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Paper 2021/1046

On the modifier Q for multivariate signature schemes

Yasufumi Hashimoto

Abstract

At PQCrypto 2021, Smith-Tone proposed a new modifier, called ``Q'', to construct a fast multivariate signature scheme from a known scheme. In the present paper, we propose an idea to weaken the security of this modifier.

Note: 3 pages

Metadata
Available format(s)
PDF
Category
Public-key cryptography
Publication info
Preprint. MINOR revision.
Keywords
multivariate public-key cryptosystemsmodifier Q
Contact author(s)
hashimoto @ math u-ryukyu ac jp
History
2021-08-16: received
Short URL
https://ia.cr/2021/1046
License
Creative Commons Attribution
CC BY
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