[jchrisa]

If you can do this for kicks, imagine what you can do with a budget.

[NamTaf]

It's basically what the NSA's ANT catalogue had in their COTTONMOUTH devices, among others [1]

[1]: https://en.wikipedia.org/wiki/NSA_ANT_catalog

[nyolfen]

http://www.nsaplayset.org/turnipschool