Method for encryption or decryption using finite group operations
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United States of America Patent
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Nov 6, 2001
Grant Date -
N/A
app pub date -
Aug 5, 1998
filing date -
Aug 5, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a method for encrypting or decrypting a sequence of successive data words in a data communications device, the method comprising executing an algorithm in which a sequence of quasi-random encryption words is generated from predetermined start values by performing operations in a finite group, and in which a respective one of the encryption words is combined with a respective one of the data words.
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