A Named Data Network Anti-Name Filtering Method Based on Directory Proxy

A technology of named data network and directory proxy, which is applied in the field of anti-name filtering of named data network based on directory proxy, and can solve problems such as name filtering attacks

Active Publication Date: 2021-04-20
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] In order to solve the problem of name filtering attack existing in the existing NDN, the present invention proposes an anti-name filtering method for named data network based on directory agent

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  • A Named Data Network Anti-Name Filtering Method Based on Directory Proxy
  • A Named Data Network Anti-Name Filtering Method Based on Directory Proxy
  • A Named Data Network Anti-Name Filtering Method Based on Directory Proxy

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Embodiment Construction

[0031] The technical solution of the present invention will be described in further detail below in conjunction with the accompanying drawings.

[0032] The program of the present invention is carried out in three steps:

[0033] S1 initialization: set up a directory agent (server) in the network, map the real names filtered by the network to disguised names one by one, publish a directory file including the real name and the disguised name, and the directory file is dynamically updated every time interval T ;The directory agent randomly selects a random number to obtain the broadcast encryption public key PK and master key MK of the directory agent;

[0034] S2 user registration: user i registers with the directory agent, and the directory agent stores the user's username UN i , password Pass i , and add user i to the broadcast group S, generate user i's broadcast encryption private key dk i distributed to users;

[0035] S3 content request: The user submits a directory f...

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Abstract

The invention discloses a name data network anti-name filtering method based on a directory agent. The directory agent provides regularly updated directory files with one-to-one correspondence between the real name and the fake name. Masquerade name correspondence, send requests to the directory agent with the masquerade name; the directory agent translates the masquerade name, learns the real name requested by the user, retrieves the requested content file for the user, and then sends the content file to the user through broadcast encryption. The proposal of the present invention can be applied to the scene where there are hijacked routers in the network, effectively avoiding the name filtering attack of the hijacked routers in the network, and at the same time not only ensuring that the interest packet has good routable, but also ensuring the cache in the network utilization rate.

Description

technical field [0001] The present invention relates to data naming network (NDN: Named Data Networking), and specifically designs a named data network anti-name filtering method based on a directory agent. Background technique [0002] With the development of Internet technology, the scope and scale of Internet applications have far exceeded the original design intention. The main body of application has turned to the acquisition of content resources such as text information and multimedia audio and video. The demand for content distribution is increasing day by day, and it has gradually become the focus of today's Internet. The existing TCP / IP architecture adopts a host-oriented transmission mode, which has large network transmission redundancy, low content distribution efficiency, and many deficiencies in mobility and security. Although improved technologies such as P2P and CDN (Content Delivery Network) have emerged, they still cannot meet the needs of Internet services ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06
CPCH04L63/0442H04L63/1483
Inventor 陶宇朱轶黄睿岚
Owner JIANGSU UNIV
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