refactor: added additional hash check on ingestion

gaseous-tools/Common.cs

@@ -1,4 +1,6 @@
 using System;
+using System.Security.Cryptography;
+
 namespace gaseous_tools
 {
 	public class Common
@@ -19,6 +21,43 @@ namespace gaseous_tools
 				return ObjectToCheck;
 			}
 		}
+
+		public class hashObject
+		{
+			public hashObject(string FileName)
+			{
+                var xmlStream = File.OpenRead(FileName);
+
+                var md5 = MD5.Create();
+                byte[] md5HashByte = md5.ComputeHash(xmlStream);
+                string md5Hash = BitConverter.ToString(md5HashByte).Replace("-", "").ToLowerInvariant();
+				_md5hash = md5hash;
+
+                var sha1 = SHA1.Create();
+                byte[] sha1HashByte = sha1.ComputeHash(xmlStream);
+                string sha1Hash = BitConverter.ToString(sha1HashByte).Replace("-", "").ToLowerInvariant();
+				_sha1hash = sha1hash;
+            }
+
+			string _md5hash = "";
+			string _sha1hash = "";
+
+			public string md5hash
+			{
+				get
+				{
+					return _md5hash;
+				}
+			}
+
+			public string sha1hash
+			{
+				get
+				{
+					return _sha1hash;
+				}
+			}
+		}
 	}
 }