SHA-3 released

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Topic: SHA-3 released (Read 1514 times)

jgarzik (OP)

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SHA-3 released

October 02, 2012, 09:11:10 PM

It's Keccak.

See http://www.nist.gov/itl/csd/sha-100212.cfm

Hard fork time, let's switch!

(just kidding)

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theymos

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Re: SHA-3 released

October 02, 2012, 09:29:29 PM

Cool! I'm a little surprised Keccak won. Keccak was my third choice after Skein and BLAKE.

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jgarzik (OP)

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Re: SHA-3 released

October 02, 2012, 09:34:35 PM

I bet on Skein. Oh well, this makes my Linux kernel patch worthless

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runeks

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Re: SHA-3 released

October 02, 2012, 10:17:39 PM

Cool. Although it was made somewhat less exciting for me after reading Schneier saying it isn't really necessary, and that he will continue to recommend SHA512.

Quote from: jgarzik on October 02, 2012, 09:34:35 PM

I bet on Skein. Oh well, this makes my Linux kernel patch worthless

Nice! That looks like hell to debug though!

Come-from-Beyond

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Re: SHA-3 released

October 03, 2012, 05:09:00 PM

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The state can be considered to be a 5×5×w array of bits. Let a[j][k] be bit (i×5 + j)×w + k of the input, using a little-endian convention. All index arithmetic is performed modulo 5 or w.

Looks weird. I used to use numbers like 2, 16, 256, 1024.
5 even not power of 2...

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