Use of an encryption server for encrypting messages

Details Use of an encryption server for encrypting messages Use of an encryption server for encrypting messages

1996-04-29

1998-05-12

Tarcza, Thomas H.

Cryptography

Key management

Having particular key generator

380 25, H04L 900

Patent

active

057518130

ABSTRACT:
An encryption server receives a first encrypted message (105) and decrypts (403) the encrypted message using a first key, yielding a decrypted message comprising a second encrypted message (105A), an identification of a sender of the first encrypted message, and an identification of a first recipient. The second encrypted message, the identification of the sender, and the identification of the first recipient are determined (405) from the decrypted message. The second encrypted message and the identification of the sender are encrypted (409) with a second key, yielding a third encrypted message (109). The third encrypted message (109) is transmitted to the first recipient.

REFERENCES:
patent: 5455865 (1995-10-01), Perlman
patent: 5479514 (1995-12-01), Klonowski
patent: 5574785 (1996-11-01), Ueno

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