Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Central trusted authority provides computer authentication
Reexamination Certificate
2005-09-06
2005-09-06
Caldwell, Andrew (Department: 2137)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Central trusted authority provides computer authentication
C709S229000
Reexamination Certificate
active
06941455
ABSTRACT:
System and method for cross directory authentication in a Public Key Infrastructure. A first directory is configured to query a second directory when receiving queries regarding signature certificates from a second enterprise PKI. The first directory is part of a first enterprise PKI, and the second directory is part of the second enterprise PKI. Access to a first enterprise PKI server is attempted by a user. The user presents a signature certificate from the second enterprise PKI to the server for authentication. A query is sent to the first directory from the server to determine if the user is allowed access to the server. A query is sent to the second directory from the first directory to determine if the user is a member of the second enterprise PKI. The server approves access to the server if the user is a member of the second enterprise PKI.
REFERENCES:
patent: 5922074 (1999-07-01), Richard et al.
patent: 6131120 (2000-10-01), Reid
patent: 6223291 (2001-04-01), Puhl et al.
patent: 10-308733 (1988-11-01), None
Caldwell Andrew
Nguyen Minh Dieu
Northrop Grumman Corporation
Tarolli, Sundheim Covell & Tummino L.L.P.
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