Data processing: financial – business practice – management – or co – For cost/price – Postage meter system
Patent
1998-02-27
2000-11-07
Cosimano, Edward R.
Data processing: financial, business practice, management, or co
For cost/price
Postage meter system
705 60, G06F 1700
Patent
active
061449504
ABSTRACT:
A postage printing system includes a printer and a postage meter. The postage meter includes a controller for generating print information having a plurality of print data blocks necessary to print a postal indicia. The printer is located remotely from the postage meter and includes a controller and a printer for printing the postal indicia. The printer controller is in operative communication with the postage meter controller for receiving the plurality of print data blocks. The postage meter controller encrypts the plurality of print data blocks into a plurality of encrypted print data blocks, respectively, using a cypher block chaining encryption algorithm prior to transmitting the plurality of encrypted print data blocks to the printer controller where they are decrypted by the printer controller. Check numbers for each print data block and validation of the check numbers may be employed at the printer controller. Also, the printer controller may compare the validation rates of print data blocks containing significant data and those containing insignificant data for evidence of tampering.
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Applied Cryptography, Author Bruce Schneier.
Davies Brad L.
Moh Sung-won
Scribe Mark A.
Chaclas Angelo N.
Cosimano Edward R.
Dixon Thomas A.
Melton Michael E.
Pitney Bowes Inc.
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