/*
    ANY-LICENSE V1.0
    ----------------

    You can use these files under any license approved by the
    Open Source Initiative, preferrably one of the popular licenses,
    as long as the license you choose is compatible to the
    dependencies of these files.

    See http://www.opensource.org/licenses/ for a list of
    approved licenses.

    Author:   Martin Furter <mf@borg.ch>
    Project:  
    Modified: 2019



*/

using System;
using System.IO;
using System.Security.Cryptography;

public class Md5Sum
{
	[STAThread]
	static public void Main( string[] args )
	{
		foreach( string filename in args )
		{
			md5sum( filename );
		}
	}

	static void md5sum( string filename )
	{
		var file = new FileStream( filename, FileMode.Open, FileAccess.Read );
		var md5 = MD5.Create();
		var cs = new CryptoStream( file, md5, CryptoStreamMode.Read );
		var buffer = new byte[1024*1024];
		while( file.Position < file.Length )
		{
			cs.Read( buffer, 0, buffer.Length );
		}
		string hash = BitConverter.ToString( md5.Hash );
		hash = hash.Replace( "-", "" ).ToLower();
		System.Console.WriteLine( "{0}  {1}", hash, filename );
	}
}