From c376637e9bf2926cb438ccde30b1697d3450ffb7 Mon Sep 17 00:00:00 2001
From: Ann Priestman <apriestman@basistech.com>
Date: Fri, 8 Dec 2017 13:54:32 -0500
Subject: [PATCH] Don't generate artifacts for empty files

---
 .../autopsy/centralrepository/datamodel/EamArtifactUtil.java  | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Core/src/org/sleuthkit/autopsy/centralrepository/datamodel/EamArtifactUtil.java b/Core/src/org/sleuthkit/autopsy/centralrepository/datamodel/EamArtifactUtil.java
index 60908aea77..171444fa42 100755
--- a/Core/src/org/sleuthkit/autopsy/centralrepository/datamodel/EamArtifactUtil.java
+++ b/Core/src/org/sleuthkit/autopsy/centralrepository/datamodel/EamArtifactUtil.java
@@ -28,6 +28,7 @@ import org.sleuthkit.datamodel.AbstractFile;
 import org.sleuthkit.datamodel.BlackboardArtifact;
 import org.sleuthkit.datamodel.BlackboardAttribute;
 import org.sleuthkit.datamodel.Content;
+import org.sleuthkit.datamodel.HashUtility;
 import org.sleuthkit.datamodel.TskCoreException;
 import org.sleuthkit.datamodel.TskData;
 
@@ -240,8 +241,7 @@ public class EamArtifactUtil {
 
         // We need a hash to make the artifact
         String md5 = af.getMd5Hash();
-        // @@@ Should also check for empty data hash
-        if (md5 == null || md5.isEmpty()) {
+        if (md5 == null || md5.isEmpty() || HashUtility.isNoDataMd5(md5)) {
             return null;
         }