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authorMax <msuraev@sysmocom.de>2016-06-27 16:19:12 +0200
committerHarald Welte <laforge@gnumonks.org>2016-06-29 16:33:57 +0000
commitc57e5daf224476c20d34653fdb11d67ed7da9fed (patch)
treecd740be673f0da4bd378d27a776b5e76807f115e /include/osmocom
parenteb59f241ec571c3bdfcd8b3fa25d8687a1191f39 (diff)
Clarify GPRS ciphering direction
Add spec reference and set explicit values for enum representing direction parameter for GPRS encryption. Change-Id: Iaf1b13da2e889d55cc9dd7516710104dba48c992 Related: OS#1582
Diffstat (limited to 'include/osmocom')
-rw-r--r--include/osmocom/crypt/gprs_cipher.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/include/osmocom/crypt/gprs_cipher.h b/include/osmocom/crypt/gprs_cipher.h
index 9d98f88a..2639293c 100644
--- a/include/osmocom/crypt/gprs_cipher.h
+++ b/include/osmocom/crypt/gprs_cipher.h
@@ -14,9 +14,10 @@ enum gprs_ciph_algo {
_GPRS_ALGO_NUM
};
+/* 3GPP TS 04.64 Table A.1: */
enum gprs_cipher_direction {
- GPRS_CIPH_MS2SGSN,
- GPRS_CIPH_SGSN2MS,
+ GPRS_CIPH_MS2SGSN = 0,
+ GPRS_CIPH_SGSN2MS = 1,
};
extern const struct value_string gprs_cipher_names[];