Yasuhiko Ikematsu

Publication Activity (10 Years)

Years Active: 2016-2024
Publications (10 Years): 39

Top Topics

Public Key Cryptosystem

Security Analysis

Top Venues

IACR Cryptol. ePrint Arch.

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

Publications

Yasuhiko Ikematsu, Tsunekazu Saito
Hilbert Series for Systems of UOV Polynomials. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 107 (3) (2024)
Yasuhiko Ikematsu, Rika Akiyama
Revisiting the security analysis of SNOVA. APKC@AsiaCCS (2024)
Yasuhiko Ikematsu, Rika Akiyama
Revisiting the security analysis of SNOVA. IACR Cryptol. ePrint Arch. 2024 (2024)
Yasuhiko Ikematsu, Hyungrok Jo, Takanori Yasuda
A security analysis on MQ-Sign. IACR Cryptol. ePrint Arch. 2023 (2023)
Yasuhiko Ikematsu, Hyungrok Jo, Takanori Yasuda
A Security Analysis on MQ-Sign. WISA (2023)
Hiroki Furue, Yasuhiko Ikematsu
A New Security Analysis Against MAYO and QR-UOV Using Rectangular MinRank Attack. IWSEC (2023)
Yasuhiko Ikematsu, Shuhei Nakamura, Tsuyoshi Takagi
Recent progress in the security evaluation of multivariate public-key cryptography. IET Inf. Secur. 17 (2) (2023)
Shuhei Nakamura, Yacheng Wang, Yasuhiko Ikematsu
A New Analysis of the Kipnis-Shamir Method Solving the MinRank Problem. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 106 (3) (2023)
Bagus Santoso, Yasuhiko Ikematsu, Shuhei Nakamura, Takanori Yasuda
Three-Pass Identification Scheme Based on MinRank Problem with Half Cheating Probability. CoRR (2022)
Yuntao Wang, Yasuhiko Ikematsu, Takanori Yasuda
Lattice-Based Public Key Cryptosystems Invoking Linear Mapping Mask. ProvSec (2022)
Yasuhiko Ikematsu, Shuhei Nakamura, Bagus Santoso, Takanori Yasuda
Security Analysis on an El-Gamal-like Multivariate Encryption Scheme Based on Isomorphism of Polynomials. IACR Cryptol. ePrint Arch. 2021 (2021)
Yasushi Takahashi, Momonari Kudo, Ryoya Fukasaku, Yasuhiko Ikematsu, Masaya Yasuda, Kazuhiro Yokoyama
Algebraic approaches for solving isogeny problems of prime power degrees. J. Math. Cryptol. 15 (1) (2021)
Yasuhiko Ikematsu, Shuhei Nakamura
Security Analysis via Algebraic Attack Against "A New Encryption Scheme for Multivariate Quadratic System". ICMC (2021)
Hiroki Furue, Yasuhiko Ikematsu, Yutaro Kiyomura, Tsuyoshi Takagi
A New Variant of Unbalanced Oil and Vinegar Using Quotient Ring: QR-UOV. ASIACRYPT (4) (2021)
Yasuhiko Ikematsu
A Study on Randomness Used in Signature Generation of UOV. ICMC (2021)
Shuhei Nakamura, Yasuhiko Ikematsu, Yacheng Wang, Jintai Ding, Tsuyoshi Takagi
New complexity estimation on the Rainbow-Band-Separation attack. Theor. Comput. Sci. 896 (2021)
Yasuhiko Ikematsu, Shuhei Nakamura, Bagus Santoso, Takanori Yasuda
Security Analysis on an ElGamal-Like Multivariate Encryption Scheme Based on Isomorphism of Polynomials. Inscrypt (2021)
Yasuhiko Ikematsu, Satoshi Nakamura, Masaya Yasuda
A Trace Map Attack Against Special Ring-LWE Samples. IWSEC (2021)
Hiroki Furue, Yasuhiko Ikematsu, Yutaro Kiyomura, Tsuyoshi Takagi
A New Variant of Unbalanced Oil and Vinegar Using Quotient Ring: QR-UOV. IACR Cryptol. ePrint Arch. 2020 (2020)
Yasuhiko Ikematsu, Shuhei Nakamura
Security Analysis Against "A New Encryption Scheme for Multivariate Quadratic Systems". IACR Cryptol. ePrint Arch. 2020 (2020)
Shuhei Nakamura, Yasuhiko Ikematsu, Yacheng Wang, Jintai Ding, Tsuyoshi Takagi
New Complexity Estimation on the Rainbow-Band-Separation Attack. IACR Cryptol. ePrint Arch. 2020 (2020)
Yuntao Wang, Yasuhiko Ikematsu, Koichiro Akiyama, Tsuyoshi Takagi
Cryptanalysis of GiophantusTM Schemes against Hybrid Attack. APKC@AsiaCCS (2020)
Satoshi Nakamura, Yasuhiko Ikematsu, Masaya Yasuda
Dynamic Self-dual DeepBKZ Lattice Reduction with Free Dimensions. ICMC (2020)
Hiroki Furue, Koha Kinjo, Yasuhiko Ikematsu, Yacheng Wang, Tsuyoshi Takagi
A Structural Attack on Block-Anti-Circulant UOV at SAC 2019. PQCrypto (2020)
Satoshi Nakamura, Nariaki Tateiwa, Koha Kinjo, Yasuhiko Ikematsu, Masaya Yasuda, Katsuki Fujisawa
Solving the Search-LWE Problem by Lattice Reduction over Projected Bases. ICMC (2020)
Yasuhiko Ikematsu, Ryoya Fukasaku, Momonari Kudo, Masaya Yasuda, Katsuyuki Takashima, Kazuhiro Yokoyama
Hybrid Meet-in-the-Middle Attacks for the Isogeny Path-Finding Problem. APKC@AsiaCCS (2020)
Shuhei Nakamura, Yacheng Wang, Yasuhiko Ikematsu
Analysis on the MinRank Attack using Kipnis-Shamir Method Against Rainbow. IACR Cryptol. ePrint Arch. 2020 (2020)
Yacheng Wang, Yasuhiko Ikematsu, Shuhei Nakamura, Tsuyoshi Takagi
Revisiting the Minrank Problem on Multivariate Cryptography. WISA (2020)
Yasufumi Hashimoto, Yasuhiko Ikematsu, Tsuyoshi Takagi
Chosen Message Attack on Multivariate Signature ELSA at Asiacrypt 2017. J. Inf. Process. 27 (2019)
Yacheng Wang, Yasuhiko Ikematsu, Dung Hoang Duong, Tsuyoshi Takagi
The Secure Parameters and Efficient Decryption Algorithm for Multivariate Public Key Cryptosystem EFC. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (9) (2019)
Yasufumi Hashimoto, Yasuhiko Ikematsu, Tsuyoshi Takagi
Chosen Message Attack on Multivariate Signature ELSA at Asiacrypt 2017. IACR Cryptol. ePrint Arch. 2018 (2018)
Yasuhiko Ikematsu, Koichiro Akiyama, Tsuyoshi Takagi
An Improvement on the Linear Algebraic Attack for the Indeterminate Equation Encryption Scheme. ISITA (2018)
Yasufumi Hashimoto, Yasuhiko Ikematsu, Tsuyoshi Takagi
Chosen Message Attack on Multivariate Signature ELSA at Asiacrypt 2017. IWSEC (2018)
Yacheng Wang, Yasuhiko Ikematsu, Dung Hoang Duong, Tsuyoshi Takagi
Efficient Decryption Algorithms for Extension Field Cancellation Type Encryption Schemes. ACISP (2018)
Yasuhiko Ikematsu, Dung Hoang Duong, Albrecht Petzoldt, Tsuyoshi Takagi
An Efficient Key Generation of ZHFE Public Key Cryptosystem. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (1) (2018)
Yasuhiko Ikematsu, Ray A. Perlner, Daniel Smith-Tone, Tsuyoshi Takagi, Jeremy Vates
HFERP - A New Multivariate Encryption Scheme. PQCrypto (2018)
Yasuhiko Ikematsu, Dung Hoang Duong, Albrecht Petzoldt, Tsuyoshi Takagi
Revisiting the Efficient Key Generation of ZHFE. C2SI (2017)
Koichiro Akiyama, Yasuhiro Goto, Shinya Okumura, Tsuyoshi Takagi, Koji Nuida, Goichiro Hanaoka, Hideo Shimizu, Yasuhiko Ikematsu
A Public-key Encryption Scheme Based on Non-linear Indeterminate Equations (Giophantus). IACR Cryptol. ePrint Arch. 2017 (2017)
Yasuhiko Ikematsu, Dung Hoang Duong, Albrecht Petzoldt, Tsuyoshi Takagi
Revisiting the Efficient Key Generation of ZHFE. IACR Cryptol. ePrint Arch. 2016 (2016)