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» Provably Secure Timed-Release Public Key Encryption
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CCS
2005
ACM
14 years 1 months ago
Direct chosen ciphertext security from identity-based techniques
We describe a new encryption technique that is secure in the standard model against adaptive chosen ciphertext (CCA2) attacks. We base our method on two very efficient Identity-Ba...
Xavier Boyen, Qixiang Mei, Brent Waters
ACNS
2010
Springer
187views Cryptology» more  ACNS 2010»
13 years 10 months ago
Generic Constructions for Verifiably Encrypted Signatures without Random Oracles or NIZKs
Verifiably encrypted signature schemes (VES) allow a signer to encrypt his or her signature under the public key of a trusted third party, while maintaining public signature verifi...
Markus Rückert, Michael Schneider 0002, Domin...
IH
2004
Springer
14 years 26 days ago
An Asymmetric Security Mechanism for Navigation Signals
Abstract. Existing navigation services, such as GPS, offer no signalintegrity (anti-spoof) protection for the general public, especially not with systems for remote attestation of...
Markus G. Kuhn
ICALP
2005
Springer
14 years 1 months ago
On Steganographic Chosen Covertext Security
At TCC 2005, Backes and Cachin proposed a new and very strong notion of security for public key steganography: secrecy against adaptive chosen covertext attack (SS-CCA); and posed ...
Nicholas Hopper
IACR
2011
88views more  IACR 2011»
12 years 7 months ago
Storing Secrets on Continually Leaky Devices
We consider the question of how to store a value secretly on devices that continually leak information about their internal state to an external attacker. If the secret value is s...
Yevgeniy Dodis, Allison B. Lewko, Brent Waters, Da...