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From: gwyn@brl-tgr.ARPA (Doug Gwyn )
Newsgroups: net.crypt,net.unix-wizards
Subject: Re: Unix encryption methods
Message-ID: <6648@brl-tgr.ARPA>
Date: Tue, 18-Dec-84 17:28:47 EST
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Posted: Tue Dec 18 17:28:47 1984
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Xref: watmath net.crypt:257 net.unix-wizards:11115

> Can anyone out there tell me how passwords are encoded on Unix?

All versions of UNIX from 7th Edition on encrypt the passwords
with a C library routine described in CRYPT(3C).  See the manual
for details; basically the NBS DES is used, with variations.