Can cryptography prevent printer-ink piracy?
Jeff.Hodges at KingsMountain.com
Jeff.Hodges at KingsMountain.com
Fri Jul 6 07:20:55 PDT 2007
Can cryptography prevent printer-ink piracy?
http://hardware.slashdot.org/article.pl?sid=07/07/01/0221213&from=rss
Zack Melich writes with news of a new front about to open in the war
printer
manufacturers wage with cartridge counterfeiters, refillers, and
hardware
hackers. A San Francisco company, Cryptography Research Inc., is
designing a
crypto chip to marry cartridges to printers. There's no word so far
that any
printer manufacturer has committed to using it.
Quoting: "The company's chips use cryptography designed to make it
harder for
printers to use off-brand and counterfeit cartridges. CRI plans to
create a
secure chip that will allow only certain ink cartridges to
communicate with
certain printers. CRI also said that the chip will be designed that
so large
portions of it will have no decipherable structure, a feature that would
thwart someone attempting to reverse-engineer the chip by examining
it under a
microscope to determine how it works. 'You can see 95 percent of the
[chip's]
grid and you still don't know how it works,' said Kit Rodgers, CRI's
vice
president of business development. Its chip generates a separate,
random code
for each ink cartridge, thus requiring a would-be hacker to break every
successive cartridge's code to make use of the cartridge."
=JeffH
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