331 search results - page 34 / 67 » Provably Secure Timed-Release Public Key Encryption |
ACNS
2003
Springer
14 years 24 days ago
2003
Springer
Distributed key generation is one of the most challenging tasks for threshold cryptosystems. Designing such a protocol and proving its security against a malicious, adaptive adver...
IEEECIT
2010
IEEE
13 years 5 months ago
2010
IEEE
Suppose Bob, the boss in Company A, pays a secure cloud storage service and authorizes all the employees in that company to share such a service. There exists a user hierarchy: Bob...
ICALP
2005
Springer
14 years 1 months ago
2005
Springer
Abstract An encryption scheme is non-malleable if the adversary cannot transform a ciphertext into one of a related message under the given public key. Although providing a very st...
CRYPTO
2012
Springer
11 years 10 months ago
2012
Springer
We provide a functional encryption system that supports functionality for regular languages. In our system a secret key is associated with a Deterministic Finite Automata (DFA) M....
CCS
2006
ACM
13 years 11 months ago
2006
ACM
We introduce a simple primitive called Augmented Broadcast Encryption (ABE) that is sufficient for constructing broadcast encryption, traitor-tracing, and trace-and-revoke systems...