Shingo Hasegawa

Publication Activity (10 Years)

Years Active: 2008-2023
Publications (10 Years): 41

Top Topics

Signature Scheme

Integer Solution

Top Venues

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

Int. J. Netw. Comput.

Publications

Masayuki Fukumitsu, Shingo Hasegawa
On Multi-user Security of Schnorr Signature in Algebraic Group Model. Int. J. Netw. Comput. 13 (2) (2023)
Hiroaki Anada, Masayuki Fukumitsu, Shingo Hasegawa
Accountable Ring Signatures from Symmetric-Key Primitives. candar (2023)
Hiroaki Anada, Masayuki Fukumitsu, Shingo Hasegawa
Dynamic Group Signatures with Message Dependent Opening and Non-Interactive Signing. Int. J. Netw. Comput. 13 (2) (2023)
Masayuki Fukumitsu, Shingo Hasegawa
On Multi-user Security of Schnorr Signature in Algebraic Group Model. CANDARW (2022)
Kyoya Anzai, Masayuki Fukumitsu, Hiroaki Anada, Shingo Hasegawa
Group Signatures with Equality Test on Signers. CANDARW (2022)
Hiroaki Anada, Masayuki Fukumitsu, Shingo Hasegawa
Group Signatures with Designated Traceability over Openers' Attributes. IACR Cryptol. ePrint Arch. 2022 (2022)
Anaëlle Le Dévéhat, Hiroki Shizuya, Shingo Hasegawa
On the Higher bit Version of Approximate Inhomogeneous Short Integer Solution Problem. IACR Cryptol. ePrint Arch. 2022 (2022)
Anaëlle Le Dévéhat, Shingo Hasegawa, Hiroki Shizuya
Preimage Sampling in the Higher-bit Approximate Setting with a Non-spherical Gaussian Sampler. ICISC (2022)
Hiroaki Anada, Masayuki Fukumitsu, Shingo Hasegawa
Group Signatures with Designated Traceability over Openers' Attributes in Bilinear Groups. WISA (2022)
Hiroaki Anada, Masayuki Fukumitsu, Shingo Hasegawa
Dynamic Group Signatures with Message Dependent Opening and Non-Interactive Signing. CANDAR (2022)
Hiroaki Anada, Masayuki Fukumitsu, Shingo Hasegawa
Group Signatures with Designated Traceability over Openers' Attributes. Int. J. Netw. Comput. 12 (2) (2022)
Anaëlle Le Dévéhat, Hiroki Shizuya, Shingo Hasegawa
On the Higher-Bit Version of Approximate Inhomogeneous Short Integer Solution Problem. CANS (2021)
Hiroaki Anada, Masayuki Fukumitsu, Shingo Hasegawa
Group Signatures with Designated Traceability. CANDAR (2021)
Shingo Hasegawa, Masashi Hisai, Hiroki Shizuya
Public-Key Projective Arithmetic Functional Encryption. Int. J. Netw. Comput. 11 (2) (2021)
Masayuki Fukumitsu, Shingo Hasegawa
Impossibility on the Schnorr Signature from the One-More DL Assumption in the Non-Programmable Random Oracle Model. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (9) (2021)
Masayuki Fukumitsu, Shingo Hasegawa
Tighter Reduction for Lattice-Based Multisignature. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (12) (2021)
Masayuki Fukumitsu, Shingo Hasegawa
A Tightly Secure DDH-based Multisignature with Public-Key Aggregation. Int. J. Netw. Comput. 11 (2) (2021)
Masayuki Fukumitsu, Shingo Hasegawa
A Lattice-based Provably Secure Multisignature Scheme in Quantum Random Oracle Model. IACR Cryptol. ePrint Arch. 2021 (2021)
Masayuki Fukumitsu, Shingo Hasegawa
An Aggregate Signature with Pre-communication in the Plain Public Key Model. STM (2021)
Shingo Hasegawa, Masashi Hisai, Hiroki Shizuya
Public-key Projective Arithmetic Functional Encryption. CANDAR (2020)
Masayuki Fukumitsu, Shingo Hasegawa
Linear Lossy Identification Scheme derives Tightly-Secure Multisignature. AsiaJCIS (2020)
Masayuki Fukumitsu, Shingo Hasegawa
A Tightly Secure DDH-based Multisignature with Public-Key Aggregation. CANDAR (Workshops) (2020)
Masayuki Fukumitsu, Shingo Hasegawa
One-More Assumptions Do Not Help Fiat-Shamir-type Signature Schemes in NPROM. CT-RSA (2020)
Masayuki Fukumitsu, Shingo Hasegawa
A Lattice-Based Provably Secure Multisignature Scheme in Quantum Random Oracle Model. ProvSec (2020)
Masayuki Fukumitsu, Shingo Hasegawa
Impossibility on the Schnorr Signature from the One-more DL Assumption in the Non-programmable Random Oracle Model. IACR Cryptol. ePrint Arch. 2020 (2020)
Masayuki Fukumitsu, Shingo Hasegawa
A Tightly-Secure Lattice-Based Multisignature. APKC@AsiaCCS (2019)
Kunihiro Ogata, Shingo Hasegawa, Tsuyoshi Nakayama, Nobuto Matsuhira, Eiichi Ono
Motions of Propelling a Wheelchair Based on the Movement Function of People with Spinal Cord Injury. SII (2019)
Masayuki Fukumitsu, Shingo Hasegawa
Black-Box Separations on Fiat-Shamir-Type Signatures in the Non-Programmable Random Oracle Model. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (1) (2018)
Masayuki Fukumitsu, Shingo Hasegawa
A Generic Construction of an Identity-based Signature from a Sigma Protocol. ISITA (2018)
Masayuki Fukumitsu, Shingo Hasegawa
A Galindo-Garcia-Like Identity-Based Signature with Tight Security Reduction, Revisited. CANDAR (2018)
Masayuki Fukumitsu, Shingo Hasegawa, Shuji Isobe, Jun-ya Iwazaki, Eisuke Koizumi, Masao Sakai
A Method for Constructing an Autonomous Decentralized P2P Storage with High Confidentiality and Reliability. CANDAR (2017)
Masayuki Fukumitsu, Shingo Hasegawa
A Galindo-Garcia-Like Identity-Based Signature with Tight Security Reduction. CANDAR (2017)
Masayuki Fukumitsu, Shingo Hasegawa, Jun-ya Iwazaki, Masao Sakai, Daiki Takahashi
A Proposal of a Secure P2P-Type Storage Scheme by Using the Secret Sharing and the Blockchain. AINA (2017)
Masayuki Fukumitsu, Shingo Hasegawa
Impossibility of the Provable Security of the Schnorr Signature from the One-More DL Assumption in the Non-programmable Random Oracle Model. ProvSec (2017)
Shingo Hasegawa, Shuji Isobe, Eisuke Koizumi, Hiroki Shizuya, Ryo Takahashi
A construction of attribute-based aggregate signatures. ISITA (2016)
Shingo Hasegawa, Nobuto Matsuhira, Kunihiro Ogata, Eiichi Ono, Tsuyoshi Nakayama
Motion analysis of wheelchair considering the pectoral girdle mechanism. SII (2016)
Masayuki Fukumitsu, Shingo Hasegawa, Jun-ya Iwazaki, Masao Sakai, Daiki Takahashi
A Proposal of a Password Manager Satisfying Security and Usability by Using the Secret Sharing and a Personal Server. AINA (2016)
Masayuki Fukumitsu, Shingo Hasegawa
Impossibility on the Provable Security of the Fiat-Shamir-Type Signatures in the Non-programmable Random Oracle Model. ISC (2016)
Masayuki Fukumitsu, Shingo Hasegawa
A generic construction of tight security signatures in the non-programmable random oracle model. ISITA (2016)
Masayuki Fukumitsu, Shingo Hasegawa
Black-Box Separations on Fiat-Shamir-Type Signatures in the Non-Programmable Random Oracle Model. ISC (2015)
Shingo Hasegawa, Shuji Isobe, Jun-ya Iwazaki, Eisuke Koizumi, Hiroki Shizuya
A Strengthened Security Notion for Password-Protected Secret Sharing Schemes. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (1) (2015)
Masayuki Fukumitsu, Shingo Hasegawa, Shuji Isobe, Hiroki Shizuya
On the Impossibility of Proving Security of Strong-RSA Signatures via the RSA Assumption. ACISP (2014)
Shingo Hasegawa, Shuji Isobe
Lossy identification schemes from decisional RSA. ISITA (2014)
Shingo Hasegawa, Shuji Isobe
A Lossy Identification Scheme Using the Subgroup Decision Assumption. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (6) (2014)
Shingo Hasegawa, Shuji Isobe
On the security notions of signcryption. ISITA (2014)
Masayuki Fukumitsu, Shingo Hasegawa, Shuji Isobe, Hiroki Shizuya
The RSA Group Is Adaptive Pseudo-Free under the RSA Assumption. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (1) (2014)
Shingo Hasegawa, Shuji Isobe, Jun-ya Iwazaki, Eisuke Koizumi, Hiroki Shizuya
Password-protected secret-sharing schemes without random oracles. ISITA (2014)
Masayuki Fukumitsu, Shingo Hasegawa, Shuji Isobe, Eisuke Koizumi, Hiroki Shizuya
Toward Separating the Strong Adaptive Pseudo-freeness from the Strong RSA Assumption. ACISP (2013)
Shingo Hasegawa, Shuji Isobe, Hiroki Shizuya, Katsuhiro Tashiro
On the pseudo-freeness and the CDH assumption. Int. J. Inf. Sec. 8 (5) (2009)
Shingo Hasegawa, Shuji Isobe, Hiroki Shizuya
NPMV-Complete Functions That Compute Discrete Logarithms and Integer Factorization. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (1) (2008)
Shingo Hasegawa, Hiroyuki Hatanaka, Shuji Isobe, Eisuke Koizumi, Hiroki Shizuya
Making Cryptographic Primitives Harder. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (1) (2008)