On Fri, 2011-06-24 at 00:16 -0700, Christopher Head wrote:
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>=20
> On Tue, 14 Jun 2011 23:13:09 -0700
> Christopher Head <headch@gmail.com> wrote:
>=20
> > Do any of you know of ICs one can buy to perform cryptographic
> > primitives (block ciphers, hashes, etc.)? I looked around Digikey in
> > the categories that seemed reasonable, but couldn't seem to find any
> > such devices. I know I've heard of one before (even seem its
> > datasheet), but I can't seem to find the part now. =20
>=20
> Thanks for the pointers everyone; it seems you haven't seen the kind of
> thing I was looking for. Someone showed me a chip that would just
> accept data on an input and produce a hash of the data on the output,
> but I can't figure out who showed me the datasheet and I've lost the
> link. I thought someone might be able to point me back at a similar
> device, but it looks like they're rare.

You sure it wasn't just a programmed FPGA/CPLD/PLD? Pretty trivial thing
to do in one, I'd say that (and the fact that there are so many forms of
encryption) is why a standalone chip is so rare.=20

TTYL

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