phc-discussions - Re: [PHC] The EARWORM password hash

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Date: Tue, 13 Aug 2013 01:32:51 +0000
From: Peter Gutmann <pgut001@...auckland.ac.nz>
To: "discussions@...sword-hashing.net" <discussions@...sword-hashing.net>
Subject: Re: [PHC] The EARWORM password hash

Tony Arcieri <bascule@...il.com> writes:

>ARMv8 added AES instructions:
>
>http://www.arm.com/files/downloads/ARMv8_Architecture.pdf

How realistic is this in terms of real-world use though?  ARM announce all
sorts of cool things as tech previews that then take years to appear in real-
world products (the "No Product announcement from ARM for ARMv8-A at this
time" in the presentation is pretty telling).  And I don't mean "we ship
silicon in Q4, 2014", but is it present in phones right now?  Also, are the
instructions user-accessible?  Another annoying thing about ARM SoC's is that
a lot of the capabilities, e.g. hardware RNGs, are only accessible from kernel
mode or, more generally, not from standard user mode.

Peter.