C#

stephen.darling wrote:

As long as I can generate a string of digits that are fixed in length, and different everytime I generate a new serial number, then this method would be fine.

stephen.darling wrote:

What type of string would this be.

private void button1_Click(object sender, EventArgs e)
    {
    string s = "Anything you like!\n" +
               "0123456789ABCDEF" +
               GetHDDSerialNumber("C");
    string MD5 = GetMD5(s);
    Console.WriteLine(MD5);
    if (CheckMD5(s, MD5))
        {
        Console.WriteLine("Hash matches: ok");
        }
    else
        {
        Console.WriteLine("Hash failed to match: WTF!");
        }
    string sFail = s + ".";
    string MD2Fail = GetMD5(sFail);
    Console.WriteLine(MD2Fail);
    if (CheckMD5(sFail, MD5))
        {
        Console.WriteLine("Hash matched: WTF!");
        }
    else
        {
        Console.WriteLine("Hash failed to match: ok");
        }
    }
private static string GetMD5(string input)
    {
    MD5CryptoServiceProvider MD5Builder = new MD5CryptoServiceProvider();
    byte[] bytes = System.Text.Encoding.UTF8.GetBytes(input);
    bytes = MD5Builder.ComputeHash(bytes);
    System.Text.StringBuilder sb = new System.Text.StringBuilder(bytes.Length * 2);
    foreach (byte b in bytes)
        {
        sb.Append(b.ToString("X2"));
        }
    return sb.ToString();
    }
private static bool CheckMD5(string input, string MD5)
    {
    return GetMD5(input) == MD5;
    }
private static string GetHDDSerialNumber(string drive)
    {
    ManagementObject disk = new ManagementObject("win32_logicaldisk.deviceid=\"" + drive + ":\"");
    disk.Get();
    return disk["VolumeSerialNumber"].ToString();
    }

using System.Security.Cryptography;<br />

DC7A30D78A5D410E5619E60F5514F85C
Hash matches: ok
D0E113EB00B3ECDCEA6CA7AC39D68440
Hash failed to match: ok

OriginalGriff wrote:

Who have you annoyed

Mycroft Holmes wrote:

I realise english is unlikely to be the OPs first language but that is bloody difficult to read.

Richard MacCutchan wrote:

That's no reason to down vote them

aeman wrote:

window like my document on btn clk in c# but i dont klnw how to close this window.

Process []pArry = Process.GetProcesses();

foreach(Process p in pArry)
{
    string s = p.ProcessName;
    s = s.ToLower();
    if (s.CompareTo("winword") ==0)
    {
       p.Kill();
    }
}