42 search results - page 8 / 9 » Public-Key Encryption Indistinguishable Under Plaintext-Chec... |
EUROCRYPT
2011
Springer
12 years 8 months ago
2011
Springer
We propose a Multi-Authority Attribute-Based Encryption (ABE) system. In our system, any party can become an authority and there is no requirement for any global coordination othe...
EUROCRYPT
2008
Springer
13 years 7 months ago
2008
Springer
We introduce a new notion called -isolated proofs of knowledge ( -IPoK). These are proofs of knowledge where a cheating prover is allowed to exchange up to bits of communication wi...
EUROCRYPT
2009
Springer
14 years 5 months ago
2009
Springer
A group key agreement (GKA) protocol allows a set of users to establish a common secret via open networks. Observing that a major goal of GKAs for most applications is to establish...
ACMSE
2009
ACM
13 years 3 months ago
2009
ACM
Proxy re-encryption, abbreviated as PRE, is a cryptosystem which allows the proxy to re-encrypt a cirphertext without accessing the underlying message. The re-encryption protocol ...
ESORICS
2007
Springer
13 years 11 months ago
2007
Springer
Abstract. We propose a general transformation that maps a cryptographic protocol that is secure in an extremely weak sense (essentially in a model where no adversary is present) in...