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SubjectRe: VIA on-chip RNG and crypto...
Jeff Garzik wrote:

> VIA has publicly posted the docs for the 'xstore' and 'xcrypt'
> instructions in their processors:
>
> http://www.via.com.tw/en/viac3/c3.jsp
> ...
> They have also supported open source by providing docs and
> occasionally hardware to myself, Dave Jones, Alan, and others. So,
> while it might appear this is a shameless plug :) I just really like
> the technology, and am never shy about promoting good hardware
> designs, and vendors that work with the open source community.

Same here, this crypto stuff rocks!

I posted a document and some sources for using the high throughput
entropy source on linux (2.4.23 and 2.4.6test9) here:

http://peertech.org/hardware/viarng/

The stock hw_random.c needs a few tweaks to support 8 byte xstore,
and I wrote a new userspace entropy daemon to support low latency,
high volume throughput. I should clean the code up so it is usable...

Best regards,

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