Public-key encryption with keyword search secure against continual memory attacks
Public-key encryption with keyword search secure against continual memory attacks
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DOI：
10.1002/sec.1451
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发表时间：
2016-07
期刊：
影响因子：
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通讯作者：
Chengyu Hu;Rupeng Yang;Pengtao Liu;Zuoxia Yu;Yongbin Zhou;Qiuliang Xu
中科院分区：
文献类型：
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作者：
Chengyu Hu;Rupeng Yang;Pengtao Liu;Zuoxia Yu;Yongbin Zhou;Qiuliang Xu
连续记忆攻击是受近年来现实物理攻击的启发而产生的，它已经破坏了许多在传统密码学模型中被认为是安全的密码体制。本文研究了基于关键字搜索的公钥加密方案（PEKS）的持续内存泄漏恢复问题。给出了PEKS连续内存泄漏恢复安全的定义，它允许在陷门生成算法中持续的密钥泄漏，而不是陷门本身的泄漏。我们认为该定义更适合实际PEKS场景。为了构造一个具体的抗连续内存攻击的PEKS方案，首先将Lewko等人提供的通用工具应用于完全安全的匿名身份加密方案，得到了一个抗连续主密钥泄漏的匿名身份加密方案.然后，我们将我们的持续的主密钥泄漏弹性匿名IBE方案转换为PEKS方案使用通用的匿名IBE到PEKS转换，并证明其持续的泄漏弹性安全性。版权所有© 2016约翰威利父子有限公司.
Continual memory attacks, inspired by recent realistic physical attacks, have broken many cryptographic schemes that were considered secure in traditional cryptography model. In this paper, we consider the continual memory leakage resilience in public-key encryption with keyword search scheme (PEKS). We give the definition of continual memory leakage resilience security for PEKS, which allows continual secret key leakage in the trapdoor generation algorithm rather than leakage of trapdoor itself. We believe that the definition is more suitable for practical PEKS scenario. To construct a concrete PEKS scheme secure against continual memory attacks, we firstly obtain a continual master-key leakage-resilient anonymous identity-based encryption (IBE) scheme by applying the generic tool provided by Lewko et al. to a fully secure anonymous IBE scheme that comes from the fully secure anonymous hierarchical identity-based encryption (HIBE) scheme of De Caro and colleagues. Then, we transform our continual master-key leakage-resilient anonymous IBE scheme to a PEKS scheme using the generic Anonymous IBE-to-PEKS transformation and prove its continual leakage-resilient security. Copyright © 2016 John Wiley & Sons, Ltd.