LISTING PROGRAM. namespace vigenere_des { public partial class MainPage : PhoneApplicationPage { public MainPage() { InitializeComponent(); }

Transcription

1 59 LISTING PROGRAM Form Utama : using System; using System.Collections.Generic; using System.Linq; using System.Net; using System.Windows; using System.Windows.Controls; using System.Windows.Navigation; using Microsoft.Phone.Controls; using Microsoft.Phone.Shell; using vigenere_des.resources; namespace vigenere_des public partial class MainPage : PhoneApplicationPage public MainPage() InitializeComponent(); private void Button_Click(object sender, RoutedEventArgs e) Application.Current.Terminate(); private void Button_Click_1(object sender, RoutedEventArgs e) NavigationService.Navigate(new Uri("/Page1.xaml", UriKind.RelativeOrAbsolute)); private void Button_Click_2(object sender, RoutedEventArgs e) NavigationService.Navigate(new Uri("/Page2.xaml", UriKind.RelativeOrAbsolute)); private void Button_Click_3(object sender, RoutedEventArgs e) NavigationService.Navigate(new Uri("/Page3.xaml", UriKind.RelativeOrAbsolute)); private void Button_Click_4(object sender, RoutedEventArgs e) NavigationService.Navigate(new Uri("/Page4.xaml", UriKind.RelativeOrAbsolute));

2 60 Form Buat Pesan : using System; using System.IO; using System.Collections.Generic; using System.Linq; using System.Net; using System.Windows; using System.Windows.Controls; using System.Windows.Navigation; using Microsoft.Phone.Controls; using Microsoft.Phone.Shell; using Microsoft.Phone.UserData; using System.Security.Cryptography; using System.Text; using Microsoft.Phone.Tasks; namespace vigenere_des public partial class Page3 : PhoneApplicationPage public Page3() InitializeComponent(); string enkripsiv(string pesan, string kunci) int pjgkunci = kunci.length; int pjgpesan = pesan.length; string hasil = ""; for (int i = 0; i < pjgpesan; i++) hasil = hasil + Convert.ToChar((((int)pesan[i] + (int)kunci[i % (pjgkunci)]) % 95) + 32); return hasil; private void Button2_Click(object sender, RoutedEventArgs e) string message = plaint.text; string key = plaink.text; ciphert.text = enkripsiv(message, key); private void Button3_Click(object sender, RoutedEventArgs e) Cryptographer cryptographer = new Cryptographer(Algorithms.DES); cipherk.text = cryptographer.encryptionstart(plaink.text, desk.text.toupper(), false);

3 61 private void Button4_Click(object sender, RoutedEventArgs e) SmsComposeTask smscomposetask = new SmsComposeTask(); smscomposetask.to = buku_telepon.text; smscomposetask.body = ciphert.text; smscomposetask.show(); e) string data; private void txtname_gotfocus(object sender, RoutedEventArgs TextBox t = sender as TextBox; data = t.text; t.text = string.empty; e) private void txtname_lostfocus(object sender, RoutedEventArgs TextBox t = sender as TextBox; if (t.text.equals(string.empty)) t.text = data; private void Button1_Click(object sender, RoutedEventArgs e) Contacts cons = new Contacts(); cons.searchcompleted += new EventHandler<ContactsSearchEventArgs>(Contacts_SearchCompleted); cons.searchasync(string.empty, FilterKind.None, "Contacts Test #1"); void Contacts_SearchCompleted(object sender, ContactsSearchEventArgs e) System.Text.StringBuilder sb = new System.Text.StringBuilder(); foreach (Contact con in e.results) sb.appendline(con.displayname); MessageBox.Show(sb.ToString());

4 62 Form Dekrip Pesan : using System; using System.Collections.Generic; using System.Linq; using System.Net; using System.Windows; using System.Windows.Controls; using System.Windows.Navigation; using Microsoft.Phone.Controls; using Microsoft.Phone.Shell; namespace vigenere_des public partial class Page4 : PhoneApplicationPage public Page4() InitializeComponent(); string dekripsiv(string pesan, string kunci) int pjgkunci = kunci.length; int pjgpesan = pesan.length; string hasil = ""; for (int i = 0; i < pjgpesan; i++) if ((((int)pesan[i] - 32) - (int)kunci[i % (pjgkunci - 1)]) < -63) hasil = hasil + Convert.ToChar((((int)pesan[i] - 32) - (int)kunci[i % (pjgkunci)]) + 190); else if ((((int)pesan[i] - 32) - (int)kunci[i % (pjgkunci - 1)]) < 32) hasil = hasil + Convert.ToChar((((int)pesan[i] - 32) - (int)kunci[i % (pjgkunci)]) + 95); else hasil = hasil + Convert.ToChar((((int)pesan[i] - 32) - (int)kunci[i % (pjgkunci)]) % 95); return hasil; private void Button3_Click(object sender, RoutedEventArgs e) string message = ciphert1.text; string key = plaink1.text; plaint1.text = dekripsiv(message, key); private void Button2_Click(object sender, RoutedEventArgs e)

5 63 Cryptographer cryptographer = new Cryptographer(Algorithms.DES); plaink1.text = cryptographer.decryptionstart(cipherk1.text, desk.text.toupper(), false); private void plaint_textchanged(object sender, TextChangedEventArgs e) e) string data; private void txtname_gotfocus(object sender, RoutedEventArgs TextBox t = sender as TextBox; data = t.text; t.text = string.empty; e) private void txtname_lostfocus(object sender, RoutedEventArgs TextBox t = sender as TextBox; if (t.text.equals(string.empty)) t.text = data; Class Algorithms.cs : using System; using System.Collections.Generic; using System.Text; namespace vigenere_des class Algorithms public static readonly int DES = 0;

6 64 Class Cryptographer.cs : using System; using System.Collections.Generic; using System.Text; using System.Threading; namespace vigenere_des class Cryptographer CommonProcess cprocess = null; public Cryptographer(int algorithm_number) if (Algorithms.DES == algorithm_number) cprocess = new DES.ProcessDES(); public string EncryptionStart(string text, string key, bool IsBinary) return cprocess.encryptionstart(text, key, IsBinary); public string DecryptionStart(string text, string key, bool IsBinary) return cprocess.decryptionstart(text, key, IsBinary); Class Commonprocess.cs : using System; using System.Collections.Generic; using System.Text; namespace vigenere_des abstract class CommonProcess public abstract string EncryptionStart(string text, string key, bool IsTextBinary); public abstract string DecryptionStart(string text, string key, bool IsTextBinary);

7 65 Class DESData.cs : using System; using System.Collections.Generic; using System.Text; namespace vigenere_des.des #region tabel permutasi class DESData public static readonly int[] pc_1 = 57, 49, 41, 33, 25, 17, 9, 1, 58, 50, 42, 34, 26, 18, 10, 2, 59, 51, 43, 35, 27, 19, 11, 3, 60, 52, 44, 36, 63, 55, 47, 39, 31, 23, 15, 7, 62, 54, 46, 38, 30, 22, 14, 6, 61, 53, 45, 37, 29, 21, 13, 5, 28, 20, 12, 4 ; public static readonly int[] pc_2 = 14, 17, 11, 24, 1, 5, 3, 28, 15, 6, 21, 10, 23, 19, 12, 4, 26, 8, 16, 7, 27, 20, 13, 2, 41, 52, 31, 37, 47, 55, 30, 40, 51, 45, 33, 48, 44, 49, 39, 56, 34, 53, 46, 42, 50, 36, 29, 32 ; public static readonly int[] ip = 58, 50, 42, 34, 26, 18, 10, 2, 60, 52, 44, 36, 28, 20, 12, 4, 62, 54, 46, 38, 30, 22, 14, 6, 64, 56, 48, 40, 32, 24, 16, 8, 57, 49, 41, 33, 25, 17, 9, 1, 59, 51, 43, 35, 27, 19, 11, 3, 61, 53, 45, 37, 29, 21, 13, 5, 63, 55, 47, 39, 31, 23, 15, 7 ; public static readonly int[] ip_1 = 40, 8, 48, 16, 56, 24, 64, 32, 39, 7, 47, 15, 55, 23, 63, 31, 38, 6, 46, 14, 54, 22, 62, 30, 37, 5, 45, 13, 53, 21, 61, 29, 36, 4, 44, 12, 52, 20, 60, 28, 35, 3, 43, 11, 51, 19, 59, 27, 34, 2,

8 66 33, 1, 41, 9, 42, 10, 50, 18, 58, 26, 49, 17, 57, 25 ; public static readonly int[] pc_e = 32, 1, 2, 3, 4, 5, 4, 5, 6, 7, 8, 9, 8, 9, 10, 11, 12, 13, 12, 13, 14, 15, 16, 17, 16, 17, 18, 19, 20, 21, 20, 21, 22, 23, 24, 25, 24, 25, 26, 27, 28, 29, 28, 29, 30, 31, 32, 1 ; public static readonly int[] pc_p = 16, 7, 20, 21, 29, 12, 28, 17, 1, 15, 23, 26, 5, 18, 31, 10, 2, 8, 24, 14, 32, 27, 3, 9, 19, 13, 30, 6, 22, 11, 4, 25 ; public static readonly int[] nrofshifts = 0, 1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1 ; public static List<int[,]> sboxes = new List<int[,]>(); static DESData() sboxes.add(s1); sboxes.add(s2); sboxes.add(s3); sboxes.add(s4); sboxes.add(s5); sboxes.add(s6); sboxes.add(s7); sboxes.add(s8); public static readonly int[,] s1 = 14, 4, 13, 1, 2, 15, 11, 8, 3, 10, 6, 12, 5, 9, 0, 7, 0, 15, 7, 4, 14, 2, 13, 1, 10, 6, 12, 11, 9, 5, 3, 8, 4, 1, 14, 8, 13, 6, 2, 11, 15, 12, 9, 7, 3, 10, 5, 0, 15, 12, 8, 2, 4, 9, 1, 7, 5, 11, 3, 14, 10, 0, 6, 13 ; public static readonly int[,] s2 = 15, 1, 8, 14, 6, 11, 3, 4, 9, 7, 2, 13, 12, 0, 5, 10, 3, 13, 4, 7, 15, 2, 8, 14, 12, 0, 1, 10, 6, 9, 11, 5, 0, 14, 7, 11, 10, 4, 13, 1, 5, 8, 12, 6, 9, 3, 2, 15, 13, 8, 10, 1, 3, 15, 4, 2, 11, 6, 7, 12, 0, 5, 14, 9 ;

9 67 public static readonly int[,] s3 = 10, 0, 9, 14, 6, 3, 15, 5, 1, 13, 12, 7, 11, 4, 2, 8, 13, 7, 0, 9, 3, 4, 6, 10, 2, 8, 5, 14, 12, 11, 15, 1, 13, 6, 4, 9, 8, 15, 3, 0, 11, 1, 2, 12, 5, 10, 14, 7, 1, 10, 13, 0, 6, 9, 8, 7, 4, 15, 14, 3, 11, 5, 2, 12 ; public static readonly int[,] s4 = 7, 13, 14, 3, 0, 6, 9, 10, 1, 2, 8, 5, 11, 12, 4, 15, 13, 8, 11, 5, 6, 15, 0, 3, 4, 7, 2, 12, 1, 10, 14, 9, 10, 6, 9, 0, 12, 11, 7, 13, 15, 1, 3, 14, 5, 2, 8, 4, 3, 15, 0, 6, 10, 1, 13, 8, 9, 4, 5, 11, 12, 7, 2, 14 ; public static readonly int[,] s5 = 2, 12, 4, 1, 7, 10, 11, 6, 8, 5, 3, 15, 13, 0, 14, 9, 14, 11, 2, 12, 4, 7, 13, 1, 5, 0, 15, 10, 3, 9, 8, 6, 4, 2, 1, 11, 10, 13, 7, 8, 15, 9, 12, 5, 6, 3, 0, 14, 11, 8, 12, 7, 1, 14, 2, 13, 6, 15, 0, 9, 10, 4, 5, 3 ; public static readonly int[,] s6 = 12, 1, 10, 15, 9, 2, 6, 8, 0, 13, 3, 4, 14, 7, 5, 11, 10, 15, 4, 2, 7, 12, 9, 5, 6, 1, 13, 14, 0, 11, 3, 8, 9, 14, 15, 5, 2, 8, 12, 3, 7, 0, 4, 10, 1, 13, 11, 6, 4, 3, 2, 12, 9, 5, 15, 10, 11, 14, 1, 7, 6, 0, 8, 13 ; public static readonly int[,] s7 = 4, 11, 2, 14, 15, 0, 8, 13, 3, 12, 9, 7, 5, 10, 6, 1, 13, 0, 11, 7, 4, 9, 1, 10, 14, 3, 5, 12, 2, 15, 8, 6, 1, 4, 11, 13, 12, 3, 7, 14, 10, 15, 6, 8, 0, 5, 9, 2, 6, 11, 13, 8, 1, 4, 10, 7, 9, 5, 0, 15, 14, 2, 3, 12 ; public static readonly int[,] s8 = 13, 2, 8, 4, 6, 15, 11, 1, 10, 9, 3, 14, 5, 0, 12, 7, 1, 15, 13, 8, 10, 3, 7, 4, 12, 5, 6, 11, 0, 14, 9, 2, 7, 11, 4, 1, 9, 12, 14, 2, 0, 6, 10, 13, 15, 3, 5, 8, 2, 1, 14, 7, 4, 10, 8, 13, 15, 12, 9, 0, 3, 5, 6, 11 ;

10 68 #region pembuatan kelas kunci class Keys public string[] Cn = new string[17]; public string[] Dn = new string[17]; public string[] Kn = new string[16]; Class ProcessDES.cs : using System; using System.Collections.Generic; using System.Text; namespace vigenere_des.des class ProcessDES : CommonProcess public ProcessDES() #region proses enkripsi public override string EncryptionStart(string text, string key, bool IsTextBinary) #region pengambilan 16 kunci string binary_key = this.fromtexttobinary(key); string key_plus = this.dopermutation(binary_key, DESData.pc_1); string C0 = "", D0 = ""; C0 = this.setlefthalveskey(key_plus); D0 = this.setrighthalveskey(key_plus); Keys keys = this.setallkeys(c0, D0); #region proses enkripsi string binarytext = ""; if (IsTextBinary == false) binarytext = this.fromtexttobinary(text); else binarytext = text;

11 69 binarytext = this.settextmutipleof64bits(binarytext); StringBuilder EncryptedTextBuilder = new StringBuilder(binaryText.Length); for (int i = 0; i < (binarytext.length / 64); i++) string PermutatedText = this.dopermutation(binarytext.substring(i * 64, 64), DESData.ip); string L0 = "", R0 = ""; L0 = this.setlefthalveskey(permutatedtext); R0 = this.setrighthalveskey(permutatedtext); false); string FinalText = this.finalencription(l0, R0, keys, string selesai = BinaryStringToHexString(FinalText); EncryptedTextBuilder.Append(selesai); return EncryptedTextBuilder.ToString(); #region proses dekripsi public override string DecryptionStart(string text, string key, bool IsTextBinary) #region pengambilan 16 kunci string binary_key = this.fromtexttobinary(key); string key_plus = this.dopermutation(binary_key, DESData.pc_1); string C0 = "", D0 = ""; C0 = this.setlefthalveskey(key_plus); D0 = this.setrighthalveskey(key_plus); Keys keys = this.setallkeys(c0, D0); #region proses dekripsi string binarytext = ""; if (IsTextBinary == false) binarytext = this.fromhextobinary(text); else

12 70 binarytext = text; binarytext = this.settextmutipleof64bits(binarytext); StringBuilder DecryptedTextBuilder = new StringBuilder(binaryText.Length); for (int i = 0; i < (binarytext.length / 64); i++) string PermutatedText = this.dopermutation(binarytext.substring(i * 64, 64), DESData.ip); string L0 = "", R0 = ""; L0 = this.setlefthalveskey(permutatedtext); R0 = this.setrighthalveskey(permutatedtext); true); string FinalText = this.finalencription(l0, R0, keys, string selesai = FromBinaryToText(FinalText); DecryptedTextBuilder.Append(selesai); 8 + 1); return DecryptedTextBuilder.ToString(); public static string BinaryStringToHexString(string binary) StringBuilder result = new StringBuilder(binary.Length / 8, '0'); int mod4len = binary.length % 8; if (mod4len!= 0) binary = binary.padleft(((binary.length / 8) + 1) * for (int i = 0; i < binary.length; i += 8) string eightbits = binary.substring(i, 8); result.appendformat("0:x2", Convert.ToByte(eightBits, 2)); return result.tostring(); #region mengubah biner menjadi ascii public string FromBinaryToText(string binarystring) StringBuilder text = new StringBuilder(binarystring.Length / 8);

13 71 for (int i = 0; i < (binarystring.length / 8); i++) string word = binarystring.substring(i * 8, 8); text.append((char)convert.toint32(word, 2)); return text.tostring(); #region pembagian teks menjadi 64 bit public string settextmutipleof64bits(string text) if ((text.length % 64)!= 0) int maxlength = 0; maxlength = ((text.length / 64) + 1) * 64; text = text.padright(maxlength, '0'); return text; #region mengubah ASCII menjadi biner public string FromTextToBinary(string text) StringBuilder binarystring = new StringBuilder(text.Length * 8); foreach (char word in text) int binary = (int)word; int factor = 128; for (int i = 0; i < 8; i++) if (binary >= factor) binary -= factor; binarystring.append("1"); else binarystring.append("0"); factor /= 2; return binarystring.tostring(); 0."); public static string FromDeciamlToBinary(int binary) if (binary < 0) Console.WriteLine("It requires a integer greater than return null;

14 72 string binarystring = ""; int factor = 128; for (int i = 0; i < 8; i++) if (binary >= factor) binary -= factor; binarystring += "1"; else binarystring += "0"; factor /= 2; return binarystring; public static byte FromBinaryToByte(string binary) byte value = 0; int factor = 128; for (int i = 0; i < 8; i++) if (binary[i] == '1') value += (byte)factor; factor /= 2; return value; #region mengubah heksa ke biner public string FromHexToBinary(string hexstring) string binarystring = ""; try for (int i = 0; i < hexstring.length; i++) int hex = Convert.ToInt32(hexstring[i].ToString(), 16); int factor = 8; for(int j=0; j<4; j++) if (hex >= factor) hex -= factor;

15 73 format."); binarystring += "1"; else binarystring += "0"; factor /= 2; catch (Exception e) Console.WriteLine(e.Message + " - wrong hexa integer return binarystring; #region perulangan public string DoPermutation(string text, int[] order) StringBuilder PermutatedText = new StringBuilder(order.Length); for (int i = 0; i < order.length; i++) PermutatedText.Append(text[order[i] - 1]); return PermutatedText.ToString(); //untuk S box public string DoPermutation(string text, int[,] order) string PermutatedText = ""; int rowindex = Convert.ToInt32(text[0].ToString() + text[text.length - 1].ToString(), 2); int colindex = Convert.ToInt32(text.Substring(1, 4), 2); PermutatedText = ProcessDES.FromDeciamlToBinary(order[rowIndex, colindex]); return PermutatedText; #region memecah blok menjadi kiri dan kanan public string SetLeftHalvesKey(string text) return this.sethalveskey(true, text); public string SetRightHalvesKey(string text) return this.sethalveskey(false, text);

16 74 public string SetHalvesKey(bool IsLeft, string text) if ((text.length % 8)!= 0) Console.WriteLine("The key is not multiple of 8bit."); return null; int midindex = (text.length / 2) - 1; string result = ""; if (IsLeft) result = text.substring(0, midindex + 1); else result = text.substring(midindex + 1); return result; #region pergeseran ke kiri public string LeftShift(string text) return this.leftshift(text, 1); public string LeftShift(string text, int count) if (count < 1) Console.WriteLine("The count of leftshift is must more than 1 time."); return null; string temp = text.substring(0, count); StringBuilder shifted = new StringBuilder(text.Length); shifted.append(text.substring(count) + temp); return shifted.tostring(); #region pengmabilan semua kunci public Keys SetAllKeys(string C0, string D0) Keys keys = new Keys(); keys.cn[0] = C0; keys.dn[0] = D0; for (int i = 1; i < keys.cn.length; i++)

17 75 keys.cn[i] = this.leftshift(keys.cn[i - 1], DESData.nrOfShifts[i]); keys.dn[i] = this.leftshift(keys.dn[i - 1], DESData.nrOfShifts[i]); keys.kn[i - 1] = this.dopermutation(keys.cn[i] + keys.dn[i], DESData.pc_2); return keys; #region enkripsi public string FinalEncription(string L0, string R0, Keys keys, bool IsReverse) string Ln = "", Rn = "", Ln_1 = L0, Rn_1 = R0; int i = 0; if (IsReverse == true) i = 15; while (this.isenough(i, IsReverse)) Ln = Rn_1; Rn = this.xor(ln_1, this.f(rn_1, keys.kn[i])); Ln_1 = Ln; Rn_1 = Rn; if (IsReverse == false) i += 1; else i -= 1; string R16L16 = Rn + Ln; string Encripted_Text = this.dopermutation(r16l16, DESData.ip_1); return Encripted_Text; public bool IsEnough(int i, bool IsReverse) return (IsReverse == false)? i < 16 : i >= 0; #region fungsi f public string f(string Rn_1, string Kn)

18 76 string E_Rn_1 = this.e_selection(rn_1); string XOR_Rn_1_Kn = this.xor(e_rn_1, Kn); string sboxedtext = this.sbox_transform(xor_rn_1_kn); string P_sBoxedText = this.p(sboxedtext); return P_sBoxedText; #region fungsi P public string P(string text) string PermutatedText = ""; PermutatedText = this.dopermutation(text, DESData.pc_p); return PermutatedText; #region transformasi s box public string sbox_transform(string text) StringBuilder TransformedText = new StringBuilder(32); for (int i = 0; i < 8; i++) string temp = text.substring(i * 6, 6); TransformedText.Append(this.DoPermutation(temp, DESData.sBoxes[i])); return TransformedText.ToString(); #region pemilihan E public string E_Selection(string Rn_1) string ExpandedText = this.dopermutation(rn_1, DESData.pc_e); return ExpandedText; #region XOR public string XOR(string text1, string text2) if (text1.length!= text2.length) Console.WriteLine("Two data blocks for XOR are must get same size."); return null;

19 77 StringBuilder XORed_Text = new StringBuilder(text1.Length); for (int i = 0; i < text1.length; i++) if (text1[i]!= text2[i]) XORed_Text.Append("1"); else XORed_Text.Append("0"); return XORed_Text.ToString();

20 78 DAFTAR RIWAYAT HIDUP DATA PRIBADI Nama Lengkap : Farid Akbar Siregar Jenis Kelamin : Laki-laki Tempat, Tanggal Lahir : Medan, 4 April 1994 Alamat : Jl. Kapodang II No.361 P.Mandala, Medan Agama : Islam farid_akbar_usu@yahoo.com Pendidikan Terakhir : Medan, Fakultas Ilmu Komputer dan Teknologi Informasi Jurusan S1 Ilmu Komputer PENDIDIKAN FORMAL : S1 Ilmu Komputer, Medan : SMK Telkom Sandhy Putra Medan : MTsN 2 Medan : MIN Sei Agul Medan PENGALAMAN ORGANISASI DAN KEGIATAN ILMIAH Anggota Departemen Wawasan Kontemporer Ikatan Mahasiswa S1 Ilmu Komputer (IMILKOM), Ketua Komisi Pengawas KPU IMILKOM, 2013 Ketua Departemen Wawasan Kontemporer Ikatan Mahasiswa S1 Ilmu Komputer (IMILKOM), Ketua Departemen Kemahasiswaan Ikatan Mahasiswa S1 Ilmu Komputer (IMILKOM), Praktek Kerja Lapangan Biro Administrasi Pembangunan SETDAPROVSU Juli- Agustus 2014