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DCC
2011
IEEE
12 years 11 months ago
Some observations on HC-128
In this paper, we use linear approximations of the addition modulo 2n of three n-bit integers to identify linear approximations of g1, g2, the feedback functions of HC-128. This, i...
Subhamoy Maitra, Goutam Paul, Shashwat Raizada, Su...
IWSEC
2009
Springer
13 years 11 months ago
Improved Distinguishing Attacks on HC-256
The software-efficient stream cipher HC-256 was proposed by Wu at FSE 2004. Due to its impressive performance, the cipher was also a well-received entrant to the ECRYPT eSTREAM com...
Gautham Sekar, Bart Preneel
LREC
2010
189views Education» more  LREC 2010»
13 years 6 months ago
Constructing an Annotated Story Corpus: Some Observations and Issues
This paper discusses our ongoing work on constructing an annotated corpus of children's stories for further studies on the linguistic, computational, and cognitive aspects of...
Oi Yee Kwong
DAGSTUHL
2003
13 years 6 months ago
Some Methodological Observations Resulting from Experience Using LSCs and the Play-In/Play-Out Approach
The play-in/play-out approach is a method for specifying and developing complex reactive systems. It is built upon a scenariobased philosophy, and uses the language of live sequenc...
David Harel, Hillel Kugler, Gera Weiss
IPL
2007
75views more  IPL 2007»
13 years 4 months ago
Some observations on LR-like parsing with delayed reduction
We discuss a bottom-up parsing technique based on delayed reductions, and investigate its capabilities and limitations. Some non-LR(k) grammars, for any k, are handled determinist...
Eberhard Bertsch, Mark-Jan Nederhof