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IEICE Trans

Wataru NAKAMURA


Efficient Accuracy Evaluation Methods for Lattice-Based Fuzzy Extractors and Fuzzy Signatures
Wataru NAKAMURA Kenta TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2026/03/01
Vol. E109-A  No. 3  pp. 206-215
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: 
Keyword: 
fuzzy extractorsfuzzy signatureslatticesaccuracy evaluation
 Summary | Full Text:PDF

Sample Recoverable Fuzzy Extractors
Wataru NAKAMURA Kenta TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2025/03/01
Vol. E108-A  No. 3  pp. 280-292
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: 
Keyword: 
biometric template protectionfuzzy extractorsutilization of past biometric samplesauthenticated sample recoverability
 Summary | Full Text:PDF

A Cheating-Detectable (k, L, n) Ramp Secret Sharing Scheme
Wataru NAKAMURA Hirosuke YAMAMOTO Terence CHAN 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2017/12/01
Vol. E100-A  No. 12  pp. 2709-2719
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Cryptography and Information Security
Keyword: 
ramp secret sharing schemescheating detectionimpersonation attackssubstitution attacksmutual information of shares
 Summary | Full Text:PDF