Security system

Details Security system Security system

1989-06-30

1991-02-19

Tarcza, Thomas H.

Cryptography

Particular algorithmic function encoding

Nbs/des algorithm

36424295, H04K 100

Patent

active

049951122

ABSTRACT:
In a distributed processing system having a plurality of nodes, a correspondence table, which represents a correspondence between the nodes and corresponding passwords that grant access to the nodes, stored in a disk device. Each of the nodes includes a passthrough device which permits passthrough of access request data to a node of the next hierarchical level. Upon receipt of access request data, the passthrough device refers to the correspondence table to check a password contained in the received access request data for validity of access to the node. When the password is valid, the passthrough of the access request data is permitted.

REFERENCES:
patent: 4652698 (1987-03-01), Hale et al.
patent: 4891838 (1990-01-01), Faber
patent: 4897874 (1990-01-01), Lidinsky et al.

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