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));
}