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» Secure Signature Schemes based on Interactive Protocols
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ICIP
2005
IEEE
14 years 9 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
CHES
2009
Springer
140views Cryptology» more  CHES 2009»
14 years 8 months ago
On Tamper-Resistance from a Theoretical Viewpoint
Tamper-proof devices are pretty powerful. They can be used to have better security in applications. In this work we observe that they can also be maliciously used in order to defea...
Paulo Mateus, Serge Vaudenay
CRYPTO
2011
Springer
207views Cryptology» more  CRYPTO 2011»
12 years 7 months ago
Secure Computation on the Web: Computing without Simultaneous Interaction
Secure computation enables mutually suspicious parties to compute a joint function of their private inputs while providing strong security guarantees. Amongst other things, even i...
Shai Halevi, Yehuda Lindell, Benny Pinkas
PKC
2005
Springer
93views Cryptology» more  PKC 2005»
14 years 1 months ago
Optimizing Robustness While Generating Shared Secret Safe Primes
We develop a method for generating shared, secret, safe primes applicable to use in threshold RSA signature schemes such as the one developed by Shoup. We would like a scheme usabl...
Emil Ong, John Kubiatowicz
JCP
2007
88views more  JCP 2007»
13 years 7 months ago
Watermarks and Text Transformations in Visual Document Authentication
— Integrity of digital documents is a very important issue if they are to be legally binding. Common solutions, like digital signatures or message authentication codes, are based...
Igor Fischer, Thorsten Herfet