diff --git a/Hash/App.config b/Hash/App.config
new file mode 100644
index 0000000..bae5d6d
--- /dev/null
+++ b/Hash/App.config
@@ -0,0 +1,6 @@
+
+
+
+
+
+
diff --git a/Hash/Hash.csproj b/Hash/Hash.csproj
new file mode 100644
index 0000000..4d9166a
--- /dev/null
+++ b/Hash/Hash.csproj
@@ -0,0 +1,62 @@
+
+
+
+
+ Debug
+ AnyCPU
+ {A88C4996-406E-4F26-BEE2-1D7ACB2BAB21}
+ Exe
+ Properties
+ Hash
+ Hash
+ v4.6.1
+ 512
+ true
+
+
+
+ AnyCPU
+ true
+ full
+ false
+ bin\Debug\
+ DEBUG;TRACE
+ prompt
+ 4
+
+
+ AnyCPU
+ pdbonly
+ true
+ bin\Release\
+ TRACE
+ prompt
+ 4
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/Hash/Program.cs b/Hash/Program.cs
new file mode 100644
index 0000000..c6b6429
--- /dev/null
+++ b/Hash/Program.cs
@@ -0,0 +1,57 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Security.Cryptography;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace Hash
+{
+ class Program
+ {
+ static void Main(string[] args)
+ {
+ var path = ".";
+ if (args.Length > 0)
+ path = args[0];
+ if (path == ".") path = AppDomain.CurrentDomain.BaseDirectory;
+ ComputeMD5Hash(path);
+ }
+
+ static void ComputeMD5Hash(string path)
+ {
+ string hash = "";
+ var package = Path.Combine(path, "package.tgz");
+ var info = Path.Combine(path, "INFO");
+
+ using (var md5 = MD5.Create())
+ {
+ using (var stream = File.OpenRead(package))
+ {
+ var hashByte = md5.ComputeHash(stream);
+ hash = BitConverter.ToString(hashByte).Replace("-", "").ToLower();
+ }
+ }
+
+ if (File.Exists(info))
+ {
+ var lines = File.ReadAllLines(info);
+ using (StreamWriter outputFile = new StreamWriter(info))
+ {
+ foreach (var line in lines)
+ {
+ var key = line.Substring(0, line.IndexOf('='));
+ var value = line.Substring(line.IndexOf('=') + 1);
+ value = value.Trim(new char[] { '"' });
+
+ if (key != "checksum")
+ outputFile.WriteLine("{0}=\"{1}\"", key, value);
+ }
+ outputFile.WriteLine("checksum=\"{0}\"", hash);
+ }
+ }
+ }
+ }
+}
diff --git a/Hash/Properties/AssemblyInfo.cs b/Hash/Properties/AssemblyInfo.cs
new file mode 100644
index 0000000..a354022
--- /dev/null
+++ b/Hash/Properties/AssemblyInfo.cs
@@ -0,0 +1,36 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("Hash")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("Hash")]
+[assembly: AssemblyCopyright("Copyright © 2021")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible
+// to COM components. If you need to access a type in this assembly from
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("a88c4996-406e-4f26-bee2-1d7acb2bab21")]
+
+// Version information for an assembly consists of the following four values:
+//
+// Major Version
+// Minor Version
+// Build Number
+// Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]