331 search results - page 34 / 67 » Provably Secure Timed-Release Public Key Encryption |
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ACNS
2003
Springer
15 years 3 months 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
14 years 8 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...
67
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ICALP
2005
Springer
15 years 3 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...
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CRYPTO
2012
Springer
13 years 24 days 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
15 years 2 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...