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CRYPTO
2003
Springer
95views Cryptology» more  CRYPTO 2003»
14 years 21 days ago
Plaintext Awareness via Key Registration
Abstract. In this paper, we reconsider the notion of plaintext awareness. We present a new model for plaintext-aware encryption that is both natural and useful. We achieve plaintex...
Jonathan Herzog, Moses Liskov, Silvio Micali
ACNS
2005
Springer
167views Cryptology» more  ACNS 2005»
14 years 1 months ago
Identity Based Encryption Without Redundancy
This paper presents a first example of secure identity based encryption scheme (IBE) without redundancy in the sense of Phan and Pointcheval. This modification of the Boneh-Frank...
Benoît Libert, Jean-Jacques Quisquater
EUROCRYPT
1994
Springer
13 years 11 months ago
Designated Confirmer Signatures
Abstract. We construct the first O(1)-size designated confirmer signatures (DCS) with security in the state-of-the-art model of Camenisch and Michels, Eurocrypt 2000, without rando...
David Chaum
ACISP
2010
Springer
13 years 9 months ago
Attribute-Based Authenticated Key Exchange
We introduce the concept of attribute-based authenticated key exchange (AB-AKE) within the framework of ciphertext policy attribute-based systems. A notion of AKE-security for AB-A...
M. Choudary Gorantla, Colin Boyd, Juan Manuel Gonz...
EUROCRYPT
2003
Springer
14 years 21 days ago
A Forward-Secure Public-Key Encryption Scheme
Cryptographic computations are often carried out on insecure devices for which the threat of key exposure represents a serious concern. Forward security allows one to mitigate the...
Ran Canetti, Shai Halevi, Jonathan Katz