From e5b9f5132a9010a36db81788e10bb1be07ccf410 Mon Sep 17 00:00:00 2001
From: Ladislav Zezula <ladislav.zezula@avg.com>
Date: Tue, 17 Mar 2015 07:49:42 +0100
Subject: + SFileVerify: Added check whether the weak signature is not zeroed
 out. + Typos

---
 src/SBaseCommon.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'src/SBaseCommon.cpp')

diff --git a/src/SBaseCommon.cpp b/src/SBaseCommon.cpp
index ed31a61..23c9833 100644
--- a/src/SBaseCommon.cpp
+++ b/src/SBaseCommon.cpp
@@ -1509,6 +1509,18 @@ bool IsValidMD5(LPBYTE pbMd5)
     return (Md5[0] | Md5[1] | Md5[2] | Md5[3]) ? true : false;
 }
 
+bool IsValidSignature(LPBYTE pbSignature)
+{
+    LPDWORD Signature = (LPDWORD)pbSignature;
+    DWORD SigValid = 0;
+
+    for(int i = 0; i < MPQ_WEAK_SIGNATURE_SIZE / sizeof(DWORD); i++)
+        SigValid |= Signature[i];
+
+    return (SigValid != 0) ? true : false;
+}
+
+
 bool VerifyDataBlockHash(void * pvDataBlock, DWORD cbDataBlock, LPBYTE expected_md5)
 {
     hash_state md5_state;
-- 
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