LISTING PROGRAM
1.
Bahasa Python
1.1.
Module
gate.py
import sys sys.path.append("C:\skrip") import pythonA def gerbang(fungsi): if(fungsi == "bangkitKunci"):from pythonA import bangkitkanKunci p, q, n = bangkitkanKunci()
print(p, q, n)
elif(fungsi == "cekKunci"): from pythonA import cekKunci hasil = cekKunci(b,c)
print(hasil)
elif(fungsi == "enkripsi"):
from pythonA import programEnkripsi C = programEnkripsi(d, b)
for i in range(len(C)): print(C[i], end = " ")
elif(fungsi == "dek"):
from pythonA import decryptCiphertext cetak = decryptCiphertext(d, b, c) for i in range(len(cetak)):
print(cetak[i], end = " ") elif(fungsi == "dek2"):
from pythonA import decryptCiphertext2 cetak = decryptCiphertext2(d, b, c) for i in range(len(cetak)):
print(cetak[i], end = " ") elif(fungsi == "cari"):
from pythonA import cariHitamDariPath hasil = cariHitamDariPath(d, b) for i in range(len(hasil)): print(hasil[i], end = '') if(i < len(hasil)-1): print(',', end = '') elif(fungsi == "embed"):
from pythonA import jalankanSisip stroutput = jalankanSisip(d, e, b) print(stroutput)
elif(fungsi == "ekstrak"):
from pythonA import jalankanEkstrak stroutput = jalankanEkstrak(d) print(stroutput) global a a = str(sys.argv[1]) global b b = int(sys.argv[2]) global c c = int(sys.argv[3]) global d d = str(sys.argv[4])
global e
e = str(sys.argv[5]) gerbang(a)
1.2.
Module
pythonA.py
import random, time class Timer(object): '''
timer starts with class initialisation '''
def __init__(self): self.t1= time.time() self.t2= time.time() def getElapsedlTime(self):
# gets total elapsed from class initialsation self.delta=time.time()-self.t1
return '{0:.3f}'.format(self.delta) def getTimeDifference(self):
# gets time elapsed from previous reading (for first reading this is equal to total time elapsed getElapsedlTime() self.delta=time.time()-self.t2 self.t2 = time.time() return '{0:.3f}'.format(self.delta) def differentRandom(n): x = []
for i in range(0, len(str(n))): a = random.randint(2,n-1) while a in x: a = random.randint(2,n-1) x.append(a) return x def toBin(x): return "{0:b}".format(x) def ntobin(n): return toBin(n-1) def modExpSAM(x, y, z): b = toBin(y) t = len(b) result = 1 for i in range(0, t):
result = (result * result) % z
if(b[i] == "1"): result = (result * x) % z return result
def moduloEks(acak, y, bil): z = 1 for j in range (1, y + 1): z = (acak * z) % bil return z def fermatPrime(x): y = x - 1
# panjang digit untuk pengetesan iterasi = len(str(x)) * 2
if(iterasi < 3): iterasi = 3
for i in range (0, iterasi): acak = random.randint(1, y) if(moduloEks(acak, y, x) != 1): return False return True def isPrime(x): lowPrimes = [2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73 ,79,83,89,97,101,103,107,109,113,127,131,137,139,149,151,15 7,163,167,173,179,181,191,193,197,199,211,223,227,229,233,2 39,241,251,257,263,269,271,277,281,283,293,307,311,313,317, 331,337,347,349,353,359,367,373,379,383,389,397,401,409,419 ,421,431,433,439,443,449,457,461,463,467,479,487,491,499,50 3,509,521,523,541,547,557,563,569,571,577,587,593,599,601,6 07,613,617,619,631,641,643,647,653,659,661,673,677,683,691, 701,709,719,727,733,739,743,751,757,761,769,773,787,797,809 ,811,821,823,827,829,839,853,857,859,863,877,881,883,887,90 7,911,919,929,937,941,947,953,967,971,977,983,991,997] if x in lowPrimes: return True elif x & 1 != 0: return fermatPrime(x) return False def bangkitkanKunci(): syarat_tdk_terpenuhi = True while syarat_tdk_terpenuhi: p = random.randint(3,10000) if (p % 4 == 3) and isPrime(p): syarat_tdk_terpenuhi = False syarat_tdk_terpenuhi = True while syarat_tdk_terpenuhi: q = random.randint(3,10000)
if (q != p) and (q % 4 == 3) and isPrime(q): syarat_tdk_terpenuhi = False
n = p * q return p, q, n
def cekKunci(key1, key2):
if (key1 % 4 == 3) and isPrime(key1) and (key2 % 4 == 3) and isPrime(key2) and (key1 != key2):
return "T" else:
def enkripsi(P, n): if P < n: C = modExpSAM(P,2,n) return C return False def encryptAll(P, n): C = []
for i in range(0, len(P)):
C.append(enkripsi(ord(P[i]),n)) if C[i] == False:
break; return C
def programEnkripsi(plaintext, kunciPublik): measure=Timer() P = str(plaintext) n = int(kunciPublik) C = encryptAll(P, n) C.append(measure.getElapsedlTime()) return C def extEuclid(a,b): A, B, x, lastx, y, lasty = a, b, 1, 0, 0, 1 while (B > 0): hasilBagi = A//B sisaBagi = A - hasilBagi * B A, B = B, sisaBagi S = x - hasilBagi * lastx x, lastx = lastx, S T = y - hasilBagi * lasty y, lasty = lasty, T return A, x, y def CRT(mp, mq, p, q): n = p * q M1 = n // p M2 = n // q gcd, y1, y2 = extEuclid(M1,M2) return mp*M1*y1, mq*M2*y2, n def autoDekripsi(C, p, q): mp = modExpSAM(C, (p+1)//4, p) mq = modExpSAM(C, (q+1)//4, q) x, y, n = CRT(mp,mq,p,q) P1 = (x + y) % n P2 = (x - y) % n P3 = (-x + y) % n P4 = (-x - y) % n return min(P1, P2, P3, P4) def autoDekripsirabin(C, p, q): mp = modExpSAM(C, (p+1)//4, p) mq = modExpSAM(C, (q+1)//4, q) x, y, n = CRT(mp,mq,p,q)
P1 = (x + y) % n P2 = (x - y) % n P3 = (-x + y) % n P4 = (-x - y) % n return min(P1, P2, P3, P4), P1, P2, P3, P4 def convertListStringCToInt(C): hasil = [] c = C.split(',') for i in c: hasil.append(int(i)) return hasil def decryptCiphertext2(C, p, q): measure=Timer() C = convertListStringCToInt(C) P = []
for i in range(0, len(C)):
minP = autoDekripsi(C[i], p , q) P.append(chr(minP)) stringP = ''.join(P) et = measure.getElapsedlTime() cetak = [] cetak.append(stringP) cetak.append(et) temp = tulisHasilDekripsi(stringP) return cetak def decryptCiphertext(C, p, q): measure=Timer() C = list(C) ordo = [] for i in range(len(C)): ordo.append(ord(C[i])) C = ordo P = []
for i in range(0, len(C)):
minP = autoDekripsi(C[i], p , q) P.append(chr(minP)) stringP = ''.join(P) et = measure.getElapsedlTime() cetak = [] cetak.append(stringP) cetak.append(et) temp = tulisHasilDekripsi(stringP) return cetak class Convert:
def toLI(self, string): temp = string.split(',') temp2 = [] for e in temp: temp2.append(int(e)) return temp2 def toSI(self, L): temp = ""
for i in range(len(L)): temp += str(L[i]) if(i < len(L)-1): temp += ',' return temp def toDec(self, P): temp = [] for i in range(len(P)): temp.append(ord(P[i])) return temp
def toASCII(self, string): string = self.toLI(string) temp = "" for e in string: temp += chr(e) return temp #hasil = isPrime(100) #print(hasil)
2.
Bahasa C#
2.1.
Fungsi Pembangkit Kunci pada
FormPembangkitKunci.cs
public void runPythonBangkitKunci(){
ProcessStartInfo p = new ProcessStartInfo(); p.FileName = "c:\\Python33\\python.exe"; p.RedirectStandardOutput = true;
p.UseShellExecute = false;
p.Arguments = "c:\\skrip\\gate.py "+ "bangkitKunci 0 0 'x' 'x'"; // start the python program with two parameters
try{
using(Process exeProc = Process.Start(p)){ StreamReader s = exeProc.StandardOutput; String output = s.ReadToEnd();
string []r = output.Split(new char[]{' '});
textBoxKunciP.Text = r[0].ToString(); textBoxKunciQ.Text = r[1].ToString(); textBoxKunciN.Text = r[2].ToString();
} }
catch{
MessageBox.Show("Gagal melakukan pembangkit kunci.", "Kesalahan Proses Pembangkit Kunci",
MessageBoxButtons.OK, MessageBoxIcon.Error); }
}
void ButtonGenerateClick(object sender, EventArgs e) {
if(!string.IsNullOrWhiteSpace(textBoxKunciP.Text) & !string.IsNullOrWhiteSpace(textBoxKunciQ.Text)){
if(MessageBox.Show("Kunci yang anda tulis sebelumnya akan terhapus. Yakin untuk melanjutkan?", "Peringatan:
Pembangkitan Kunci", MessageBoxButtons.OKCancel, MessageBoxIcon.Warning) == DialogResult.OK){ runPythonBangkitKunci(); } } else{ runPythonBangkitKunci(); } }
2.2.
Fungsi Cek Kunci pada
FormPembangkitKunci.cs
void ButtonCekKunciClick(object sender, EventArgs e){ if(string.IsNullOrWhiteSpace(textBoxKunciP.Text) | string.IsNullOrWhiteSpace(textBoxKunciQ.Text)){
MessageBox.Show("Pasangan kunci tidak boleh ada yang kosong.", "Kesalahan Kunci", MessageBoxButtons.OK,
textBoxKunciN.Text = ""; }
else if(!string.IsNullOrWhiteSpace(textBoxKunciP.Text) & !string.IsNullOrWhiteSpace(textBoxKunciQ.Text)){
string hasil = runPythonCekKunci(); if(String.Equals(hasil, "T")){ int a = int.Parse(textBoxKunciP.Text); int b = int.Parse(textBoxKunciQ.Text); int c = a*b; textBoxKunciN.Text = c.ToString(); } else{
MessageBox.Show("Kunci tidak memenuhi syarat.", "Kesalahan Kunci", MessageBoxButtons.OK, MessageBoxIcon.Error);
textBoxKunciN.Text = ""; }
} }
public string runPythonCekKunci(){ string hasil;
int kunci1 = int.Parse(textBoxKunciP.Text); int kunci2 = int.Parse(textBoxKunciQ.Text); ProcessStartInfo p = new ProcessStartInfo(); p.FileName = "c:\\Python33\\python.exe"; p.RedirectStandardOutput = true;
p.UseShellExecute = false;
p.Arguments = "c:\\skrip\\gate.py "+ "cekKunci " + kunci1 + " " + kunci2 + " 'x' 'x'";
try{
StreamReader s = exeProc.StandardOutput; String output = s.ReadToEnd();
string []r = output.Split(new char[]{' '}); hasil = r[0][0].ToString();
} }
catch{
MessageBox.Show("Gagal dalam melakukan cek kunci.", "Kesalahan Cek Kunci", MessageBoxButtons.OK,
MessageBoxIcon.Error); hasil = ""; }
return hasil; }
2.3.Fungsi Enkrip Pesan
void Button1EnkripsiClick(object sender, EventArgse) {
if(string.IsNullOrWhiteSpace(textBox1plaintext.Text) | stri ng.IsNullOrWhiteSpace(textBox1keyotp.Text)){
MessageBox.Show("Kunci OTP atau Pesan tidak boleh kosong.", "Kesalahan
Dekripsi", MessageBoxButtons.OK, MessageBoxIcon.Error); }else{ textBox2chiphertext.Text=""; //ambilplainteks string plain=textBox1plaintext.Text; //ambilpanjangplainteks int panjangplain=textBox1plaintext.Text.Length; //ambilkunci string kunci=textBox1keyotp.Text; //ambilpanjangkunci
int pk=kunci.Length; string cipher=""; //cekpanjangkuncidgnplain kunciotp= ""; if(pk<panjangplain){ //contohkunci=abc //plain:farid //kunciotp=abc kunciotp +=kunci; string tempplain=Regex.Replace(plain, @"\s+", ""); int pjgtempplain=tempplain.Length; for(int i = 0; i<(panjangplain-pjgtempplain);i++){ //kunciotp=abcfa tempplain+= (char)tempplain[i]; } //MessageBox.Show(tempplain);
//proses menyamakan kunci == plain //perulangan sesuai kurangnya kunci for(int i = 0; i<(panjangplain-pk);i++){ //kunciotp=abcfa kunciotp+= (char)tempplain[i]; } }else{ kunciotp = kunci; }
DateTime startTime = DateTime.Now; MessageBox.Show("panjang karakter : "+panjangplain.ToString());
//algoritma otp
for(int i=0; i<panjangplain;i++){
cipher+=(char) (plain[i] + kunciotp[i]); }
void Button1EnkripkeyClick(object sender, EventArgs e) {
//cek kunci
if(string.IsNullOrWhiteSpace(textBoxkeyRabin.Text)){ MessageBox.Show("Kunci publik belum ada.", "Kesalahan
Enkripsi", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
//cek plain
else if(string.IsNullOrEmpty(textBox1keyotp.Text)){ MessageBox.Show("Tidak ada pesan (plaintext) yang
terdeteksi.", "Kesalahan Enkripsi", MessageBoxButtons.OK, MessageBoxIcon.Error);
} else{
//jika ada
string cipherText = runPythonEnkripsi(); }
textBox1cipherkey.Copy();
public string runPythonEnkripsi(){ string hasil;
string hasil2; //ambil kunci
int n = int.Parse(textBoxkeyRabin.Text); //ambil pesan
string plaintext =kunciotp; //ambil pnjang kunci
int pjgPlaintext = kunciotp.Length;
//
string pltxt1 = plaintext.Replace("\"","\\\""); int temporary = 0;
ProcessStartInfo p = new ProcessStartInfo(); p.FileName = "c:\\Python33\\python.exe"; p.RedirectStandardOutput = true;
p.UseShellExecute = false; // make sure we can read the output from stdout
p.Arguments = "c:\\skrip\\gate.py "+ "enkripsi " + n + " " + temporary + " \"" + pltxt1 + "\" 'x'";
try{
using(Process exeProc = Process.Start(p)){ StreamReader s = exeProc.StandardOutput; String output = s.ReadToEnd();
string r = output; // get the parameter hasil = r.ToString();
hasil2 = hasil.Replace(" ",",");
hasil2 = hasil2.Remove(hasil2.Length-1,1);
string elapsedTime = hasil2.Split(',').Last(); hasil2 = hasil2.Remove((hasil2.Length - elapsedTime.Length), elapsedTime.Length); hasil2 = hasil2.Remove(hasil2.Length-1,1); if(hasil2 == "False"){
MessageBox.Show("Kunci publik tidak memenuhi syarat.", "Kesalahan Melakukan Enkripsi", MessageBoxButtons.OK, MessageBoxIcon.Error);
hasil2 = ""; }
else{
textBox1cipherkey.Text = hasil2.ToString(); //Untuk menampilkan ASCII
try{
string kode = textBox1cipherkey.Text.ToString(); List<string> listHasilSplit = new
List<string>(kode.Split(','));
List<Int32> ci = listHasilSplit.ConvertAll(x => Convert.ToInt32(x));
List<char> liChar = new List<char>(ci.ConvertAll(x => Convert.ToChar(x)));
string charToString = string.Join("", liChar.ToArray()); kode = charToString; } catch{ }
//End Tampil ASCII
MessageBox.Show("Berhasil melakukan enkripsi (" + elapsedTime + " detik)", "Informasi", MessageBoxButtons.OK,
MessageBoxIcon.Information); }
}
2.5.
Program dekripsi Kunci Pesan
void Button1dekripkeyotpClick(object sender, EventArgs e) {
if(string.IsNullOrWhiteSpace(kp.Text)|string.IsNullOrWhiteSpace(kq .Text)){
MessageBox.Show("Kunci private tidak boleh kosong.", "Kesalahan Dekripsi", MessageBoxButtons.OK,
MessageBoxIcon.Error); }
else if(string.IsNullOrEmpty(ctotp.Text)){
MessageBox.Show("Tidak ada ciphertext terdeteksi.", "Kesalahan Dekripsi", MessageBoxButtons.OK,
MessageBoxIcon.Error); }
else{ try{
string ciphertext = ctotp.Text.ToString(); string[] bufferS = new
string[ctotp.Text.ToString().Length]; bufferS = ubahKeInt();
string result = ConvertStringArrayToStringJoin(bufferS); List<string> listHasilSplit = new List<string>(ciphertext.Split(',')); List<Int32> ci = listHasilSplit.ConvertAll(x => Convert.ToInt32(x));
List<char> liChar = new List<char>(ci.ConvertAll(x => Convert.ToChar(x)));
string charToString = string.Join("", liChar.ToArray());
ciphertext = charToString;
string plaintext = runPythonDekripsi(ciphertext); }
catch{
//MessageBox.Show("Ciphertext harus berupa angka yang dipisah dengan koma.", "Kesalahan melakukan dekripsi", MessageBoxButtons.OK, MessageBoxIcon.Error);
string ciphertext = ctotp.Text.ToString();
string plaintext = runPythonDekripsi(ciphertext); }
} }
public string ConvertStringArrayToStringJoin(string[] array){ string result = string.Join(",", array);
return result; }
string[] ubahKeInt(){
string C = ctotp.Text.ToString(); char[] charArr = C.ToCharArray(); int val;
string[] bufferS = new string[charArr.Length]; for(int i = 0; i < charArr.Length; i++){
val = Convert.ToInt32(charArr[i]); bufferS[i] = Convert.ToString(val);
}
return bufferS; }
public string runPythonDekripsi(string strIntC){ string hasil;
string hasil2;
int kunciP = int.Parse(kp.Text); int kunciQ = int.Parse(kq.Text);
ProcessStartInfo p = new ProcessStartInfo(); p.FileName = "c:\\Python33\\python.exe"; p.RedirectStandardOutput = true;
p.UseShellExecute = false; // make sure we can read the output from stdout
p.Arguments = "c:\\skrip\\gate.py "+ "dek " + kunciP + " " + kunciQ + " " + "\"" + strIntC + "\" 'x'"; // start the python program with two parameters
try{
using(Process exeProc = Process.Start(p)){ StreamReader s =
exeProc.StandardOutput;
String output = s.ReadToEnd(); string r = output; // get the parameter
hasil = r.ToString();
string[] parts = hasil.Split(' '); string elapsedTime = parts[parts.Length - 2]; hasil2 = hasil.Remove((hasil.Length - elapsedTime.Length), elapsedTime.Length); hasil2 = hasil2.Remove(hasil2.Length-1,1); hasil2 =
hasil2.Remove(hasil2.Length-1,1); // menghilangkan spasi di akhir kalimat
kotp.Text = hasil2.ToString(); int pjgPesanAsli = hasil2.Length;
MessageBox.Show("Berhasil melakukan dekripsi (" + elapsedTime + " detik)", "Informasi",
MessageBoxButtons.OK, MessageBoxIcon.Information); }
catch{
//throw;
strIntC = ctotp.Text.ToString();
p.FileName = "c:\\Python33\\python.exe"; p.RedirectStandardOutput = true;
p.UseShellExecute = false; // make sure we can read the output from stdout
p.Arguments = "c:\\skrip\\gate.py "+ "dek2 " + kunciP + " " + kunciQ + " " + "\"" + strIntC + "\" 'x'"; // start the python program with two parameters
try{
using(Process exeProc = Process.Start(p)){
StreamReader s = exeProc.StandardOutput;
String output = s.ReadToEnd(); string r = output; // get the parameter
hasil = r.ToString();
string[] parts = hasil.Split(' '); string elapsedTime = parts[parts.Length - 2]; hasil2 = hasil.Remove((hasil.Length - elapsedTime.Length), elapsedTime.Length); hasil2 = hasil2.Remove(hasil2.Length-1,1); hasil2 =
hasil2.Remove(hasil2.Length-1,1); // menghilangkan spasi di akhir kalimat
kotp.Text = hasil2; int pjgPesanAsli = hasil2.Length;
MessageBox.Show("Berhasil melakukan dekripsi (" + elapsedTime + " detik)", "Informasi", MessageBoxButtons.OK, MessageBoxIcon.Information); } } catch{ //throw; strIntC = kotp.Text.ToString();
p.FileName = "c:\\Python33\\python.exe";
p.RedirectStandardOutput = true; p.UseShellExecute = false; // make sure we can read the output from stdout
p.Arguments = "c:\\skrip\\gate.py "+ "dek2 " + kunciP + " " + kunciQ + " " + "\"" + strIntC + "\" 'x'"; // start the python program with two parameters
try{ using(Process exeProc = Process.Start(p)){ StreamReader s = exeProc.StandardOutput; String output = s.ReadToEnd(); string r = output; // get the parameter
hasil = r.ToString(); string[] parts = hasil.Split(' '); string elapsedTime = parts[parts.Length - 2]; hasil2 = hasil.Remove((hasil.Length - elapsedTime.Length), elapsedTime.Length); hasil2 = hasil2.Remove(hasil2.Length-1,1); hasil2 =
hasil2.Remove(hasil2.Length-1,1); // menghilangkan spasi di akhir kalimat
kotp.Text = hasil2; int pjgPesanAsli = hasil2.Length;
MessageBox.Show("Berhasil melakukan dekripsi (" + elapsedTime + " detik)", "Informasi", MessageBoxButtons.OK, MessageBoxIcon.Information);
} }
catch{
MessageBox.Show("Kesalahan melakukan dekripsi.", "Kesalahan", MessageBoxButtons.OK,
MessageBoxIcon.Error); hasil2 = ""; } } } return hasil2; }
2.6.
Perogram dekripsi pesan
void Button2dekripsiClick(object sender, EventArgs e) {
if(string.IsNullOrWhiteSpace(textBox1cipher.Text) | string.IsNullOrWhiteSpace(textBox1cipherkey.Text)){
MessageBox.Show("Kunci OTP dan Pesan Cipher tidak boleh kosong.", "Kesalahan Dekripsi", MessageBoxButtons.OK, MessageBoxIcon.Error);}
else{
//ambil cipher
string cipher=textBox1cipher.Text; //panjang cipher
int panjang= textBox1cipher.Text.Length; //ambil kunci
string kunci = kotp.Text; string pesan="";
DateTime waktuawal = DateTime.Now; //algoritma otp
for(int i=0; i<panjang;i++){
pesan += (char)(cipher[i]-kunci[i]); //MessageBox.Show(pesan.ToString()); }
MessageBox.Show("panjang : "+panjang.ToString()); MessageBox.Show("tes");
DateTime waktuakhir = DateTime.Now;
/*MessageBox.Show("Time : " + elapsed.Hours.ToString("00") + ":" +elapsed.Minutes.ToString("00") + ":" +
elapsed.Seconds.ToString("00") + "." +elapsed.Milliseconds.ToString("000"));*/
pesanbox.Text=pesan;
TimeSpan selisihwaktu = waktuakhir.Subtract(waktuawal); MessageBox.Show("Time : "
+selisihwaktu.Hours.ToString()+"
:"+selisihwaktu.Minutes.ToString()+" : " + selisihwaktu.Seconds.ToString()+" : " +selisihwaktu.Milliseconds.ToString());}
