[Cryptography] retro crypto
John Ioannidis
jayeye at gmail.com
Sat Jan 11 20:07:14 EST 2020
On Wed, Jan 8, 2020 at 5:00 PM John Denker via cryptography <
cryptography at metzdowd.com> wrote:
...
>
> By EPROM I mean something like a 27c1001:
> https://www.nteinc.com/specs/27C/pdf/nte27c1001.pdf
> It is organized as 128k of 8-bit bytes. You can easily
> program all the bits yourself, so the manufacturer does
> not know. It has 17 bits of address. The cost is a
> few bucks per chip.
>
Oh, John, that's not 70s technology! The densest EPROM available in 1979
was the 2732, and it was NMOS, not CMOS :)
(yes,I checked with my Intel data book :) )
Also: xkcd.com/386
Cheers,
/ji
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