101 search results - page 16 / 21 » Compact Group Signatures Without Random Oracles |
PKC
2009
Springer
14 years 8 months ago
2009
Springer
This paper proposes a chosen-ciphertext secure variant of the ElGamal public-key encryption scheme which generates very compact ciphertexts for messages of arbitrary length. The ci...
CCS
2008
ACM
13 years 9 months ago
2008
ACM
In 1998, Blaze, Bleumer, and Strauss suggested a cryptographic primitive termed proxy re-signature in which a proxy transforms a signature computed under Alice's secret key in...
ASIACRYPT
2008
Springer
13 years 9 months ago
2008
Springer
In a proof-of-retrievability system, a data storage center must prove to a verifier that he is actually storing all of a client's data. The central challenge is to build syst...
ASIACRYPT
2007
Springer
14 years 1 months ago
2007
Springer
ersion of an extended abstract to be published in Advances in Cryptology—ASIACRYPT 2007, Springer-Verlag, 2007. Available online from: http://www.cs.stanford.edu/∼xb/asiacrypt0...
TC
2008
13 years 7 months ago
2008
In a distributed key distribution scheme, a set of servers help a set of users in a group to securely obtain a common key. Security means that an adversary who corrupts some server...