Access control in a distributed computer system
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United States of America Patent
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Aug 16, 1994
Issued Date -
N/A
app pub date -
Apr 5, 1993
filing date -
May 11, 1990
priority date (Note) -
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status (Latency Note)
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Abstract
A distributed computer system, has a number of users and target applications. When a user logs on to the system, an authentication unit issues the user with a privilege attribute certificate (PAC) representing the user's access rights. When the user wishes to access a target application, he presents the PAC to that application as evidence of his access rights. The application, in turn, passes the PAC to a PAC use monitor (PUM) which validates the PAC. The PUM is shared between a plurality of applications.
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