From fb46c32ecbd4ce2ba14c666267e17384bac7ae64 Mon Sep 17 00:00:00 2001
From: Ron Eldor <ron.eldor@arm.com>
Date: Fri, 16 Dec 2016 16:15:56 +0200
Subject: [PATCH] fix for issue 1118: check if iv is zero in gcm.

1) found by roberto in mbedtls forum
2) if iv_len is zero, return an error
3) add tests for invalid parameters
---
 ChangeLog | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 741d1f4db..4f7a00500 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,10 @@
 mbed TLS ChangeLog (Sorted per branch, date)
 
-= mbed TLS 2.x.x released xxxx-xx-xx
+= mbed TLS x.x.x branch released xxxx-xx-xx
+
+Bugfix
+   * Add a check if iv_len is zero, and return an error if it is zero. reported
+     by roberto. #716
 
 Features
    * Add the functions mbedtls_platform_setup() and mbedtls_platform_teardown()