168 search results - page 15 / 34 » Group Encryption |
CRYPTO
2006
Springer
14 years 1 months ago
2006
Springer
We present an identity-based cryptosystem that features fully anonymous ciphertexts and hierarchical key delegation. We give a proof of security in the standard model, based on the...
CRYPTO
2005
Springer
14 years 3 months ago
2005
Springer
We describe two new public key broadcast encryption systems for stateless receivers. Both systems are fully secure against any number of colluders. In our first construction both...
ASIACRYPT
2000
Springer
14 years 2 months ago
2000
Springer
Assuming a cryptographically strong cyclic group G of prime order q and a random hash function H, we show that ElGamal encryption with an added Schnorr signature is secure against ...
SP
2000
IEEE
14 years 2 months ago
2000
IEEE
In this paper, we describe a novel approach to scalable group re-keying for secure multicast. Our approach, which we call Kronos, is based upon the idea of periodic group re-keyin...
CCS
2010
ACM
13 years 7 months ago
2010
ACM
Numerous applications in ad hoc networks, peer-to-peer networks, and on-the-fly data sharing call for confidential broadcast without relying on a dealer. To cater for such applica...