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Anonymous communication path selection method and network node

An anonymous communication, network node technology, applied in electrical components, transmission systems, etc., can solve the problem of failing to meet the requirements of anonymous communication security, unable to ensure nodes on the anonymous communication path, etc., to increase security and reliability. , the effect of not easy to attack

Inactive Publication Date: 2012-07-04
BEIJING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] A country or ISP will have many different network addresses. In the existing anonymous communication process, only the first 16 digits of the IP address are used to select. The nodes on the anonymous communication path have a high probability of being located in the same ISP or the same country. , cannot ensure that the nodes on the anonymous communication path are located in different countries, regions or ISPs, and cannot meet the security requirements of anonymous communication

Method used

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  • Anonymous communication path selection method and network node
  • Anonymous communication path selection method and network node
  • Anonymous communication path selection method and network node

Examples

Experimental program
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Embodiment 1

[0044] Such as figure 1 As shown, it is a flow chart of the anonymous communication path selection method provided in Embodiment 1 of the present invention, wherein,

[0045]Step 10, the anonymous communication initiating node determines the number N of intermediate nodes in the anonymous communication path, and selects node 1 from its neighbor nodes, and node 1 and the initiating node do not belong to the same network area.

[0046] Here, if an anonymous communication initiating node wants to initiate anonymous communication, it first needs to determine the number N of intermediate nodes in the anonymous communication path according to the specific requirements of anonymous communication, and use this number N to control the overall number of nodes in the anonymous communication path. is the length of the path. The intermediate nodes here only include all other nodes in the entire anonymous communication path except the initiator node and the target node.

[0047] After tha...

Embodiment 2

[0065] In the above-mentioned embodiment 1, the initiating node selects node 1, and node 1 selects some nodes from its own neighbor table, which can be 2, 3, or 4, etc., but at least 2, can be set to M. It is required that the M nodes themselves are located in different countries, regions, ISPs, etc., and the M nodes are located in different countries, regions, or ISPs from the initiating node and node 1 . The initiating node selects one of the received M nodes as node 2. Node 2 is required to be located in a different network area from Node 1 and the initiating node.

[0066] By analogy, when node i selects the next node, node i selects M nodes from its own neighbor nodes, and requires that these M nodes are located in different network areas from node i and node i-1 (here, only the following A node is located in a different network area from node i and node i-1, because node i only knows node i-1 and the network area it is in when selecting, and node i cannot know the other...

Embodiment 3

[0068] In order to ensure the establishment of an anonymous communication path, according to the principle of anonymous communication, each node in the network needs to maintain a network area database. When each node in the anonymous communication path selects the next node, it sends the information of M next nodes to be selected to the anonymous communication initiating node, and the anonymous communication initiating node selects the next node.

[0069] Here, the anonymous communication initiating node controls whether to select a node as the next node of the anonymous communication path. When each node selects the next node, it needs to send the information of the M next nodes back to the initiating node. node selection.

[0070] The information sent back by each node to the initiating node may include information about the network area to which the selected next node belongs, and the initiating node only needs to determine whether it belongs to the same network area as al...

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Abstract

The invention discloses an anonymous communication path selection method, which comprises the following steps that: an anonymous communication initiation node determines the number N of intermediate nodes in an anonymous communication path, and selects a node 1 from own adjacent nodes, wherein the node 1 belongs to a network area which is different from that with the initiation node; the same operation is repeated until a node N-1 selects a set number M of nodes from own adjacent nodes, and transmits the M nodes to the initiation nodes, and the initiation node selects a node N from the M nodes, wherein the node N belongs to a network area which is different from those with the node N-1 and all the nodes in the established anonymous communication path; and the node N establishes connection with a target node of anonymous communication. By the method, each node in the path can be ensured to belong to different network areas, and the security and reliability of the anonymous communication path are improved.

Description

technical field [0001] The invention relates to the technical field of anonymous communication, in particular to an anonymous communication path selection method and a network node. Background technique [0002] With the increasingly widespread use of computer networks and the need for network system security in some special departments, some special network protocols and communication systems have emerged, and anonymous communication protocols and anonymous communication systems are one of them. Anonymous communication is an important application on the Internet. It can provide users with services such as privacy protection, anonymous voting, and anonymous publishing. "In communication, the content and time of communication, etc. Anonymity has become an integral requirement for many applications. The anonymous P2P network is a fusion of anonymous technology and P2P technology, which can provide users with more convenient security protection. [0003] In an anonymous P2P ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L29/08
Inventor 陆天波彭勇戴忠华刁婷赵玲玲高海辉
Owner BEIJING UNIV OF POSTS & TELECOMM
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