Maki YOSHIDA


Efficient Usage of Cover Free Families in Broadcast Encryption
Maki YOSHIDA Toru FUJIWARA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2016/06/01
Vol. E99-A  No. 6  pp. 1216-1221
Type of Manuscript:  PAPER
Category: Cryptography and Information Security
Keyword: 
cover free familyefficiencybroadcast encryptionupper bound
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On the Impossibility of d-Multiplicative Non-perfect Secret Sharing
Maki YOSHIDA Toru FUJIWARA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2015/02/01
Vol. E98-A  No. 2  pp. 767-770
Type of Manuscript:  LETTER
Category: Cryptography and Information Security
Keyword: 
secret sharingmultiplicativenon-perfectimpossibility
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Individual Restoration of Tampered Pixels for Statistical Fragile Watermarking
Maki YOSHIDA Kazuya OHKITA Toru FUJIWARA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2015/01/01
Vol. E98-D  No. 1  pp. 58-64
Type of Manuscript:  Special Section PAPER (Special Section on Enriched Multimedia)
Category: 
Keyword: 
watermarkingfragiletamperingdetectionrestorationmaximum length sequence code
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Toward Digital Watermarking for Cryptographic Data
Maki YOSHIDA Toru FUJIWARA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/01/01
Vol. E94-A  No. 1  pp. 270-272
Type of Manuscript:  Special Section LETTER (Special Section on Cryptography and Information Security)
Category: 
Keyword: 
digital watermarkingcryptographic datadetectionvisibletrapdoor for removing
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The Vector Decomposition Problem
Maki YOSHIDA Shigeo MITSUNARI Toru FUJIWARA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/01/01
Vol. E93-A  No. 1  pp. 188-193
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: Mathematics
Keyword: 
computational problemvector decomposition problemcomputational Diffie-Hellman problemelliptic curvepairing
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Flexible Timed-Release Encryption
Maki YOSHIDA Toru FUJIWARA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/01/01
Vol. E92-A  No. 1  pp. 222-225
Type of Manuscript:  Special Section LETTER (Special Section on Cryptography and Information Security)
Category: 
Keyword: 
timed-release encryptiontime-server based approachglobal useflexibility
 Summary | Full Text:PDF(223.3KB)

A New Scheme to Realize the Optimum Watermark Detection for the Additive Embedding Scheme with the Spatial Domain
Takaaki FUJITA Maki YOSHIDA Toru FUJIWARA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/01/01
Vol. E90-A  No. 1  pp. 216-225
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: Application
Keyword: 
digital watermarkingadditive embedding schemeoptimum detectionNeyman-Pearson criterion
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A Private and Consistent Data Retrieval Scheme with Log-Squared Communication
Satoshi NAKAYAMA Maki YOSHIDA Shingo OKAMURA Toru FUJIWARA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/01/01
Vol. E90-A  No. 1  pp. 204-215
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: Application
Keyword: 
data retrievalprivacy of a usersecrecy of the databaseconsistency of answerscommunication complexity
 Summary | Full Text:PDF(412.2KB)

Unlinkable Delivery System for Interactive Dramas
Shingo OKAMURA Yoshiyuki KONISHI Maki YOSHIDA Toru FUJIWARA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/01/01
Vol. E88-A  No. 1  pp. 262-269
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: Application
Keyword: 
interactive dramadelivery controlprotection of privacypartially blind signature scheme
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Analysis and Optimization of Kumar-Rajagopalan-Sahai Coding Constructions for Blacklisting Problem
Maki YOSHIDA Toru FUJIWARA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/09/01
Vol. E84-A  No. 9  pp. 2338-2345
Type of Manuscript:  PAPER
Category: Information Security
Keyword: 
data securitybroadcast distribution systemcover-free familymaximum distance separable code
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A Subscriber-Excluding and Traitor-Tracing Broadcast Distribution System
Maki YOSHIDA Toru FUJIWARA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/01/01
Vol. E84-A  No. 1  pp. 247-255
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: 
Keyword: 
broadcast distribution systemsubscriber-excludingpirate decodertraitor tracingElGamal cryptosystem
 Summary | Full Text:PDF(250.5KB)