Improved Alpha-Information Bounds for Higher-Order Masked Cryptographic Implementations

被引：2

作者：

Liu, Yi ^{[1
]}

Beguinot, Julien ^{[1
]}

Cheng, Wei ^{[1
,2
]}

Guilley, Sylvain ^{[1
,2
]}

Masure, Loic ^{[3
]}

Rioul, Olivier ^{[1
]}

Standaert, Francois-Xavier ^{[3
]}

机构：

[1] Inst Polytech Paris, LTCI, Telecom Paris, F-91120 Palaiseau, France

[2] Secure IC SAS, F-75014 Paris, France

[3] Catholic Univ Louvain, ICTEAM Inst, Louvain, Belgium

来源：

2023 IEEE INFORMATION THEORY WORKSHOP, ITW | 2023年

关键词：

RENYI;

D O I：

10.1109/ITW55543.2023.10161608

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Embedded cryptographic devices are usually protected against side-channel attacks by masking strategies. In this paper, the security of protected cryptographic implementations is evaluated for any masking order, using alpha-information measures. Universal upper bounds on the probability of success of any type of side-channel attack are derived. These also provide lower bounds on the minimum number of queries required to achieve a given success rate. An important issue, solved in this paper, is to remove the loss factor due to the masking field size.

引用

页码：81 / 86

页数：6

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