Re: [TLS] Data volume limits

Watson Ladd <watsonbladd@gmail.com> Tue, 15 December 2015 21:17 UTC

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Date: Tue, 15 Dec 2015 16:17:34 -0500
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From: Watson Ladd <watsonbladd@gmail.com>
To: Eric Rescorla <ekr@rtfm.com>
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Subject: Re: [TLS] Data volume limits
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I don't think that's what I intended: I think the limit should be
ciphersuite specific. Unfortunately that requires more work.

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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