Data Encryption Method Using Discrete Fractional Hadamard Transformation
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United States of America Patent
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Issued Date -
May 28, 2009
app pub date -
Dec 4, 2007
filing date -
Nov 26, 2007
priority date (Note) -
Abandoned
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Abstract
A data encryption method using discrete fractional Hadamard transformation includes the steps of: providing a set of data; processing the data with discrete fractional Hadamard transformation to generate at least one Hadamard matrix, the Hadamard matrix having eigen vectors corresponding to eigen values; selecting order parameters from order vectors of the Hadamard matrix; designating the order parameters as a private key in data encryption. In an embodiment, a set of integers is designated to define numerators and denominators of fractions which represent the eigen values of the Hadamard matrix.
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