Method for verifying legal terminal information extension sequence

A technology of information expansion and verification method, which is applied to electrical components, transmission systems, etc., can solve the problems of poor anti-replay attack capability and low authentication efficiency, and achieve the effects of improving survivability, improving resolution accuracy, and reducing correlation
CN111787014AInactive Publication Date: 2020-10-16CHINA UNIV OF PETROLEUM (EAST CHINA)
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CHINA UNIV OF PETROLEUM (EAST CHINA)
Publication Date
2020-10-16
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a method for verifying a legal terminal information extension sequence, which comprises the following steps of: generating terminal information SrcIP used by a socket data packet by using a timestamp by adopting a replay attack resistance algorithm at a client, and improving the replay attack resistance of the terminal information extension sequence due to the timeliness of the terminal information. The objective of the invention is to improve the viability of a single end information extension data packet in a complex network environment, port discretization is carried out on the end information DstPort, the other end information DstIP is determined through the DstIP selection algorithm, and a receiver only needs to verify the correctness of the DstPort and the DstIP, so that verification of the legal end information extension data packet can be completed. According to the invention, the verification efficiency of the legal end information extension sequence and the capability of filtering invalid data packets are improved, so that the end information extension sequence can better adapt to a complex network environment.
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Description

technical field

[0001] The invention relates to a method for verifying the extended sequence of legal end information, which aims at realizing the identification and verification of the extended sequence of legal end information in a complex network environment, and belongs to the technical field of network security. Background technique

[0002] A network socket (socket) is an interface used to access the underlying network protocol, and is the cornerstone of communication between two different host processes in the network, located between the application layer and the transport layer. The data packet generated by the socket includes source address, source port number, destination address, destination port number, and communication protocol, etc., where the address and port number are used to identify specific services on specific hosts in the network. In the process of using the socket, the communication parties are divided into the server and the client. The server write...

Claims

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