linux-kernel - Re: [RFC PATCH 4/4] X.509: Handle midnight alternative notation in GeneralizedTime

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Message-ID: <20497.1453303200@warthog.procyon.org.uk>
Date:	Wed, 20 Jan 2016 15:20:00 +0000
From:	David Howells <dhowells@...hat.com>
To:	Rudolf Polzer <rpolzer@...gle.com>
Cc:	dhowells@...hat.com, keyrings@...r.kernel.org,
	David Woodhouse <David.Woodhouse@...el.com>,
	Arnd Bergmann <arnd@...db.de>, linux-kernel@...r.kernel.org,
	linux-security-module@...r.kernel.org,
	John Stultz <john.stultz@...aro.org>
Subject: Re: [RFC PATCH 4/4] X.509: Handle midnight alternative notation in GeneralizedTime

Rudolf Polzer <rpolzer@...gle.com> wrote:

> As for 24:xx:yy times - I'm split about this. This code doesn't
> require a bijective decoding anyway (and if it did, 24:00:00 and
> 00:00:00 mapping to the same time64_t would be problem enough) so this
> is sure safe. On the other hand, a cert with a 24:xx:yy time that's
> not 24:00:00 probably should be regarded as invalid and not trusted
> for that reason alone.

Feel free to argue that one with Linus:-/

David