On Mon, 18 Jun 2007, Alexandre Oliva wrote:
On Jun 18, 2007, Anders Larsen <[email protected]> wrote:
On Sat, 16 Jun 2007 22:54:56 -0300, Alexandre Oliva wrote:
I don't know any law that requires tivoization.
Not exactly laws, but pretty close:
Credit-card payment terminals are subject to strict security
certification, where it has to be ensured that
a) the user cannot tinker with the device without rendering it unusable
for its original purpose (electronic payments), and
I think GPLv3 has that covered:
Network access may be denied when the modification itself materially
and adversely affects the operation of the network or violates the
rules and protocols for communication across the network.
I've been sufficiently annoyed by credit card transactions that cannot
be completed for network-down reasons that I believe such devices
depend on network access to perform the original purpose, and even
though IANAL I think that cutting off network access in case the
software no longer complies with the regulations is permitted by the
license.
you misunderstand the reason for these rules.
they want to prevent anyone from modifying the credit card machine to
store copies of all the card info locally. this modification would not
affect what goes over the wire at all. so your exception doesn't apply
b) the manufacturer is able to update the device _in_ _the_ _field_.
If the above is not enough, you could always use ROM. Sure, if you
can replace the ROM, so can the user, and this just goes to show how
short-sighted the alleged prohibitions on user tinkering with the
software are. Sure, it would be more costly, but it's not like the
law (or the agreements in place) *mandate* tivoization.
you don't really answer this issue. since these boxes are required to be
sealed and physically anti-tamper, changing the ROM is not acceptable.
David Lang
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