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生物特征安全概略构造:理论与实践

Construction of Biometric Secure Sketch:Theory and Practice
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摘要 在指纹数据库上研究了生物特征向量的提取和量化问题,讨论了量化前后的性能变化,并分析了理论上安全概略一致拒绝率和不一致接收率的界。采用BCH纠错码实现了安全概略的构造,计算了不同纠错能力下安全概略一致拒绝率和不一致接收率,分析了实际实现算法与理论界限产生差距的原因,指出了现有安全概略构造在性能和安全方面存在的问题。 Based on fingerprint database,extraction and quantization of biometric vector is studied,the change of performance after quantization is discussed and theoretic bound of genuine rejection rate and imposter acceptance rate are given.Using BCH code,construction of secure sketch is made and under different error correction capability genuine rejection rate and imposter acceptance rate are calculated,the distance between theoretic bound and practical parameters is discussed,problems of capability and security of secure sketch are pointed out.
作者 李西明 杨波 郭玉彬
机构地区 华南农业大学信息学院
出处 《武汉理工大学学报》 CAS CSCD 北大核心 2011年第7期147-151,共5页 Journal of Wuhan University of Technology
基金 国家自然科学基金(60773175和60973134) 现代通信国家重点实验室基金(9140C1108020906) 广东省自然科学基金(9151064201000058) 华南农业大学创新基金(6100-k09156)
关键词 生物特征 密钥提取 安全概略 纠错码 错误率 biometric key extraction secure sketch error correcting code error rate
分类号 TP301 [自动化与计算机技术—计算机系统结构]
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参考文献11

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武汉理工大学学报
2011年 第7期

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