Takeshi Koshiba

Google Scholar ORCID: 0000-0001-8994-729X
24 publications in security and cryptology related venues
Year
Venue
Title
2023
journals/istr
A tradeoff paradigm shift in cryptographically-secure pseudorandom number generation based on discrete logarithm.
Takeshi Koshiba Behrouz Zolfaghari Khodakhast Bibak
2020
journals/istr
Efficient protocols for private wildcards pattern matching.
Tushar Kanti Saha Deevashwer Rathee Takeshi Koshiba
2019
journals/istr
Efficient private database queries using ring-LWE somewhat homomorphic encryption.
Tushar Kanti Saha Mayank Rathee Takeshi Koshiba
2018
journals/istr
Outsourcing private equality tests to the cloud.
Tushar Kanti Saha Takeshi Koshiba
2018
conf/icisc
New Assumptions on Isogenous Pairing Groups with Applications to Attribute-Based Encryption.
Takeshi Koshiba Katsuyuki Takashima
2018
conf/icics
Achieving Full Security for Lattice-Based Group Signatures with Verifier-Local Revocation.
Maharage Nisansala Sevwandi Perera Takeshi Koshiba
2017
conf/africacrypt
Private Conjunctive Query over Encrypted Data.
Tushar Kanti Saha Takeshi Koshiba
2015
conf/ccs
Secure Data Devolution: Practical Re-encryption with Auxiliary Data in LWE-based Somewhat Homomorphic Encryption.
Masaya Yasuda Takeshi Koshiba Takeshi Shimoyama Jun Kogure Kazuhiro Yokoyama
2015
conf/acisp
Secure Statistical Analysis Using RLWE-Based Homomorphic Encryption.
Masaya Yasuda Takeshi Shimoyama Jun Kogure Kazuhiro Yokoyama Takeshi Koshiba
2014
conf/acisp
Privacy-Preserving Wildcards Pattern Matching Using Symmetric Somewhat Homomorphic Encryption.
Masaya Yasuda Takeshi Shimoyama Jun Kogure Kazuhiro Yokoyama Takeshi Koshiba
2013
conf/ccs
Secure pattern matching using somewhat homomorphic encryption.
Masaya Yasuda Takeshi Shimoyama Jun Kogure Kazuhiro Yokoyama Takeshi Koshiba
2013
conf/esorics
Practical Packing Method in Somewhat Homomorphic Encryption.
Masaya Yasuda Takeshi Shimoyama Jun Kogure Kazuhiro Yokoyama Takeshi Koshiba
2012
journals/joc
Computational Indistinguishability Between Quantum States and Its Cryptographic Application.
Akinori Kawachi Takeshi Koshiba Harumichi Nishimura Tomoyuki Yamakami
2010
conf/icisc
Public Discussion Must Be Back and Forth in Secure Message Transmission.
Takeshi Koshiba Shinya Sawada
2009
conf/acisp
Strengthening the Security of Distributed Oblivious Transfer.
Kai-Yuen Cheong Takeshi Koshiba Shohei Nishiyama
2009
conf/iwsec
Reducing Complexity Assumptions for Oblivious Transfer.
Kai-Yuen Cheong Takeshi Koshiba
2005
conf/eurocrypt
Computational Indistinguishability Between Quantum States and Its Cryptographic Application.
Akinori Kawachi Takeshi Koshiba Harumichi Nishimura Tomoyuki Yamakami
2004
conf/pkc
Short Exponent Diffie-Hellman Problems.
Takeshi Koshiba Kaoru Kurosawa
2003
conf/acisp
Theoretical Analysis of chi<sup>2</sup> Attack on RC6.
Masahiko Takenaka Takeshi Shimoyama Takeshi Koshiba
2002
conf/fse
Multiple Linear Cryptanalysis of a Reduced Round RC6.
Takeshi Shimoyama Masahiko Takenaka Takeshi Koshiba
2002
conf/pkc
On Sufficient Randomness for Secure Public-Key Cryptosystems.
Takeshi Koshiba
2001
conf/pkc
A New Aspect for Security Notions: Secure Randomness in Public-Key Encryption Schemes.
Takeshi Koshiba
1999
conf/icisc
A Technique for Boosting the Security of Cryptographic Systems with One-Way Hash Functions.
Takeshi Koshiba
1997
conf/icics
Computational learning theoretic cryptanalysis of language theoretic cryptosystems.
Takeshi Koshiba

Coauthors

Akinori Kawachi (2)
Behrouz Zolfaghari (1)
Deevashwer Rathee (1)
Harumichi Nishimura (2)
Jun Kogure (5)
Kai-Yuen Cheong (2)
Kaoru Kurosawa (1)
Katsuyuki Takashima (1)
Kazuhiro Yokoyama (5)
Khodakhast Bibak (1)
Maharage Nisansala Sevwandi Perera (1)
Masahiko Takenaka (2)
Masaya Yasuda (5)
Mayank Rathee (1)
Shinya Sawada (1)
Shohei Nishiyama (1)
Takeshi Koshiba (24)
Takeshi Shimoyama (7)
Tomoyuki Yamakami (2)
Tushar Kanti Saha (4)
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