Key distribution protocol for file transfer in the local area ne

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

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380 25, 380 49, H04L 908

Patent

active

053135210

ABSTRACT:
A cryptographic communications apparatus and method for use with a first terminal, a file server, a key distribution center and a communications channel. The method is made simple by using classical-key-encryption algorithms for electronic generation of session keys. The terminal is verified at a key distribution center, using time stamp and secret identification numbers. Each path is encrypted, with each encrypted message decoded at the key distribution center and file server.

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