4529 search results - page 13 / 906 » Position Based Cryptography |
EUROCRYPT
2003
Springer
15 years 5 months ago
2003
Springer
We introduce captcha, an automated test that humans can pass, but current computer programs can’t pass: any program that has high success over a captcha can be used to solve an u...
CRYPTO
2009
Springer
15 years 6 months ago
2009
Springer
Abstract. We consider enhancing with privacy concerns a large class of auctions, which include sealed-bid single-item auctions but also general multi-item multi-winner auctions, ou...
107
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AAAI
1996
15 years 1 months ago
1996
In order to re-use existing models of the environment mobile robots must be able to estimate their position and orientation in such models. Most of the existing methods for positi...
DAM
2008
14 years 12 months ago
2008
We give an overview on twisting commutative algebraic groups and applications to discrete log based cryptography. We explain how discrete log based cryptography over extension fie...
110
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FOCS
2007
IEEE
15 years 6 months ago
2007
IEEE
The Common Reference String (CRS) model equips all protocol participants with a common string that is sampled from a pre-specified distribution, say the uniform distribution. Thi...