How to debug a TLSv1.3 protocol problem?

Matt Caswell matt at
Wed May 20 20:49:51 UTC 2020

On 20/05/2020 21:46, Viktor Dukhovni wrote:
> Glad to hear that at least handshakes are less prone to unexpected
> issues of that sort.  I'd be interested to hear your thoughts (perhaps a
> separate thread) on what to do about SSL_read() and SSL_write().

Perhaps open a github issue for this?

> In the mean-time, if Clauss is trying to complete a handshake, rather
> than move data, his issue is then likely something different?

Correct - the error stack should be being cleared in this case, so the
problem is unlikely to be related to stale errors.


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