public IEllipticCurvePoint Invert()
{
if (m_Y.Zero)
{
return(GetInfinity());
}
uint[] items = new uint[m_Modulo.m_Value.Length];
ModuloOperations.ChangeSign(m_Y.m_Value, m_Modulo.m_Value, items);
return(new EllipticCurvePointB(m_X, new IntBig(items), m_Z, this));
}
/// <summary>
/// Negates a specified value
/// </summary>
/// <remarks>
/// Substracting the value from the modulo
/// </remarks>
/// <param name="value">The value to negate</param>
/// <returns>The result of the negate operation</returns>
public static MIntBig operator -(MIntBig value)
{
if (value as object == null)
{
throw new ArgumentNullException("value");
}
uint[] items = new uint[value.m_Modulo.m_Value.Length];
ModuloOperations.ChangeSign(value.m_Value.m_Value, value.m_Modulo.m_Value, items);
return(new MIntBig(new IntBig(items), value.m_Modulo));
}