gsm: Add Kasumi cipher implementation

Submitted-by: Max <max.suraev@fairwaves.co>
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
diff --git a/tests/kasumi/kasumi_test.ok b/tests/kasumi/kasumi_test.ok
new file mode 100644
index 0000000..2c2af4c
--- /dev/null
+++ b/tests/kasumi/kasumi_test.ok
@@ -0,0 +1,10 @@
+testing KASUMI key expansion and encryption (ETSI TS 135 203):
+KASUMI Test Set 1... OK. OK.
+KASUMI Test Set 2... OK. OK.
+KASUMI Test Set 3... OK. OK.
+KASUMI Test Set 4... OK.
+KGCORE Test Set 1: 1
+KGCORE Test Set 2: 1
+KGCORE Test Set 3: 1
+KGCORE Test Set 4: 1
+KGCORE Test Set 5: 1