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Security and Privacy Protection Research of RFID Application System

Author: YangFan
Tutor: DaiShangPing
School: Central China Normal University
Course: Applied Computer Technology
Keywords: Hash chain Pre-calculated Identification Update
CLC: TP309
Type: Master's thesis
Year: 2011
Downloads: 97
Quote: 1
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There are many kinds of security and privacy protection of RFID systems, security authentication protocol which is the best cost-effective, so the most widely used. Most of these security authentication protocol is the highlight of the two main ways: a hash lock program, need a random number generator; the other hash chain solutions, without the use of a random number generator. The hash lock program identification process requires a random number, so it can not forecast the future output of the label; hash chain solutions can be predicted. The existing the hash chain solutions for this feature, find and lookup table search order to achieve recognition and subsequent calculation in order to achieve server (general) on the back-end and multi-reader system scalability, Evan static program to improve sequential search time required to spend the Evan's dynamic program to improve the memory required to spend a lookup table search. On this basis, designed to improve the hash chain solutions to enable the program to be improved at the same time spending time and memory. This paper first analyzes the causes and threats to the security and privacy issues of RFID application systems, and the integrity of the security policy of the RFID application systems. Designed based the hash chain improvement program, this program is for the server instead of electronic tags to achieve improvements can greatly improve the time and memory costs, can solve the problem of the two privacy attacks, on the basis of the existing programs, especially against the attacker by the illegal reading recognition log to track user behavior attack. Original hash chain solutions, server-side need to use the pre-calculated, the improved program of this pre-calculated optimized, also designed a pre-calculated value is how to efficiently update. Finally a reasonable assessment of the analysis, obtained different scale RFID application system environment improvement program with four scenarios (sequential lookup scheme, lookup table search program, Evan static program and the dynamic program) to do the comparison, the memory usage, as well as pre-calculated authentication and update time spent fine experimental results. The main work done in this paper are: 1. Existing security protocol based on hash chain program elaborated through analysis, problems exist when they are executed on the server. The server uses the different data structures with existing programs. Designed the improved algorithm based on hash chain, the optimized algorithm on the server side of the pre-calculated, and to achieve a more efficient update of pre-computed values ??identify, improve the efficiency of the implementation of the server, reducing the cost of memory . 4. Reasonable on the basis of the experimental analysis and evaluation, and come to the effectiveness of the programs of the different scale RFID application system environment.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > General issues > Security and confidentiality
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