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ASIACRYPT
2006
Springer
15 years 5 months ago
Simulation-Sound NIZK Proofs for a Practical Language and Constant Size Group Signatures
Non-interactive zero-knowledge proofs play an essential role in many cryptographic protocols. We suggest several NIZK proof systems based on prime order groups with a bilinear map...
Jens Groth
SP
2008
IEEE
112views Security Privacy» more  SP 2008»
15 years 8 months ago
XFA: Faster Signature Matching with Extended Automata
Automata-based representations and related algorithms have been applied to address several problems in information security, and often the automata had to be augmented with additi...
Randy Smith, Cristian Estan, Somesh Jha
COMPSEC
2004
95views more  COMPSEC 2004»
15 years 1 months ago
Cumulative notarization for long-term preservation of digital signatures
The long-term preservation of digitally signed documents may be approached and analyzed from various perspectives, i.e. future data readability, signature validity, storage media ...
Dimitrios Lekkas, Dimitris Gritzalis
SCN
2010
Springer
176views Communications» more  SCN 2010»
15 years 6 days ago
The Fiat-Shamir Transform for Group and Ring Signature Schemes
The Fiat-Shamir (FS) transform is a popular tool to produce particularly efficient digital signature schemes out of identification protocols. It is known that the resulting signat...
Ming-Feng Lee, Nigel P. Smart, Bogdan Warinschi
BIOSIG
2009
127views Biometrics» more  BIOSIG 2009»
14 years 11 months ago
Supplemental Biometric User Authentication for Digital-Signature Smart Cards
: This paper specifies how biometric verification methods can be applied in addition to PIN verification on digital-signature smart cards in compliance with established smart-card ...
Olaf Henniger, Ulrich Waldmann