Cryptography – Key management – Having particular key generator
Patent
1993-11-03
1995-10-03
Lim, Krisna
Cryptography
Key management
Having particular key generator
39518701, 395650, 380 4, 380 23, 380 25, 364DIG1, 3642418, 3642466, 364284, 3642843, G06F 1314, H04L 900
Patent
active
054559537
ABSTRACT:
An authorization mechanism for providing authorization information for a client requesting access to a server resource in a server, including a directory server for storing client information required by the server in executing an operation call, including client access rights, and a generating a request for an authorization ticket to the server. The request for an authorization ticket includes an identification of the client and an identification of the client information required by the server and is in association with an operation call. The authorization mechanism generates an authorization ticket including the identified information and encrypted with an encryption key derived from the password of the server. The authorization ticket is sent to the server and the server decrypts the authorization ticket with the server password and obtains the client information directly, including the client access rights. Client information is stored in directory server fields identified by generic field tags. The authorization ticket request identifies client information by tag names identifying the fields, the requested information in stored in the authorization ticket in fields identified by the tag names, and the server mechanism then reads the client information by parsing the ticket with the tag names.
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Lim Krisna
Milik Kenneth L.
Wang Laboratories, Inc.
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