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CRYPTO
2007
Springer
162views Cryptology» more  CRYPTO 2007»
14 years 1 months ago
Universally-Composable Two-Party Computation in Two Rounds
Round complexity is a central measure of efficiency, and characterizing the round complexity of various cryptographic tasks is of both theoretical and practical importance. We show...
Omer Horvitz, Jonathan Katz
CSFW
2005
IEEE
14 years 1 months ago
A Cryptographically Sound Dolev-Yao Style Security Proof of an Electronic Payment System
We present the first cryptographically sound Dolev-Yaostyle security proof of a comprehensive electronic payment system. The payment system is a slightly simplified variant of t...
Michael Backes, Markus Dürmuth
ESORICS
2004
Springer
14 years 1 months ago
A Cryptographically Sound Dolev-Yao Style Security Proof of the Otway-Rees Protocol
We present the first cryptographically sound security proof of the well-known Otway-Rees protocol. More precisely, we show that the protocol is secure against arbitrary active att...
Michael Backes
EUROCRYPT
1999
Springer
13 years 12 months ago
A Note on the Limits of Collusion-Resistant Watermarks
In one proposed use of digital watermarks, the owner of a document D sells slightly different documents, D1 , D2 , . . . to each buyer; if a buyer posts his/her document Di to the...
Funda Ergün, Joe Kilian, Ravi Kumar
COSIT
1997
Springer
115views GIS» more  COSIT 1997»
13 years 12 months ago
Qualitative Representation of Change
Current geographic information systems (GISs) have been designed for querying and maintaining static databases representing static phenomena and give little support to those users ...
Kathleen Hornsby, Max J. Egenhofer