throw new IOException( "Invalid SecurityDescriptor" );

            aces = new ACE[numAces];
            for (int i = 0; i < numAces; i++) {
                aces[i] = new ACE();
                bufferIndex += aces[i].decode(buffer, bufferIndex);
            }
        } else {
            aces = null;
        }

        return bufferIndex - start;
    }
    public String toString() {

 * the access mask of the ACE, the access check is successful. Otherwise,
 * more ACEs are evaluated until all desired access bits (combined)
 * are "allowed". If all of the desired access bits are not "allowed"
 * the then same process is repeated for inherited ACEs.
 * <p>
 * For example, if user <tt>WNET\alice</tt> tries to open a file