针对 SNOW3G 流密码算法的侧信道分析

SNOW3G 是由 ETSI/SAGE 于 2006 年基于 SNOW2.0 设计的流密码算法, 已被 3GPP 采纳为国际加密标准, 并在 4G/5G 移动通信中作为数据机密性算法和数据完整性算法的核心算法使用. 已有大量研究工作证明了 SNOW3G 算法足以抵御传统的密码分析攻击, 但很少有工作对该算法的具体实现进行分析, 验证算法抵抗侧信道攻击的能力. 本文以 3GPP 标准中 SNOW3G 的算法实现为研究对象, 从侧信道的角度出发在单片机上研究该算法的安全性, 提出了针对该算法的相关性能量攻击方法. 首先, 对 SNOW3G 的算法实现进行分析, 找到算法中存在能量泄漏的操作, 然后...

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Published inJournal of Cryptologic Research Vol. 9; no. 6; p. 1141
Main Authors WANG, Zheng, ZHANG, Chi, Da-Wu, GU, Xiao-Lin, ZHANG, LU, Yan, Yi-Dong, YUAN, 王铮, 张驰, 谷大武, 张效林, 卢岩, 原义栋
Format Journal Article
LanguageChinese
Published Beijing Chinese Association for Cryptologic Research, Journal of Cryptologic Research 01.12.2022
Subjects
Algorithms
Cryptography
Power consumption
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Abstract SNOW3G 是由 ETSI/SAGE 于 2006 年基于 SNOW2.0 设计的流密码算法, 已被 3GPP 采纳为国际加密标准, 并在 4G/5G 移动通信中作为数据机密性算法和数据完整性算法的核心算法使用. 已有大量研究工作证明了 SNOW3G 算法足以抵御传统的密码分析攻击, 但很少有工作对该算法的具体实现进行分析, 验证算法抵抗侧信道攻击的能力. 本文以 3GPP 标准中 SNOW3G 的算法实现为研究对象, 从侧信道的角度出发在单片机上研究该算法的安全性, 提出了针对该算法的相关性能量攻击方法. 首先, 对 SNOW3G 的算法实现进行分析, 找到算法中存在能量泄漏的操作, 然后根据算法中密钥与该操作间的联系制定合理的攻击策略, 最终恢复出算法的密钥. 通过实验对提出的相关性能量攻击方法进行了验证, 结果表明, 在装有 ATMega128A 芯片的单片机上, 利用该方法仅需使用2000条能量消耗曲线即可在 1 小时内完整恢复出算法的密钥.
AbstractList SNOW3G 是由 ETSI/SAGE 于 2006 年基于 SNOW2.0 设计的流密码算法, 已被 3GPP 采纳为国际加密标准, 并在 4G/5G 移动通信中作为数据机密性算法和数据完整性算法的核心算法使用. 已有大量研究工作证明了 SNOW3G 算法足以抵御传统的密码分析攻击, 但很少有工作对该算法的具体实现进行分析, 验证算法抵抗侧信道攻击的能力. 本文以 3GPP 标准中 SNOW3G 的算法实现为研究对象, 从侧信道的角度出发在单片机上研究该算法的安全性, 提出了针对该算法的相关性能量攻击方法. 首先, 对 SNOW3G 的算法实现进行分析, 找到算法中存在能量泄漏的操作, 然后根据算法中密钥与该操作间的联系制定合理的攻击策略, 最终恢复出算法的密钥. 通过实验对提出的相关性能量攻击方法进行了验证, 结果表明, 在装有 ATMega128A 芯片的单片机上, 利用该方法仅需使用2000条能量消耗曲线即可在 1 小时内完整恢复出算法的密钥.
Author Da-Wu, GU
Xiao-Lin, ZHANG
原义栋
ZHANG, Chi
WANG, Zheng
LU, Yan
张驰
王铮
卢岩
Yi-Dong, YUAN
张效林
谷大武
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Snippet SNOW3G 是由 ETSI/SAGE 于 2006 年基于 SNOW2.0 设计的流密码算法, 已被 3GPP 采纳为国际加密标准, 并在 4G/5G 移动通信中作为数据机密性算法和数据完整性算法的核心算法使用. 已有大量研究工作证明了 SNOW3G 算法足以抵御传统的密码分析攻击,...
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SubjectTerms Algorithms
Cryptography
Power consumption
Title 针对 SNOW3G 流密码算法的侧信道分析
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