[gnutls-devel] GnuTLS | Session resumption randomly fails (#706)

Development of GNU's TLS library gnutls-devel at lists.gnutls.org
Sat Feb 23 20:54:23 CET 2019

Seeing it closely, you are right; the "Resume Handshake was completed" does not imply that the resumption occurred. That's only the ```*** This is a resumed session``` message. The reason is that we have a waiting of 50ms in `gnutls_session_get_data2` under TLS1.3 if the session tickets have not been received. That seems to be insufficient for real-world applications. A solution could be to increase the delay to 100ms or to some value calculated by the handshake roundtrips.

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