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ISW
2004
Springer
14 years 3 months ago
2004
Springer
Abstract. Canetti and Rabin recently proposed a universally composable ideal functionality FSIG for digital signatures. We show that this functionality cannot be securely realized ...
AFRICACRYPT
2008
Springer
13 years 11 months ago
2008
Springer
Abstract. In the context of iterated hash functions, "dithering" designates the technique of adding an iteration-dependent input to the compression function in order to d...
COCO
2004
Springer
14 years 3 months ago
2004
Springer
In decision tree models, considerable attention has been paid on the effect of symmetry on computational complexity. That is, for a permutation group Γ, how low can the complexit...
JSYML
2010
13 years 8 months ago
2010
By taking a closer look at the construction of an Ackermann function we see that between any primitive recursive degree and its Ackermann modification there is a dense chain of p...
EUROGP
1999
Springer
14 years 2 months ago
1999
Springer
The paper presents the abstraction transformation which is a fundaethod for creating functions in ADATE. The use of abstraction turns out to be similar to evolution by gene duplic...