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Date: Mon, 13 Apr 2015 08:43:06 -0700 From: Jim Manico <jim@...ico.net> To: discussions@...sword-hashing.net Subject: Re: [PHC] winner selection Why only have one winner? Why not choose several winners with various trade-offs based on need? Aloha, Jim Manico On 4/13/15 8:35 AM, Gregory Maxwell wrote: > On Mon, Apr 13, 2015 at 3:11 PM, Solar Designer <solar@...nwall.com> wrote: >> Makwa - likely select as a winner, but may need more pairs of eyes >> first, who would confirm they have actually reviewed Makwa. I think >> Steve did? Anyone else? I didn't review it, and I think we have panel >> members who are more qualified to review it. Makwa is a likely winner >> because it provides a unique feature with specific use cases for it, >> it looks good at first glance (but indeed that's not a proper review), >> and it comes from a particularly careful submitter. > Malkwa is near to my heart-- having a class of approach that I'm fond > of, but I think it would only be selected as a winner because it is > the only function of its type in the contest. > > If I'd offered a Malkwa competitor it would have had information > theoretic security for delegation (in exchange for making some > tricks/performance worse). I suspect in the Bitcoin space we may > someday deploy something like Malkwa for some applications (in > particular; access keys for hardware wallets that don't have enough > computational power to perform meaningful hardening on their own), but > we'd only prefer it over more ordinary hardening functions if it > bought us information theoretic security, which allow worryfree > delegation of computation to completely untrusted parties.
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