private bool CompareHash(byte[] argument, byte[] etalon)
{
if (HashLength != etalon.Length)
{
throw new ArgumentOutOfRangeException(nameof(etalon));
}
byte[] hash;
using (MD4 md4 = new MD4Managed())
{
hash = md4.ComputeHash(argument);
}
if (HashLength != hash.Length)
{
return(false);
}
for (int pos = 0; pos < HashLength; pos++)
{
if (hash[pos] != etalon[pos])
{
return(false);
}
}
return(true);
}
public static byte[] ComputeHash(byte[] input)
{
MD4Managed managed = new MD4Managed();
managed.Initialize();
return(managed.ComputeHash(input));
}
public static string GetHashString(string s)
{
if (string.IsNullOrEmpty(s))
{
return(null);
}
var baValue = Encoding.GetBytes(s);
var md4 = new MD4Managed();
var baHash = md4.ComputeHash(baValue);
return(BitConverter.ToString(baHash, 0).Replace("-", string.Empty));
}
static byte[] Compute_NTLM_Password(string password)
{
var buffer = new byte [21];
// create NT password
#if MOONLIGHT
MD4Managed md4 = new MD4Managed();
#else
MD4 md4 = MD4.Create();
#endif
byte[] data = ((password == null) ? (new byte [0]) : (Encoding.Unicode.GetBytes(password)));
byte[] hash = md4.ComputeHash(data);
Buffer.BlockCopy(hash, 0, buffer, 0, 16);
// clean up
Array.Clear(data, 0, data.Length);
Array.Clear(hash, 0, hash.Length);
return(buffer);
}
public void Setup()
{
hash = new MD4Managed();
}
