Security method for a distributed data processing system

Details Security method for a distributed data processing system Security method for a distributed data processing system

1990-06-14

1991-04-30

Wallace, Linda J.

Cryptography

Key management

Having particular key generator

380 48, 34082531, 34082554, 364200, 3642225, 3642408, 364900, 36494061, 3649422, H04L 900, G06F 704

Patent

active

050125150

ABSTRACT:
A security mechanism is described for a distributed data processing system. Each server in the system maintains a set of security ratings giving its view of the security levels within the system. When a first server wishes to initiate a connection with a second server, the two servers exchange security information, by means of messages, so as to establish an overall security level for the connection, based on a combination of the security information maintained by both servers. However, if the first server decides that the second server cannot be trusted to discuss security, messages are exchanged containing no security information, and each server establishes its own security level for the connection, based on its own locally held security information.

REFERENCES:
patent: 4763357 (1988-08-01), Barr
patent: 4800488 (1989-01-01), Agrawal et al.

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