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158
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DCC
2008
IEEE
16 years 6 months ago
2008
IEEE
In this article we present some weaknesses in the RC4 cipher and their cryptographic applications. Especially we improve the attack described in [2] in such a way, that it will wo...
174
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DCC
2008
IEEE
16 years 6 months ago
2008
IEEE
Abstract. A standard way of implementing Huffman's optimal code construction algorithm is by using a sorted sequence of frequencies. Several aspects of the algorithm are inves...
157
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DCC
2007
IEEE
16 years 6 months ago
2007
IEEE
Davis, Jedwab and Smith recently proved that there are no 2-dimensional Barker arrays except of size 2?2. We show that the existence of a (d+1)-dimensional Barker array implies th...
137
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DCC
2007
IEEE
16 years 6 months ago
2007
IEEE
We define a mixed partition of = PG(d, qr) to be a partition of the points of into subspaces of two distinct types, for instance, a partition of PG(2n - 1, q2) into (n - 1)-spac...
158
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DCC
2007
IEEE
16 years 6 months ago
2007
IEEE
We explore the Full Compressed Delta Encoding problem in compressed texts, defined as the problem of constructing a delta file directly from the two given compressed files, withou...