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Re: [saag] Roughtime (Was: software update for teeny-weeny devices)

Ben Laurie <ben@links.org> Tue, 18 October 2016 10:00 UTC

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From: Ben Laurie <ben@links.org>
Date: Tue, 18 Oct 2016 11:00:38 +0100
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To: Jeffrey Walton <noloader@gmail.com>
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Subject: Re: [saag] Roughtime (Was: software update for teeny-weeny devices)
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On 18 October 2016 at 01:48, Jeffrey Walton <noloader@gmail.com> wrote:

> >> Our story for
> >> providing time securely to these device isn't that great either since
> >> NTP again assumes that you have been configured with the correct time.
> >
> > How so?
> >
> > BTW, are you aware of roughtime? https://roughtime.
> googlesource.com/roughtime
>
> I'm not sure this is entirely correct: "There are essentially only two
> ways to achieve this [accurate or fresh time]: nonces or synchronised
> clocks.".
>

"this" is actually "ensure that information is 'fresh' in secure
protocols", not accurate time.

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