diff --git a/cloudbridge/src/com/cloud/bridge/persist/EntityDao.java b/cloudbridge/src/com/cloud/bridge/persist/EntityDao.java
index 0bab9ea6e86..48751a522de 100644
--- a/cloudbridge/src/com/cloud/bridge/persist/EntityDao.java
+++ b/cloudbridge/src/com/cloud/bridge/persist/EntityDao.java
@@ -24,8 +24,13 @@ import org.hibernate.Session;
 import com.cloud.bridge.util.QueryHelper;
 
 /**
- * @author Kelven Yang
+ * @author Kelven Yang, John Zucker
+ * Provide methods for getting, saving, deleting or updating state per session or, in a given session, returnin a List in
+ * response to queryEntities for a particular instantation of the EntityDao generic class, as defined here.
+ * Any instantation of EntityDao passes in the class for which it is instantiating.  For example a new instance of SBucketDao 
+ * passes in com.cloud.bridge.model.SBucket as its clazz.
  */
+
 public class EntityDao<T> {
 	private Class<?> clazz;
 	
diff --git a/cloudbridge/src/com/cloud/bridge/persist/dao/MultipartLoadDao.java b/cloudbridge/src/com/cloud/bridge/persist/dao/MultipartLoadDao.java
index e0c8a10c650..0be9f87a52f 100644
--- a/cloudbridge/src/com/cloud/bridge/persist/dao/MultipartLoadDao.java
+++ b/cloudbridge/src/com/cloud/bridge/persist/dao/MultipartLoadDao.java
@@ -428,7 +428,7 @@ public class MultipartLoadDao {
 		    	
 		    	parts[i] = new S3MultipartPart();
 		    	parts[i].setPartNumber( rs.getInt( "partNumber" )); 
-		    	parts[i].setEtag( rs.getString( "MD5" ));
+		    	parts[i].setEtag( rs.getString( "MD5" ).toLowerCase());
 		    	parts[i].setLastModified( tod );
 		    	parts[i].setSize( rs.getInt( "StoredSize" ));
 		    	parts[i].setPath( rs.getString( "StoredPath" ));
diff --git a/cloudbridge/src/com/cloud/bridge/service/S3FileSystemBucketAdapter.java b/cloudbridge/src/com/cloud/bridge/service/S3FileSystemBucketAdapter.java
index 04d70e0bb91..7e48de92896 100644
--- a/cloudbridge/src/com/cloud/bridge/service/S3FileSystemBucketAdapter.java
+++ b/cloudbridge/src/com/cloud/bridge/service/S3FileSystemBucketAdapter.java
@@ -38,7 +38,7 @@ import com.cloud.bridge.util.StringHelper;
 import com.cloud.bridge.util.Tuple;
 
 /**
- * @author Kelven Yang
+ * @author Kelven Yang, John Zucker
  */
 public class S3FileSystemBucketAdapter implements S3BucketAdapter {
     protected final static Logger logger = Logger.getLogger(S3FileSystemBucketAdapter.class);
@@ -105,7 +105,7 @@ public class S3FileSystemBucketAdapter implements S3BucketAdapter {
 	        	fos.write(buffer, 0, len);
 	        	md5.update(buffer, 0, len);
 	        }        
-	        return StringHelper.toHexString(md5.digest());
+	        return StringHelper.toHexStringLowerCase(md5.digest());
 	        
 		} 
 		catch(IOException e) {
diff --git a/cloudbridge/src/com/cloud/bridge/util/StringHelper.java b/cloudbridge/src/com/cloud/bridge/util/StringHelper.java
index 9cff1a1fc53..e49f0d25d24 100644
--- a/cloudbridge/src/com/cloud/bridge/util/StringHelper.java
+++ b/cloudbridge/src/com/cloud/bridge/util/StringHelper.java
@@ -19,13 +19,17 @@ import java.io.IOException;
 import java.io.InputStream;
 
 /**
- * @author Kelven
+ * @author Kelven, John Zucker
+ * Provide converters for regexp (case independent tokens)
+ * Also provide upper case (default) or lower case converters for hex
  */
 public class StringHelper {
 	public static final String EMPTY_STRING = "";
 
 	private static final char[] hexChars = { '0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F' }; 
 	
+	private static final char[] hexCharsLowerCase = { '0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F' };
+	
 	public static String toHexString(byte[] b) {
 		StringBuffer sb = new StringBuffer();
 		for (int i = 0; i < b.length; i++) {
@@ -35,6 +39,15 @@ public class StringHelper {
 	    return sb.toString(); 
 	}
 	
+	public static String toHexStringLowerCase(byte[] b) {
+		StringBuffer sb = new StringBuffer();
+		for (int i = 0; i < b.length; i++) {
+			sb.append(hexCharsLowerCase[ (int)(((int)b[i] >> 4) & 0x0f)]);
+			sb.append(hexCharsLowerCase[ (int)(((int)b[i]) & 0x0f)]);
+		}
+	    return sb.toString(); 
+	}
+	
 	public static String substringInBetween(String name, 
 		String prefix, String delimiter) {