Keigo MAJIMA


Managing Encryption and Key Publication Independently in Digital Rights Management Systems
Goichiro HANAOKA Kazuto OGAWA Itsuro MUROTA Go OHTAKE Keigo MAJIMA Seiichi GOHSHI Kimiyuki OYAMADA Seiichi NAMBA Hideki IMAI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/01/01
Vol. E87-A  No. 1  pp. 160-172
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: Applications
Keyword: 
digital rights management systemscopyright protectionsemantic securityadaptive attacks
 Summary | Full Text:PDF

Precise Write-Time Compensation for Nonlinear Transition Shift in Magnetic Tape Recording Using a d=1 RLL Code
Toshihiro UEHARA Keigo MAJIMA Shoichiro OGAWA Junji NUMAZAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/12/25
Vol. E82-C  No. 12  pp. 2234-2240
Type of Manuscript:  Special Section PAPER (Special Issue on Information Storage Technologies for the 21st Century)
Category: 
Keyword: 
write-time compensationnonlinear transition shiftVCRRLL code
 Summary | Full Text:PDF