Shingo OKA


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
 Summary | Full Text:PDF(194.8KB)