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Date:      Sun, 02 May 1999 18:27:29 +0200
From:      Mark Murray <mark@grondar.za>
To:        Eivind Eklund <eivind@FreeBSD.ORG>
Cc:        freebsd-security@FreeBSD.ORG
Subject:   Re: Blowfish/Twofish 
Message-ID:  <199905021627.SAA03150@greenpeace.grondar.za>
In-Reply-To: Your message of " Sun, 02 May 1999 18:16:47 %2B0200." <19990502181647.C32819@bitbox.follo.net> 
References:  <21634.925539195@critter.freebsd.dk> <Pine.BSF.3.96.990501150648.2670B-100000@fledge.watson.org> <19990502144906.E23950@bitbox.follo.net> <199905021458.QAA02696@greenpeace.grondar.za> <19990502170929.B32819@bitbox.follo.net> <199905021541.RAA02885@greenpeace.grondar.za>   <19990502181647.C32819@bitbox.follo.net> 

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Eivind Eklund wrote:
> > Yes. libcrypto from OpenSSL is huge, and is hefty overkill for a
> > password hashing system. Apart from that, it has a name conflict
> > with kerberos (which also has a libcrypto).
> > 
> > A password hashing system just needs a couple (few?) good hashes;
> > nothing else.
> 
> The point of this exercise would (IMO, at least) only be OpenBSD
> compatibility, where OpenBSD for marketeering reasons has decided to
> use Blowfish as part of their hash algorithm.  If people can't migrate
> their password files, they are much less likely to migrate to FreeBSD,
> which means we should support their password formats if feasible.

No problem. It can be added as a one-file addition to the current system.

> As for the libcrypto naming conflict - is the Kerberos libcrypto used
> by things outside Kerberos, or is it feasible to rename it?  When I
> get around to integrating the signature support into pkg_* (I have
> code that work in a test environment, but haven't had time to
> integrate it), we'll need libcrypto from OpenSSL in order to support
> signatures - and renaming it in the port would IMO be fairly evil.

Ditto for Kerberos, and Kerberos got there first :-)

How do your signatures work? Can you not just use the MD? and SHA
algorithms out of libmd? If not, can we not extend libmd?

M
--
Mark Murray
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