Yasufumi Hashimoto

According to our database, Yasufumi Hashimoto authored at least 28 papers between 2010 and 2023.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2023

Solving the Problem of Blockwise Isomorphism of Polynomials with Circulant Matrices.

Yasufumi Hashimoto

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., March, 2023

An improvement of algorithms to solve under-defined systems of multivariate quadratic equations.

Yasufumi Hashimoto

JSIAM Lett., 2023

2022

Key recovery attack on Hufu-UOV.

Yasufumi Hashimoto

JSIAM Lett., 2022

An elementary construction of QR-UOV.

Yasufumi Hashimoto

IACR Cryptol. ePrint Arch., 2022

2021

On the modifier Q for multivariate signature schemes.

Yasufumi Hashimoto

IACR Cryptol. ePrint Arch., 2021

Minor improvements of algorithm to solve under-defined systems of multivariate quadratic equations.

Yasufumi Hashimoto

IACR Cryptol. ePrint Arch., 2021

On the security of Hufu-UOV.

Yasufumi Hashimoto

IACR Cryptol. ePrint Arch., 2021

2020

On the security of Diene-Thabet-Yusuf's cubic multivariate signature scheme.

Yasufumi Hashimoto

IACR Cryptol. ePrint Arch., 2020

2019

Key recovery attack on Circulant UOV/Rainbow.

Yasufumi Hashimoto

JSIAM Lett., 2019

Chosen Message Attack on Multivariate Signature ELSA at Asiacrypt 2017.

Yasufumi Hashimoto, Yasuhiko Ikematsu, Tsuyoshi Takagi

J. Inf. Process., 2019

A note on the multivariate cryptosystem based on a linear code.

Yasufumi Hashimoto

IACR Cryptol. ePrint Arch., 2019

2018

High-rank attack on HMFEv.

Yasufumi Hashimoto

JSIAM Lett., 2018

On the security of Circulant UOV/Rainbow.

Yasufumi Hashimoto

IACR Cryptol. ePrint Arch., 2018

2017

Chosen ciphertext attack on ZHFE.

Yasufumi Hashimoto

JSIAM Lett., 2017

Key Recovery Attacks on Multivariate Public Key Cryptosystems Derived from Quadratic Forms over an Extension Field.

Yasufumi Hashimoto

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2017

On the security of HMFEv.

Yasufumi Hashimoto

IACR Cryptol. ePrint Arch., 2017

Multivariate Public Key Cryptosystems.

Yasufumi Hashimoto

Proceedings of the Mathematical Modelling for Next-Generation Cryptography: CREST Crypto-Math Project, 2017

2016

Cryptanalysis of the Multivariate Signature Scheme Proposed in PQCrypto 2013.

Yasufumi Hashimoto

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2016

On the security of Cubic UOV.

Yasufumi Hashimoto

IACR Cryptol. ePrint Arch., 2016

On the security of new vinegar-like variant of multivariate signature scheme.

Yasufumi Hashimoto

IACR Cryptol. ePrint Arch., 2016

A note on Tensor Simple Matrix Encryption Scheme.

Yasufumi Hashimoto

IACR Cryptol. ePrint Arch., 2016

2015

Cryptanalysis of the Quaternion Rainbow.

Yasufumi Hashimoto

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2015

Cryptanalysis of multi-HFE.

Yasufumi Hashimoto

IACR Cryptol. ePrint Arch., 2015

2014

Extended Algorithm for Solving Underdefined Multivariate Quadratic Equations.

Hiroyuki Miura, Yasufumi Hashimoto, Tsuyoshi Takagi

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2014

A Polynomial-Time Algorithm for Solving a Class of Underdetermined Multivariate Quadratic Equations over Fields of Odd Characteristics.

Chen-Mou Cheng, Yasufumi Hashimoto, Hiroyuki Miura, Tsuyoshi Takagi

Proceedings of the Post-Quantum Cryptography - 6th International Workshop, 2014

2013

General Fault Attacks on Multivariate Public Key Cryptosystems.

Yasufumi Hashimoto, Tsuyoshi Takagi, Kouichi Sakurai

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2013

2011

Algorithms to Solve Massively Under-Defined Systems of Multivariate Quadratic Equations.

Yasufumi Hashimoto

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2011

2010

On small secret key attack against RSA with high bits known prime factor.

Yasufumi Hashimoto

IACR Cryptol. ePrint Arch., 2010