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Re: It jerked and it berked but the thing really worked!


From: Florian Weimer <fw () deneb enyo de>
Date: Wed, 25 Feb 2009 21:54:05 +0100

* Halvar Flake:

Also, hash functions are very much tailored to the CPUs they run on
(hence the proliferation of add/xor/rol constructs in the SHA-3
contest) -- building a hash function optimized for the JVM would
probably use different building blocks.

The fact that C hasn't got a rotate-left operator did not deter the
submitters from using it. 8-)

Things that are difficult to do efficiently on the JVM, like unsigned
32 x 32 -> 64 multiplication, are not very interesting for
general-purpose implementations, either.  I'm not sure if hashing for
the JVM would look *that* much different.
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