What a lovely hat
Is it made out of
tin foil
?
DBLP data
CryptoDB
Cryptobib
Koki Hamada
Google Scholar
19
publications in security and cryptology related venues
Year
Venue
Title
2025
conf/esorics
Concretely Efficient Parallel-Accessible DORAM for 100K-Sized Array.
Koki Hamada
2023
journals/popets
Efficient decision tree training with new data structure for secure multi-party computation.
Koki Hamada
Dai Ikarashi
Ryo Kikuchi
Koji Chida
2023
journals/popets
Designing a Location Trace Anonymization Contest.
Takao Murakami
Hiromi Arai
Koki Hamada
Takuma Hatano
Makoto Iguchi
Hiroaki Kikuchi
Atsushi Kuromasa
Hiroshi Nakagawa
Yuichi Nakamura
Kenshiro Nishiyama
Ryo Nojima
Hidenobu Oguri
Chiemi Watanabe
Akira Yamada
Takayasu Yamaguchi
Yuji Yamaoka
2023
journals/joc
Fast Large-Scale Honest-Majority MPC for Malicious Adversaries.
Koji Chida
Koki Hamada
Dai Ikarashi
Ryo Kikuchi
Daniel Genkin
Yehuda Lindell
Ariel Nof
2023
conf/ccs
Secure Statistical Analysis on Multiple Datasets: Join and Group-By.
Gilad Asharov
Koki Hamada
Ryo Kikuchi
Ariel Nof
Benny Pinkas
Junichi Tomida
2023
conf/asiaccs
Communication-Efficient Inner Product Private Join and Compute with Cardinality.
Koji Chida
Koki Hamada
Atsunori Ichikawa
Masanobu Kii
Junichi Tomida
2023
conf/tcc
3-Party Secure Computation for RAMs: Optimal and Concretely Efficient.
Atsunori Ichikawa
Ilan Komargodski
Koki Hamada
Ryo Kikuchi
Dai Ikarashi
2022
journals/popets
Adam in Private: Secure and Fast Training of Deep Neural Networks with Adaptive Moment Estimation.
Nuttapong Attrapadung
Koki Hamada
Dai Ikarashi
Ryo Kikuchi
Takahiro Matsuda
Ibuki Mishina
Hiraku Morita
Jacob C. N. Schuldt
2022
conf/ccs
Efficient Secure Three-Party Sorting with Applications to Data Analysis and Heavy Hitters.
Gilad Asharov
Koki Hamada
Dai Ikarashi
Ryo Kikuchi
Ariel Nof
Benny Pinkas
Katsumi Takahashi
Junichi Tomida
2021
journals/popets
Privacy-Preserving Multiple Tensor Factorization for Synthesizing Large-Scale Location Traces with Cluster-Specific Features.
Takao Murakami
Koki Hamada
Yusuke Kawamoto
Takuma Hatano
2019
conf/acisp
Efficient Secure Multi-Party Protocols for Decision Tree Classification.
Atsunori Ichikawa
Wakaha Ogata
Koki Hamada
Ryo Kikuchi
2019
conf/acisp
Field Extension in Secret-Shared Form and Its Applications to Efficient Secure Computation.
Ryo Kikuchi
Nuttapong Attrapadung
Koki Hamada
Dai Ikarashi
Ai Ishida
Takahiro Matsuda
Yusuke Sakai
Jacob C. N. Schuldt
2018
conf/ccs
High-Throughput Secure AES Computation.
Koji Chida
Koki Hamada
Dai Ikarashi
Ryo Kikuchi
Benny Pinkas
2018
conf/acisp
Efficient Bit-Decomposition and Modulus-Conversion Protocols with an Honest Majority.
Ryo Kikuchi
Dai Ikarashi
Takahiro Matsuda
Koki Hamada
Koji Chida
2018
conf/crypto
Fast Large-Scale Honest-Majority MPC for Malicious Adversaries.
Koji Chida
Daniel Genkin
Koki Hamada
Dai Ikarashi
Ryo Kikuchi
Yehuda Lindell
Ariel Nof
2016
conf/esorics
A Study from the Data Anonymization Competition Pwscup 2015.
Hiroaki Kikuchi
Takayasu Yamaguchi
Koki Hamada
Yuji Yamaoka
Hidenobu Oguri
Jun Sakuma
2015
conf/cans
Practical Password-Based Authentication Protocol for Secret Sharing Based Multiparty Computation.
Ryo Kikuchi
Koji Chida
Dai Ikarashi
Koki Hamada
2013
conf/acisp
Secret Sharing Schemes with Conversion Protocol to Achieve Short Share-Size and Extendibility to Multiparty Computation.
Ryo Kikuchi
Koji Chida
Dai Ikarashi
Koki Hamada
Katsumi Takahashi
2012
conf/icisc
Practically Efficient Multi-party Sorting Protocols from Comparison Sort Algorithms.
Koki Hamada
Ryo Kikuchi
Dai Ikarashi
Koji Chida
Katsumi Takahashi
Coauthors
Ai Ishida
(1)
Akira Yamada
(1)
Ariel Nof
(4)
Atsunori Ichikawa
(3)
Atsushi Kuromasa
(1)
Benny Pinkas
(3)
Chiemi Watanabe
(1)
Dai Ikarashi
(12)
Daniel Genkin
(2)
Gilad Asharov
(2)
Hidenobu Oguri
(2)
Hiraku Morita
(1)
Hiroaki Kikuchi
(2)
Hiromi Arai
(1)
Hiroshi Nakagawa
(1)
Ibuki Mishina
(1)
Ilan Komargodski
(1)
Jacob C. N. Schuldt
(2)
Jun Sakuma
(1)
Junichi Tomida
(3)
Katsumi Takahashi
(3)
Kenshiro Nishiyama
(1)
Koji Chida
(9)
Koki Hamada
(19)
Makoto Iguchi
(1)
Masanobu Kii
(1)
Nuttapong Attrapadung
(2)
Ryo Kikuchi
(14)
Ryo Nojima
(1)
Takahiro Matsuda
(3)
Takao Murakami
(2)
Takayasu Yamaguchi
(2)
Takuma Hatano
(2)
Wakaha Ogata
(1)
Yehuda Lindell
(2)
Yuichi Nakamura
(1)
Yuji Yamaoka
(2)
Yusuke Kawamoto
(1)
Yusuke Sakai
(1)
Filters
Crypto
Eurocrypt
Asiacrypt
Public Key Cryptography
Theory of Cryptography
Journal of Cryptology
Transactions on Symmetric Cryptology
Transactions on Cryptographic Hardware and Embedded Computing
Communications in Cryptology
Fast Software Encryption
Cryptographic Hardware and Embedded Computing Conference
Usenix Security
IEEE Security and Privacy
ACM CCS
Network and Distributed System Security
Financial cryptography
Cryptographer's Track at RSA Conference (CT-RSA)
ESORICS
IEEE Transactions on Information Forensics and Security
Computers & Security
Journal of Information Security and Applications
IEEE Conference on Blockchains and Cryptocurrency (ICBC)
Asia CCS
European Security & privacy
Symposium on Useful Privacy and Security
Privacy Enhancing Technologies
Security and Privacy in Communication Networks
Cryptology and Network Security
Annual Computer Security Applications Conference
Dependable Systems and Networks
IEEE Computer Security Foundations Workshop
IEEE Conference and Communications and Network Security
International Conference on Applied Cryptography and Network Security
Selected Areas in Cryptology
International Conference on Information Security and Cryptology (ICISC)
International Conference on Information and Communication (ICICS)
IFIP International Information Security Conference (SEC)
Conference on Security and Privacy in Wireless and Mobile Networks (WISEC)
IEEE International Symposium on Hardware Oriented Security and Trust
New Security Paradigms Workshop
Information Hiding and Multimedia Security Workshop
Australasian Conference on Information Security and Privacy
AfricaCrypt
LatinCrypt
International Conference on Cyber Security and Resilience
Asia Joint Conference on information Security
International Conference on information Security Applications
ACM Asia Public-Key Cryptography Workshop
International Workshop on Lightweight Cryptography for Security and Privacy
Workshop on Fault Detection and Tolerance in Cryptography
International Conference on Blockchain Technology and Emerging Technologies
Provable Security
Cloud Computing Security Workshop (CCSW)
International Workshop on Security (IWSEC)
International Conference on Information System Security (ICISS)
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