Hello,
I am currently having some trouble with the documentation of
gnutls_heartbeat_ping.
It is said that : size_t data_size
is the length of the ping payload.
I thought it meant the effective size of the Heartbeat packet generated,
but my numbers are off. a little example:
- I specify a data_size of 444 bytes,
- I end up with an encrypted message of 471 bytes and a TLS packet of 489
bytes.
which after analysis ought to be the TLS header size and the MAC + padding in
the
encryption algorithm used.
I don't understand where is my error, as i thought that the tls header size
was covered by DEFAULT_PAYLOAD_SIZE in heartbeat_send_data. I think this is a
mixed signal between
the documentation and implementation.
If these numbers are to be taken into account, I think that the documentation
should states so.
If anybody has piece of advice on the subject, I would be more than content to
hear it!
Olivier Soldano
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