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IFIP
2004
Springer
15 years 10 months ago
Multicode Multirate Compact Assignment of OVSF Codes for QoS Differentiated Terminals
—Orthogonal variable spreading factor (OVSF) codes are used in both universal terrestrial radio access–frequency division duplex (UTRA-FDD) and time division duplex (UTRA-TDD) ...
Yang Yang, Tak-Shing Peter Yum
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IFIP
2004
Springer
15 years 10 months ago
Looking Inside AES and BES
We analyze an algebraic representation of AES–128 as an embedding in BES, due to Murphy and Robshaw. We present two systems of equations S and K concerning encryption and key gen...
Ilia Toli, Alberto Zanoni
IFIP
2004
Springer
15 years 10 months ago
Efficient Algorithms for Handling Molecular Weighted Sequences
Abstract In this paper we introduce the Weighted Suffix Tree, an efficient data structure for computing string regularities in weighted sequences of molecular data. Molecular Wei...
Costas S. Iliopoulos, Christos Makris, Yannis Pana...
IFIP
2004
Springer
15 years 10 months ago
Tailoring Recursion to Characterize Non-Deterministic Complexity Classes over Arbitrary Structures
We provide machine-independent characterizations of some complexity classes, over an arbitrary structure, in the model of computation proposed by L. Blum, M. Shub and S. Smale. We ...
Olivier Bournez, Felipe Cucker, Paulin Jacob&eacut...
IFIP
2004
Springer
15 years 10 months ago
A Randomised Algorithm for Checking the Normality of Cryptographic Boolean Functions
Abstract A Boolean function is called normal if it is constant on flats of certain dimensions. This property is relevant for the construction and analysis of cryptosystems. This p...
An Braeken, Christopher Wolf, Bart Preneel
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