Analysis and Evaluation of the Windows Event Log - Bill Buchanan

C:\Documents and Settings\Barrie\My ...\Projects\Event Viewer\Event Viewer\Form1.cs
Length)));
2
string myString11 = "";
string myString12 = "";
hmacLbl.Text = string1.Substring((string1.IndexOf(myString11) + myString11.
Length), (string1.IndexOf(myString12) - (string1.IndexOf(myString11) + myString11.
Length)));
hmacChecker();
}
catch
{
MessageBox.Show("No Events Available to Display!","Error");
}
}
private void hmacChecker()
{
string string1 = Convert.ToString(lines[arrayItem]);
string myString1 = "";
string myString2 = "";
string chkMessage = string1.Substring(string1.IndexOf(myString1), ((string1.
IndexOf(myString2) + myString2.Length)- string1.IndexOf(myString1)));
msgTxt.Text = chkMessage;
}
System.Text.ASCIIEncoding encoding = new System.Text.ASCIIEncoding();
byte[] keyByte = encoding.GetBytes(hmacTxt.Text);
HMACSHA1 hmac = new HMACSHA1(keyByte);
byte[] messageBytes = encoding.GetBytes(chkMessage);
byte[] hashmessage = hmac.ComputeHash(messageBytes);
hmacCheckLbl.Text = ByteToString(hashmessage);
if (hmacCheckLbl.Text == hmacLbl.Text)
hmacCheckLbl.Text += " : Hmac Passed!";
else
hmacCheckLbl.Text += " : Hmac Failed!";
public static string ByteToString(byte[] buff)
{
string sbinary = "";
for (int i = 0; i < buff.Length; i++)
{
sbinary += buff[i].ToString("X2"); // hex format
}
return (sbinary);
}
private void nextBtn_Click(object sender, EventArgs e)
{
arrayItem++;
if (arrayItem > lines.Count - 1)
arrayItem = 0;
LoadRecord();
}
private void prevBtn_Click(object sender, EventArgs e)
{
arrayItem--;
if (arrayItem < 0)
arrayItem = lines.Count - 1;
LoadRecord();
}
}
}