LISTING PROGRAM
1. Form1.cs
using System;
using System.Collections.Generic; using System.Linq;
using System.Text;
using System.Threading.Tasks; using IronPython.Hosting; using Microsoft.Scripting;
using Microsoft.Scripting.Hosting; using System.IO;
using System.Diagnostics; using System.Windows.Forms; using System.Drawing; namespace program {
public partial class Form1 : Form {
public string imgPath; public string paddedImgPath; public string cipherteks; DateTime awal;
DateTime akhir; TimeSpan total; public Form1() {
InitializeComponent(); }
private void button1_Click(object sender, EventArgs e) {
DateTime awal; DateTime akhir; TimeSpan total; int waktupenyisipan; awal = DateTime.Now;
if (ekskey.Text == "" || ekskey.Text == "12345678" || ekskey.Text == "enkripsi")
{
MessageBox.Show("kunci tidak boleh kosong!", "Peringatan!", MessageBoxButtons.OK, MessageBoxIcon.Error);
} else {
Process p = new Process(); // create process (i.e., the python program
p.StartInfo.FileName = "C:\\Python27\\python.exe"; p.StartInfo.RedirectStandardOutput = true;
p.StartInfo.UseShellExecute = false; // make sure we can read the output from stdout
p.StartInfo.Arguments = "internal_key.py " + ekskey.Text; // start the python program with two parameters
p.Start(); // start the process (the python program) StreamReader s = p.StandardOutput;
string[] r = output.Split(new char[] { ' ' }); // get the parameter
string q = r[0];
//string[] words = q.Split('.'); intkey.Text = output;
p.WaitForExit(); akhir = DateTime.Now; total = akhir - awal;
waktupenyisipan = Convert.ToInt32(total.TotalMilliseconds); MessageBox.Show("Waktu pembangkitan kunci adalah: " + waktupenyisipan + " ms.");
} }
private void button3_Click(object sender, EventArgs e) {
DateTime awal; DateTime akhir; TimeSpan total; int waktupenyisipan; awal = DateTime.Now;
Process p = new Process(); // create process (i.e., the python program
p.StartInfo.FileName = "C:\\Python27\\python.exe"; p.StartInfo.RedirectStandardOutput = true;
p.StartInfo.UseShellExecute = false; // make sure we can read the output from stdout
p.StartInfo.Arguments = "enkripsi_pesan.py " +
plainText.Text.Replace(' ', '_') + " " + ekskey.Text;// start the python program with two parameters
p.Start(); // start the process (the python program) StreamReader s = p.StandardOutput;
String output = s.ReadToEnd();
string[] r = output.Split(new char[] { ' ' }); // get the parameter string q = r[0];
//string[] words = q.Split('.'); cipherText.Text = output;
cipherteks = output; p.WaitForExit(); akhir = DateTime.Now; total = akhir - awal;
waktupenyisipan = Convert.ToInt32(total.TotalMilliseconds); MessageBox.Show("Waktu enkripsi adalah: " + waktupenyisipan + " ms.");
}
private void button2_Click(object sender, EventArgs e) {
try {
plainText.Text="";
OpenFileDialog bukaPlainText = new OpenFileDialog(); bukaPlainText.InitialDirectory = "";
bukaPlainText.Filter = "File Text (*.txt)|*.txt"; bukaPlainText.FilterIndex = 1;
bukaPlainText.RestoreDirectory = true;
if (DialogResult.OK == bukaPlainText.ShowDialog()) {
StreamReader objReader = new StreamReader(bukaPlainText.FileName);
baca_teks = objReader.ReadLine(); while (baca_teks != null)
{
plainText.Text += baca_teks; baca_teks = objReader.ReadLine(); }
objReader.Close(); }
}
catch (Exception ex) {
MessageBox.Show("Terjadi Kesalah pada \n- " + ex.ToString()); }
}
private void button5_Click(object sender, EventArgs e) {
OpenFileDialog theDialog = new OpenFileDialog(); theDialog.Title = "Open Image File";
theDialog.Filter = "PNG(*.png)|*.png"; theDialog.InitialDirectory = @"D:\"; theDialog.ShowDialog();
if (theDialog.FileName.ToString() != "") {
Image image = Image.FromFile(theDialog.FileName.ToString()); pictureBox1.SizeMode = PictureBoxSizeMode.StretchImage; pictureBox1.Image = image;
imgPath = theDialog.FileName.ToString();
MessageBox.Show("Citra berhasil diimport!", "Informasi!", MessageBoxButtons.OK, MessageBoxIcon.Information);
} }
private void button14_Click_1(object sender, EventArgs e) {
DateTime awal; DateTime akhir; TimeSpan total; int waktupenyisipan; awal = DateTime.Now;
if (eksdek.Text == "" || eksdek.Text == "12345678" || eksdek.Text == "enkripsi")
{
MessageBox.Show("kunci tidak boleh kosong!", "Peringatan!", MessageBoxButtons.OK, MessageBoxIcon.Error);
} else {
Process p = new Process(); // create process (i.e., the python program
p.StartInfo.FileName = "C:\\Python27\\python.exe"; p.StartInfo.RedirectStandardOutput = true;
p.StartInfo.UseShellExecute = false; // make sure we can read the output from stdout
p.StartInfo.Arguments = "internal_key.py " + eksdek.Text; // start the python program with two parameters
StreamReader s = p.StandardOutput; String output = s.ReadToEnd();
string[] r = output.Split(new char[] { ' ' }); // get the parameter
string q = r[0];
//string[] words = q.Split('.'); intdek.Text= output;
p.WaitForExit(); p.WaitForExit(); akhir = DateTime.Now; total = akhir - awal;
waktupenyisipan = Convert.ToInt32(total.TotalMilliseconds); MessageBox.Show("Waktu pembangkitan kunci adalah: " + waktupenyisipan + " ms.");
} }
private void button12_Click_1(object sender, EventArgs e) {
DateTime awal; DateTime akhir; TimeSpan total; int waktupenyisipan; awal = DateTime.Now;
Process p = new Process(); // create process (i.e., the python program
p.StartInfo.FileName = "C:\\Python27\\python.exe"; p.StartInfo.RedirectStandardOutput = true;
p.StartInfo.UseShellExecute = false; // make sure we can read the output from stdout
p.StartInfo.Arguments = "dekripsi_pesan.py " + imgPath + " " + eksdek.Text;// start the python program with two parameters
p.Start(); // start the process (the python program) StreamReader s = p.StandardOutput;
String output = s.ReadToEnd();
string[] r = output.Split(new char[] { ' ' }); // get the parameter string q = r[0];
//string[] words = q.Split('.'); plaindek.Text = output;
p.Close();
akhir = DateTime.Now; total = akhir - awal;
waktupenyisipan = Convert.ToInt32(total.TotalMilliseconds); MessageBox.Show("Waktu dekripsi adalah: " + waktupenyisipan + " ms.");
}
private void button6_Click(object sender, EventArgs e) {
DateTime awal; DateTime akhir; TimeSpan total; int waktupenyisipan; awal = DateTime.Now;
Process p = new Process(); // create process (i.e., the python program
p.StartInfo.UseShellExecute = false; // make sure we can read the output from stdout
p.StartInfo.Arguments = "imgPadding.py " + imgPath + " " + ekskey.Text + " " + plainText.Text.Replace(' ', '_');// start the python program with two parameters
p.Start(); // start the process (the python program) StreamReader s = p.StandardOutput;
String output = s.ReadToEnd();
string[] r = output.Split(new char[] { ' ' }); // get the parameter string q = r[0];
string[] words = q.Split('.'); paddedImgPath = words[0];
FileStream fs = new FileStream(words[0] + ".png", FileMode.Open); Image image = Image.FromStream(fs);
pictureBox2.SizeMode = PictureBoxSizeMode.StretchImage; pictureBox2.Image = image;
fs.Close();
akhir = DateTime.Now; total = akhir - awal;
waktupenyisipan = Convert.ToInt32(total.TotalMilliseconds); MessageBox.Show("Pesan Berhasil disisipkan!", "Informasi!", MessageBoxButtons.OK, MessageBoxIcon.Information);
MessageBox.Show("Waktu penyisipan adalah: " + waktupenyisipan + " ms.");
p.Close(); }
private void button10_Click(object sender, EventArgs e) {
OpenFileDialog theDialog = new OpenFileDialog(); theDialog.Title = "Open Image File";
theDialog.Filter = "PNG(*.png)|*.png"; theDialog.InitialDirectory = @"D:\"; theDialog.ShowDialog();
if (theDialog.FileName.ToString() != "") {
Image image = Image.FromFile(theDialog.FileName.ToString()); pictureBox4.SizeMode = PictureBoxSizeMode.StretchImage; pictureBox4.Image = image;
imgPath = theDialog.FileName.ToString();
MessageBox.Show("Citra berhasil diimport!", "Informasi!", MessageBoxButtons.OK, MessageBoxIcon.Information);
} }
private void button9_Click(object sender, EventArgs e) {
DateTime awal; DateTime akhir; TimeSpan total; int waktupenyisipan; awal = DateTime.Now;
Process p = new Process(); // create process (i.e., the python program
p.StartInfo.FileName = "C:\\Python27\\python.exe"; p.StartInfo.RedirectStandardOutput = true;
p.StartInfo.Arguments = "imgExtractMsg.py " + imgPath;// start the python program with two parameters
p.Start(); // start the process (the python program) StreamReader s = p.StandardOutput;
String output = s.ReadToEnd();
string[] r = output.Split(new char[] { ' ' }); // get the parameter string q = r[0];
string[] words = q.Split('.'); chipdek.Text = words[0]; akhir = DateTime.Now; total = akhir - awal;
waktupenyisipan = Convert.ToInt32(total.TotalMilliseconds); MessageBox.Show("Pesan berhasil diekstrak!", "Informasi!", MessageBoxButtons.OK, MessageBoxIcon.Information);
MessageBox.Show("Waktu ekstrsi adalah: " + waktupenyisipan + " ms.");
p.Close(); }
private void button1_Click_1(object sender, EventArgs e) {
ekskey.Text = ""; plainText.Text = ""; intkey.Text = ""; cipherText.Text = ""; pictureBox1.Image = null; pictureBox2.Image = null; }
private void label7_Click(object sender, EventArgs e) {
}
private void button2_Click_1(object sender, EventArgs e) {
eksdek.Text = ""; chipdek.Text = ""; plaindek.Text = ""; intdek.Text = "";
pictureBox4.Image = null; }
} }
2. Function.py
import binascii import Image
def ascii_to_bit(message):
return bin(int(binascii.hexlify(message), 16)).replace("b", "").rjust(8,'0')
def bit_to_ascii(bit): ascii = '';
for i in range(0, len(bit), 8): n = int(bit[i:i+8], 2)
def divide_side(message_bit): i = 0
left = "" right = ""
half_size = len(message_bit)/2; while (i < half_size):
left = left + message_bit[i];
right = right + message_bit[i+half_size]; i+=1
return left,right
def get_key_plus_bit(key_bit):
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] key_plus_bit = []
for i in range(0, len(pc_1)):
key_plus_bit.append(key_bit[pc_1[i]-1]) return key_plus_bit
def shift_bit(pre_bit, num_of_shift): for i in range(num_of_shift): temp_bit = pre_bit[0] pre_bit = pre_bit[1:] pre_bit += temp_bit return pre_bit
def right_shift_bit(pre_bit, num_of_shift): for i in range(num_of_shift):
temp_bit = pre_bit[27] pre_bit = pre_bit[:27] pre_bit = temp_bit + pre_bit return pre_bit
def get_c1_to_c16(c, d):
shift = [1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1] for i in range(16):
c.append(shift_bit(c[i], shift[i])) d.append(shift_bit(d[i], shift[i])) return c, d
def join(c, d):
key_plus_block = [] for i in range(17):
key_plus_block.append(c[i]+d[i]) return key_plus_block
def get_key_plus_bit_2(cd_block):
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]
key_plus_bit_2 = []
for i in range(1, len(cd_block)): cd_temp = ""
for j in range (0, len(pc_2)):
cd_temp += cd_block[i][pc_2[j]-1]; key_plus_bit_2.append(cd_temp)
return key_plus_bit_2
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];
message_permutation_1 = "" for i in range(0, len(ip)):
message_permutation_1 += message[ip[i]-1]; return message_permutation_1
def e_bit(message):
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];
e_bit = ""
for i in range(0,len(e)): e_bit += message[e[i]-1]; return e_bit
def xor_bit(e_rn,kn, x): result_bit = ""
for i in range (0,len(e_rn)):
result_bit += xor(e_rn[i], kn[x][i]) return result_bit
def xor(bit1, bit2): if(bit1 == '1'): if(bit2=='1'): return'0' else:
return'1' else:
if(bit2=='1'): return '1' else:
return'0' def b_n(k_xor): b_n = [];
for i in range (0, len(k_xor), 6): temp = ""
for j in range(i, i + 6): temp += k_xor[j] b_n.append(temp) return b_n
def s_n(b_n, i, s):
row = int(b_n[i][0]+b_n[i][5], 2)
column = int(b_n[i][1]+b_n[i][2]+b_n[i][3]+b_n[i][4], 2) return bin(s[row][column]).replace("0b", "").zfill(4);
def f(s_box):
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];
temp = ""
for i in range(0, len(p)): temp+=(s_box[p[i]-1]) return temp
def rn(ln_min1, f): temp = ""
temp += xor(ln_min1[i], f[i]) return temp
def lnrn(kn, x, l, r): e = e_bit(r)
m = xor_bit(e, kn, x)
b = b_n(m)
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]];
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]];
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]];
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]];
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, 16], [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]];
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]];
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]];
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]];
s1b1 = s_n(b, 0, s1) s2b2 = s_n(b, 1, s2) s3b3 = s_n(b, 2, s3) s4b4 = s_n(b, 3, s4) s5b5 = s_n(b, 4, s5) s6b6 = s_n(b, 5, s6) s7b7 = s_n(b, 6, s7) s8b8 = s_n(b, 7, s8)
s_box = s1b1 + s2b2 + s3b3 + s4b4 + s5b5 + s6b6 + s7b7 + s8b8
f_var = f(s_box) result = rn(l, f_var) return result
ip_inv = [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, 42, 10, 50, 18, 58, 26, 33, 1, 41, 9, 49, 17, 57, 25];
temp = [];
for i in range(0, len(ip_inv)): temp.append(rnln[ip_inv[i]-1]); encrypt_m_bit = ''.join(temp) return encrypt_m_bit
def get_img_res(imgPath, param): if(param == 'height'): param = 0
else:
param = 1
img = Image.open(imgPath) imgSize = img.size return imgSize[param] def get_img_px(imgPath): img = Image.open(imgPath) imgPx = img.load()
x = get_img_res(imgPath, 'height'); # x -> height y = get_img_res(imgPath, 'width'); # y -> width plainPx = []
for i in range (x):
for j in range (y): plainPx.append(imgPx[i, j]) return plainPx
# Get blue pixels from image for padding process def get_bluePx0(rgbaPx):
bluePx = []
for i in range (0, len(rgbaPx)): bluePx.append(rgbaPx[i][2]) return bluePx
# Get blue pixels from image to get padded message def get_bluePx1(rgbaPx):
bluePx = []
for i in range (0, len(rgbaPx)):
if(rgbaPx[i][3] == 0): # If alpha 0, that's the message limit break
bluePx.append(rgbaPx[i][2]) return bluePx
def pad_bluePx(bluePx, msgBit): blueBit = []
for i in range(0, len(msgBit)):
bluePxList = list(bin(bluePx[i]).replace("0b", "")) bluePxList[len(bluePxList)-1] = msgBit[i]
joinedBluePx = ''.join(bluePxList) newBluePx = int(joinedBluePx, 2) blueBit.append(newBluePx)
return blueBit
def set_bluePx_in_plainPx(blue_pixel, plain_pixel): temp = []
plain_pixel[i] = temp return plain_pixel
def extract_bluePx(bluePx): msgBit = ''
for i in range(0, len(bluePx)):
bluePxList = list(bin(bluePx[i]).replace("0b", "")) msgBit += bluePxList[len(bluePxList)-1]
return msgBit
def create_png(imgPath, rgbaPx, imgName, msgLength): x = get_img_res(imgPath, 'height')# x -> height y = get_img_res(imgPath, 'width')# y -> width img = Image.new('RGBA', (x, y), 'white') k = 0
for i in range(x): for j in range(y): R = rgbaPx[k][0] G = rgbaPx[k][1] B = rgbaPx[k][2] if( k == msgLength ): A = 0
else: A = 255
img.putpixel((i, j), (R, G, B, A)) k += 1
return img.save(imgName, 'PNG') def get_key_bin(key):
key_bin = ascii_to_bit(key)
key_bin_pc1 = get_key_plus_bit(key_bin) key_bin_div = divide_side(key_bin_pc1) c0 = key_bin_div[0]
d0 = key_bin_div[1] c = [c0]
d = [d0]
key_bin_c1_c16 = get_c1_to_c16(c, d) c0 = key_bin_c1_c16[0]
d0 = key_bin_c1_c16[1] key_bin_join = join(c0,d0)
key_bin_pc2 = get_key_plus_bit_2(key_bin_join) return key_bin_pc2
def encrypt_m(key_bin_pc2, message): message_bin = ''
for i in range(0, 8):
temp_bin = ascii_to_bit(message[i]) message_bin += temp_bin
ip1 = message_permutation_1(message_bin)
message_divide = divide_side(ip1) l0 = message_divide[0]
r0 = message_divide[1] ln = l0
rn = r0 x = 0
rn = lnrn(key_bin_pc2, x, ln, rn) ln = r_temp
x += 1
rnln = str(rn) + str(ln)
joined_c = "" c = ip_min(rnln) joined_c += c return joined_c
def get_cipher_message(key_bin_pc2, message): padded_m = ''
for i in range(0, len(message), 8): char_length = len(message[i:i+8]) if ( char_length < 8 ):
padded_m += message[i:i+char_length].ljust(8,' ') else:
padded_m += message[i:i+8].ljust(8,' ')
message = padded_m join_e_m = ''
for i in range(0, len(message), 8):
join_e_m += encrypt_m(key_bin_pc2,message[i:i+8]) return join_e_m
def decrypt_m(key_bin_pc2, message_bin): ip1 = message_permutation_1(message_bin)
message_divide = divide_side(ip1) l0 = message_divide[0]
r0 = message_divide[1] ln = l0
rn = r0 x = 15
while(x >- 1): r_temp = rn
rn = lnrn(key_bin_pc2, x, ln, rn) ln = r_temp
x -= 1
rnln = str(rn) + str(ln)
joined_c = "" c = ip_min(rnln) joined_c += c return joined_c
def get_plain_message(key_bin_pc2, message): join_e_m = ''
for i in range(0, len(message), 64):
3. Internal_key.py
from function import * import sys
#mengambil nilai dari argument ekskey.text key = sys.argv[1]
key_bin_pc2 = get_key_bin(key) print str(key_bin_pc2)
4. Enkripsi_pesan.py
from function import * import binascii
import sys
message = sys.argv[1].replace('_', ' '); key = sys.argv[2]
key_bin_pc2 = get_key_bin(key)
print get_cipher_message(key_bin_pc2, message)
5. ImgPadding.py
from function import * import sys
imgPath = sys.argv[1] key = sys.argv[2]
message = sys.argv[3].replace('_', ' '); key_bin_pc2 = get_key_bin(key)
joined_c = get_cipher_message(key_bin_pc2, message) msgBit = joined_c
msgLength = len(msgBit) plainPx = get_img_px(imgPath) bluePx = get_bluePx0(plainPx)
paddedBluePx = pad_bluePx(bluePx, msgBit)
paddedPlainPx = set_bluePx_in_plainPx(paddedBluePx, plainPx) imgName = "D:\\PaddedImage.png"
6. Dekripsi_pesan.py
from function import * import binascii
import sys
key = sys.argv[2] imgPath = sys.argv[1]
key_bin_pc2 = get_key_bin(key) plainPx = get_img_px(imgPath) bluePx = get_bluePx1(plainPx) message = extract_bluePx(bluePx)
plain_bit = get_plain_message(key_bin_pc2, message) print bit_to_ascii(plain_bit)
7. ImgExtractMsg.py
from function import * import sys
imgPath = sys.argv[1]
