Andreas Steffen 4d83c5b4a6 Fix of the mutual TNC measurement use case
If the IKEv2 initiator acting as a TNC server receives invalid TNC measurements
from the IKEv2 responder acting as a TNC clienti, the exchange of PB-TNC batches
is continued until the IKEv2 responder acting as a TNC server has also finished
its TNC measurements.

In the past if these measurements in the other direction were correct
the IKEv2 responder acting as EAP server declared the IKEv2 EAP authentication
successful and the IPsec connection was established even though the TNC
measurement verification on the EAP peer side failed.

The fix adds an "allow" group membership on each endpoint if the corresponding
TNC measurements of the peer are successful. By requiring a "allow" group
membership in the IKEv2 connection definition the IPsec connection succeeds
only if the TNC measurements on both sides are valid.
2016-02-16 18:00:27 +01:00

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The hosts <b>moon</b> and <b>sun</b> do mutual TNC measurements over IKEv2-EAP
using the PA-TNC, PB-TNC and PT-EAP protocols. The IKEv2 EAP-TTLS authentication
is based on X.509 certificates. The TNC measurements of both <b>moon</b> and
<b>sun</b> are successful and the IPsec connection gets established.