public static ChuoiNhiPhan TinhPC2(ChuoiNhiPhan chuoiTrai, ChuoiNhiPhan chuoiPhai)
{
ChuoiNhiPhan CongChuoiVao = chuoiTrai.Cong(chuoiPhai);
ChuoiNhiPhan ChuoiSauPC2 = new ChuoiNhiPhan(48);
for (int i = 0; i < ChuoiSauPC2.DoDai; i++)
{
ChuoiSauPC2.MangNhiPhan[i] = CongChuoiVao.MangNhiPhan[PC2[i] - 1];
}
return(ChuoiSauPC2);
}
public static ChuoiNhiPhan TinhIP_1(ChuoiNhiPhan chuoiTrai, ChuoiNhiPhan chuoiPhai, int MaHoaHayGiaiMa) // 1 ma hoa, -1 giai ma
{
ChuoiNhiPhan ChuoiNoi = chuoiTrai.Cong(chuoiPhai);
ChuoiNhiPhan KQ = new ChuoiNhiPhan(ChuoiNoi.DoDai);
for (int i = 0; i < ChuoiNoi.DoDai; i++)
{
KQ.MangNhiPhan[i] = ChuoiNoi.MangNhiPhan[(MaHoaHayGiaiMa == 1 ? IP_1[i] - 1 : IP[i] - 1)];
}
return(KQ);
}