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IEICE Trans

Masayuki TEZUKA


Quantum Search-to-Decision Reduction for the LWE Problem
Kyohei SUDO Keisuke HARA Masayuki TEZUKA Yusuke YOSHIDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2025/02/01
Vol. E108-A  No. 2  pp. 104-116
Type of Manuscript:  PAPER
Category: Cryptography and Information Security
Keyword: 
learning with errorslearning parity with noisesearch-to-decision reductionGoldreich-Levin theoremquantum reductionquery complexitysample complexity
 Summary | Full Text:PDF

Forward Secure Message Franking with Updatable Reporting Tags
Hiroki YAMAMURO Keisuke HARA Masayuki TEZUKA Yusuke YOSHIDA Keisuke TANAKA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2023/09/01
Vol. E106-A  No. 9  pp. 1164-1176
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: Cryptography and Information Security
Keyword: 
message frankingforward securityabusive verifiable reportsreporting tag update
 Summary | Full Text:PDF

Watermarkable Signature with Computational Function Preserving
Kyohei SUDO Keisuke HARA Masayuki TEZUKA Yusuke YOSHIDA Keisuke TANAKA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2021/09/01
Vol. E104-A  No. 9  pp. 1255-1270
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: Cryptography and Information Security
Keyword: 
digital watermarkingwatermarkable signaturefunction preserving
 Summary | Full Text:PDF

Redactable Signature with Compactness from Set-Commitment
Masayuki TEZUKA Keisuke TANAKA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2021/09/01
Vol. E104-A  No. 9  pp. 1175-1187
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: Cryptography and Information Security
Keyword: 
redactable signature schemecompactnessstoring redactable signature problemset-commitment scheme
 Summary | Full Text:PDF