From 925416dc104905df8a62dd91bb0e2f8c1862811f Mon Sep 17 00:00:00 2001
From: Geert de Graaf <geert@degra.af>
Date: Fri, 13 Jan 2017 14:12:12 +0100
Subject: [PATCH] Fixed crash on missing input

---
 RC4 File decrypt/Program.cs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/RC4 File decrypt/Program.cs b/RC4 File decrypt/Program.cs
index 895658d..e0ac399 100644
--- a/RC4 File decrypt/Program.cs	
+++ b/RC4 File decrypt/Program.cs	
@@ -14,6 +14,11 @@ class Program
     {
         static void Main(string[] args)
         {
+            if(args.Length != 3)
+            {
+                Console.WriteLine("Not all arguments are met use: key file-in file-out");
+                Environment.Exit(0);
+            }
 
             // To decrypt some files in RC4