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ORCIDYasuhiko Ikematsu
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2020 – today
- 2025
[j9]Hiroki Furue, Yasuhiko Ikematsu:
A New Cryptanalysis Against UOV-Based Variants MAYO, QR-UOV and VOX. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 108(3): 174-182 (2025)- 2024
- [j8]Yasuhiko Ikematsu, Tsunekazu Saito:
Hilbert Series for Systems of UOV Polynomials. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 107(3): 275-282 (2024) - [c21]Yasuhiko Ikematsu
, Rika Akiyama:
Revisiting the security analysis of SNOVA. APKC@AsiaCCS 2024 - [i11]Yasuhiko Ikematsu, Rika Akiyama:
Revisiting the security analysis of SNOVA. IACR Cryptol. ePrint Arch. 2024: 96 (2024) - 2023
- [j7]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): 203-211 (2023) - [j6]Yasuhiko Ikematsu, Shuhei Nakamura, Tsuyoshi Takagi:
Recent progress in the security evaluation of multivariate public-key cryptography. IET Inf. Secur. 17(2): 210-226 (2023) - [c20]Hiroki Furue, Yasuhiko Ikematsu:
A New Security Analysis Against MAYO and QR-UOV Using Rectangular MinRank Attack. IWSEC 2023: 101-116 - [c19]Yasuhiko Ikematsu, Hyungrok Jo, Takanori Yasuda:
A Security Analysis on MQ-Sign. WISA 2023: 40-51 - [i10]Yasuhiko Ikematsu, Hyungrok Jo, Takanori Yasuda:
A security analysis on MQ-Sign. IACR Cryptol. ePrint Arch. 2023: 581 (2023) - 2022
- [c18]Bagus Santoso, Yasuhiko Ikematsu, Shuhei Nakamura, Takanori Yasuda:
Three-Pass Identification Scheme Based on MinRank Problem with Half Cheating Probability. ISITA 2022: 59-63 - [c17]Yuntao Wang, Yasuhiko Ikematsu, Takanori Yasuda:
Lattice-Based Public Key Cryptosystems Invoking Linear Mapping Mask. ProvSec 2022: 88-104 - [i9]Bagus Santoso, Yasuhiko Ikematsu, Shuhei Nakamura, Takanori Yasuda:
Three-Pass Identification Scheme Based on MinRank Problem with Half Cheating Probability. CoRR abs/2205.03255 (2022) - 2021
- [j5]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): 31-44 (2021) - [j4]Shuhei Nakamura, Yasuhiko Ikematsu, Yacheng Wang, Jintai Ding, Tsuyoshi Takagi:
New complexity estimation on the Rainbow-Band-Separation attack. Theor. Comput. Sci. 896: 1-18 (2021) - [c16]Hiroki Furue, Yasuhiko Ikematsu, Yutaro Kiyomura, Tsuyoshi Takagi:
A New Variant of Unbalanced Oil and Vinegar Using Quotient Ring: QR-UOV. ASIACRYPT (4) 2021: 187-217 - [c15]Yasuhiko Ikematsu, Shuhei Nakamura, Bagus Santoso, Takanori Yasuda:
Security Analysis on an ElGamal-Like Multivariate Encryption Scheme Based on Isomorphism of Polynomials. Inscrypt 2021: 235-250 - [c14]Yasuhiko Ikematsu, Shuhei Nakamura:
Security Analysis via Algebraic Attack Against "A New Encryption Scheme for Multivariate Quadratic System". ICMC 2021: 9-21 - [c13]Yasuhiko Ikematsu:
A Study on Randomness Used in Signature Generation of UOV. ICMC 2021: 39-50 - [c12]Yasuhiko Ikematsu, Satoshi Nakamura, Masaya Yasuda:
A Trace Map Attack Against Special Ring-LWE Samples. IWSEC 2021: 3-22 - [i8]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: 169 (2021) - 2020
- [c11]Yuntao Wang, Yasuhiko Ikematsu, Koichiro Akiyama, Tsuyoshi Takagi:
Cryptanalysis of GiophantusTM Schemes against Hybrid Attack. APKC@AsiaCCS 2020: 28-35 - [c10]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: 36-44 - [c9]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: 29-42 - [c8]Satoshi Nakamura, Yasuhiko Ikematsu, Masaya Yasuda:
Dynamic Self-dual DeepBKZ Lattice Reduction with Free Dimensions. ICMC 2020: 377-391 - [c7]Hiroki Furue, Koha Kinjo, Yasuhiko Ikematsu, Yacheng Wang, Tsuyoshi Takagi:
A Structural Attack on Block-Anti-Circulant UOV at SAC 2019. PQCrypto 2020: 323-339 - [c6]Yacheng Wang, Yasuhiko Ikematsu, Shuhei Nakamura, Tsuyoshi Takagi:
Revisiting the Minrank Problem on Multivariate Cryptography. WISA 2020: 291-307 - [i7]Yasuhiko Ikematsu, Shuhei Nakamura:
Security Analysis Against "A New Encryption Scheme for Multivariate Quadratic Systems". IACR Cryptol. ePrint Arch. 2020: 53 (2020) - [i6]Shuhei Nakamura, Yasuhiko Ikematsu, Yacheng Wang, Jintai Ding, Tsuyoshi Takagi:
New Complexity Estimation on the Rainbow-Band-Separation Attack. IACR Cryptol. ePrint Arch. 2020: 703 (2020) - [i5]Shuhei Nakamura, Yacheng Wang, Yasuhiko Ikematsu:
Analysis on the MinRank Attack using Kipnis-Shamir Method Against Rainbow. IACR Cryptol. ePrint Arch. 2020: 908 (2020) - [i4]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: 1243 (2020)
2010 – 2019
- 2019
- [j3]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. 102-A(9): 1028-1036 (2019) - [j2]Yasufumi Hashimoto, Yasuhiko Ikematsu, Tsuyoshi Takagi:
Chosen Message Attack on Multivariate Signature ELSA at Asiacrypt 2017. J. Inf. Process. 27: 517-524 (2019) - 2018
- [j1]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. 101-A(1): 29-38 (2018) - [c5]Yacheng Wang, Yasuhiko Ikematsu, Dung Hoang Duong, Tsuyoshi Takagi:
Efficient Decryption Algorithms for Extension Field Cancellation Type Encryption Schemes. ACISP 2018: 487-501 - [c4]Yasuhiko Ikematsu, Koichiro Akiyama, Tsuyoshi Takagi:
An Improvement on the Linear Algebraic Attack for the Indeterminate Equation Encryption Scheme. ISITA 2018: 389-393 - [c3]Yasufumi Hashimoto, Yasuhiko Ikematsu, Tsuyoshi Takagi:
Chosen Message Attack on Multivariate Signature ELSA at Asiacrypt 2017. IWSEC 2018: 3-18 - [c2]Yasuhiko Ikematsu, Ray A. Perlner, Daniel Smith-Tone, Tsuyoshi Takagi, Jeremy Vates:
HFERP - A New Multivariate Encryption Scheme. PQCrypto 2018: 396-416 - [i3]Yasufumi Hashimoto, Yasuhiko Ikematsu, Tsuyoshi Takagi:
Chosen Message Attack on Multivariate Signature ELSA at Asiacrypt 2017. IACR Cryptol. ePrint Arch. 2018: 310 (2018) - 2017
- [c1]Yasuhiko Ikematsu, Dung Hoang Duong, Albrecht Petzoldt, Tsuyoshi Takagi:
Revisiting the Efficient Key Generation of ZHFE. C2SI 2017: 195-212 - [i2]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: 1241 (2017) - 2016
- [i1]Yasuhiko Ikematsu, Dung Hoang Duong, Albrecht Petzoldt, Tsuyoshi Takagi:
Revisiting the Efficient Key Generation of ZHFE. IACR Cryptol. ePrint Arch. 2016: 1065 (2016)
Coauthor Index
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