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Implementasi Kriptografi Hybrid Algoritma Elgamal dan Double Playfair Cipher Dalam Pengamanan File JPEG Berbasis Desktop

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(1)

LISTING PROGRAM keygenerator.cs

using System;

using System.Drawing;

using System.Windows.Forms; using System.Numerics; using System.IO;

namespace Skripsiku {

/// <summary>

/// Description of keygenerator. /// </summary>

public partial class keygenerator : Form {

int p,alpa,d, beta;

Random r = new Random(); public keygenerator() {

//

// The InitializeComponent() call is required for Windows Forms designer support. //

InitializeComponent();

//

// TODO: Add constructor code after the InitializeComponent() call. //

}

public int modexp(int x, int y, int n) {

int z = 1;

for (int i = 0; i < y ; i++){ z = (x * z) % n;

}

return z; }

public int PseudoPrime(int n) {

BigInteger modularExponentiation = BigInteger.ModPow(2,n-1, n); if (modularExponentiation == 1)

{

return n; }

else {

(2)

} }

void MenuToolStripMenuItemClick(object sender, EventArgs e) {

MainForm menampilkan = new MainForm(); menampilkan.Show();

this.Hide(); }

void AboutToolStripMenuItemClick(object sender, EventArgs e) {

About menampilkan = new About(); menampilkan.Show();

this.Hide(); }

void KeyGeneratorToolStripMenuItemClick(object sender, EventArgs e) {

keygenerator menampilkan = new keygenerator(); menampilkan.Show();

this.Hide(); }

void HelpToolStripMenuItemClick(object sender, EventArgs e) {

Help menampilkan = new Help(); menampilkan.Show();

this.Hide(); }

void EnkripsiToolStripMenuItemClick(object sender, EventArgs e) {

enkripsi menampilkan = new enkripsi(); menampilkan.Show();

this.Hide();

}

void DekripsiToolStripMenuItemClick(object sender, EventArgs e) {

dekripsi menampilkan = new dekripsi(); menampilkan.Show();

this.Hide(); }

void KeygeneratorLoad(object sender, EventArgs e) {

(3)

}

void Button2Click(object sender, EventArgs e) {

SaveFileDialog simpan = new SaveFileDialog(); simpan.Filter = "key Files( *.key)|*.key";

simpan.FileName = "*.key";

if (simpan.ShowDialog() == DialogResult.OK) {

string filename = simpan.FileName.Substring(0, simpan.FileName.Length 3) + "key";

FileStream fstream = new FileStream(filename, FileMode.Create); StreamWriter sw = new StreamWriter(fstream);

SeekOrigin seekorigin = new SeekOrigin(); sw.BaseStream.Seek(0, seekorigin);

sw.WriteLine(textBox1.Text); sw.WriteLine(textBox4.Text); sw.Flush();

sw.Close();

MessageBox.Show("kunci berhasil disimpan");

} }

void Btn_publicClick(object sender, EventArgs e) {

SaveFileDialog simpan = new SaveFileDialog(); simpan.Filter = "key Files( *.key)|*.key";

simpan.FileName = "*.key";

if (simpan.ShowDialog() == DialogResult.OK) {

string filename = simpan.FileName.Substring(0, simpan.FileName.Length 3) + "key";

FileStream fstream = new FileStream(filename, FileMode.Create); StreamWriter sw = new StreamWriter(fstream);

SeekOrigin seekorigin = new SeekOrigin(); sw.BaseStream.Seek(0, seekorigin);

sw.WriteLine(textBox1.Text); sw.WriteLine(textBox2.Text); sw.WriteLine(textBox4.Text); sw.Flush();

sw.Close();

MessageBox.Show("kunci berhasil disimpan");

(4)

void Btn_generateClick(object sender, EventArgs e) {

p = PseudoPrime(r.Next(257,5000)); textBox1.Text = p.ToString(); alpa = r.Next(2,p-1);

textBox2.Text = alpa.ToString(); d = r.Next(2,p-2);

textBox3.Text = d.ToString(); beta = modexp(alpa,d,p);

textBox4.Text = beta.ToString(); }

} }

enkripsi.cs

using System;

using System.Collections.Generic; using System.Drawing;

using System.IO;

using System.Windows.Forms;

namespace Skripsiku {

/// <summary>

/// Description of enkripsi. /// </summary>

public partial class enkripsi : Form {

Random rnd = new Random(); List<int> c1 = new List<int>(); List<int> c2 = new List<int>(); List<int> plain = new List<int>(); List<int> cpher = new List<int>(); int prime, alpa, beta, r;

string plainkey;

Bitmap gambarasli, gambarenkrip; int[] angka = new int[256];

int[] aangka = new int[256]; int ab = 0;

int aab = 0; public enkripsi() {

//

// The InitializeComponent() call is required for Windows Forms designer support. //

(5)

//

// TODO: Add constructor code after the InitializeComponent() call. //

}

void MenuToolStripMenuItemClick(object sender, EventArgs e) {

MainForm menampilkan = new MainForm(); menampilkan.Show();

this.Hide(); }

void AboutToolStripMenuItemClick(object sender, EventArgs e) {

About menampilkan = new About(); menampilkan.Show();

this.Hide(); }

void HelpToolStripMenuItemClick(object sender, EventArgs e) {

Help menampilkan = new Help(); menampilkan.Show();

this.Hide(); }

void EnkripsiToolStripMenuItemClick(object sender, EventArgs e) {

enkripsi menampilkan = new enkripsi(); menampilkan.Show();

this.Hide();

}

void DekripsiToolStripMenuItemClick(object sender, EventArgs e) {

dekripsi menampilkan = new dekripsi(); menampilkan.Show();

this.Hide(); }

void KeyGToolStripMenuItemClick(object sender, EventArgs e) {

keygenerator menampilkan = new keygenerator(); menampilkan.Show();

this.Hide(); }

(6)

OpenFileDialog ofd = new OpenFileDialog();

ofd.InitialDirectory = @"D:\"; // menentukan direktori awal saat browse file ofd.Title = "Browse Image File"; //set title pada window browse file

ofd.CheckFileExists = true; // set pengecekan file harus ada atau valid ofd.DefaultExt = "jpeg"; // set tipe file default

ofd.Filter = "image files|*.jpg;*.png"; // filter untuk menentukan file apa saja yang boleh dipilih

ofd.FilterIndex = 0; // menentukan filter index, index dimulai dari nol ofd.RestoreDirectory = true; // menentukan nilai restorasi direktori

ofd.ReadOnlyChecked = true; // set nilai bahwa file hanya akan dibaca atau read ofd.ShowReadOnly = true; // set nilai untuk menampilkan file

if (ofd.ShowDialog() == DialogResult.OK) {

// jika sudah, tampilkan gambar dalam pictureBox dengan mode Stretch(disesuaikan dengan picturebox)

pictureBox1.Image = new Bitmap(ofd.FileName);

pictureBox1.SizeMode = PictureBoxSizeMode.StretchImage; }

}

void PictureBox1Click(object sender, EventArgs e) {

}

void EnkripsiLoad(object sender, EventArgs e) {

}

public int modexp(int x, int y, int n) {

int z = 1;

for (int i = 0; i < y ; i++){ z = (x * z) % n;

}

return z; }

public int modexp(int x, int z, int y, int n) {

for (int i = 0; i < y ; i++){ z = (x * z) % n;

}

return z; }

(7)

plainkey = textBox1.Text + "~" + textBox2.Text; prime=int.Parse(textBox3.Text);

alpa =int.Parse(textBox4.Text); beta =int.Parse(textBox5.Text); do

{

r = rnd.Next(1,prime-1); }

while(r>= (prime-1));

for (int i=0; i<plainkey.Length;i++) {

c1.Add(modexp(alpa,r,prime));

c2.Add(modexp(beta,plainkey[i],r,prime)); }

MessageBox.Show("berhasil dienkripsi"); }

void Button8Click(object sender, EventArgs e) {

SaveFileDialog simpan = new SaveFileDialog(); simpan.Filter = "Encrypted Files( *.egl)|*.egl"; simpan.FileName = "*.egl";

if (simpan.ShowDialog() == DialogResult.OK) {

FileStream

fstream=new FileStream(simpan.FileName,FileMode.OpenOrCreate); StreamWriter sw = new StreamWriter(fstream);

SeekOrigin seekorigin = new SeekOrigin(); sw.BaseStream.Seek(0, seekorigin);

for(int i=0; i<c1.Count; i++) {

sw.WriteLine(c1[i]); sw.WriteLine(c2[i]); }

sw.Flush(); sw.Close(); }

}

void Button3Click(object sender, EventArgs e) {

SaveFileDialog save = new SaveFileDialog(); save.Filter = "Image Files(*.jpeg) | *.jpeg"; if (save.ShowDialog() == DialogResult.OK) {

pictureBox1.Image.Save(save.FileName, System.Drawing.Imaging.ImageFormat.B mp);

(8)

} }

void Button4Click(object sender, EventArgs e) {

gambarasli = new Bitmap(pictureBox1.Image); int x = gambarasli.Height;

int y = gambarasli.Width; double rd=0,bl=0,gr=0,gy=0;

Bitmap imageabu = new Bitmap(x,y); for (int i = 0; i <= x-1; i++)

{

for (int j = 0; j <= y-1; j++) {

rd = gambarasli.GetPixel(i,j).R; gr = gambarasli.GetPixel(i,j).G; bl = gambarasli.GetPixel(i,j).B; gy = (rd*0.3 + gr*0.59 + bl*0.11);

imageabu.SetPixel(i,j,Color.FromArgb((int)gy,(int)gy,(int)gy)); gy = 0;

} }

pictureBox1.Image= imageabu; }

bool cekKunci(int huruf) {

for (int i = 0; i < ab; i++) {

if (angka[i] == huruf) return false;

}

angka[ab] = huruf; ab++;

return true; }

bool ccekKunci(int huruf) {

for (int i = 0; i < aab; i++) {

if (aangka[i] == huruf) return false;

}

aangka[aab] = huruf; aab++;

return true; }

(9)

private void enkripsii(int a, int b, int[,] Matrik1, int[,] Matrik2) {

bool limit = false;

int[] bigramx = new int[2]; int[] bigramy = new int[2]; for (int i = 0; i < 16; i++) {

for (int j = 0; j < 16; j++) {

if (a == Matrik1[i, j]) {

bigramx[0] = i; bigramy[0] = j; limit = true; if (limit == true) break;

} }

if (limit == true) break;

}

limit = false;

for (int i = 0; i < 16; i++) {

for (int j = 0; j < 16; j++) {

if (b == Matrik2[i, j]) {

bigramx[1] = i; bigramy[1] = j; limit = true; if (limit == true) break;

} }

if (limit == true) break;

}

if (bigramx[0] == bigramx[1]) {

if ((bigramy[0] == 15)) {

cpher.Add(Matrik1[bigramx[0],0]); }

else {

cpher.Add(Matrik1[bigramx[0],(bigramy[0]+1)]); }

(10)

cpher.Add(Matrik2[bigramx[1],0]); }

else {

cpher.Add(Matrik2[bigramx[1],(bigramy[1]+1)]); }

} else {

cpher.Add(Matrik2[bigramx[0],bigramy[1]]); cpher.Add(Matrik1[bigramx[1],bigramy[0]]); }

}

void Button2Click(object sender, EventArgs e) {

gambarasli = new Bitmap(pictureBox1.Image); int xx = gambarasli.Height;

int yy = gambarasli.Width; plain = new List<int>(); cpher = new List<int>(); angka = new int[256]; aangka = new int[256]; ab = 0;

aab = 0;

string kunci1 = textBox1.Text; string kunci2 = textBox1.Text; int PKunci1 = kunci1.Length; int PKunci2 = kunci2.Length; int[,] Matrik1 = new int[16,16]; int[,] Matrik2 = new int[16,16]; int a = 0, pixel = 0;

//tabel1

for (int i = 0; i < 16; i++) {

for (int j = 0; j < 16; j++) {

if (a < PKunci1) {

if (cekKunci(kunci1[a]) == true) Matrik1[i, j] = kunci1[a]; else

j--; a++; } else {

(11)

Matrik1[i, j] = pixel; else

j--; pixel++; }

} } a=0; pixel=0; //tabel2

for (int i = 0; i < 16; i++) {

for (int j = 0; j < 16; j++) {

if (a < PKunci1) {

if (ccekKunci(kunci2[a]) == true) Matrik2[i, j] = kunci2[a]; else

j--; a++; } else {

if (ccekKunci(pixel) == true) Matrik2[i, j] = pixel; else

j--; pixel++; }

} }

//ambil plaintext

for (int i = 0; i <= xx-1; i++) {

for (int j = 0; j <= yy-1; j++) {

plain.Add(gambarasli.GetPixel(i,j).R); }

}

//enkrip

if (plain.Count % 2 != 0) plain.Add(255);

for (int i = 0; i < plain.Count; i+=2) {

enkripsii(plain[i],plain[i+1], Matrik1, Matrik2); }

(12)

//jadikan gambar int indeks = 0;

gambarenkrip = new Bitmap(xx,yy); for (int i = 0; i <= xx-1; i++)

{

for (int j = 0; j <= yy-1; j++) {

gambarenkrip.SetPixel(i,j,Color.FromArgb((int)cpher[indeks],(int)cpher[indek s],(int)cpher[indeks]));

indeks++; }

}

pictureBox1.Image= gambarenkrip;

for (int i = 0; i < 10; i++) {

richTextBox1.Text += plain[i].ToString() + " "; }

for (int i = 0; i < 10; i++) {

richTextBox2.Text += cpher[i].ToString()+ " "; }

}

string tipe;

OpenFileDialog dialog;

private void button5_Click(object sender, EventArgs e) {

//import dari key generator dialog = new OpenFileDialog(); dialog.Filter = "File Kunci|*.key"; dialog.Title = "Open File : "; dialog.RestoreDirectory = true;

if (dialog.ShowDialog() == DialogResult.OK) {

tipe = dialog.FileName.Substring(dialog.FileName.Length - 3, 3); if (tipe == "key")

{

string[] lines = File.ReadAllLines(dialog.FileName); textBox3.Text = lines[0];

textBox4.Text = lines[1]; textBox5.Text = lines[2]; }

(13)

} }

dekripsi.cs

using System;

using System.Collections.Generic; using System.Drawing;

using System.IO;

using System.Windows.Forms;

namespace Skripsiku {

/// <summary>

/// Description of dekripsi. /// </summary>

public partial class dekripsi : Form {

Random rnd = new Random(); List<int> c1 = new List<int>(); List<int> c2 = new List<int>(); List<int> plain = new List<int>(); List<int> cpher = new List<int>(); int prime, d;

string plainkey;

Bitmap gambarasli, gambarenkrip; int[] angka = new int[256];

int[] aangka = new int[256]; int ab = 0;

int aab = 0; public dekripsi() {

//

// The InitializeComponent() call is required for Windows Forms designer support. //

InitializeComponent();

//

// TODO: Add constructor code after the InitializeComponent() call. //

}

void MenuToolStripMenuItemClick(object sender, EventArgs e) {

MainForm menampilkan = new MainForm(); menampilkan.Show();

this.Hide(); }

(14)

void AboutToolStripMenuItemClick(object sender, EventArgs e) {

About menampilkan = new About(); menampilkan.Show();

this.Hide(); }

void KeyGeneratorToolStripMenuItemClick(object sender, EventArgs e) {

keygenerator menampilkan = new keygenerator(); menampilkan.Show();

this.Hide(); }

void HelpToolStripMenuItemClick(object sender, EventArgs e) {

Help menampilkan = new Help(); menampilkan.Show();

this.Hide(); }

void EnkripsiToolStripMenuItemClick(object sender, EventArgs e) {

enkripsi menampilkan = new enkripsi(); menampilkan.Show();

this.Hide();

}

void DekripsiToolStripMenuItemClick(object sender, EventArgs e) {

dekripsi menampilkan = new dekripsi(); menampilkan.Show();

this.Hide(); }

void Button1Click(object sender, EventArgs e) {

OpenFileDialog ofd = new OpenFileDialog();

ofd.InitialDirectory = @"D:\"; // menentukan direktori awal saat browse file ofd.Title = "Browse Image File"; //set title pada window browse file

ofd.CheckFileExists = true; // set pengecekan file harus ada atau valid ofd.DefaultExt = "jpeg"; // set tipe file default

ofd.Filter = "image files|*.jpeg;*.png"; // filter untuk menentukan file apa saja yang boleh dipilih

(15)

ofd.RestoreDirectory = true; // menentukan nilai restorasi direktori

ofd.ReadOnlyChecked = true; // set nilai bahwa file hanya akan dibaca atau read ofd.ShowReadOnly = true; // set nilai untuk menampilkan file

if (ofd.ShowDialog() == DialogResult.OK) {

// jika sudah, tampilkan gambar dalam pictureBox dengan mode Stretch(disesuaikan dengan picturebox)

pictureBox1.Image = new Bitmap(ofd.FileName);

pictureBox1.SizeMode = PictureBoxSizeMode.StretchImage; }

}

void PictureBox1Click(object sender, EventArgs e) {

}

void Label4Click(object sender, EventArgs e) {

}

void Button7Click(object sender, EventArgs e) {

dialog = new OpenFileDialog();

dialog.Filter = "Encrypted Files( *.egl)|*.egl"; dialog.Title = "Open File : ";

dialog.RestoreDirectory = true;

if (dialog.ShowDialog() == DialogResult.OK) {

tipe = dialog.FileName.Substring(dialog.FileName.Length - 3, 3); if (tipe == "egl")

{

string[] lines = File.ReadAllLines(dialog.FileName); textBox3.Text = lines[0];

textBox4.Text = lines[1]; }

} }

public int modexp(int x, int z, int y, int n) {

for (int i = 0; i < y ; i++){ z = (x * z) % n;

}

return z; }

(16)

void Button6Click(object sender, EventArgs e) {

prime=int.Parse(textBox1.Text); d =int.Parse(textBox2.Text); plainkey = "";

for (int i=0; i<c1.Count;i++) {

plainkey += (char)(modexp(c1[i],c2[i],(prime-1-d),prime)); }

string[] k = new string[2]; k = plainkey.Split('~'); textBox3.Text = k[0]; textBox4.Text = k[1]; }

bool cekKunci(int huruf) {

for (int i = 0; i < ab; i++) {

if (angka[i] == huruf) return false;

}

angka[ab] = huruf; ab++;

return true; }

bool ccekKunci(int huruf) {

for (int i = 0; i < aab; i++) {

if (aangka[i] == huruf) return false;

}

aangka[aab] = huruf; aab++;

return true; }

private void dekripsii(int a, int b, int[,] Matrik1, int[,] Matrik2) {

bool limit = false;

int[] bigramx = new int[2]; int[] bigramy = new int[2]; for (int i = 0; i < 16; i++) {

for (int j = 0; j < 16; j++) {

(17)

bigramx[0] = i; bigramy[0] = j; limit = true; if (limit == true) break;

} }

if (limit == true) break;

}

limit = false;

for (int i = 0; i < 16; i++) {

for (int j = 0; j < 16; j++) {

if (b == Matrik1[i, j]) {

bigramx[1] = i; bigramy[1] = j; limit = true; if (limit == true) break;

} }

if (limit == true) break;

}

if (bigramx[0] == bigramx[1]) {

if ((bigramy[1] == 0)) {

cpher.Add(Matrik1[bigramx[1],15]); }

else {

cpher.Add(Matrik1[bigramx[1],(bigramy[1]-1)]); }

if ((bigramy[0] == 0)) {

cpher.Add(Matrik2[bigramx[0],15]); }

else {

cpher.Add(Matrik2[bigramx[0],(bigramy[0]-1)]); }

} else {

(18)

}

void Button2Click(object sender, EventArgs e) {

gambarasli = new Bitmap(pictureBox1.Image); int xx = gambarasli.Height;

int yy = gambarasli.Width; plain = new List<int>(); cpher = new List<int>(); angka = new int[256]; aangka = new int[256]; ab = 0;

aab = 0;

string kunci1 = textBox3.Text; string kunci2 = textBox4.Text; int PKunci1 = kunci1.Length; int PKunci2 = kunci2.Length; int[,] Matrik1 = new int[16,16]; int[,] Matrik2 = new int[16,16]; int a = 0, pixel = 0;

//tabel1

for (int i = 0; i < 16; i++) {

for (int j = 0; j < 16; j++) {

if (a < PKunci1) {

if (cekKunci(kunci1[a]) == true) Matrik1[i, j] = kunci1[a]; else

j--; a++; } else {

if (cekKunci(pixel) == true) Matrik1[i, j] = pixel; else

j--; pixel++; }

} } a=0; pixel=0; //tabel2

(19)

for (int j = 0; j < 16; j++) {

if (a < PKunci1) {

if (ccekKunci(kunci2[a]) == true) Matrik2[i, j] = kunci2[a]; else

j--; a++; } else {

if (ccekKunci(pixel) == true) Matrik2[i, j] = pixel; else

j--; pixel++; }

} }

//ambil plaintext

for (int i = 0; i <= xx-1; i++) {

for (int j = 0; j <= yy-1; j++) {

plain.Add(gambarasli.GetPixel(i,j).R); }

}

//enkrip

if (plain.Count % 2 != 0) plain.Add(255);

for (int i = 0; i < plain.Count; i+=2) {

dekripsii(plain[i],plain[i+1], Matrik1, Matrik2); }

//jadikan gambar int indeks = 0;

gambarenkrip = new Bitmap(xx,yy); for (int i = 0; i <= xx-1; i++)

{

for (int j = 0; j <= yy-1; j++) {

gambarenkrip.SetPixel(i,j,Color.FromArgb((int)cpher[indeks],(int)cpher[indek s],(int)cpher[indeks]));

(20)

}

pictureBox1.Image= gambarenkrip;

for (int i = 0; i < 10; i++) {

richTextBox1.Text += plain[i].ToString() + " "; }

for (int i = 0; i < 10; i++) {

richTextBox2.Text += cpher[i].ToString()+ " "; }

}

string tipe;

OpenFileDialog dialog;

private void button5_Click(object sender, EventArgs e) {

dialog = new OpenFileDialog(); dialog.Filter = "File Kunci|*.key"; dialog.Title = "Open File : "; dialog.RestoreDirectory = true;

if (dialog.ShowDialog() == DialogResult.OK) {

tipe = dialog.FileName.Substring(dialog.FileName.Length - 3, 3); if (tipe == "key")

{

string[] lines = File.ReadAllLines(dialog.FileName); textBox1.Text = lines[0];

textBox2.Text = lines[1]; }

} }

private void groupBox3_Enter(object sender, EventArgs e) {

}

private void button4_Click(object sender, EventArgs e) {

gambarasli = new Bitmap(pictureBox1.Image); int x = gambarasli.Height;

int y = gambarasli.Width;

(21)

{

for (int j = 0; j <= y - 1; j++) {

rd = gambarasli.GetPixel(i, j).R; gr = gambarasli.GetPixel(i, j).G; bl = gambarasli.GetPixel(i, j).B; gy = (rd * 0.3 + gr * 0.59 + bl * 0.11);

imageabu.SetPixel(i, j, Color.FromArgb((int)gy, (int)gy, (int)gy)); gy = 0;

} }

pictureBox1.Image = imageabu; }

private void button3_Click(object sender, EventArgs e) {

}

void Button3Click(object sender, EventArgs e) {

SaveFileDialog save = new SaveFileDialog(); save.Filter = "Image Files(*.jpeg) | *.jpeg"; if (save.ShowDialog() == DialogResult.OK) {

pictureBox1.Image.Save(save.FileName, System.Drawing.Imaging.ImageFormat.B mp);

MessageBox.Show("Gambar tersimpan"); }

(22)

D

AFTAR

R

IWAYAT

H

IDUP

CURRICULUM VITAE

I. DATA PRIBADI / Personal Identification

Nama Lengkap

: Nanda Safrina

Tempat/ Tgl. Lahir

: Medan/ 05 Juli 1995 Jenis Kelamin : Perempuan

Agama : Islam Kebangsaan : Indonesia

Alamat : Jl. Sewindu no.41 Medan Kec. Medan Petisah.

Telepon : 081263709095

Email : nanda.safrina@gmail.com

II. PENDIDIKAN FORMAL / Formal Education

• [ 2013 – 2017 ] S1 Ilmu Komputer, Fakultas Ilmu Komputer dan Teknologi Informasi Universitas Sumatera Utara

• [ 2010 – 2013 ] MAS Miftahussalam Medan

• [ 2007 – 2010 ] SMP Negeri 19 Medan

• [ 2001 – 2007 ] SD MIN Medan

III. PENDIDIKAN NON-FORMAL / Informal Education

• -

IV. PELATIHAN DAN SEMINAR / Trainings & Workshop

1) Peserta Workshop “Bank Indonesia Goes To Campus Bersama NET.”, Universitas Sumatera Utara [2016]

2) Peserta “Pelatihan Standar Layanan Perbankan.”, PT. Bank Negara Indonesia (Persero) Tbk. Kantor Wilayah Medan [2016]

3) Peserta Seminar Nasional Literasi Informasi (SENARAI) Fasilkom-TI Universitas Sumatera Utara [2014]

4) Peserta Seminar “What Will You Be?” IMILKOM Universitas Sumatera Utara [2013]

V. LAINNYA / Others

1) Penerima Beasiswa PPA (Peningkatan Prestasi Akademik) dan Program Kreativitas Mahasiswa [2014]

Referensi

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