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IEICE Trans

Akira OTSUKA

Permissionless Blockchain-Based Sybil-Resistant Self-Sovereign Identity Utilizing Attested Execution Secure Processors
Koichi MORIYAMA Akira OTSUKA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2024/09/01
Vol. E107-D  No. 9  pp. 1112-1122
Type of Manuscript:  INVITED PAPER (Special Section on Security and Privacy in Blockchain)
Category: 
Keyword: 
permissionless blockchain, decentralized digital identity, sybil-resistance, self-sovereign identity, attested execution secure processors, 
 Summary | Full Text:PDF
SIBYL: A Method for Detecting Similar Binary Functions Using Machine Learning
Yuma MASUBUCHI Masaki HASHIMOTO Akira OTSUKA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2022/04/01
Vol. E105-D  No. 4  pp. 755-765
Type of Manuscript:  PAPER
Category: Dependable Computing
Keyword: 
similarity, binary code, function, NLP, machine learning, 
 Summary | Full Text:PDF
A Theoretical Framework for Constructing Matching Algorithms Secure against Wolf Attack
Manabu INUMA Akira OTSUKA Hideki IMAI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2013/02/01
Vol. E96-D  No. 2  pp. 357-364
Type of Manuscript:  PAPER
Category: Image Recognition, Computer Vision
Keyword: 
biometrics, wolf attack, wolf attack probability, matching algorithm, security, 
 Summary | Full Text:PDF
Universally Composable and Statistically Secure Verifiable Secret Sharing Scheme Based on Pre-Distributed Data
Rafael DOWSLEY Jorn MULLER-QUADE Akira OTSUKA Goichiro HANAOKA Hideki IMAI Anderson C.A. NASCIMENTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/02/01
Vol. E94-A  No. 2  pp. 725-734
Type of Manuscript:  PAPER
Category: Cryptography and Information Security
Keyword: 
verifiable secret sharing, dishonest majority, pre-distributed data, unconditional security, universal composable, 
 Summary | Full Text:PDF
Enhanced Cancelable Biometrics for Online Signature Verification
Daigo MURAMATSU Manabu INUMA Junji SHIKATA Akira OTSUKA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/06/01
Vol. E93-A  No. 6  pp. 1254-1259
Type of Manuscript:  LETTER
Category: Analog Signal Processing
Keyword: 
template protection, cancelable biometrics, online signature verification, biometrics, 
 Summary | Full Text:PDF
Analysis of Mean Waiting Time for Delivery of a Message in Mobile Multi-Hop Networks
Keisuke NAKANO Kazuyuki MIYAKITA Akira OTSUKA Masakazu SENGOKU Shoji SHINODA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/09/01
Vol. E92-A  No. 9  pp. 2236-2247
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: Multi-hop Wireless Network
Keyword: 
mobile multi-hop network, connectivity, mobility, epidemic routing, 
 Summary | Full Text:PDF
Wolf Attack Probability: A Theoretical Security Measure in Biometric Authentication Systems
Masashi UNE Akira OTSUKA Hideki IMAI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2008/05/01
Vol. E91-D  No. 5  pp. 1380-1389
Type of Manuscript:  Special Section PAPER (Special Section on Information and Communication System Security)
Category: Biometrics
Keyword: 
biometric authentication system, brute-force attack, finger-vein-pattern based algorithm, minutiae-matching algorithm, wolf attack probability, 
 Summary | Full Text:PDF
A Provably Secure Refreshable Partially Anonymous Token and Its Applications
Rie SHIGETOMI Akira OTSUKA Jun FURUKAWA Keith MARTIN Hideki IMAI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/05/01
Vol. E89-A  No. 5  pp. 1396-1406
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
anonymous credential, refreshable tokens, anonymity, privacy protection, 
 Summary | Full Text:PDF
An Unconditionally Secure Electronic Cash Scheme with Computational Untraceability
Akira OTSUKA Goichiro HANAOKA Junji SHIKATA Hideki IMAI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/01/01
Vol. E85-A  No. 1  pp. 140-148
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: 
Keyword: 
electronic cash, information theoretic security, unconditionally secure signature, 
 Summary | Full Text:PDF