Identity-Based Format-Preserving Encryption

Identity-Based Format-Preserving Encryption
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DOI:
10.1145/3133956.3133995
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发表时间:
2017-10
期刊:
Proceedings of the 2017 ACM SIGSAC Conference on Computer and Communications Security
影响因子:
--
通讯作者:
M. Bellare;V. Hoang
M. Bellare;V. Hoang
中科院分区:
其他
文献类型:
--
作者:
M. Bellare;V. Hoang

文献摘要

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我们引入基于身份的格式保持加密(IB-FPE)作为一种方法来本地化和限制的损害,格式保持加密(FPE)从密钥暴露。给出了FPE方案到IB-FPE方案的定义、它们之间的关系、一般攻击和两种变换。作为一个特殊的情况下,我们介绍和覆盖基于身份的可调块密码。我们应用这一切来分析DFF,一个FPE计划提出NIST的标准化。
We introduce identity-based format-preserving encryption (IB-FPE) as a way to localize and limit the damage to format-preserving encryption (FPE) from key exposure. We give definitions, relations between them, generic attacks and two transforms of FPE schemes to IB-FPE schemes. As a special case, we introduce and cover identity-based tweakable blockciphers. We apply all this to analyze DFF, an FPE scheme proposed to NIST for standardization.