On Wed, Oct 12, 2016 at 3:57 PM, Eric Rescorla <e...@rtfm.com> wrote:

> The 0-RTT traffic key incorporates the ClientHello.Random which is tied
> into the full handshake.
>

Ok, so for the replayed early data to be accepted, an adversary would also
have to swap out CH.Random and the (Finished) message, which would alter
the server Finished message, resulting in a handshake failure. I think that
resolves my concern. Thanks.

Kyle
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