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Research on Authentication Algorithm of Biometrical Properties Information

Author: ZhuWeiXiao
Tutor: LuoYuanï¼›ChenHuiMin
School: Shanghai Jiaotong University
Course: Computer technology
Keywords: Biometric Authentication Error correction coding Linear equidistant codes
CLC: TN918.2
Type: Master's thesis
Year: 2010
Downloads: 81
Quote: 0
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Abstract


Biometric because of its stability, unique , easy to lose and difficult to counterfeit , and has become a reliable and efficient means of identification . Information based biometric identification and authentication has broad application prospects . This paper studies a variety of authentication and biometric identification methods , and made ??improvements to the defects in the security of biometric authentication scheme -Juels Wattenberg algorithm . Biometric Notwithstanding its unique advantages , but in the use of biometric authentication process , also tend to encounter a lot of difficulties . For example, the collection of biometric information is vulnerable to external factors , resulting in not properly identify . At this time you need to use error correction coding techniques to solve this problem . Error correction coding , to remove the biometric information subject to outside interference in the acquisition process , so as to achieve the purpose of proper collection of information . Linear equidistant encoding is an excellent error correction code, which has excellent error correction and detection capability . This paper analyzes the linear equidistant coding coding theory , linear equidistant code of two tectonic method can effectively solve the problem of biometric information collection is susceptible to interference , can improve the accuracy of the collection of biometric information . The Juels Wattenberg algorithm is a simple and efficient error correction coding based biometric information authentication scheme . The attacker easily constructed from the acquired enough system to store data through forged characteristics of the system authentication information , the security there is a big risk . This paper presents a linear equidistant coding improvement program , part of the registration process and the error correction coding improvements , to make up for the deficiencies of the original proposal . The theoretical and experimental results prove that the improved algorithm effectively improve the security of the original algorithm . The significance of this paper is that the improved algorithm by biometric authentication , not only improve the security of the original program , and at the same time be able to improve the accuracy and stability of the biometric information to identify the widely used biometric technology , has a very important significance.

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Communicate > Confidentiality of communications and communications security > Password, machine
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