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IEICE TRANSACTIONS on Fundamentals

Concurrent Error Detection in Montgomery Multiplication over GF(2m)

Che-Wun CHIOU, Chiou-Yng LEE, An-Wen DENG, Jim-Min LIN

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Summary :

Because fault-based attacks on cryptosystems have been proven effective, fault diagnosis and tolerance in cryptography have started a new surge of research and development activity in the field of applied cryptography. Without magnitude comparisons, the Montgomery multiplication algorithm is very attractive and popular for Elliptic Curve Cryptosystems. This paper will design a Montgomery multiplier array with a bit-parallel architecture in GF(2m) with concurrent error detection capability to protect it against fault-based attacks. The robust Montgomery multiplier array with concurrent error detection requires only about 0.2% extra space overhead (if m=512 is as an example) and requires four extra clock cycles compared to the original Montgomery multiplier array without concurrent error detection.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E89-A No.2 pp.566-574
Publication Date
2006/02/01
Publicized
Online ISSN
1745-1337
DOI
10.1093/ietfec/e89-a.2.566
Type of Manuscript
PAPER
Category
Information Security

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