Lampiran A-1 : Listing Program Main Form

Transkripsi

1 Lampiran A-1 : Listing Program Main Form Coding Main Form using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Drawing.Imaging; using System.IO; using System.Linq; using System.Text; using System.Threading; using System.Threading.Tasks; using System.Windows.Forms; using Microsoft.Office.Interop.Word; using App = Microsoft.Office.Interop.Word.Application; using AForge.Video.FFMPEG; using System.Diagnostics; namespace Avi public partial class MainForm : Form Stopwatch stopwatch = new Stopwatch(); public enum SEED_State Accept, Reject ; public MainForm() InitializeComponent(); bw1.workersupportscancellation = true; bw1.workerreportsprogress = true; splashpanel.hide(); brwembedvideo.filter = "*.avi *.avi"; brwembedtext.filter = *.docx *.docx *.doc *.doc *.rtf *.rtf *.txt *.txt"; saveembedvideo.defaultext = "*.avi *.avi"; saveembedvideo.filter = "*.avi *.avi"; brwextractvideo.filter = "*.avi *.avi"; VideoFileReader reader; int framecount = 0; string embedtext="", extracttext=""; List<Bitmap> oribitmap, embedbitmap; uint[] randomlist; uint SEED, newseed; private void btn_embvideo_click(object sender, EventArgs e) string fileembedvideo; btn_embvideo.enabled = false; oribitmap = new List<Bitmap>(); A- 1

2 if (brwembedvideo.showdialog() == DialogResult.OK) framecount = 0; bw1.runworkerasync(); fileembedvideo = brwembedvideo.filename; tb_embvideo.text = fileembedvideo; reader = new VideoFileReader(); reader.open(fileembedvideo); while (true) using (var videoframe = reader.readvideoframe()) using (MemoryStream memory = new MemoryStream()) if (videoframe == null) break; framecount++; videoframe.save(memory, ImageFormat.Bmp); oribitmap.add(new Bitmap(videoFrame)); Thread.Sleep(100); pb_embvideo.image = new Bitmap(oriBitmap[0]); bw1.cancelasync(); btn_embvideo.enabled = true; Console.WriteLine("Framecount : "+framecount); private void btn_embtext_click(object sender, EventArgs e) embedtext = ""; string fileembedtext; btn_embtext.enabled = false; if (brwembedtext.showdialog() == DialogResult.OK) bw1.runworkerasync(); fileembedtext = brwembedtext.filename; App app = new App(); Document doc = app.documents.open(fileembedtext); foreach (Paragraph p in doc.paragraphs) embedtext += p.range.text.trim(); ((_Document)doc).Close(); A-2

3 ((_Application)app).Quit(); rtb_teks.text = embedtext; tb_embteks.text = fileembedtext; randomlist = new uint[embedtext.length]; tb_embperiode.text = embedtext.length.tostring(); bw1.cancelasync(); btn_embtext.enabled = true; private void btn_embembed_click(object sender, EventArgs e) List<uint> randomlist = new List<uint>(); stopwatch.reset(); btn_embembed.enabled = false; stopwatch.start(); if (!(tb_embvideo.text == "" tb_embteks.text == "" tb_embseed.text == "")) bw1.runworkerasync(); SEED_State seed_state = SEED_State.Reject; embedbitmap = new List<Bitmap>(oriBitmap); SEED = uint.parse(tb_embseed.text); newseed = SEED; LFSR.setSEED(SEED); if (embedtext.length <= embedbitmap.count) while (seed_state == SEED_State.Reject) framecount); for (int j = 0; j < embedtext.length; j++) uint random = (uint)(lfsr.getnextint() % if (randomlist.count == 0) randomlist.add(random); continue; if (randomlist.contains(random)) randomlist.clear(); newseed++; LFSR.setSEED(newSEED); break; randomlist.add(random); if (j == embedtext.length - 1) seed_state = SEED_State.Accept; A-3

4 Console.WriteLine("New SEED : " + newseed); Console.WriteLine("Embed SEED Result"); // in case overlapping if (seed_state == SEED_State.Accept) for (int j = 0; j < embedtext.length; j++) embedbitmap[(int)randomlist[j]] = SteganographyHelper.embedText("" + embedtext[j], embedbitmap[(int)randomlist[j]]); stopwatch.stop(); if (saveembedvideo.showdialog() == DialogResult.OK) var writer = new VideoFileWriter(); TimeSpan ts = stopwatch.elapsed; string elapsedtime = String.Format("0:00:1:00:2:000.3:000", ts.hours, ts.minutes, ts.seconds,ts.milliseconds ); writer.open(saveembedvideo.filename, embedbitmap[0].width, embedbitmap[0].height, 30, VideoCodec.Raw); for (int j = 0; j < embedbitmap.count; j++) writer.writevideoframe(embedbitmap[j]); writer.close(); MessageBox.Show(this, "Penyisipan Berhasil " + elapsedtime, "Berhasil ", MessageBoxButtons.OK, MessageBoxIcon.Information); bw1.cancelasync(); btn_embembed.enabled = true; bw1.cancelasync(); string msgtext=""; if (tb_embvideo.text == "") msgtext += "Pilih file video terlebih dahulu"; if (tb_embteks.text == "") msgtext += "Pilih file teks terlebih dahulu"; msgtext += "Pilih SEED terlebih dahulu"; MessageBox.Show(this, msgtext, "Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); btn_embembed.enabled = true; A-4

5 randomlist.clear(); private void btn_extvideo_click(object sender, EventArgs e) string fileextractvideo=""; embedbitmap = new List<Bitmap>(); framecount = 0; if (brwextractvideo.showdialog() == DialogResult.OK) bw1.runworkerasync(); fileextractvideo = brwextractvideo.filename; tb_extvideo.text = fileextractvideo; reader = new VideoFileReader(); reader.open(fileextractvideo); while (true) using (var videoframe = reader.readvideoframe()) using (MemoryStream memory = new MemoryStream()) if (videoframe == null) break; framecount++; videoframe.save(memory, ImageFormat.Bmp); embedbitmap.add(new Bitmap(videoFrame)); pb_extvideo.image = new Bitmap(embedBitmap[0]); bw1.cancelasync(); int periode; private void btn_extextract_click(object sender, EventArgs e) btn_extextract.enabled = false; stopwatch.reset(); stopwatch.start(); if (!(tb_extperiode.text == "" tb_extseed.text == "" tb_extvideo.text == "")) bw1.runworkerasync(); periode = int.parse(tb_extperiode.text); SEED = uint.parse(tb_extseed.text); newseed = SEED; extracttext = ""; A-5

6 LFSR.setSEED(SEED); SEED_State seed_state = SEED_State.Reject; randomlist = new uint[periode]; while (seed_state == SEED_State.Reject) for (int j = 0; j < periode; j++) uint random = (uint)(lfsr.getnextint() % framecount); if (randomlist.length == 0) randomlist[j] = random; continue; if (randomlist.contains(random)) Array.Clear(randomList, 0, randomlist.length); newseed++; LFSR.setSEED(newSEED); break; randomlist[j] = random; if (j == periode - 1) seed_state = SEED_State.Accept; break; for (int j = 0; j < periode; j++) extracttext += SteganographyHelper.extractText(embedBitmap[(int)randomList[j]]); rb_extteks.text = extracttext; stopwatch.stop(); TimeSpan ts = stopwatch.elapsed; string elapsedtime = String.Format("0:00:1:00:2:000.3:000", ts.hours, ts.minutes, ts.seconds, ts.milliseconds); MessageBox.Show(this, "Berhasil mengekstrak teks dari video" + elapsedtime, "Berhasil", MessageBoxButtons.OK, MessageBoxIcon.Information); bw1.cancelasync(); btn_extextract.enabled = true; string msgtext = ""; if(tb_extvideo.text=="") msgtext += "Pilih file video terlebih dahulu"; if(tb_extseed.text=="") A-6

7 msgtext += "Pilih SEED terlebih dahulu"; msgtext += "Pilih periode terlebih dahulu"; MessageBox.Show(this, msgtext, "Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); e) private void aplikasitoolstripmenuitem_click(object sender, EventArgs Panel.Show(); splashpanel.hide(); probar.show(); private void abouttoolstripmenuitem_click(object sender, EventArgs e) splashpanel.show(); Panel.Hide(); probar.hide(); private void exittoolstripmenuitem_click(object sender, EventArgs e) Close(); private void bw1_dowork(object sender, DoWorkEventArgs e) Thread.Sleep(1000); for (int i = 0; i < 10000; i++) bw1.reportprogress(i); private void MainForm_Load(object sender, EventArgs e) A-7

8 Lampiran B : Listing Program LFSR LFSR using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Security.Cryptography; namespace Avi class LFSR private static uint SEED; public static uint getnextint() if (SEED!= 0) uint start_state = SEED; uint lfsr = start_state; uint bit; /* Must be 16bit to allow bit<<15 later in the code */ uint int_period = 0; do // taps: ; feedback polynomial: x^32 + x^30 + x^26 + x^ */ bit = ((lfsr >> 0) ^ (lfsr >> 2) ^ (lfsr >> 6) ^ (lfsr >> 7)) & 1; lfsr = (lfsr >> 1) (bit << 31); ++int_period; while (lfsr == start_state); SEED = lfsr; return lfsr; return 0; public static void setseed(uint seed) SEED = seed; B-1

9 Lampiran C : Listing Program Stego-Helper // code from sourceforge.com using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Drawing; using System.Threading.Tasks; namespace Avi class SteganographyHelper public enum State Hiding, Filling_With_Zeros ; public static Bitmap embedtext(string text, Bitmap bmp) // initially, we'll be hiding characters in the image State state = State.Hiding; // holds the index of the character that is being hidden int charindex = 0; // holds the value of the character converted to integer int charvalue = 0; // holds the index of the color element (R or G or B) that is currently being processed long pixelelementindex = 0; // holds the number of trailing zeros that have been added when finishing the process int zeros = 0; // hold pixel elements int R = 0, G = 0, B = 0; // pass through the rows for (int i = 0; i < bmp.height; i++) // pass through each row for (int j = 0; j < bmp.width; j++) // holds the pixel that is currently being processed Color pixel = bmp.getpixel(j, i); pixel element // now, clear the least significant bit (LSB) from each R = pixel.r - pixel.r % 2; G = pixel.g - pixel.g % 2; B = pixel.b - pixel.b % 2; // for each pixel, pass through its elements (RGB) C-1

10 added 8) been affected B)); for (int n = 0; n < 3; n++) // check if new 8 bits has been processed if (pixelelementindex % 8 == 0) // check if the whole process has finished // we can say that it's finished when 8 zeros are if (state == State.Filling_With_Zeros && zeros == // apply the last pixel on the image // even if only a part of its elements have if ((pixelelementindex - 1) % 3 < 2) bmp.setpixel(j, i, Color.FromArgb(R, G, // return the bitmap with the text hidden in return bmp; text // check if all characters has been hidden if (charindex >= text.length) // start adding zeros to mark the end of the state = State.Filling_With_Zeros; // move to the next character and process again charvalue = text[charindex++]; // check which pixel element has the turn to hide a bit in its LSB switch (pixelelementindex % 3) case 0: if (state == State.Hiding) // the rightmost bit in the character will be (charvalue % 2) // to put this value instead of the LSB of the pixel element // just add it to it // recall that the LSB of the pixel element had been cleared // before this operation R += charvalue % 2; // removes the added rightmost bit of the character // such that next time we can reach the next one charvalue /= 2; break; case 1: if (state == State.Hiding) C-2

11 G += charvalue % 2; charvalue /= 2; break; case 2: if (state == State.Hiding) B += charvalue % 2; charvalue /= 2; B)); bmp.setpixel(j, i, Color.FromArgb(R, G, break; pixelelementindex++; if (state == State.Filling_With_Zeros) // increment the value of zeros until it is 8 zeros++; return bmp; public static string extracttext(bitmap bmp) int colorunitindex = 0; int charvalue = 0; // variable penyimpan hasil ekstraksi string extractedtext = String.Empty; // membaca setiap kolom for (int i = 0; i < bmp.height; i++) // membaca setiap kolom for (int j = 0; j < bmp.width; j++) Color pixel = bmp.getpixel(j, i); // for each pixel, pass through its elements (RGB) for (int n = 0; n < 3; n++) switch (colorunitindex % 3) case 0: charvalue = charvalue * 2 + pixel.r % 2; break; case 1: C-3

12 charvalue = charvalue * 2 + pixel.g % 2; break; case 2: charvalue = charvalue * 2 + pixel.b % 2; break; colorunitindex++; occurs zeros) // if 8 bits has been added, // then add the current character to the result text if (colorunitindex % 8 == 0) // reverse? of course, since each time the process // on the right (for simplicity) charvalue = reversebits(charvalue); // can only be 0 if it is the stop character (the 8 if (charvalue == 0) return extractedtext; // convert the character value from int to char char c = (char)charvalue; // add the current character to the result text extractedtext += c.tostring(); return extractedtext; public static int reversebits(int n) int result = 0; for (int i = 0; i < 8; i++) result = result * 2 + n % 2; n /= 2; return result; C-4

13 Lampiran D Angket Apakah ada perbedaan antara kedua video tersebut? No Nama Jawaban Keterangan 1 Ya / Tidak 2 Ya / Tidak 3 Ya / Tidak 4 Ya / Tidak 5 Ya / Tidak 6 Ya / Tidak 7 Ya / Tidak 8 Ya / Tidak 9 Ya / Tidak 10 Ya / Tidak 11 Ya / Tidak 12 Ya / Tidak 13 Ya / Tidak 14 Ya / Tidak 15 Ya / Tidak 16 Ya / Tidak 17 Ya / Tidak 18 Ya / Tidak 19 Ya / Tidak 20 Ya / Tidak D-1

14 DAFTAR RIWAYAT HIDUP Data Pribadi Nama : Ricky Steven Tempat, tanggal Lahir : Medan, 13 Maret 1993 Jenis Kelamin : Laki-Laki Umur : 23 tahun Tinggi, berat badan : 178cm, 75 kg Agama : Buddha Alamat : Jalan Brig. Zein Hamid No 43A LK XI Status : Belum Kawin Telepon : rickysteven@ymail.com Latarbelakang Pendidikan : Formal : Lulusan SD Sutomo 1 Medan : Lulusan SMP Sutomo 1 Medan : Lulusan SMA Sutomo 1 Medan Non Formal : Bimbingan bahasa Inggris di Winfield 2011 : Workshop 3D Animation Revolution with DreamArch Animation E-1

15 2011 : Workshop Menggambar Manga by Mieko : Workshop Earn Money from Design Artechno Festival 2011 : Workshop Networking by GONES Artechno Festival 2012 : PPO Basic Training of KMB USU 2012 : Workshop Linux Configuration (KSL USU) : Workshop Pintar Programming Teknonesia : Information Technology Seminar : Pemanfaatan Teknologi Open Source sebagai Aplikasi dalam Dunia Bisnis Global : Information Technology Seminar : Kupas Tuntas Blackberry, ios & Android : Based Training Organization : Personal Branding That s You. DJARUM foundation : Based Training Organization : Public Speaking and Presentation Skill. Tanoto Foundation : Motivation Training : Masa Orientasi IMILKOM Graduate Study Program of Computing Science 2014 : Liason Officer Indonesia, Malaysia, Thailand Gathering Triangle (IMT-GT) 2015 : Liasion Officer (LO) Kegiatan Forum Rektor Indonesia XVII di 2016 : Volunteer dalam partisipasi Education Expo Pengalaman Organisasi : Anggota dari Programming Club Sutomo : Anggota Divisi Khusus dari Keluarga Mahasiswa Buddhis di E-2

16 : Anggota Divisi Kewirausahaan dari Keluarga Mahasiswa Buddhis di : Anggota PEMA Fasilkom-TI divisi kerohanian agama Buddha : Ketua Komisi Pemilihan Umum (KPU) Imilkom : Ketua Tanoto Scholars Association Medan Penghargaan : Penghargaan sebagai Juara 1 Programming pada Imilkom Contest 2012 : Penghargaan sebagai Best Tanoto Association se- Indonesia ketika menjabat sebagai ketua Pengalaman Kerja : Bekerja pada perusahaan pengolahan biji kemiri di Namorambe Rincian Pekerjaan: Melakukan pembagian perkerjaan kepada pekerja untuk mencapai target produksi Pengoperasian mesin pengaduk, mesin penggiling dan mesin penjahit Pengoperasian forklift Melakukan pembagian upah dan absensi terhadap pegawai secara manual untuk lebih dari 50 pegawai Pendapatan 3 juta Praktek Kerja Lapangan di di Kantor Dinas Pendapatan Negara Medan Periode : Agustus 2014 Oktober 2014 Tujuan : Mata Kuliah Wajib Posisi : Konsultan IT dan Programmer Rincian Pekerjaan: Mengorganisir data 5 tahun dan lebih dan menyusunnya sehingga dapat di direkapitulasi. Membangun sebuah program dengan menggunakan Microsoft Excel dan Makro untuk menangani tunggakan pajak di seluruh Kabupaten Kota Medan Pendapatan : 0 E-3

17 : Bekerja di Scholars Hub sebagai pengajar dan pernah menjadi kepala divisi Rincian Pekerjaan: Melakukan pengajaran terhadap pelajaran Mate, Fisika dan Kimia untuk tingkat IGCSE, O Level dan A level untuk kurikulum internasional dan tingkat smp dan sma untuk tingkat nasional Melakukan pelatihan terhadap guru baru Melakukan evaluasi terhadap siswa Pendapatan : 5 juta Kemampuan Kemampuan Komputer Office 1. Microsoft Word 2. Microsoft Excel 3. Microsoft Power Point 4. Microsoft Access Design & Video 1. Adobe Photoshop 2. Adobe Dreamweaver 3. Adobe Ilustrator Pemrograman 1. Visual Studio 2. Eclipse 3. Visual Basic 4. Unity 5. MatLab 6. FoxPro Medan, 30 Januari 2017 Hormat saya, Ricky Steven E-4