public static int GiaiMaRSA(int p, int q, int C) { Khoa khoacongkhai = new Khoa(); Khoa khoabimat = new Khoa(); int N = p * q; int n = (p - 1) * (q - 1); int e = 0; for (int i = 2; i < n; i++) { SoKetQua kq = GiaiThuat.TinhEuclid(i, n); if (kq.Ucln == 1) { e = i; break; } } int d = GiaiThuat.TinhEuclid(n, e).Nghichdao; khoacongkhai.So1 = e; khoacongkhai.So2 = N; khoabimat.So1 = d; khoabimat.So2 = N; int Mngang = binhphuonglientiep(C, d, N); return(Mngang); }
private void button1_Click(object sender, EventArgs e1) { try { int p = Convert.ToInt32(txtp.Text); int q = Convert.ToInt32(txtq.Text); Khoa khoacongkhai = new Khoa(); Khoa khoabimat = new Khoa(); int N = p * q; int n = (p - 1) * (q - 1); int e = 0; for (int i = 2; i < n; i++) { SoKetQua kq = GiaiThuat.TinhEuclid(i, n); if (kq.Ucln == 1) { e = i; break; } else { continue; } } int d = GiaiThuat.TinhEuclid(n, e).Nghichdao; txte.Text = e.ToString(); txtN.Text = N.ToString(); txtd.Text = d.ToString(); txtN2.Text = N.ToString(); } catch { MessageBox.Show("Có lỗi xảy ra"); } }
private void btnMaHoa_Click(object sender, EventArgs e1) { try { using (StreamReader sr = new StreamReader(duongdanfile)) { string ketqua = ""; int e = Convert.ToInt32(txte.Text); int N = Convert.ToInt32(txtN.Text); String line = sr.ReadToEnd(); string textnhapvao = line; char[] mangchar = line.ToCharArray(); List <int> mangso = new List <int>(); foreach (char c in mangchar) { mangso.Add(Convert.ToInt32(c)); } foreach (int i in mangso) { int soketquagiaima = GiaiThuat.MaHoaBaoMatRSA(e, N, i); char charduocmahoa = (char)soketquagiaima; ketqua = ketqua + charduocmahoa; } txtKetQua.Text = ketqua; } } catch { MessageBox.Show("Có lỗi xảy ra"); } }
private void btnTestGMBM_Click(object sender, EventArgs e) { try { int C = Convert.ToInt32(txtTestC.Text); int d = Convert.ToInt32(txtd.Text); int N = Convert.ToInt32(txtN.Text); int soketqua = GiaiThuat.GiaiMaChungThucRSA(d, N, C); txtTestResult.Text = soketqua.ToString(); } catch { MessageBox.Show("Có lỗi xảy ra."); } }
private void btnTestMHBM_Click(object sender, EventArgs e1) { try { int M = Convert.ToInt32(txtTestM.Text); int e = Convert.ToInt32(txte.Text); int N = Convert.ToInt32(txtN.Text); int soketqua = GiaiThuat.MaHoaBaoMatRSA(e, N, M); txtTestResult.Text = soketqua.ToString(); } catch { MessageBox.Show("Có lỗi xảy ra."); } }
private void button4_Click(object sender, EventArgs e) { int ketqua = GiaiThuat.GiaiMaChungThucRSA(Convert.ToInt32(txte.Text), Convert.ToInt32(txtN.Text), 27); MessageBox.Show(ketqua.ToString()); }