[PATCH] libosmocore[master]: Add define for supported a5 key length limit

[Max]

Review at  https://gerrit.osmocom.org/3706

Add define for supported a5 key length limit

Change-Id: I8ed0f1dbc31aaff22a685ceb3bd2f8db4d2f34fd
---
M include/osmocom/crypt/auth.h
1 file changed, 3 insertions(+), 1 deletion(-)


  git pull ssh://gerrit.osmocom.org:29418/libosmocore refs/changes/06/3706/1

diff --git a/include/osmocom/crypt/auth.h b/include/osmocom/crypt/auth.h
index 2f88a3a..3555ee8 100644
--- a/include/osmocom/crypt/auth.h
+++ b/include/osmocom/crypt/auth.h
@@ -8,6 +8,8 @@
 
 #include <osmocom/core/linuxlist.h>
 
+#define OSMO_A5_MAX_KEY_LEN_BYTES (128/8)
+
 /*! Authentication Type (GSM/UMTS) */
 enum osmo_sub_auth_type {
 	OSMO_AUTH_TYPE_NONE	= 0x00,
@@ -41,7 +43,7 @@
 			unsigned int ind; /*!< SQN slot, i.e. (SEQ << ind_bitlen) + ind */
 		} umts;
 		struct {
-			uint8_t ki[16];	/*!< secret key */
+			uint8_t ki[OSMO_A5_MAX_KEY_LEN_BYTES];	/*!< secret key */
 		} gsm;
 	} u;
 };

-- 
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Gerrit-MessageType: newchange
Gerrit-Change-Id: I8ed0f1dbc31aaff22a685ceb3bd2f8db4d2f34fd
Gerrit-PatchSet: 1
Gerrit-Project: libosmocore
Gerrit-Branch: master
Gerrit-Owner: Max <msuraev at sysmocom.de>