In this paper, we propose a new efficient and secure micro-payment scheme, named e-coupons, which can provide the users the facility of delegating their spending capability to oth...
— Jobs on the Grid require security credentials throughout their run for accessing secure Grid resources, such as GridFTP data repositories. However, delegating long-lived creden...
User-to-User Communication within Internet-based 3D Virtual Environments is usually difficult mainly due to the trade-off between the capability and the complexity of the interface...
Applications that span multiple virtual organizations (VOs) are of great interest to the eScience community. However, recent attempts to execute large-scale parameter sweep applic...
Shahaan Ayyub, David Abramson, Colin Enticott, Sla...
Identity-based (ID-based) public key cryptosystem can be a good alternative for certificate-based public key setting, especially when efficient key management and moderate securit...