Int. Sys V crypt() algorithm

[Ed Gould]

In article <2284 at sun.uucp> guy at sun.uucp (Guy Harris) writes:
>> > AT&T produced a new encrypt() algorithm for their "international version"
>> > of System V which provides encryption only.  Does anyone know what
>> > algorithm is used in this new scheme, in comparison to the almost-but-not-
>> > quite DES algorithm used in earlier versions of UNIX?
>> > 
>> > Is the new algorithm still based on DES?
>
>I believe it's still DES based but has been "crippled" so that the Russkies
>can't get a hold of DES technology :-(.

Close, but not quite.  There is an export restriction on programs
that can *decrypt* DES, but not on those that can *encrypt*.  Removing
setkey() is sufficient to meet the export requirements.

-- 
Ed Gould		    mt Xinu, 2910 Seventh St., Berkeley, CA  94710  USA
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