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» A New Forward-Secure Digital Signature Scheme
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ICIP
2005
IEEE
14 years 7 months ago
Localization and security enhancement of block-based image authentication
Most block-based image authentication techniques that are presented in the literature sacrifice localization accuracy in order to resist vector quantization (VQ) counterfeiting att...
Abdelkader H. Ouda, Mahmoud R. El-Sakka
PODC
1998
ACM
13 years 9 months ago
Optimal Efficiency of Optimistic Contract Signing
A contract is a non-repudiable agreement on a given contract text, i.e., a contract can be used to prove agreement between its signatories to any verifier. A contract signing sche...
Birgit Pfitzmann, Matthias Schunter, Michael Waidn...
IJACT
2010
67views more  IJACT 2010»
13 years 9 days ago
On message recognition protocols: recoverability and explicit confirmation
: We look at message recognition protocols (MRPs) and prove that there is a oneto-one correspondence between stateless non-interactive MRPs and digital signature schemes. Next, we ...
Ian Goldberg, Atefeh Mashatan, Douglas R. Stinson
EUROPKI
2007
Springer
13 years 11 months ago
E-Passports as a Means Towards the First World-Wide Public Key Infrastructure
Millions of citizens around the world have already acquired their new electronic passport. The e-passport is equipped with contactless communication capability, as well as with a s...
Dimitrios Lekkas, Dimitris Gritzalis
WS
2003
ACM
13 years 10 months ago
An authentication framework for hierarchical ad hoc sensor networks
Recent results indicate scalability problems for flat ad hoc networks. To address the issue of scalability, self-organizing hierarchical ad hoc architectures are being investigat...
Mathias Bohge, Wade Trappe