On Mon, Jun 11, 2018 at 12:29:42PM -0700, Jonathan Nieder wrote: > My understanding of the discussion so far: > > Keccak team encourages us[1] to consider a variant like K12 instead of > SHA3. > > AGL explains[2] that the algorithms considered all seem like > reasonable choices and we should decide using factors like > implementation ease and performance. > > If we choose a Keccak-based function, AGL also[3] encourages using a > variant like K12 instead of SHA3. > > Dscho strongly prefers[4] SHA-256, because of > - wide implementation availability, including in future hardware > - has been widely analyzed > - is fast > > Yves Orton and Linus Torvalds prefer[5] SHA3 over SHA2 because of how > it is constructed.
I know this discussion has sort of petered out, but I'd like to see if we can revive it. I'm writing index v3 and having a decision would help me write tests for it. To summarize the discussion that's been had in addition to the above, Ævar has also stated a preference for SHA-256 and I would prefer BLAKE2b over SHA-256 over SHA3-256, although any of them would be fine. Are there other contributors who have a strong opinion? Are there things I can do to help us coalesce around an option? -- brian m. carlson: Houston, Texas, US OpenPGP: https://keybase.io/bk2204
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