ENCRYPTION SYSTEM USING DISCRETE CHAOS FUNCTION
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United States of America Patent
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Issued Date -
May 9, 2013
app pub date -
Apr 29, 2011
filing date -
Apr 29, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Provided is an encryption system, which includes: an encryption round calculation unit for encrypting a plain text; and a substitution unit provided at the encryption round calculation unit and having a plurality of S-boxes defined by a discrete chaos function using each of a plurality of key values as a parameter and performing a substitution calculation process to each of words of the plain text divided by the number of the plurality of key values. Since a discrete chaos function becomes a standard for an S-box design and an encryption calculation operation is performed by a plurality of S-boxes, the encryption system may be applied to a system having a small computational complexity.
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