Introduce aoip_encryption suite
This suite aims testing different authentication and encryption setups.
Change-Id: I5816ecc19a818e5b821fbc6272c9f37f9650ae10
diff --git a/suites/aoip_encryption/register_a5_0_authopt.py b/suites/aoip_encryption/register_a5_0_authopt.py
new file mode 100755
index 0000000..ff93cb8
--- /dev/null
+++ b/suites/aoip_encryption/register_a5_0_authopt.py
@@ -0,0 +1,34 @@
+#!/usr/bin/env python3
+from osmo_gsm_tester.test import *
+
+hlr = suite.hlr()
+bts = suite.bts()
+mgcpgw = suite.mgcpgw(bts_ip=bts.remote_addr())
+msc = suite.msc(hlr, mgcpgw)
+bsc = suite.bsc(msc)
+stp = suite.stp()
+ms = suite.modem()
+
+print('start network...')
+msc.set_authentication(False)
+msc.set_encryption('a5 0')
+bsc.set_encryption('a5 0')
+hlr.start()
+stp.start()
+msc.start()
+mgcpgw.start()
+bsc.bts_add(bts)
+bsc.start()
+bts.start()
+
+ms.log_info()
+good_ki = ms.ki()
+bad_ki = ("%1X" % (int(good_ki[0], 16) ^ 0x01)) + good_ki[1:]
+
+print('KI changed: ' + good_ki + " => " + bad_ki)
+ms.set_ki(bad_ki)
+hlr.subscriber_add(ms)
+print('Attempt connection with wrong KI, should work as it is not used...')
+ms.connect(msc.mcc_mnc())
+wait(ms.is_connected, msc.mcc_mnc())
+wait(msc.subscriber_attached, ms)