Shingo Hasegawa

According to our database, Shingo Hasegawa authored at least 43 papers between 2008 and 2024.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2024

On Multi-user Security of Lattice-based Signature under Adaptive Corruptions and Key Leakages.

Masayuki Fukumitsu, Shingo Hasegawa

IACR Cryptol. ePrint Arch., 2024

2023

On Multi-user Security of Schnorr Signature in Algebraic Group Model.

Masayuki Fukumitsu, Shingo Hasegawa

Int. J. Netw. Comput., 2023

Dynamic Group Signatures with Message Dependent Opening and Non-Interactive Signing.

Hiroaki Anada, Masayuki Fukumitsu, Shingo Hasegawa

Int. J. Netw. Comput., 2023

Accountable Ring Signatures from Symmetric-Key Primitives.

Hiroaki Anada, Masayuki Fukumitsu, Shingo Hasegawa

Proceedings of the Eleventh International Symposium on Computing and Networking, CANDAR 2023, Matsue, Japan, November 28, 2023

2022

Group Signatures with Designated Traceability over Openers' Attributes.

Hiroaki Anada, Masayuki Fukumitsu, Shingo Hasegawa

Int. J. Netw. Comput., 2022

On the Higher bit Version of Approximate Inhomogeneous Short Integer Solution Problem.

Anaëlle Le Dévéhat, Hiroki Shizuya, Shingo Hasegawa

IACR Cryptol. ePrint Arch., 2022

Group Signatures with Designated Traceability over Openers' Attributes in Bilinear Groups.

Hiroaki Anada, Masayuki Fukumitsu, Shingo Hasegawa

Proceedings of the Information Security Applications - 23rd International Conference, 2022

Preimage Sampling in the Higher-bit Approximate Setting with a Non-spherical Gaussian Sampler.

Anaëlle Le Dévéhat, Shingo Hasegawa, Hiroki Shizuya

Proceedings of the Information Security and Cryptology - ICISC 2022, 2022

Group Signatures with Equality Test on Signers.

Kyoya Anzai, Masayuki Fukumitsu, Hiroaki Anada, Shingo Hasegawa

Proceedings of the 2022 Tenth International Symposium on Computing and Networking, CANDAR 2022, 2022

2021

Public-Key Projective Arithmetic Functional Encryption.

Shingo Hasegawa, Masashi Hisai, Hiroki Shizuya

Int. J. Netw. Comput., 2021

A Tightly Secure DDH-based Multisignature with Public-Key Aggregation.

Masayuki Fukumitsu, Shingo Hasegawa

Int. J. Netw. Comput., 2021

Tighter Reduction for Lattice-Based Multisignature.

Masayuki Fukumitsu, Shingo Hasegawa

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2021

Impossibility on the Schnorr Signature from the One-More DL Assumption in the Non-Programmable Random Oracle Model.

Masayuki Fukumitsu, Shingo Hasegawa

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2021

A Lattice-based Provably Secure Multisignature Scheme in Quantum Random Oracle Model.

Masayuki Fukumitsu, Shingo Hasegawa

IACR Cryptol. ePrint Arch., 2021

An Aggregate Signature with Pre-communication in the Plain Public Key Model.

Masayuki Fukumitsu, Shingo Hasegawa

Proceedings of the Security and Trust Management - 17th International Workshop, 2021

Group Signatures with Designated Traceability.

Hiroaki Anada, Masayuki Fukumitsu, Shingo Hasegawa

Proceedings of the Ninth International Symposium on Computing and Networking, 2021

2020

One-More Assumptions Do Not Help Fiat-Shamir-type Signature Schemes in NPROM.

Masayuki Fukumitsu, Shingo Hasegawa

Proceedings of the Topics in Cryptology - CT-RSA 2020, 2020

Linear Lossy Identification Scheme derives Tightly-Secure Multisignature.

Masayuki Fukumitsu, Shingo Hasegawa

Proceedings of the 15th Asia Joint Conference on Information Security, 2020

2019

Motions of Propelling a Wheelchair Based on the Movement Function of People with Spinal Cord Injury.

Kunihiro Ogata, Shingo Hasegawa, Tsuyoshi Nakayama, Nobuto Matsuhira, Eiichi Ono

Proceedings of the IEEE/SICE International Symposium on System Integration, 2019

A Tightly-Secure Lattice-Based Multisignature.

Masayuki Fukumitsu, Shingo Hasegawa

Proceedings of the 6th on ASIA Public-Key Cryptography Workshop, 2019

2018

Black-Box Separations on Fiat-Shamir-Type Signatures in the Non-Programmable Random Oracle Model.

Masayuki Fukumitsu, Shingo Hasegawa

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2018

A Generic Construction of an Identity-based Signature from a Sigma Protocol.

Masayuki Fukumitsu, Shingo Hasegawa

Proceedings of the International Symposium on Information Theory and Its Applications, 2018

A Galindo-Garcia-Like Identity-Based Signature with Tight Security Reduction, Revisited.

Masayuki Fukumitsu, Shingo Hasegawa

Proceedings of the Sixth International Symposium on Computing and Networking, 2018

2017

Impossibility of the Provable Security of the Schnorr Signature from the One-More DL Assumption in the Non-programmable Random Oracle Model.

Masayuki Fukumitsu, Shingo Hasegawa

Proceedings of the Provable Security, 2017

A Method for Constructing an Autonomous Decentralized P2P Storage with High Confidentiality and Reliability.

Masayuki Fukumitsu, Shingo Hasegawa, Shuji Isobe, Jun-ya Iwazaki, Eisuke Koizumi, Masao Sakai

Proceedings of the Fifth International Symposium on Computing and Networking, 2017

A Galindo-Garcia-Like Identity-Based Signature with Tight Security Reduction.

Masayuki Fukumitsu, Shingo Hasegawa

Proceedings of the Fifth International Symposium on Computing and Networking, 2017

A Proposal of a Secure P2P-Type Storage Scheme by Using the Secret Sharing and the Blockchain.

Masayuki Fukumitsu, Shingo Hasegawa, Jun-ya Iwazaki, Masao Sakai, Daiki Takahashi

Proceedings of the 31st IEEE International Conference on Advanced Information Networking and Applications, 2017

2016

Motion analysis of wheelchair considering the pectoral girdle mechanism.

Shingo Hasegawa, Nobuto Matsuhira, Kunihiro Ogata, Eiichi Ono, Tsuyoshi Nakayama

Proceedings of the 2016 IEEE/SICE International Symposium on System Integration, 2016

Impossibility on the Provable Security of the Fiat-Shamir-Type Signatures in the Non-programmable Random Oracle Model.

Masayuki Fukumitsu, Shingo Hasegawa

Proceedings of the Information Security - 19th International Conference, 2016

A construction of attribute-based aggregate signatures.

Shingo Hasegawa, Shuji Isobe, Eisuke Koizumi, Hiroki Shizuya, Ryo Takahashi

Proceedings of the 2016 International Symposium on Information Theory and Its Applications, 2016

A generic construction of tight security signatures in the non-programmable random oracle model.

Masayuki Fukumitsu, Shingo Hasegawa

Proceedings of the 2016 International Symposium on Information Theory and Its Applications, 2016

A Proposal of a Password Manager Satisfying Security and Usability by Using the Secret Sharing and a Personal Server.

Masayuki Fukumitsu, Shingo Hasegawa, Jun-ya Iwazaki, Masao Sakai, Daiki Takahashi

Proceedings of the 30th IEEE International Conference on Advanced Information Networking and Applications, 2016

2015

A Strengthened Security Notion for Password-Protected Secret Sharing Schemes.

Shingo Hasegawa, Shuji Isobe, Jun-ya Iwazaki, Eisuke Koizumi, Hiroki Shizuya

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2015

2014

A Lossy Identification Scheme Using the Subgroup Decision Assumption.

Shingo Hasegawa, Shuji Isobe

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2014

The RSA Group Is Adaptive Pseudo-Free under the RSA Assumption.

Masayuki Fukumitsu, Shingo Hasegawa, Shuji Isobe, Hiroki Shizuya

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2014

Password-protected secret-sharing schemes without random oracles.

Shingo Hasegawa, Shuji Isobe, Jun-ya Iwazaki, Eisuke Koizumi, Hiroki Shizuya

Proceedings of the International Symposium on Information Theory and its Applications, 2014

On the security notions of signcryption.

Shingo Hasegawa, Shuji Isobe

Proceedings of the International Symposium on Information Theory and its Applications, 2014

Lossy identification schemes from decisional RSA.

Shingo Hasegawa, Shuji Isobe

Proceedings of the International Symposium on Information Theory and its Applications, 2014

On the Impossibility of Proving Security of Strong-RSA Signatures via the RSA Assumption.

Masayuki Fukumitsu, Shingo Hasegawa, Shuji Isobe, Hiroki Shizuya

Proceedings of the Information Security and Privacy - 19th Australasian Conference, 2014

2013

Toward Separating the Strong Adaptive Pseudo-freeness from the Strong RSA Assumption.

Masayuki Fukumitsu, Shingo Hasegawa, Shuji Isobe, Eisuke Koizumi, Hiroki Shizuya

Proceedings of the Information Security and Privacy - 18th Australasian Conference, 2013

2009

On the pseudo-freeness and the CDH assumption.

Shingo Hasegawa, Shuji Isobe, Hiroki Shizuya, Katsuhiro Tashiro

Int. J. Inf. Sec., 2009

2008

NPMV-Complete Functions That Compute Discrete Logarithms and Integer Factorization.

Shingo Hasegawa, Shuji Isobe, Hiroki Shizuya

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2008

Making Cryptographic Primitives Harder.

Shingo Hasegawa, Hiroyuki Hatanaka, Shuji Isobe, Eisuke Koizumi, Hiroki Shizuya

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2008