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首页> 外文期刊>Advanced Science Letters >Biometric Template Protection Based on Hill Cipher Algorithm with Two Invertible Keys
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Biometric Template Protection Based on Hill Cipher Algorithm with Two Invertible Keys

机译:基于Hill Cipher算法的生物识别模板保护,具有两个可逆键

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摘要

The security of stored templates has become an important issue in biometric authentication systems this because most of the biometric attacks target the biometric database beside the difficulty of issuing the templates again. Thus, to protect the biometric templates it must be encryptedbefore storing in database. In this paper we proposed an efficient encryption method based on two invertible and random keys to enhance and overcome the weakness of hill cipher algorithm the keys generated using upper triangular matrices with Pseudo-Random Number Generator (PRNG) using twolarge and random encryption keys. The proposed encryption method provides sufficient security and protection for the biometric templates from attacks, where the experimental results showed high efficiency comparing with the traditional Hill Cipher and existing methods.
机译:存储模板的安全性已成为生物识别身份验证系统中的重要问题,这是因为大多数生物识别攻击才对再次发出模板的难度旁边的生物识别数据库。 因此,为了保护生物识别模板,它必须是在数据库中存储的加密。 在本文中,我们提出了一种基于两个可逆和随机键的高效加密方法,以增强和克服利用双色和随机加密密钥使用伪随机数发生器(PRNG)使用上三角矩阵生成的键生成的密钥的弱点。 所提出的加密方法为来自攻击的生物识别模板提供了足够的安全性和保护,实验结果表明与传统山密码和现有方法相比的高效率。

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