public KrabouilleStream(Stream inner, KrabouilleMode mode, string password)
{
if (inner == null)
{
throw new ArgumentNullException(nameof(inner));
}
if (String.IsNullOrEmpty(password))
{
throw new ArgumentNullException(nameof(password));
}
if (!inner.CanWrite && mode == KrabouilleMode.Krabouille)
{
throw new ArgumentException("inner must be writable for Krabouille mode.", nameof(inner));
}
if (!inner.CanRead && mode == KrabouilleMode.Unkrabouille)
{
throw new ArgumentException("inner must be readable for Unkrabouille mode.", nameof(inner));
}
if (_mode == KrabouilleMode.Krabouille)
{
_workingBuffer = new byte[256];
_seed = Environment.TickCount * inner.GetHashCode();
}
_secretKey = Encoding.UTF8.GetBytes(password);
_inner = inner;
_mode = mode;
}
public KrabouilleStream(Stream innerStream, string passPhrase, KrabouilleMode mode)
{
_inner = innerStream;
using (var d = new System.Security.Cryptography.Rfc2898DeriveBytes(passPhrase, _salt))
{
_secret = d.GetBytes(111);
var fourBytes = d.GetBytes(4);
int seed = fourBytes[0];
seed |= fourBytes[1] << 8;
seed |= fourBytes[2] << 16;
seed |= fourBytes[3] << 24;
_rnd = new Random(seed);
}
}
public KrabouilleStream(Stream inner, KrabouilleMode mode, string password)
{
if (inner == null)
{
throw new ArgumentNullException(nameof(inner));
}
if (String.IsNullOrEmpty(password))
{
throw new ArgumentNullException(nameof(password));
}
if (!inner.CanWrite && mode == KrabouilleMode.Krabouille)
{
throw new ArgumentException("inner must be writable for Krabouille mode.", nameof(inner));
}
if (!inner.CanRead && mode == KrabouilleMode.Unkrabouille)
{
throw new ArgumentException("inner must be readable for Unkrabouille mode.", nameof(inner));
}
_inner = inner;
_mode = mode;
}
