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Message-ID: <CAAS2fgSpsEMjjo2igo1Qc8zFyT-Ap0Q3u26MSkSOOAv5LRuDkg@mail.gmail.com> Date: Fri, 3 Apr 2015 09:31:13 +0000 From: Gregory Maxwell <gmaxwell@...il.com> To: discussions@...sword-hashing.net Subject: Re: [PHC] OMG we have benchmarks On Fri, Apr 3, 2015 at 9:20 AM, Peter Gutmann <pgut001@...auckland.ac.nz> wrote: > SHA-glue-factory-candidate: The 224-bit one has the useful property that you can fit two of its untruncated outputs into the input of a single invocation of the hash. This is a 2x speedup for a straight forward hashtree that uses SHA-224 vs SHA-256 in the most simple and direct way. The side reduced versions have the useful property of just having a different initialization and then you truncate the output, so all the code can be shared. So the the differences amount to 32bit vs 64bit and some constants.
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