Re: OT: password encryption (salt theory) - Mailing list pgsql-admin

From Tim Ellis
Subject Re: OT: password encryption (salt theory)
Date
Msg-id 20020822112945.3d37c2ff.Tim.Ellis@gamet.com
Whole thread Raw
In response to Re: OT: password encryption (salt theory)  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-admin
> > Can anyone explain to me why a salt is really a good idea
>
> I believe the original purpose was to make it less obvious whether two
> Unix users had the same password.

Ah, plus, as was also pointed out, the attacker cannot precompute a
dictionary attack -- she must do a dictionary attack PER PASSWORD, not per
password file.

This all makes sense. Conclusion: Salt is good. Random salt is best. Any
salt is better than no salt. Thanks for clarifying it, everyone.

--
Tim Ellis
Senior Database Architect
Gamet, Inc.

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