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Anonymity level optional anonymous message exchange system and realization method thereof

A technology of message exchange and implementation method, applied in the field of information security

Active Publication Date: 2014-10-29
XIDIAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The purpose of the present invention is to provide an anonymous message exchange system with optional anonymity and its implementation method, which overcomes the defect that the existing anonymous message exchange system cannot flexibly adapt to changes in user message anonymity requirements

Method used

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  • Anonymity level optional anonymous message exchange system and realization method thereof
  • Anonymity level optional anonymous message exchange system and realization method thereof
  • Anonymity level optional anonymous message exchange system and realization method thereof

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Embodiment

[0158] In the system initialization process of this embodiment, the anonymity level K=5 is preferred, and the length parameter N corresponding to the K-level queue (including the input queue) is preferred 1 , N 2 ,... ,N 5 100, 200, 400, 800, 1600 respectively. The master server will p, q, g, K, N 1 , N 2 ,... ,N 5 , public key vector {y 1 , y 2 ,...,y 5 } are stored as public parameters, and any user can query the master server for these parameters. In this embodiment, after the system initialization is completed, the K-level queues of the system are all empty.

[0159] After the system initialization is completed, a certain user generates anonymous messages (a, b, c, d) according to the method provided by the present invention. In this embodiment, it is assumed that the user selects any anonymity level between 1 and 5 with equal probability, that is, the probability of the user outputting his plaintext message from any queue is equal.

[0160] After the system is...

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Abstract

The invention relates to an anonymity level optional anonymous message exchange system and a realization method thereof. The existing anonymous message exchange system is incapable of flexibly adapting to the change of the demands of the users on the message anonymity levels. The anonymity level optional anonymous message exchange system comprises a main control server for generating initialization parameters, responding to inquiry requests and coordinating the work of subsystems, a user message input queue for caching messages, K-1 intermediate queues for caching intermediate results, a message processing subsystem for processing messages in the input queue, an output queue for caching messages to be distributed, and a message distributing subsystem for extracting the messages from the output queue and sending the messages to message receivers according to the address fields of the messages. Based on the anonymity level optional anonymous message exchange system, the user can weigh the anonymity level and forwarding delay and then flexibly chooses the appropriate anonymity level and delay parameter; the messages of all anonymity levels are processed together, and the messages different in anonymity level are capable of protecting each other.

Description

technical field [0001] The invention belongs to the technical field of information security, and in particular relates to an anonymous message exchange system with an optional anonymity degree and an implementation method thereof. Background technique [0002] The basic function of the message exchange system is to receive input messages from multiple senders, and after processing, forward the messages to different receivers according to the destination address of each message. A network switch is a typical message exchange system. The message exchange system generally includes four main parts: input queue, output queue, message processing subsystem and message distribution subsystem. Messages from different senders are first buffered into the input queue, and the message processing subsystem cyclically obtains messages from the input queue, processes the messages, and puts them into the output queue. The message distribution subsystem forwards the messages in the output ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/58H04L12/865H04L47/6275
Inventor 李龙海许尚妹黄诚强付少锋
Owner XIDIAN UNIV