DTLS rehandshake broken

Nikos Mavrogiannopoulos nmav at gnutls.org
Sun Feb 26 12:28:59 CET 2012

On 02/26/2012 12:03 AM, Sean Buckheister wrote:

> Hi,
> DTLS rehandshake does not work in 3.0.13, hasn't in 3.0.12 and 3.0.3,
> and probably in every version between those. Instead of performing
> rehandshake, the system simply locks.
> One possible test, two shells required.
> First shell: gnutls-serv --echo --udp --priority NORMAL:+ANON-ECDH
> Second shell: gnutls-cli --udp --priority NORMAL:+ANON-ECDH --port 5556
> localhost --rehandshake

Hello Sean,
 You are correct. It seems that the retransmission timers were not
deleted on the initiation of a rehandshake causing the re-transmission
of the queued handshake packets. The issue must be now solved in the
repository and I've also added test applications for this use-case.


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