Is the DES algorythm PD?

[John F Haugh II]

In article <9012262049.AA28348 at iecc.cambridge.ma.us> johnl at iecc.cambridge.ma.us (John R. Levine) writes:
>In article <1990Dec27.004813.25021 at news.cs.indiana.edu> you write:
>>If the DES enryption algorythm is PD, please send me a copy

...

>I'm not aware of any on-line version of DES.  It'd be a pain to type in, as it
>contains lots of subscripts, tables of numbers, and line drawings.  Perhaps
>some generous soul can come up with a pic+troff or postscript version.

Someone in Australia posted a version of DES to the net some time back.
There was also a version from Phil Karn (KA9Q fame).  Unfortunately I
don't think anyone in the US can safely post that code because of
export restrictions (which so far as I know still apply to library
routines which aren't strictly for user authentication purposes ...)
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