[PATCH] libosmocore[master]: Extend Kc buffer

Max gerrit-no-reply at lists.osmocom.org
Fri Jan 6 17:21:12 UTC 2017


Review at  https://gerrit.osmocom.org/1538

Extend Kc buffer

Double the Kc buffer to match the requirements of A5/4 and GEA4.

Change-Id: I8d347bbeadc14cbc7306ea6e9b73e4a1c8c8cb21
---
M TODO-RELEASE
M include/osmocom/crypt/auth.h
2 files changed, 2 insertions(+), 1 deletion(-)


  git pull ssh://gerrit.osmocom.org:29418/libosmocore refs/changes/38/1538/1

diff --git a/TODO-RELEASE b/TODO-RELEASE
index fb0bfea..55ee40c 100644
--- a/TODO-RELEASE
+++ b/TODO-RELEASE
@@ -7,3 +7,4 @@
 # If any interfaces have been added since the last public release: c:r:a + 1.
 # If any interfaces have been removed or changed since the last public release: c:r:0.
 #library	what			description / commit summary line
+libosmogsm	osmo_auth_vector	expand kc[] field to accommodate for GEA4 and A5/4 key sizes
diff --git a/include/osmocom/crypt/auth.h b/include/osmocom/crypt/auth.h
index 37b8a8a..4c3bad7 100644
--- a/include/osmocom/crypt/auth.h
+++ b/include/osmocom/crypt/auth.h
@@ -54,7 +54,7 @@
 	uint8_t ik[16];		/*!< integrity key */
 	uint8_t res[16];	/*!< authentication result */
 	uint8_t res_len;	/*!< length (in bytes) of res */
-	uint8_t kc[8];		/*!< Kc for GSM encryption (A5) */
+	uint8_t kc[16];		/*!< Kc for GSM/GPRS encryption (A5 & GEA) */
 	uint8_t sres[4];	/*!< authentication result for GSM */
 	uint32_t auth_types;	/*!< bitmask of OSMO_AUTH_TYPE_* */
 };

-- 
To view, visit https://gerrit.osmocom.org/1538
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Gerrit-MessageType: newchange
Gerrit-Change-Id: I8d347bbeadc14cbc7306ea6e9b73e4a1c8c8cb21
Gerrit-PatchSet: 1
Gerrit-Project: libosmocore
Gerrit-Branch: master
Gerrit-Owner: Max <msuraev at sysmocom.de>


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