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historical archive of an early approach towards a stand-alone AUthentication Center. Use osmo-hlr instead.
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osmo-auc - Core of an GSM/UMTS authentication Centre (AUC)

This program provides the core capability of an AUC, i.e. the
on-demand generation of authentication triplets / quintuples for
specific subscribers.

The approach taken here is very simple
* use autentication routines of libosmocore/libosmogsm
* load all subscriber key data into RAM
* don't implement TCAP/MAP as external protocol
* provide a simple API for generating triplets/quintuples for given IMSI

The idea is to grow this step by step into a more complete implementation:

* add more storage backends than the CSV example, e.g. for various SQL
* add code to actually write back the most recent subscriber SQN in case of UMTS
* turn it into a multi-threaded implementation to scale on SMP
* interface with Osmcoom SCCP/TCAP/MAP stack in Erlang