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Date: Thu, 09 Jan 2014 08:53:26 +0000
From: "Poul-Henning Kamp" <>
To: Bill Cox <>
Subject: Re: [PHC] Lyra, Password Key Derivation Based On The Sponge Construction

In message <>
, Bill Cox writes:

>I think there's a lot of fear about putting forward entries that don't use
>proven cryptographic hashes in the inner loop.  Alexander has proven such a
>system can be pretty fast, but there's 2X-ish or more in speed left on the
>table.  I'd love to see what he an the others would come up with if they
>felt comfortable deviating from known hashes.

I'm very open minded in this respect, but only if the proposed scheme
comes with credible documentation for distribution and entropy-retention. 

Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@...eBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.

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