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Named data network anti-name filtering method based on directory agent

A technology of named data network and directory proxy, applied in the field of name data network anti-name filtering based on directory proxy.

Active Publication Date: 2019-07-26
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

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

Method used

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  • Named data network anti-name filtering method based on directory agent
  • Named data network anti-name filtering method based on directory agent
  • Named data network anti-name filtering method based on directory agent

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Experimental program
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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 named data network anti-name filtering method based on a directory agent. The directory agent provides regularly updated directory files with real names and camouflage namesin one-to-one correspondence, and a user requests the directory files in an interest packet signature mode, inquires the corresponding relation between the real names and the camouflage names and sends a request to the directory agent through the camouflage names; and the directory agent translates the disguised name, obtains the real name requested by the user, takes back the requested content file instead of the user, and sends the content file to the user in a broadcast encryption manner. The method can be applied to the scene that the hijacked router exists in the network, the name filtering attack of the hijacked router in the network is effectively avoided, meanwhile, it is guaranteed that the interest packet has good routing performance, and the utilization rate of the cache in thenetwork is guaranteed.

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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IPC IPC(8): H04L29/06
CPCH04L63/0442H04L63/1483
Inventor 陶宇朱轶黄睿岚
Owner JIANGSU UNIV
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