Process for the control of the use of a data processing work station by a password and data processing work station using this process
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United States of America Patent
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Jun 22, 1993
Grant Date -
N/A
app pub date -
Dec 23, 1991
filing date -
Dec 27, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Method for controlling the use of a data-processing workstation (1) by password, comprising storage of the password within the workstation and, at each initialization of this latter, acquisition of a password proposition followed by a comparison of this proposition with the stored password. The password is stored in a controlled-erasure permanent memory unit. In order to release the workstation (1) in the event of loss of the password, provision is made for generation (D1) of a set (36) of data associated with the blocked workstation, communication (D2) of part of these data by the user to an authorized service (S), supply (D3) in return by this service of coded release data (43), acquisition (D4) of these latter by the user on the workstation, thereby resulting, in the event of compliance, in erasure of the initial password and in release of the workstation. Application in an industrial environment to control of the use of offline or network workstations.
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