to each communication node;
• generating by the central node, a format file from data at each communication node every preset time interval, so that a file digest of the format file is verified by other central nodes in the inter-domain layer, and the file digest is published to a blockchain;
• directly obtaining by a target communication node in a target management domain among the plurality of management domains, intra-domain data from another communication node in the target management domain after verifying an identity of the target communication node;
• or sending by a target central node in the target management domain, trust data of another communication node in another management domain to the target communication node after verifying an identity of the target communication node, in which original data of the trust data and corresponding data digest in the blockchain is maintained by the target central node;
• and
• automatically deleting by the blockchain, file digest data from the time interval 1 to the time interval (N-T-1) to retain blockchain header information every T time intervals, where N is a number of blocks in the blockchain, where the N-T-1 is greater than 1.