Merging //UE4/Dev-Main to Dev-Editor (//UE4/Dev-Editor)

#rb none

[CL 5110714 by Chris Gagnon in Dev-Editor branch]

Engine/Source/Programs/DotNETCommon/DotNETUtilities/ArrayUtils.cs

@@ -0,0 +1,37 @@
+// Copyright 1998-2019 Epic Games, Inc. All Rights Reserved.
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Tools.DotNETCommon
+{
+	static class ArrayUtils
+	{
+		/// <summary>
+		/// Compares two byte arrays for equality
+		/// </summary>
+		/// <param name="A">The first byte array</param>
+		/// <param name="B">The second byte array</param>
+		/// <returns>True if the two arrays are equal, false otherwise</returns>
+		public static bool ByteArraysEqual(byte[] A, byte[] B)
+		{
+			if(A.Length != B.Length)
+			{
+				return false;
+			}
+
+			for(int Idx = 0; Idx < A.Length; Idx++)
+			{
+				if(A[Idx] != B[Idx])
+				{
+					return false;
+				}
+			}
+
+			return true;
+		}
+	}
+}