From: Martin Willi <martin@revosec.ch>
Date: Fri, 6 Jul 2012 11:52:57 +0000 (+0200)
Subject: Check rng return value when generating SIM/AKA message IVs
X-Git-Tag: 5.0.1~325
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=6a3e4ed9165364fcae4077a2c2d0fe79de0c3174;p=thirdparty%2Fstrongswan.git

Check rng return value when generating SIM/AKA message IVs
---

diff --git a/src/libsimaka/simaka_message.c b/src/libsimaka/simaka_message.c
index 50bd8b5651..e7f902a63c 100644
--- a/src/libsimaka/simaka_message.c
+++ b/src/libsimaka/simaka_message.c
@@ -771,7 +771,10 @@ METHOD(simaka_message_t, generate, bool,
 		out = chunk_skip(out, 4);
 
 		rng = this->crypto->get_rng(this->crypto);
-		rng->get_bytes(rng, iv.len, out.ptr);
+		if (!rng->get_bytes(rng, iv.len, out.ptr))
+		{
+			return FALSE;
+		}
 
 		iv = chunk_clonea(chunk_create(out.ptr, iv.len));
 		out = chunk_skip(out, iv.len);