68 search results - page 4 / 14 » Cross-intersecting families of permutations |
COMBINATORICS
2007
14 years 9 months ago
2007
A permutation class which is closed under pattern involvement may be described in terms of its basis. The wreath product construction X Y of two permutation classes X and Y is als...
EUROCRYPT
2000
Springer
15 years 1 months ago
2000
Springer
We show that although unconditionally secure quantum bit commitment is impossible, it can be based upon any family of quantum one-way permutations. The resulting scheme is uncondit...
TCC
2009
Springer
15 years 10 months ago
2009
Springer
We study the possibility of constructing encryption schemes secure under messages that are chosen depending on the key k of the encryption scheme itself. We give the following sep...
CRYPTO
2005
Springer
15 years 3 months ago
2005
Springer
The Full-Domain Hash (FDH) signature scheme [3] forms one the most basic usages of random oracles. It works with a family F of trapdoor permutations (TDP), where the signature of m...
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EUROCRYPT
2004
Springer
15 years 3 months ago
2004
Springer
An aggregate signature scheme (recently proposed by Boneh, Gentry, Lynn, and Shacham) is a method for combining n signatures from n different signers on n different messages int...