1073 search results - page 47 / 215 » Secure context-sensitive authorization |
IJNSEC
2010
13 years 3 months ago
2010
Recently, design of Identity-based (ID-based) threshold signature schemes which are efficient and provably secure in the standard model has drawn great concerns. In this paper, an...
IEEEARES
2008
IEEE
14 years 3 months ago
2008
IEEE
During interoperability exchanges, organizations are jointly conducting computation and sharing tasks. However, organizations can have different security policies. To guarantee g...
ESORICS
2008
Springer
13 years 11 months ago
2008
Springer
Delegation is a mechanism that allows a user A to act on another user B's behalf by making B's access rights available to A. It is well recognized as an important mechani...
CHI
2008
ACM
14 years 9 months ago
2008
ACM
Passwords are ubiquitous, and users and service providers alike rely on them for their security. However, good passwords may sometimes be hard to remember. For years, security pra...
PCM
2001
Springer
14 years 1 months ago
2001
Springer
In a digital multimedia era, the security of multimedia over network transmission becomes a challenging issue. A strategy, combining cryptography with steganography, is investigat...