4 search results - page 1 / 1 » An Asymmetric Cryptographic Key Assignment Scheme for Access... |
IJNSEC
2007
13 years 4 months ago
2007
In a hierarchical structure, a user in a security class has access to information items of another class if and only if the former class is a predecessor of latter. Based upon cry...
AINA
2007
IEEE
13 years 11 months ago
2007
IEEE
In hierarchical distributed systems, shared data access can be controlled by assigning user groups single cryptographic keys that allow high level users derive low level keys, but...
ESORICS
2007
Springer
13 years 10 months ago
2007
Springer
The problem of key management in access hierarchies studies ways to assign keys to users and classes such that each user, after receiving her secret key(s), is able to independentl...
MMSEC
2004
ACM
13 years 10 months ago
2004
ACM
CSS, the first system to protect multimedia content on the new DVD medium failed badly, because both its encryption algorithm and its key management could easily be broken. A new ...