90 search results - page 12 / 18 » Wildcarded Identity-Based Encryption |
CTRSA
2006
Springer
15 years 1 months ago
2006
Springer
Abstract. We present a non-interactive chosen ciphertext secure threshold encryption system. The proof of security is set in the standard model and does not use random oracles. Our...
CCS
2009
ACM
15 years 10 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...
ACNS
2007
Springer
15 years 3 months ago
2007
Springer
We present two transforms to acquire chosen ciphertext security from tag based techniques. The first one requires the separability of underlying primitives. By separability, info...
LATINCRYPT
2010
14 years 7 months ago
2010
Abstract. In this paper we extend the notion of hierarchical identitybased encryption with wildcards (WIBE) from the domain of a single Trusted Authority (TA) to a setting with mul...
ANTS
2004
Springer
15 years 2 months ago
2004
Springer
In this paper we investigate the efficiency of the function field sieve to compute discrete logarithms in the finite fields F3n . Motivated by attacks on identity based encrypti...