基于比特串异或和置乱变换的指纹模板保护算法

针对现有指纹模板保护算法存在的准确性较低、安全性能较差的问题,提出一种基于比特串异或和置乱变换的指纹模板保护算法.该算法在己有二维映射算法的基础上,对得到的比特串进行异或和随机索引置乱变换,有效地将线性和非线性变换相结合,扩展了密钥空间,增强了指纹模板的安全性.理论分析和仿真结果表明,对于密钥泄露场景,该算法在数据库FVC2002 DB1和DB2中的等错误率(Equal error rate,EER)分别为0.08％和0.75％,与现有算法相比,具有较好的准确性和安全性....

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Published in自动化学报 Vol. 46; no. 12; pp. 2681 - 2689
Main Authors 党力, 张雪锋, 惠妍
Format Journal Article
LanguageChinese
Published 西安邮电大学网络空间安全学院 西安710121 01.12.2020
Subjects
安全性
指纹模板
置乱
比特串
异或
Online AccessGet full text
ISSN0254-4156
DOI10.16383/j.aas.c190011

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Abstract 针对现有指纹模板保护算法存在的准确性较低、安全性能较差的问题,提出一种基于比特串异或和置乱变换的指纹模板保护算法.该算法在己有二维映射算法的基础上,对得到的比特串进行异或和随机索引置乱变换,有效地将线性和非线性变换相结合,扩展了密钥空间,增强了指纹模板的安全性.理论分析和仿真结果表明,对于密钥泄露场景,该算法在数据库FVC2002 DB1和DB2中的等错误率(Equal error rate,EER)分别为0.08％和0.75％,与现有算法相比,具有较好的准确性和安全性.
AbstractList 针对现有指纹模板保护算法存在的准确性较低、安全性能较差的问题,提出一种基于比特串异或和置乱变换的指纹模板保护算法.该算法在己有二维映射算法的基础上,对得到的比特串进行异或和随机索引置乱变换,有效地将线性和非线性变换相结合,扩展了密钥空间,增强了指纹模板的安全性.理论分析和仿真结果表明,对于密钥泄露场景,该算法在数据库FVC2002 DB1和DB2中的等错误率(Equal error rate,EER)分别为0.08％和0.75％,与现有算法相比,具有较好的准确性和安全性.
Author 惠妍
张雪锋
党力
AuthorAffiliation 西安邮电大学网络空间安全学院 西安710121
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DANG Li
HUI Yan
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Issue 12
Keywords 安全性
指纹模板
置乱
比特串
异或
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Title 基于比特串异或和置乱变换的指纹模板保护算法
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