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Paper 2009/061

Security Enhancement of Various MPKCs by 2-layer Nonlinear Piece In Hand Method

Shigeo Tsujii and Kohtaro Tadaki and Ryou Fujita and Masahito Gotaishi and Toshinobu Kaneko

Abstract

Following the last proposal of the nonlinear Piece in Hand method, which has 3-layer structure, 2-layer nonlinear Piece in Hand method is proposed. Both of them aim at enhancing the security of existing and future multivariate public key cryptosystems. The new nonlinear Piece in Hand is compared with the 3-layer method and PMI+, which was proposed by Ding, et al.

Metadata
Available format(s)
PDF
Category
Public-key cryptography
Publication info
Published elsewhere. Unknown where it was published
Keywords
public key cryptosystemmultivariate public key cryptosystemPiece In Handmultivariate polynomial
Contact author(s)
tsujii @ iisec ac jp
History
2009-02-06: received
Short URL
https://ia.cr/2009/061
License
Creative Commons Attribution
CC BY
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