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I'm really curious what proportion of printers can be decoded with public tools. Are there any stats on which manufacturers codes have been cracked?
by noodlesUK 2y ago
I'm really curious what proportion of printers can be decoded with public tools. Are there any stats on which manufacturers codes have been cracked?
- IvyMike 2y agoThe github references this document: Timo Richter, Stephan Escher, Dagmar Schönfeld, and Thorsten Strufe. 2018. Forensic Analysis and Anonymisation of Printed Documents. In Proceedings of the 6th ACM Workshop on Information Hiding and Multimedia Security (IH&MMSec '18). ACM, New York, NY, USA, 127-138. There is a copy here: https://ericbalawejder.com/assets/hexview/Forensic-Analysis-and-Anonymisation-of-Printed-Documents.pdf https://ericbalawejder.com/assets/hexview/Forensic-Analysis-... Table 1 (manufacturer, #of printers analyzed, dots found): Brother 1 no Canon 10 yes Dell 4 yes Epson 8 somemodels Hewlett-Packard 43 somemodels IBM 1 yes KonicaMinolta 21 somemodels Kyocera 4 yes Lanier 1 yes Lexmark 6 somemodels NRG 1 yes Okidata 9 somemodels Ricoh 6 yes Samsung 5 no Savin 1 yes Tektronix 4 no Unknown 1 yes Xerox 15 somemodels It sounds like they mostly understand the dot patterns wherever they found them, with some caveats that are explained in the paper.