Arisa FUJII


Weakened Anonymity of Group Signature and Its Application to Subscription Services
Kazuto OGAWA Go OHTAKE Arisa FUJII Goichiro HANAOKA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2014/06/01
Vol. E97-A  No. 6  pp. 1240-1258
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
subscription serviceanonymitylinkabilityunlinkabilitygroup signature
 Summary | Full Text:PDF(1.2MB)

Secure Broadcast System with Simultaneous Individual Messaging
Arisa FUJII Go OHTAKE Goichiro HANAOKA Nuttapong ATTRAPADUNG Hajime WATANABE Kazuto OGAWA Hideki IMAI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/06/01
Vol. E94-A  No. 6  pp. 1328-1337
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
digital broadcastingcopyright protectionConditional Access System (CAS)broadcast encryption
 Summary | Full Text:PDF(729.8KB)