/// <summary>
/// Returns the BigNum as a buffer
/// </summary>
/// <returns>Content of BigNum as byte array in OpenSSL byte order</returns>
public byte[] ToBigArray()
{
if (fDisposed)
{
throw new ObjectDisposedException("this");
}
byte[] buf = new byte[(OpenSSL.BN_num_bits(fBigNum) + 7) / 8];
OpenSSL.BN_bn2bin(fBigNum, buf);
return(buf);
}