The singularity attack to the multivariate signature scheme himq-3

Jintai Ding; Zheng Zhang; Joshua Deaton

doi:10.3934/amc.2020043

The singularity attack to the multivariate signature scheme himq-3

Jintai Ding, Zheng Zhang, Joshua Deaton

University of Cincinnati

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

We present a cryptanalysis of a signature scheme HIMQ-3 due to Kyung-Ah Shim et al [10], which is a submission to National Institute of Standards and Technology (NIST) standardization process of post-quantum cryptosystems in 2017. We will show that inherent to the signing process is a leakage of information of the private key. Using this information one can forge a signature.

Original language	English
Pages (from-to)	65-72
Number of pages	8
Journal	Advances in Mathematics of Communications
Volume	15
Issue number	1
DOIs	https://doi.org/10.3934/amc.2020043
Publication status	Published - Feb 2021
Externally published	Yes

Keywords

Cryptanalysis
Multivariate public key cryptography
Multivariate qudratic equations
Oil vinegar signature scheme

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10.3934/amc.2020043

Cite this

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abstract = "We present a cryptanalysis of a signature scheme HIMQ-3 due to Kyung-Ah Shim et al [10], which is a submission to National Institute of Standards and Technology (NIST) standardization process of post-quantum cryptosystems in 2017. We will show that inherent to the signing process is a leakage of information of the private key. Using this information one can forge a signature.",

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KW - Multivariate qudratic equations

KW - Oil vinegar signature scheme

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The singularity attack to the multivariate signature scheme himq-3

Abstract

Keywords

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