Method and apparatus for encryption and decryption
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United States of America Patent
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Aug 17, 2004
Grant Date -
N/A
app pub date -
Aug 13, 1999
filing date -
Aug 13, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and apparatus are provided for encrypting a stream of data transmitted within a frame. The method includes determining a first initialization state in a first preselected interval, and determining the first initialization state in a second preselected interval, wherein the second preselected interval is less than the first preselected interval. The method includes generating a key stream in response to determining the first initialization state in the second preselected interval, and encrypting at least one bit of the stream of data with at least one bit of the key stream.
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