State-varying hybrid stream cipher
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United States of America Patent
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Sep 5, 2006
Issued Date -
N/A
app pub date -
Jul 13, 2001
filing date -
May 23, 2000
priority date (Note) -
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Abstract
In one embodiment, a state-varying hybrid stream cipher operating within a computing device. The state-varying hybrid stream cipher comprises at least two software routines. A first routine is responsible for dividing incoming plain text into variable-sized blocks. A second software routine is for converting the plain text into cipher text based on an encryption key, an internal identifier and perhaps a percentage of random data value.
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