On small secret key attack against RSA with high bits known prime factor. - Yasufumi Hashimoto (IACR Cryptol. ePrint Arch., 2010)

Algorithms to Solve Massively Under-Defined Systems of Multivariate Quadratic Equations. - Yasufumi Hashimoto (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2011)

General Fault Attacks on Multivariate Public Key Cryptosystems. - Yasufumi Hashimoto; Tsuyoshi Takagi; Kouichi Sakurai (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2013)

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 (PQCrypto, 2014)

Extended Algorithm for Solving Underdefined Multivariate Quadratic Equations. - Hiroyuki Miura; Yasufumi Hashimoto; Tsuyoshi Takagi (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2014)

Cryptanalysis of multi-HFE. - Yasufumi Hashimoto (IACR Cryptol. ePrint Arch., 2015)

Cryptanalysis of the Quaternion Rainbow. - Yasufumi Hashimoto (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2015)

A note on Tensor Simple Matrix Encryption Scheme. - 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)

On the security of Cubic UOV. - Yasufumi Hashimoto (IACR Cryptol. ePrint Arch., 2016)

Cryptanalysis of the Multivariate Signature Scheme Proposed in PQCrypto 2013. - Yasufumi Hashimoto (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2016)

Multivariate Public Key Cryptosystems. - Yasufumi Hashimoto (CREST Crypto-Math Project, 2017)

On the security of HMFEv. - Yasufumi Hashimoto (IACR Cryptol. ePrint Arch., 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)

Chosen ciphertext attack on ZHFE. - Yasufumi Hashimoto (JSIAM Lett., 2017)

On the security of Circulant UOV/Rainbow. - Yasufumi Hashimoto (IACR Cryptol. ePrint Arch., 2018)

High-rank attack on HMFEv. - Yasufumi Hashimoto (JSIAM Lett., 2018)

A note on the multivariate cryptosystem based on a linear code. - Yasufumi Hashimoto (IACR Cryptol. ePrint Arch., 2019)

Chosen Message Attack on Multivariate Signature ELSA at Asiacrypt 2017. - Yasufumi Hashimoto; Yasuhiko Ikematsu; Tsuyoshi Takagi (J. Inf. Process., 2019)

Key recovery attack on Circulant UOV/Rainbow. - Yasufumi Hashimoto (JSIAM Lett., 2019)

On the security of Diene-Thabet-Yusuf's cubic multivariate signature scheme. - Yasufumi Hashimoto (IACR Cryptol. ePrint Arch., 2020)

On the security of Hufu-UOV. - 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 modifier Q for multivariate signature schemes. - Yasufumi Hashimoto (IACR Cryptol. ePrint Arch., 2021)

An elementary construction of QR-UOV. - Yasufumi Hashimoto (IACR Cryptol. ePrint Arch., 2022)

Key recovery attack on Hufu-UOV. - Yasufumi Hashimoto (JSIAM Lett., 2022)

An improvement of algorithms to solve under-defined systems of multivariate quadratic equations. - Yasufumi Hashimoto (JSIAM Lett., 2023)

Solving the Problem of Blockwise Isomorphism of Polynomials with Circulant Matrices. - Yasufumi Hashimoto (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2023)