Method for authenticating the user of a data station connected to a computer system
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United States of America Patent
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Jun 21, 1994
Grant Date -
N/A
app pub date -
Sep 22, 1992
filing date -
Mar 20, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a process for authenticating a user using a data station (16) in relation to a computer system (14) connected to the data station (16), a first value z is determined in the computer system (14) from an identification word (u) stored for the user in the computer system and a random number r generated in the computer system, and a second value y is determined in the computer system (14) from the password a given by the user and the random number r. The password a is encoded before being sent to the computer system (14) and coded there by a one-way function (30). As a result of these measures, the password a does not appear in the clear text at any point in the data transmission.
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