应用于智能卡的真随机数发生器及其后处理算法的研究

本文介绍一种应用于智能卡的真随机数发生器, 并分析了以杂凑函数SM3作为后处理算法来提高其随机数的质量. 真随机数发生器是智能卡中不可缺少的一部分, 它用于智能卡中机密信息的加密和签名, 大多数加密系统的安全性依赖于随机数的不可预测性和不可重现性. 真随机数发生器的实现电路中使用固定低频时钟采样通过反馈模式来控制的的高频时钟, 采用环形振荡器在振荡过程中不断积累的抖动作为熵源，并通过三级级联的耦合方式提高输出的统计特性, 促进随机性的扩散，同时相较传统环形振荡器面积也得到了节省.电路采用SMIC 0.13μm工艺平台实现, 核心电路版图面积小于0.0156 mm2, 包括3个输入端口, 4个输...

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Published inJournal of Cryptologic Research Vol. 3; no. 6; p. 555
Main Authors Xiao-Yan, JIA, Li-Ji, WU, Xiang-Min, ZHANG, Xing-Jun, WU, 贾小艳, 乌力吉, 张向民, 吴行军
Format Journal Article
LanguageChinese
Published Beijing Chinese Association for Cryptologic Research, Journal of Cryptologic Research 30.12.2016
Subjects
Algorithms
Cards
Circuit design
Cryptography
Feedback control
Hash based algorithms
High speed
Oscillators
Phase noise
Random numbers
Randomness
Security
Smart cards
Statistical tests
Online AccessGet full text
ISSN2097-4116
DOI10.13868/j.cnki.jcr.000151

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Abstract 本文介绍一种应用于智能卡的真随机数发生器, 并分析了以杂凑函数SM3作为后处理算法来提高其随机数的质量. 真随机数发生器是智能卡中不可缺少的一部分, 它用于智能卡中机密信息的加密和签名, 大多数加密系统的安全性依赖于随机数的不可预测性和不可重现性. 真随机数发生器的实现电路中使用固定低频时钟采样通过反馈模式来控制的的高频时钟, 采用环形振荡器在振荡过程中不断积累的抖动作为熵源，并通过三级级联的耦合方式提高输出的统计特性, 促进随机性的扩散，同时相较传统环形振荡器面积也得到了节省.电路采用SMIC 0.13μm工艺平台实现, 核心电路版图面积小于0.0156 mm2, 包括3个输入端口, 4个输出端口. 考虑到智能卡具有很高的安全需求, 本文也讨论了一些常见的攻击方式及对应的预防措施. 本文介绍的真随机数发生器已经完成了流片, 并已对芯片进行了完整的测试. 很多研究表明, 后处理算法可以提高随机数的质量, 本文表明测试数据在经过后处理之后, 可以通过随机性测试标准.
AbstractList 本文介绍一种应用于智能卡的真随机数发生器, 并分析了以杂凑函数SM3作为后处理算法来提高其随机数的质量. 真随机数发生器是智能卡中不可缺少的一部分, 它用于智能卡中机密信息的加密和签名, 大多数加密系统的安全性依赖于随机数的不可预测性和不可重现性. 真随机数发生器的实现电路中使用固定低频时钟采样通过反馈模式来控制的的高频时钟, 采用环形振荡器在振荡过程中不断积累的抖动作为熵源，并通过三级级联的耦合方式提高输出的统计特性, 促进随机性的扩散，同时相较传统环形振荡器面积也得到了节省.电路采用SMIC 0.13μm工艺平台实现, 核心电路版图面积小于0.0156 mm2, 包括3个输入端口, 4个输出端口. 考虑到智能卡具有很高的安全需求, 本文也讨论了一些常见的攻击方式及对应的预防措施. 本文介绍的真随机数发生器已经完成了流片, 并已对芯片进行了完整的测试. 很多研究表明, 后处理算法可以提高随机数的质量, 本文表明测试数据在经过后处理之后, 可以通过随机性测试标准.
Author Xiao-Yan, JIA
Xing-Jun, WU
Li-Ji, WU
Xiang-Min, ZHANG
乌力吉
贾小艳
张向民
吴行军
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Snippet 本文介绍一种应用于智能卡的真随机数发生器, 并分析了以杂凑函数SM3作为后处理算法来提高其随机数的质量. 真随机数发生器是智能卡中不可缺少的一部分, 它用于智能卡中机密信息的加密和签名, 大多数加密系统的安全性依赖于随机数的不可预测性和不可重现性....
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SubjectTerms Algorithms
Cards
Circuit design
Cryptography
Feedback control
Hash based algorithms
High speed
Oscillators
Phase noise
Random numbers
Randomness
Security
Smart cards
Statistical tests
Title 应用于智能卡的真随机数发生器及其后处理算法的研究
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