Atsushi Takayasu

发表

Estimated Cost for Solving Generalized Learning with Errors Problem via Embedding Techniques

Tsuyoshi Takagi, Yuntao Wang, Weiyao Wang, 2018, IWSEC.

801 Development of dialog support system and diagnostic model for FEA

Shigeru Nagasawa, Atsushi Takayasu, Yasunori Miyata, 2005 .

Tight Reductions for Diffie-Hellman Variants in the Algebraic Group Model

Tsuyoshi Takagi, Atsushi Takayasu, Taiga Mizuide, 2019, IACR Cryptol. ePrint Arch..

On the Complexity of the LWR-Solving BKW Algorithm

Tsuyoshi Takagi, Shinsaku Kiyomoto, Kazuhide Fukushima, 2018, ICISC.

Partial Key Exposure Attacks on RSA with Multiple Exponent Pairs

Noboru Kunihiro, Atsushi Takayasu, N. Kunihiro, 2016, ACISP.

On the Complexity of the LWR-Solving BKW Algorithm

Tsuyoshi Takagi, Shinsaku Kiyomoto, Kazuhide Fukushima, 2020, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

A Tool Kit for Partial Key Exposure Attacks on RSA

Noboru Kunihiro, Atsushi Takayasu, N. Kunihiro, 2017, CT-RSA.

Partial Key Exposure Attacks on CRT-RSA: Better Cryptanalysis to Full Size Encryption Exponents

Noboru Kunihiro, Atsushi Takayasu, N. Kunihiro, 2015, ACNS.

Extended partial key exposure attacks on RSA: Improvement up to full size decryption exponents

Noboru Kunihiro, Atsushi Takayasu, Kaichi Suzuki, 2020, Theor. Comput. Sci..

How to Generalize RSA Cryptanalyses

Noboru Kunihiro, Atsushi Takayasu, N. Kunihiro, 2016, Public Key Cryptography.

Explicit Relation between Low-Dimensional LLL-Reduced Bases and Shortest Vectors

Kotaro Matsuda, Tsuyoshi Takagi, Atsushi Takayasu, 2019, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Cryptanalysis of RSA with Multiple Small Secret Exponents

Noboru Kunihiro, Atsushi Takayasu, N. Kunihiro, 2014, ACISP.

Lattice-Based Revocable (Hierarchical) IBE with Decryption Key Exposure Resistance.

Shuichi Katsumata, Atsushi Takayasu, Takahiro Matsuda, 2019 .

Small secret exponent attacks on RSA with unbalanced prime factors

Noboru Kunihiro, Atsushi Takayasu, N. Kunihiro, 2016, 2016 International Symposium on Information Theory and Its Applications (ISITA).

L1-Norm Ball for CSIDH: Optimal Strategy for Choosing the Secret Key Space

Tsuyoshi Takagi, Atsushi Takayasu, Hiroshi Onuki, 2020, IACR Cryptol. ePrint Arch..

A Compact Digital Signature Scheme Based on the Module-LWR Problem

Tsuyoshi Takagi, Shinsaku Kiyomoto, Kazuhide Fukushima, 2020, ICICS.

Partial key exposure attacks on RSA: Achieving the Boneh-Durfee bound

Noboru Kunihiro, Atsushi Takayasu, 2019, Theor. Comput. Sci..

Worst case short lattice vector enumeration on block reduced bases of arbitrary blocksizes

Noboru Kunihiro, Atsushi Takayasu, N. Kunihiro, 2020, Discret. Appl. Math..

Small CRT-Exponent RSA Revisited

Yao Lu, Atsushi Takayasu, Liqiang Peng, 2018, Journal of Cryptology.

Tighter Security for Efficient Lattice Cryptography via the Rényi Divergence of Optimized Orders

Atsushi Takayasu, Katsuyuki Takashima, 2015, ProvSec.

Small CRT-Exponent RSA Revisited

Yao Lu, Atsushi Takayasu, Liqiang Peng, 2017, EUROCRYPT.

Partial Key Exposure Attacks on CRT-RSA: General Improvement for the Exposed Least Significant Bits

Noboru Kunihiro, Atsushi Takayasu, N. Kunihiro, 2016, ISC.

Security of RSA with Many Decryption Exponents

Noboru Kunihiro, Atsushi Takayasu, 2014 .

Partial Key Exposure Attacks on RSA: Achieving the Boneh-Durfee Bound

Noboru Kunihiro, Atsushi Takayasu, N. Kunihiro, 2014, Selected Areas in Cryptography.

Revocable identity-based encryption with bounded decryption key exposure resistance: Lattice-based construction and more

Yohei Watanabe, Atsushi Takayasu, Atsushi Takayasu, 2021, Theor. Comput. Sci..

Lattice-based revocable (hierarchical) IBE with decryption key exposure resistance

Shuichi Katsumata, Atsushi Takayasu, Takahiro Matsuda, 2020, Theor. Comput. Sci..

Adaptively Secure Revocable Hierarchical IBE from k-linear Assumption

Yohei Watanabe, Keita Emura, Atsushi Takayasu, 2020, IACR Cryptol. ePrint Arch..

Lattice-based Revocable (Hierarchical) IBE with Decryption Key Exposure Resistance

Takahiro Matsuda, Shuichi Katsumata, Atsushi Takayasu, 2018, IACR Cryptol. ePrint Arch..

Lattice-Based Revocable Identity-Based Encryption with Bounded Decryption Key Exposure Resistance

Yohei Watanabe, Atsushi Takayasu, Atsushi Takayasu, 2017, ACISP.

Better Lattice Constructions for Solving Multivariate Linear Equations Modulo Unknown Divisors

Noboru Kunihiro, Atsushi Takayasu, 2013, ACISP.

Generalized cryptanalysis of small CRT-exponent RSA

Atsushi Takayasu, Liqiang Peng, Atsushi Takayasu, 2019, Theor. Comput. Sci..

General Bounds for Small Inverse Problems and Its Applications to Multi-Prime RSA

Noboru Kunihiro, Atsushi Takayasu, N. Kunihiro, 2014, ICISC.

Efficient identity-based encryption with Hierarchical key-insulation from HIBE

Yohei Watanabe, Keita Emura, Atsushi Takayasu, 2021, Designs, Codes and Cryptography.

A Generic Construction of CCA-secure Attribute-based Encryption with Equality Test

Keita Emura, Atsushi Takayasu, Yohei Watanabe, 2021, IACR Cryptol. ePrint Arch..

More Efficient Adaptively Secure Revocable Hierarchical Identity-based Encryption with Compact Ciphertexts: Achieving Shorter Keys and Tighter Reductions

Atsushi Takayasu, 2021, IACR Cryptol. ePrint Arch..

Generic Constructions of Revocable Hierarchical Identity-based Encryption

Keita Emura, Atsushi Takayasu, Yohei Watanabe, 2021, IACR Cryptol. ePrint Arch..

Tag-based ABE in prime-order groups via pair encoding

Atsushi Takayasu, Atsushi Takayasu, 2021, Designs, Codes and Cryptography.

A Compact Digital Signature Scheme Based on the Module-LWR problem

Tsuyoshi Takagi, Shinsaku Kiyomoto, Kazuhide Fukushima, 2021 .

Keyed-Fully Homomorphic Encryption without Indistinguishability Obfuscation

Keita Emura, Atsushi Takayasu, Shingo Sato, 2022, IACR Cryptol. ePrint Arch..

Adaptively Secure Lattice-based Revocable IBE in the QROM: Compact Parameters, Tight Security, and Anonymity

Atsushi Takayasu, 2021, IACR Cryptol. ePrint Arch..