Atsushi Takayasu

75 papers B 6C 6Misc 6Journal 46Unranked 11
YearRankTypeTitle / Venue / Authors
2025 — conf
Efficient Revocable Identity-Based Encryption from Middle-Product LWE.
ACISP (2)
Takumi Nishimura, Atsushi Takayasu
2025 J jnl
Efficient Revocable Identity-Based Encryption from Middle-Product LWE.
IACR Cryptol. ePrint Arch.
Takumi Nishimura, Atsushi Takayasu
2025 — conf
Partial Key Exposure Attacks on UOV and Its Variants.
ACISP (2)
Yuki Seto, Hiroki Furue, Atsushi Takayasu
2025 J jnl
Partial Key Exposure Attacks on UOV and Its Variants.
IACR Cryptol. ePrint Arch.
Yuki Seto, Hiroki Furue, Atsushi Takayasu
2025 — conf
Tight Adaptive Simulation Security for Identity-Based Inner-Product FE in the (Quantum) Random Oracle Model.
PKC (3)
Tenma Edamura, Atsushi Takayasu
2025 J jnl
Tight Adaptive Simulation Security for Identity-based Inner-Product FE in the (Quantum) Random Oracle Model.
IACR Cryptol. ePrint Arch.
Tenma Edamura, Atsushi Takayasu
2024 — conf
Attribute-Based Keyed Fully Homomorphic Encryption.
SCN (2)
Keita Emura, Shingo Sato, Atsushi Takayasu
2024 J jnl
Attribute-based Keyed (Fully) Homomorphic Encryption.
IACR Cryptol. ePrint Arch.
Keita Emura, Shingo Sato, Atsushi Takayasu
2024 J jnl
More Efficient Adaptively Secure Lattice-Based IBE with Equality Test in the Standard Model.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Kyoichi Asano, Keita Emura, Atsushi Takayasu
2024 — conf
On the Untapped Potential of the Quantum FLT-Based Inversion.
ACNS (2)
Ren Taguchi, Atsushi Takayasu
2024 J jnl
On the Untapped Potential of the Quantum FLT-based Inversion.
IACR Cryptol. ePrint Arch.
Ren Taguchi, Atsushi Takayasu
2023 J jnl
A Generic Construction of CCA-Secure Identity-Based Encryption with Equality Test against Insider Attacks.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Keita Emura, Atsushi Takayasu
2023 — conf
A Lattice Attack on CRYSTALS-Kyber with Correlation Power Analysis.
ICISC (1)
Yen-Ting Kuo, Atsushi Takayasu
2023 J jnl
A Lattice Attack on CRYSTALS-Kyber with Correlation Power Analysis.
IACR Cryptol. ePrint Arch.
Yen-Ting Kuo, Atsushi Takayasu
2023 B conf
Concrete Quantum Cryptanalysis of Binary Elliptic Curves via Addition Chain.
CT-RSA
Ren Taguchi, Atsushi Takayasu
2023 J jnl
Concrete Quantum Cryptanalysis of Binary Elliptic Curves via Addition Chain.
IACR Cryptol. ePrint Arch.
Ren Taguchi, Atsushi Takayasu
2023 J jnl
L1-norm ball for CSIDH: Optimal strategy for choosing the secret key space.
Discret. Appl. Math.
Kohei Nakagawa, Hiroshi Onuki, Atsushi Takayasu, Tsuyoshi Takagi
2023 Misc conf
Memory-Efficient Quantum Information Set Decoding Algorithm.
ACISP
Naoto Kimura, Atsushi Takayasu, Tsuyoshi Takagi
2022 C conf
A Generic Construction of CCA-Secure Attribute-Based Encryption with Equality Test.
ProvSec
Kyoichi Asano, Keita Emura, Atsushi Takayasu, Yohei Watanabe
2022 J jnl
Erratum: A Compact Digital Signature Scheme Based on the Module-LWR Problem [IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences Vol. E104.A (2021), No. 9 pp.1219-1234].
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Hiroki Okada, Atsushi Takayasu, Kazuhide Fukushima, Shinsaku Kiyomoto, Tsuyoshi Takagi
2022 B conf
Keyed-Fully Homomorphic Encryption Without Indistinguishability Obfuscation.
ACNS
Shingo Sato, Keita Emura, Atsushi Takayasu
2022 J jnl
Keyed-Fully Homomorphic Encryption without Indistinguishability Obfuscation.
IACR Cryptol. ePrint Arch.
Shingo Sato, Keita Emura, Atsushi Takayasu
2022 C conf
More Efficient Adaptively Secure Lattice-Based IBE with Equality Test in the Standard Model.
ISC
Kyoichi Asano, Keita Emura, Atsushi Takayasu
2022 J jnl
More Efficient Adaptively Secure Lattice-based IBE with Equality Test in the Standard Model.
IACR Cryptol. ePrint Arch.
Kyoichi Asano, Keita Emura, Atsushi Takayasu
2021 J jnl
A Compact Digital Signature Scheme Based on the Module-LWR Problem.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Hiroki Okada, Atsushi Takayasu, Kazuhide Fukushima, Shinsaku Kiyomoto, Tsuyoshi Takagi
2021 J jnl
A Compact Digital Signature Scheme Based on the Module-LWR problem.
IACR Cryptol. ePrint Arch.
Hiroki Okada, Atsushi Takayasu, Kazuhide Fukushima, Shinsaku Kiyomoto, Tsuyoshi Takagi
2021 J jnl
A Generic Construction of CCA-secure Attribute-based Encryption with Equality Test.
IACR Cryptol. ePrint Arch.
Kyoichi Asano, Keita Emura, Atsushi Takayasu, Yohei Watanabe
2021 J jnl
Adaptively Secure Lattice-based Revocable IBE in the QROM: Compact Parameters, Tight Security, and Anonymity.
IACR Cryptol. ePrint Arch.
Atsushi Takayasu
2021 J jnl
Adaptively secure lattice-based revocable IBE in the QROM: compact parameters, tight security, and anonymity.
Des. Codes Cryptogr.
Atsushi Takayasu
2021 J jnl
Adaptively secure revocable hierarchical IBE from k-linear assumption.
Des. Codes Cryptogr.
Keita Emura, Atsushi Takayasu, Yohei Watanabe
2021 J jnl
Efficient identity-based encryption with Hierarchical key-insulation from HIBE.
Des. Codes Cryptogr.
Keita Emura, Atsushi Takayasu, Yohei Watanabe
2021 J jnl
Generic Constructions of Revocable Hierarchical Identity-based Encryption.
IACR Cryptol. ePrint Arch.
Keita Emura, Atsushi Takayasu, Yohei Watanabe
2021 J jnl
More Efficient Adaptively Secure Revocable Hierarchical Identity-based Encryption with Compact Ciphertexts: Achieving Shorter Keys and Tighter Reductions.
IACR Cryptol. ePrint Arch.
Atsushi Takayasu
2021 J jnl
Revocable identity-based encryption with bounded decryption key exposure resistance: Lattice-based construction and more.
Theor. Comput. Sci.
Atsushi Takayasu, Yohei Watanabe
2021 J jnl
Tag-based ABE in prime-order groups via pair encoding.
Des. Codes Cryptogr.
Atsushi Takayasu
2020 C conf
A Compact Digital Signature Scheme Based on the Module-LWR Problem.
ICICS
Hiroki Okada, Atsushi Takayasu, Kazuhide Fukushima, Shinsaku Kiyomoto, Tsuyoshi Takagi
2020 J jnl
Adaptively Secure Revocable Hierarchical IBE from k-linear Assumption.
IACR Cryptol. ePrint Arch.
Keita Emura, Atsushi Takayasu, Yohei Watanabe
2020 J jnl
Efficient Identity-Based Encryption with Hierarchical Key-Insulation from HIBE.
IACR Cryptol. ePrint Arch.
Keita Emura, Atsushi Takayasu, Yohei Watanabe
2020 J jnl
Extended partial key exposure attacks on RSA: Improvement up to full size decryption exponents.
Theor. Comput. Sci.
Kaichi Suzuki, Atsushi Takayasu, Noboru Kunihiro
2020 J jnl
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IACR Cryptol. ePrint Arch.
Kohei Nakagawa, Hiroshi Onuki, Atsushi Takayasu, Tsuyoshi Takagi
2020 J jnl
Lattice-based revocable (hierarchical) IBE with decryption key exposure resistance.
Theor. Comput. Sci.
Shuichi Katsumata, Takahiro Matsuda, Atsushi Takayasu
2020 J jnl
On the Complexity of the LWR-Solving BKW Algorithm.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Hiroki Okada, Atsushi Takayasu, Kazuhide Fukushima, Shinsaku Kiyomoto, Tsuyoshi Takagi
2020 J jnl
Worst case short lattice vector enumeration on block reduced bases of arbitrary blocksizes.
Discret. Appl. Math.
Noboru Kunihiro, Atsushi Takayasu
2019 J jnl
Explicit Relation between Low-Dimensional LLL-Reduced Bases and Shortest Vectors.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Kotaro Matsuda, Atsushi Takayasu, Tsuyoshi Takagi
2019 J jnl
Generalized cryptanalysis of small CRT-exponent RSA.
Theor. Comput. Sci.
Liqiang Peng, Atsushi Takayasu
2019 — conf
Lattice-Based Revocable (Hierarchical) IBE with Decryption Key Exposure Resistance.
Public Key Cryptography (2)
Shuichi Katsumata, Takahiro Matsuda, Atsushi Takayasu
2019 J jnl
Partial key exposure attacks on RSA: Achieving the Boneh-Durfee bound.
Theor. Comput. Sci.
Atsushi Takayasu, Noboru Kunihiro
2019 J jnl
Small CRT-Exponent RSA Revisited.
J. Cryptol.
Atsushi Takayasu, Yao Lu, Liqiang Peng
2019 B conf
Tight Reductions for Diffie-Hellman Variants in the Algebraic Group Model.
CT-RSA
Taiga Mizuide, Atsushi Takayasu, Tsuyoshi Takagi
2018 Misc conf
Estimated Cost for Solving Generalized Learning with Errors Problem via Embedding Techniques.
IWSEC
Weiyao Wang, Yuntao Wang, Atsushi Takayasu, Tsuyoshi Takagi
2018 J jnl
Lattice-based Revocable (Hierarchical) IBE with Decryption Key Exposure Resistance.
IACR Cryptol. ePrint Arch.
Shuichi Katsumata, Takahiro Matsuda, Atsushi Takayasu
2018 Misc conf
On the Complexity of the LWR-Solving BKW Algorithm.
ICISC
Hiroki Okada, Atsushi Takayasu, Kazuhide Fukushima, Shinsaku Kiyomoto, Tsuyoshi Takagi
2018 J jnl
Partial Key Exposure Attacks on RSA: Achieving the Boneh-Durfee Bound.
IACR Cryptol. ePrint Arch.
Atsushi Takayasu, Noboru Kunihiro
2018 J jnl
Tight Reductions for Diffie-Hellman Variants in the Algebraic Group Model.
IACR Cryptol. ePrint Arch.
Taiga Mizuide, Atsushi Takayasu, Tsuyoshi Takagi
2017 B conf
A Tool Kit for Partial Key Exposure Attacks on RSA.
CT-RSA
Atsushi Takayasu, Noboru Kunihiro
2017 J jnl
General Bounds for Small Inverse Problems and Its Applications to Multi-Prime RSA.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Atsushi Takayasu, Noboru Kunihiro
2017 — conf
Lattice-Based Revocable Identity-Based Encryption with Bounded Decryption Key Exposure Resistance.
ACISP (1)
Atsushi Takayasu, Yohei Watanabe
2017 J jnl
Lattice-based Revocable Identity-based Encryption with Bounded Decryption Key Exposure Resistance.
IACR Cryptol. ePrint Arch.
Atsushi Takayasu, Yohei Watanabe
2017 — conf
Small CRT-Exponent RSA Revisited.
EUROCRYPT (2)
Atsushi Takayasu, Yao Lu, Liqiang Peng
2017 J jnl
Small CRT-Exponent RSA Revisited.
IACR Cryptol. ePrint Arch.
Atsushi Takayasu, Yao Lu, Liqiang Peng
2016 J jnl
A Tool Kit for Partial Key Exposure Attacks on RSA.
IACR Cryptol. ePrint Arch.
Atsushi Takayasu, Noboru Kunihiro
2016 J jnl
General Bounds for Small Inverse Problems and Its Applications to Multi-Prime RSA.
IACR Cryptol. ePrint Arch.
Atsushi Takayasu, Noboru Kunihiro
2016 — conf
How to Generalize RSA Cryptanalyses.
Public Key Cryptography (2)
Atsushi Takayasu, Noboru Kunihiro
2016 J jnl
How to Generalize RSA Cryptanalyses.
IACR Cryptol. ePrint Arch.
Atsushi Takayasu, Noboru Kunihiro
2016 C conf
Partial Key Exposure Attacks on CRT-RSA: General Improvement for the Exposed Least Significant Bits.
ISC
Atsushi Takayasu, Noboru Kunihiro
2016 — conf
Partial Key Exposure Attacks on RSA with Multiple Exponent Pairs.
ACISP (2)
Atsushi Takayasu, Noboru Kunihiro
2016 C conf
Small secret exponent attacks on RSA with unbalanced prime factors.
ISITA
Atsushi Takayasu, Noboru Kunihiro
2015 B conf
Partial Key Exposure Attacks on CRT-RSA: Better Cryptanalysis to Full Size Encryption Exponents.
ACNS
Atsushi Takayasu, Noboru Kunihiro
2015 C conf
Tighter Security for Efficient Lattice Cryptography via the Rényi Divergence of Optimized Orders.
ProvSec
Katsuyuki Takashima, Atsushi Takayasu
2015 J jnl
Tighter Security for Efficient Lattice Cryptography via the Rényi Divergence of Optimized Orders.
IACR Cryptol. ePrint Arch.
Katsuyuki Takashima, Atsushi Takayasu
2014 J jnl
Better Lattice Constructions for Solving Multivariate Linear Equations Modulo Unknown Divisors.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Atsushi Takayasu, Noboru Kunihiro
2014 Misc conf
Cryptanalysis of RSA with Multiple Small Secret Exponents.
ACISP
Atsushi Takayasu, Noboru Kunihiro
2014 Misc conf
General Bounds for Small Inverse Problems and Its Applications to Multi-Prime RSA.
ICISC
Atsushi Takayasu, Noboru Kunihiro
2014 B conf
Partial Key Exposure Attacks on RSA: Achieving the Boneh-Durfee Bound.
Selected Areas in Cryptography
Atsushi Takayasu, Noboru Kunihiro
2013 Misc conf
Better Lattice Constructions for Solving Multivariate Linear Equations Modulo Unknown Divisors.
ACISP
Atsushi Takayasu, Noboru Kunihiro