11 search results - page 1 / 3 » A Framework for Identity-Based Encryption with Almost Tight ... |
TCC
2009
Springer
14 years 5 months ago
2009
Springer
We present the first hierarchical identity based encryption (HIBE) system that has full security for more than a constant number of levels. In all prior HIBE systems in the literat...
CANS
2006
Springer
13 years 8 months ago
2006
Springer
INFORMATICALT
2010
13 years 3 months ago
2010
In a fuzzy identity-based encryption (IBE) scheme, a user with the secret key for an identity ID is able to decrypt a ciphertext encrypted with another identity ID if and only if I...
IEICET
2008
13 years 4 months ago
2008
Abstract-- The identity-based encryption (IBE) is one of the most important primitives in cryptography, and various security notions of IBE (e.g., IND-ID-CCA2, NM-ID-CCA2, IND-sID-...
CCS
2009
ACM
14 years 5 months ago
2009
ACM
Denial of Service (DoS) attacks are serious threats for network societies. For dealing with DoS attacks, Jakobsson and Juels first proposed the notion of useful client puzzles (UC...