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CRYPTO
2007
Springer
134views Cryptology» more  CRYPTO 2007»
14 years 4 months ago
Domain Extension of Public Random Functions: Beyond the Birthday Barrier
A public random function is a random function that is accessible by all parties, including the adversary. For example, a (public) random oracle is a public random function {0, 1}ā...
Ueli M. Maurer, Stefano Tessaro
APAL
2010
85views more  APAL 2010»
13 years 10 months ago
Elementary differences between the degrees of unsolvability and degrees of compressibility
Given two infinite binary sequences A, B we say that B can compress at least as well as A if the prefix-free Kolmogorov complexity relative to B of any binary string is at most as ...
George Barmpalias
ECCC
2010
122views more  ECCC 2010»
13 years 8 months ago
Query Complexity Lower Bounds for Reconstruction of Codes
We investigate the problem of local reconstruction, as deļ¬ned by Saks and Seshadhri (2008), in the context of error correcting codes. The ļ¬rst problem we address is that of me...
Sourav Chakraborty, Eldar Fischer, Arie Matsliah
TCC
2012
Springer
226views Cryptology» more  TCC 2012»
12 years 5 months ago
On the Instantiability of Hash-and-Sign RSA Signatures
The hash-and-sign RSA signature is one of the most elegant and well known signatures schemes, extensively used in a wide variety of cryptographic applications. Unfortunately, the o...
Yevgeniy Dodis, Iftach Haitner, Aris Tentes
PKC
2012
Springer
235views Cryptology» more  PKC 2012»
12 years 9 days ago
Improved Security for Linearly Homomorphic Signatures: A Generic Framework
ded abstract of this work will appear in Public Key Cryptography ā€” PKC 2012. This is the full version. We propose a general framework that converts (ordinary) signature schemes ...
David Mandell Freeman