27 search results - page 4 / 6 » Efficient Selective-ID Secure Identity-Based Encryption With... |
PKC
2009
Springer
14 years 9 months ago
2009
Springer
At Crypto'07, Goyal introduced the concept of Accountable Authority Identity-Based Encryption as a convenient tool to reduce the amount of trust in authorities in Identity-Bas...
CCS
2005
ACM
14 years 2 months ago
2005
ACM
We describe a new encryption technique that is secure in the standard model against adaptive chosen ciphertext (CCA2) attacks. We base our method on two very efficient Identity-Ba...
EUROCRYPT
2006
Springer
14 years 6 days ago
2006
Springer
We present the first aggregate signature, the first multisignature, and the first verifiably encrypted signature provably secure without random oracles. Our constructions derive f...
CCS
2009
ACM
14 years 9 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
2009
Springer
13 years 6 months ago
2009
Springer
In this paper, we propose a notion of threshold tag-based encryption schemes that simplifies the notion of threshold identity-based encryption schemes, and we show a conversion fro...