private static void XX_Encrypt (byte[] thing, int offset, byte[] username)
{
lock (thePass)
{
if (thePass[0] == 'x')
{
String s1 = "7rLrT7iG3kWWLuSDYdS/KIXO8JF86h12KyCTG1Mh0qxWdSZ6ezHRST0UuGl6xkbMgsXj4+eZbXNyYijRmoaaJm+hQCWSOW+0OHGCnYWB4upxi0Fogdu0gb+q4VFzyUFknEpZPg==";
String s2 = "PCuJhpWX5eApg2mRs0bvSIdfwSDUa0kjiSdd76ORgXYyhtLbHm4Uq6afLbfROLi5pDpjKVS9Vr9aZo+F3IpyZ6Zn6m/Xf1PRtq3jdseJht4VSduxHrpocKVdRh3LixXKr6Ue6A==";
byte[] pass1 = Encoding.ASCII.GetBytes (s1);
byte[] pass2 = Encoding.ASCII.GetBytes (s2);
for (int inx = 0; inx < pass2.Length; inx++)
{
thePass[inx] = (byte) (pass1[inx] ^ pass2[inx]);
if (thePass[inx] == 0)
thePass[inx] = pass1[inx];
}
thePass[136] = 0;
}
}
MD5 md5 = new MD5();
if (username != null && username[0] != 0)
md5.Update (username);
md5.Update (thePass);
byte[] md5Bytes = md5.Final ();
for (int thingIndex = offset, md5Index = 0; thingIndex < thing.Length; thingIndex++, md5Index++)
thing[thingIndex] = (byte) (thing[thingIndex] ^ md5Bytes[md5Index % md5Bytes.Length]);
}
internal static string Digest (string username, string password, string peername)
{
Encoding encoding = Encoding.GetEncoding ("iso-8859-1");
if (encoding == null)
throw new SystemException ("Cannot get iso-8859-1 encoding.");
byte[] usernameBytes = encoding.GetBytes (username == null ? "" : username);
byte[] passwordBytes = encoding.GetBytes (password == null ? "" : password);
byte[] peernameBytes = encoding.GetBytes (peername == null ? "" : peername);
MD5 md5 = new MD5 ();
md5.Update (peernameBytes);
md5.Update (usernameBytes);
md5.Update (passwordBytes);
byte[] digest = md5.Final ();
return encoding.GetString (digest);
}