2006 |
3 | EE | Takayuki Tobita,
Hironori Yamamoto,
Hiroshi Doi,
Keigo Majima:
Privacy-Enhanced Content Distribution and Charging Scheme Using Group Signature.
WISA 2006: 324-338 |
2004 |
2 | EE | Goichiro Hanaoka,
Kazuto Ogawa,
Itsuro Murota,
Go Ohtake,
Keigo Majima,
Seiichi Gohshi,
Kimiyuki Oyamada,
Seiichi Namba,
Hideki Imai:
Managing Encryption and Key Publication Independently in Digital Rights Management Systems.
IEICE Transactions 87-A(1): 160-172 (2004) |
2003 |
1 | EE | Goichiro Hanaoka,
Kazuto Ogawa,
Itsuro Murota,
Go Ohtake,
Keigo Majima,
Kimiyuki Oyamada,
Seiichi Gohshi,
Seiichi Namba,
Hideki Imai:
Separating Encryption and Key Issuance in Digital Rights Management Systems.
ACISP 2003: 365-376 |