Method and apparatus for authenticating the use of software
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United States of America Patent
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Jul 29, 1997
Grant Date -
N/A
app pub date -
May 8, 1995
filing date -
May 8, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A hardware encoding circuit which generates a code value unique to a particular computer, stores a password unique to an application program and to the particular computer, tests the stored password against a verification value generated by the hardware encoding program each time the application program is run, and generates an error signal if the stored password and the verification value do not match.
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