[sr #107948] DTLS handshake deadlocks on packet loss

[anonymous]

Follow-up Comment #3, sr #107948 (project gnutls):

That indeed fixes the problem for packets lost in the first flights, but some
parts remain:

* losing the client ChangeCipherSpec will kill the server with unexpected TLS
packet.
* losing any other packet of the final flight will still deadlock the
handshake.

The latter will affect both blocking and nonblocking operation; nonblocking
DTLS will return GNUTLS_E_AGAIN indefinitely. Can you confirm?

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