Re: [DRAFT] resolving DFSG violations
On Mon, Oct 27, 2008 at 10:10:19AM +0000, Neil Williams wrote:
> On Mon, 2008-10-27 at 18:31 +1100, Ben Finney wrote:
> > Because that's how the hardware works. If you are making a widget and
> > you need a fpga or hybrid chip of any sort, then you generate a binary
> > blob using the chip manufacturers tools.
> Are these "chip manufacturer tools" physical tools/machines or software
> programs? (i.e. something I need to pick up in my hands or something I
> need to execute?) Is there any way that someone else can use the same or
> similar tools to modify the blob (even if it is only useful to do so on
> a different board / with a different chipset)?
Ish. Someone else should be able to use the same tools (barring
development environment issues) but modern FPGAs provide encryption
mechanisms which mean that only someone posessing a security key blown
into the hardware during the manufacturing process can generate an image
that will be accepted.
"You grabbed my hand and we fell into it, like a daydream - or a fever."