Radiator's Radius::UtilXS package contains functionality that is not readily available as pre-built modules. This includes an alternative for Digest::MD4 for MSCHAP based authentication methods and SCTP extended API support. Radiator SIM Pack requires special SHA transformation and IMSI decryption support, which are also available in Radius::UtilXS.

Radiator's Radius::UtilXS package is available from the same location where you can download Radiator from. This package is supported directly by Radiator Software. Availability of Radius::UtilXS is logged during radiusd startup when logging level is set to info (Trace 3 or higher number).