some components accept a "component.load" option with a space separated list of plugins to load
libcharon- plugins are now handled the same way as libstrongswan- plugins
as it requires to XOR the key into the hashers state.
A new SHA1 based keyed hash function, implemented as PRF, enables EAP-AKA
and the FIPS-PRF function to properly use the existing SHA1 implementation.