private void Dispose(bool disposing)
{
if (!disposed)
{
if (disposing)
{
// dispose managed state (managed objects).
this.handle.Dispose();
this.handle = null;
}
// free unmanaged resources (unmanaged objects) and override a finalizer below.
disposed = true;
}
}
public ToxEncryptionKey(string passphrase, byte[] salt = null)
{
if (string.IsNullOrEmpty(passphrase))
{
throw new ArgumentException(nameof(passphrase));
}
ToxErrorKeyDerivation error;
var handle = salt == null?Derive(passphrase, out error) : Derive(passphrase, salt, out error);
if (handle == null || error != ToxErrorKeyDerivation.Ok)
{
throw new Exception("Could not derive key from passphrase");
}
this.handle = handle;
}
public static extern Boolean Decrypt(ToxEncryptionKeyHandle key, Byte[] cipher, SizeT length, Byte[] plain, ref ToxErrorDecryption error);