P2P Network Peer Enrollment Credential Verification
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
In P2P networks, existing security measures fail to accurately identify malicious routing table updates, allowing malicious peers to deceive new peers with false routing information, compromising network security.
Innovation Solution
A peer enrollment method that verifies peer identity and generates a peer credential containing location information, which is used to determine the closest peer in physical distance for routing table updates, preventing malicious route information from being propagated.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If all peers perform check and authentication every time route information is received, then network security is improved, but system complexity and overhead increase significantly
Solution Approach 1:
The patent applies preliminary action by performing authentication during the peer enrollment phase before the peer joins the network. The enrollment server verifies the peer's identity and issues a credential in advance, so that when the peer later sends routing information, other peers can verify its credential without performing full authentication again. This shifts the authentication burden to the enrollment stage, improving security while reducing operational overhead.
Solution Approach 2:
The patent introduces an enrollment server as an intermediary that performs centralized authentication and issue credentials to peers. This intermediary handles the complex verification process once during enrollment, and the resulting credentials enable peers to quickly verify each other's legitimacy without repeating the full authentication process. The intermediary absorbs the complexity, allowing peers to operate more efficiently.
2Ease of operation
If new peers trust routing information from existing peers without verification, then ease of joining the network is improved, but network security deteriorates due to malicious peers
Solution Approach 1:
The system performs preliminary authentication through the enrollment server before the peer becomes fully operational. The credential issued during enrollment serves as pre-verified proof of legitimacy, allowing new peers to join easily while maintaining security. The new peer simply needs to present its credential rather than undergo complex verification processes.
Solution Approach 2:
The enrollment server acts as a trusted intermediary that vouches for the new peer's legitimacy. By issuing a credential that other peers can verify, the enrollment server enables new peers to be trusted without requiring them to establish trust relationships with multiple existing peers manually. This intermediary mechanism simplifies the enrollment process while ensuring security.
3Measurement precision
If routing tables are updated frequently to maintain accuracy, then routing correctness is improved, but network traffic overhead increases
Solution Approach 1:
The patent implements feedback mechanisms where peers monitor the validity of routing information and only update routing tables when necessary. The credential verification system provides feedback on peer legitimacy, allowing peers to filter out potentially malicious routing updates. This selective updating approach maintains routing accuracy while reducing unnecessary update traffic.
Solution Approach 2:
The system applies preliminary anti-action by using credential verification to prevent malicious or invalid routing updates before they can corrupt the routing table. By checking the sender's credential against the credential in the routing information, the system proactively blocks false updates, reducing the need for corrective updates and lowering overall traffic overhead.
Data Source
AI summary
Embodiments of the present invention disclose a peer enrollment method, a route updating method, a communication system, and relevant devices to improve security of a peer-to-peer (P2P) network. The peer enrollment method includes: receiving an enrollment request from a peer, where the enrollment request carries identity information of the peer; verifying the identity information of the peer, and if the verification succeeds, obtaining peer location information of the peer and generating a peer credential according to the peer location information; and sending the peer credential carrying the peer location information to the peer so that the peer joins the P2P network according to the peer credential. Embodiments of the present invention further provide a route updating method, a communication system, and relevant devices. Embodiments of the present invention may improve security of the P2P network effectively.