Authenticator
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Oct 23, 1990
Grant Date -
N/A
app pub date -
May 18, 1988
filing date -
May 19, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An authenticator for digital data is derived by generating a numerical array, using a secret key to controllably shift the relative positions of the elements of the array, and applying the scrambled array to a message to create an authenticator for that message. The method allows a high level of security and minimizes the risk of a system, such as an intelligent portable token and reader system, being compromised.
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