Encryption key control system for mail processing system having data center verification

A key control system comprises the generation of a first set of keys (44) which are then used for a plurality of respective postage meters (12). The keys are then related to a respective meter in accordance with a map or algorithm. The keys may be changed by entering the second key via an encryption...

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Bibliographische Detailangaben
Hauptverfasser:	PINTSOV, LEON A, KIM, HYUNG-KUN PAUL, CORDERY, ROBERT A
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHECKING-DEVICES ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY FARE-REGISTERING APPARATUS FRANKING APPARATUS PHYSICS TICKET-ISSUING APPARATUS TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:	A key control system comprises the generation of a first set of keys (44) which are then used for a plurality of respective postage meters (12). The keys are then related to a respective meter in accordance with a map or algorithm. The keys may be changed by entering the second key via an encryption (DES) using the first key.