231 search results - page 24 / 47 » Generalized Identity Based and Broadcast Encryption Schemes |
JOC
2010
13 years 6 months ago
2010
We present a new encryption scheme which is secure against adaptive chosenciphertext attack (or CCA2-secure) in the standard model (i.e. without the use of random oracle). Our sch...
MOBISYS
2004
ACM
14 years 7 months ago
2004
ACM
Wireless data broadcast has received a lot of attention from industries and academia in recent years. Access efficiency and energy conservation are two critical performance concer...
ASIACRYPT
2003
Springer
14 years 25 days ago
2003
Springer
In this paper1 we propose a new symmetric block cipher with the following paradoxical traceability properties: it is computationally easy to derive many equivalent secret keys prov...
CCS
2009
ACM
14 years 8 months ago
2009
ACM
In distributed systems users need the ability to share sensitive content with multiple other recipients based on their ability to satisfy arbitrary policies. One such system is el...
TC
2010
13 years 6 months ago
2010
—Key transfer protocols rely on a mutually trusted key generation center (KGC) to select session keys and transport session keys to all communication entities secretly. Most ofte...