Cryptography – Cryptanalysis
Patent
1983-07-18
1987-02-03
Boudreau, Leo H.
Cryptography
Cryptanalysis
101 71, 235101, 235432, 382 57, 400104, 283 73, 380 23, 380 51, G06K 900, H04L 900
Patent
active
046413472
ABSTRACT:
A system for the metering of encrypted postage and similar indicia includes a device for printing such indicia and a device for reading such indicia. The printing is accomplished with a dot matrix printer and a bar-code printer driven by signals obtained by a character generator and an encryption circuit. The reading is accomplished by a bar-code reader and a dot matrix reader. Intelligence is obtained by correlating received characters against a stored array of symbols to determine the presence of a symbol, and the comparison of the separated coded data with a reference code to determine the accuracy of the printed material. Thereby, forgery and alteration is inhibited. The data and the encrypted material are imprinted by indicia utilizing both the formats of alphanumeric characters and the formats of a bar code. In both cases, a portion of a group of characters and a portion of a bar code are set aside for communicating the message while the remaining portions are utilized for encrypted material for verification of the message.
REFERENCES:
patent: 3933094 (1976-01-01), Murphy et al.
patent: 3990558 (1976-11-01), Ehrat
patent: 4024380 (1977-05-01), Gunn
patent: 4105997 (1978-08-01), McGinn
patent: 4253158 (1981-02-01), McFiggans
patent: 4264396 (1981-04-01), Stewart
patent: 4376299 (1983-03-01), Rivest
patent: 4422376 (1983-12-01), Teraoka
patent: 4440248 (1984-04-01), Teraoka
patent: 4447890 (1984-05-01), Duwel et al.
patent: 4468141 (1984-08-01), Rosza
Garriss, "Bar-Coded Delimiters for OCR-Coded Information", IBM Tech. Disc. Bulletin, vol. 20, No. 11B, Apr. 1978, p. 4891.
Clark John I.
Dlugos Daniel F.
Boudreau Leo H.
Mancuso Joseph
Pitchenik David E.
Pitney Bowes Inc.
Scribner Albert W.
LandOfFree
System for printing encrypted messages with a character generato does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with System for printing encrypted messages with a character generato, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and System for printing encrypted messages with a character generato will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1095645