45 search results - page 8 / 9 » Security Notions and Generic Constructions for Client Puzzle... |
IACR
2011
12 years 7 months ago
2011
We investigate public key encryption that allows the originator of a ciphertext to retrieve a “forgotten” plaintext from the ciphertext. This type of public key encryption wit...
TCC
2009
Springer
14 years 8 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...
CTRSA
2003
Springer
14 years 23 days ago
2003
Springer
Exposure of secret keys seems to be inevitable, and may in practice represent the most likely point of failure in a cryptographic system. Recently, the notion of intrusion-resilien...
CRYPTO
2011
Springer
12 years 7 months ago
2011
Springer
In CRYPTO 1997, Canetti et al.put forward the intruiging notion of deniable encryption, which (informally) allows a sender and/or receiver, having already performed some encrypted...
TCC
2012
Springer
12 years 3 months ago
2012
Springer
In tandem with recent progress on computing on encrypted data via fully homomorphic encryption, we present a framework for computing on authenticated data via the notion of slight...