From d1afb52fea006771c968c3f27b1598811fdf8824 Mon Sep 17 00:00:00 2001
From: that <github@that.at>
Date: Thu, 23 Feb 2017 23:05:59 +0100
Subject: twrpDigest: don't crash when zip.md5 file is empty

Change-Id: I14145b32c7993bb0cd236b2982ed00bc2c791282
---
 twrpDigest.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/twrpDigest.cpp b/twrpDigest.cpp
index d1217cb6a..a9ba20a38 100644
--- a/twrpDigest.cpp
+++ b/twrpDigest.cpp
@@ -154,7 +154,7 @@ int twrpDigest::verify_md5digest(void) {
 		snprintf(hex, 3, "%02x", md5sum[i]);
 		md5str += hex;
 	}
-	if (tokens.at(0) != md5str)
+	if (tokens.empty() || tokens.at(0) != md5str)
 		return MD5_MATCH_FAIL;
 
 	return MD5_OK;
-- 
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