linux-kernel - RE: [PATCH v2 00/11] introduce random32_get_bytes() and random32_get_bytes

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Date:	Tue, 6 Nov 2012 11:18:22 -0000
From:	"David Laight" <David.Laight@...LAB.COM>
To:	<Valdis.Kletnieks@...edu>, "Akinobu Mita" <akinobu.mita@...il.com>
Cc:	<linux-kernel@...r.kernel.org>, <akpm@...ux-foundation.org>,
	"Theodore Ts'o" <tytso@....edu>,
	"Artem Bityutskiy" <dedekind1@...il.com>,
	"Adrian Hunter" <adrian.hunter@...el.com>,
	"David Woodhouse" <dwmw2@...radead.org>,
	<linux-mtd@...ts.infradead.org>,
	"Eilon Greenstein" <eilong@...adcom.com>, <netdev@...r.kernel.org>,
	"Robert Love" <robert.w.love@...el.com>, <devel@...n-fcoe.org>,
	"Michel Lespinasse" <walken@...gle.com>
Subject: RE: [PATCH v2 00/11] introduce random32_get_bytes() and random32_get_bytes_state()

> On Sun, 04 Nov 2012 00:43:31 +0900, Akinobu Mita said:
> > This patchset introduces new functions into random32 library for
> > getting the requested number of pseudo-random bytes.
> >
> > Before introducing these new functions into random32 library,
> > prandom32() and prandom32_seed() with "prandom32" prefix are
> > renamed to random32_state() and srandom32_state() respectively.
> >
> > The purpose of this renaming is to prevent some kernel developers
> > from assuming that prandom32() and random32() might imply that only
> > prandom32() was the one using a pseudo-random number generator by
> > prandom32's "p", and the result may be a very embarassing security
> > exposure.
> 
> Out of curiosity, why the '32'?  I'm just waiting for some kernel developer to
> do something stupid with this on a 64-bit arch because they think it's a 32-bit API. ;)
> 
> Should we bite the bullet and lose the 32, as long as we're churning the code *anyhow*?

Also why remove the 'pseudo' part of the name?
It is an important part of the name.

	David




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