Re: [TLS] Data volume limits

Eric Rescorla <ekr@rtfm.com> Tue, 15 December 2015 21:19 UTC

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From: Eric Rescorla <ekr@rtfm.com>
Date: Tue, 15 Dec 2015 13:18:43 -0800
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To: Watson Ladd <watsonbladd@gmail.com>
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Subject: Re: [TLS] Data volume limits
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On Tue, Dec 15, 2015 at 1:17 PM, Watson Ladd <watsonbladd@gmail.com> wrote:

> I don't think that's what I intended: I think the limit should be
> ciphersuite specific. Unfortunately that requires more work.
>

That makes sense. Do you think you'll be able to provide that in the not
too distant future? I can just leave this on ice till then...

-Ekr


> On Tue, Dec 15, 2015 at 4:15 PM, Eric Rescorla <ekr@rtfm.com> wrote:
> > For context, see:
> > https://github.com/tlswg/tls13-spec/pull/372
> >
> > On Tue, Dec 15, 2015 at 1:14 PM, Eric Rescorla <ekr@rtfm.com> wrote:
> >>
> >> Watson kindly prepared some text that described the limits on what's
> safe
> >> for AES-GCM and restricting all algorithms with TLS 1.3 to that lower
> >> limit (2^{36} bytes), even though ChaCha doesn't have the same
> >> restriction.
> >>
> >> I wanted to get people's opinions on whether that's actually what we
> want
> >> or whether we should (as is my instinct) allow people to use ChaCha
> >> for longer periods.
> >>
> >> -Ekr
> >>
> >
> >
> > _______________________________________________
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> > TLS@ietf.org
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> >
>
>
>
> --
> "Man is born free, but everywhere he is in chains".
> --Rousseau.
>