Miyako Ohkubo

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34 publications in security and cryptology related venues
Year
Venue
Title
2025
conf/esorics
A Certified-Input Mixnet from Two-Party Mercurial Signatures on Randomizable Ciphertexts.
Masayuki Abe Masaya Nanri Miyako Ohkubo Octavio Perez-Kempner Daniel Slamanig Mehdi Tibouchi
2024
conf/crypto
CDS Composition of Multi-round Protocols.
Masayuki Abe Andrej Bogdanov Miyako Ohkubo Alon Rosen Zehua Shang Mehdi Tibouchi
2023
journals/joc
Compact Structure-Preserving Signatures with Almost Tight Security.
Masayuki Abe Dennis Hofheinz Ryo Nishimaki Miyako Ohkubo Jiaxin Pan
2021
conf/tcc
Acyclicity Programming for Sigma-Protocols.
Masayuki Abe Miguel Ambrona Andrej Bogdanov Miyako Ohkubo Alon Rosen
2020
conf/pkc
On Black-Box Extensions of Non-interactive Zero-Knowledge Arguments, and Signatures Directly from Simulation Soundness.
Masayuki Abe Miguel Ambrona Miyako Ohkubo
2020
conf/asiacrypt
Non-interactive Composition of Sigma-Protocols via Share-then-Hash.
Masayuki Abe Miguel Ambrona Andrej Bogdanov Miyako Ohkubo Alon Rosen
2019
journals/joc
Efficient Fully Structure-Preserving Signatures and Shrinking Commitments.
Masayuki Abe Jens Groth Markulf Kohlweiss Miyako Ohkubo Mehdi Tibouchi
2019
conf/asiacrypt
Shorter QA-NIZK and SPS with Tighter Security.
Masayuki Abe Charanjit S. Jutla Miyako Ohkubo Jiaxin Pan Arnab Roy Yuyu Wang
2018
conf/pkc
Improved (Almost) Tightly-Secure Structure-Preserving Signatures.
Charanjit S. Jutla Miyako Ohkubo Arnab Roy
2018
conf/asiacrypt
Improved (Almost) Tightly-Secure Simulation-Sound QA-NIZK with Applications.
Masayuki Abe Charanjit S. Jutla Miyako Ohkubo Arnab Roy
2017
conf/crypto
Compact Structure-Preserving Signatures with Almost Tight Security.
Masayuki Abe Dennis Hofheinz Ryo Nishimaki Miyako Ohkubo Jiaxin Pan
2016
journals/joc
Constant-Size Structure-Preserving Signatures: Generic Constructions and Simple Assumptions.
Masayuki Abe Melissa Chase Bernardo David Markulf Kohlweiss Ryo Nishimaki Miyako Ohkubo
2016
journals/joc
Structure-Preserving Signatures and Commitments to Group Elements.
Masayuki Abe Georg Fuchsbauer Jens Groth Kristiyan Haralambiev Miyako Ohkubo
2016
conf/crypto
Design in Type-I, Run in Type-III: Fast and Scalable Bilinear-Type Conversion Using Integer Programming.
Masayuki Abe Fumitaka Hoshino Miyako Ohkubo
2015
conf/ccs
The Limits of Composable Crypto with Transferable Setup Devices.
Ioana Boureanu Miyako Ohkubo Serge Vaudenay
2015
conf/eurocrypt
Fully Structure-Preserving Signatures and Shrinking Commitments.
Masayuki Abe Markulf Kohlweiss Miyako Ohkubo Mehdi Tibouchi
2014
conf/ccs
Introduction of structure-preserving signatures.
Miyako Ohkubo
2014
conf/crypto
Converting Cryptographic Schemes from Symmetric to Asymmetric Bilinear Groups.
Masayuki Abe Jens Groth Miyako Ohkubo Takeya Tango
2014
conf/crypto
Structure-Preserving Signatures from Type II Pairings.
Masayuki Abe Jens Groth Miyako Ohkubo Mehdi Tibouchi
2014
conf/tcc
Unified, Minimal and Selectively Randomizable Structure-Preserving Signatures.
Masayuki Abe Jens Groth Miyako Ohkubo Mehdi Tibouchi
2013
conf/pkc
Tagged One-Time Signatures: Tight Security and Optimal Tag Size.
Masayuki Abe Bernardo David Markulf Kohlweiss Ryo Nishimaki Miyako Ohkubo
2012
conf/esorics
Relations among Notions of Privacy for RFID Authentication Protocols.
Daisuke Moriyama Shin'ichiro Matsuo Miyako Ohkubo
2012
conf/eurocrypt
Group to Group Commitments Do Not Shrink.
Masayuki Abe Kristiyan Haralambiev Miyako Ohkubo
2012
conf/asiacrypt
Constant-Size Structure-Preserving Signatures: Generic Constructions and Simple Assumptions.
Masayuki Abe Melissa Chase Bernardo David Markulf Kohlweiss Ryo Nishimaki Miyako Ohkubo
2011
conf/crypto
Optimal Structure-Preserving Signatures in Asymmetric Bilinear Groups.
Masayuki Abe Jens Groth Kristiyan Haralambiev Miyako Ohkubo
2011
conf/fc
A Study on Computational Formal Verification for Practical Cryptographic Protocol: The Case of Synchronous RFID Authentication.
Yoshikazu Hanatani Miyako Ohkubo Shin'ichiro Matsuo Kazuo Sakiyama Kazuo Ohta
2011
conf/acns
Double-Trapdoor Anonymous Tags for Traceable Signatures.
Masayuki Abe Sherman S. M. Chow Kristiyan Haralambiev Miyako Ohkubo
2011
conf/asiacrypt
Separating Short Structure-Preserving Signatures from Non-interactive Assumptions.
Masayuki Abe Jens Groth Miyako Ohkubo
2010
conf/crypto
Structure-Preserving Signatures and Commitments to Group Elements.
Masayuki Abe Georg Fuchsbauer Jens Groth Kristiyan Haralambiev Miyako Ohkubo
2009
conf/pkc
Anonymous Hierarchical Identity-Based Encryption with Constant Size Ciphertexts.
Jae Hong Seo Tetsutaro Kobayashi Miyako Ohkubo Koutarou Suzuki
2009
conf/asiacrypt
A Framework for Universally Composable Non-committing Blind Signatures.
Masayuki Abe Miyako Ohkubo
2002
conf/asiacrypt
1-out-of-n Signatures from a Variety of Keys.
Masayuki Abe Miyako Ohkubo Koutarou Suzuki
2001
conf/asiacrypt
Provably Secure Fair Blind Signatures with Tight Revocation.
Masayuki Abe Miyako Ohkubo
2000
conf/asiacrypt
A Length-Invariant Hybrid Mix.
Miyako Ohkubo Masayuki Abe

Coauthors

Alon Rosen (3)
Andrej Bogdanov (3)
Arnab Roy (3)
Bernardo David (3)
Charanjit S. Jutla (3)
Daisuke Moriyama (1)
Daniel Slamanig (1)
Dennis Hofheinz (2)
Fumitaka Hoshino (1)
Georg Fuchsbauer (2)
Ioana Boureanu (1)
Jae Hong Seo (1)
Jens Groth (8)
Jiaxin Pan (3)
Kazuo Ohta (1)
Kazuo Sakiyama (1)
Koutarou Suzuki (2)
Kristiyan Haralambiev (5)
Markulf Kohlweiss (5)
Masaya Nanri (1)
Masayuki Abe (28)
Mehdi Tibouchi (6)
Melissa Chase (2)
Miguel Ambrona (3)
Miyako Ohkubo (34)
Octavio Perez-Kempner (1)
Ryo Nishimaki (5)
Serge Vaudenay (1)
Sherman S. M. Chow (1)
Shin'ichiro Matsuo (2)
Takeya Tango (1)
Tetsutaro Kobayashi (1)
Yoshikazu Hanatani (1)
Yuyu Wang (1)
Zehua Shang (1)
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