include: add enum for UTRAN cipher

Change-Id: I4b9baff2c2fbd0e339fc769cc69cce58d3a72cdf
diff --git a/include/osmocom/crypt/utran_cipher.h b/include/osmocom/crypt/utran_cipher.h
new file mode 100644
index 0000000..7dab3bc
--- /dev/null
+++ b/include/osmocom/crypt/utran_cipher.h
@@ -0,0 +1,19 @@
+/*! \file utran_cipher.h */
+
+#pragma once
+
+/* 3GPP TS 25.413 § 9.2.1.11 */
+enum osmo_utran_integrity_algo {
+	OSMO_UTRAN_UIA1 = 0,
+	OSMO_UTRAN_UIA2 = 1,
+	_OSMO_UTRAN_UIA_NUM
+};
+
+/* 3GPP TS 25.413 § 9.2.1.12 */
+enum osmo_utran_encryption_algo {
+	OSMO_UTRAN_UEA0 = 0,
+	OSMO_UTRAN_UEA1 = 1,
+	OSMO_UTRAN_UEA2 = 2,
+	_OSMO_UTRAN_UEA_NUM
+};
+