how to send arbitrary data in supplemental data message
carolin.latze at unifr.ch
Mon May 31 17:15:12 CEST 2010
On 05/30/2010 01:05 PM, Nikos Mavrogiannopoulos wrote:
> LATZE Carolin wrote:
>> Hi everybody,
>> I ran again into problems with the supplemental data messages. I tried to copy a certificate into the buffer of type gnutls_buffer and do not manage to send all 1314 bytes of the certificate. Instead it sends only 41 bytes. I tried it with another certificate which resulted in 65 bytes sent. This is pretty strange. I expected the buffer to stop at a \0 character in the signature, but that does not seem to be the case since strlen of the original data results in the correct length of 1314. Any ideas?
>> In order to simplify debugging, I copied my gnutls version including the tls-tpm extension (not finished yet, but does not cause crashes :-)) onto a server:
>> Furthermore, I uploaded my little sample program as well:
>> I would be happy for any hints or ideas since I am clueless at the moment.
> Could you use debugging output with
> gnutls_global_set_log_function (tls_log_func);
> gnutls_global_set_log_level (level);
Oh sorry, I did that already (with level 3), but forgot to add the file.
You find it here:
Thats the output of the client who is supposed to send the supplemental
> Level 2 should be sufficient.
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