«Kompyuter injineringi» fakulteti «Kompyuter injineringi» baǵdari II kurs 301-21 topar studenti Keńesbaeva Dilfuzanıń

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Kenesbaeva.Dilfuza Kl qq Kiberqawipsizlik ameliy
2-Mustaqil ish, 11.JAMIYATNING IQTISODIY SOHASI VA DAVLATNING IJTIMOIY SIYOSATI, 1-A Qurmat Matniyazov Muxammed, hdfdhdh - копия (2), Surxondaryo tarixi O\'quv qo\'llanma (3), kkkkk maktabgacha kurs ishi

ÓZBEKSTAN RESPUBLIKASÍ INFORMACIYALÍQ TEXNOLOGIYALARÍ HÁM KOMMUNIKACIYALARÍN RAWAJLANDÍRÍW MINISTRLIGI
MUXAMMED AL-XOREZMIY ATINDAǴÍ
TASHKENT INFORMACIYALÍQ TEXNOLOGIYALARÍ UNIVERSITETI NÓKIS FILIALÍ

« Kompyuter injineringi » fakulteti
«Kompyuter injineringi» baǵdari
II kurs 301-21 topar studenti
Keńesbaeva Dilfuzanıń
« Kiberqawipsizlik tiykarları»
páninen

Ózbetinshe jumısı

Tayarlaǵan ________________ D.Keńesbaeva
Qabıllaǵan _________________ G.Saparova
Nókis – 2022

Cezar usılında maġlıwmatlardı shifrlaw hám dishifrlaw.

package javaapplication37;
import static javax.management.Query.in;
public class JavaApplication37 {
public static void main(String[] args) {
String s1 = "Magliwmat";
int k = 1;
char [] simvol = new char[s1.length()];
for (int i=0; iif(Character.isLetter(s1.charAt(i)) && Character.isUpperCase(s1.charAt(i)))
simvol[i] = (char) (((((int)(s1.charAt(i)))-'A'+k)%26)+'A');
else if (Character.isLetter(s1.charAt(i)) && Character.isLowerCase(s1.charAt(i)))
simvol[i] = (char) (((((int)(s1.charAt(i)))-'a'+k)%26)+'a');
else
simvol[i] = s1.charAt(i);
}
System.out.println(simvol);
String s2 = String.copyValueOf(simvol);
System.out.println("Shifrlaw: " + s2);
System.out.println("Deshifrlaw: " + s1);
}
}

Analitikalıq usılda maġlıwmatlardı shifrlaw hám dishifrlaw.

Shifrlanıw:
package javaapplication38;
import java.util.Scanner;
public class JavaApplication38 {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
System.out.print("n=");
int n = in.nextInt();
String a = "Magliwmat";
for (int i = 0; i char b = a.charAt(0+i);
int r = (int)b;
System.out.print(r+" ");
System.out.println(r*n + " ");
}
}
}

Dishefrlanıw:
package javaapplication39;
import java.util.Scanner;
public class JavaApplication39 {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
int a = 770;
a = a/10;
char b = (char)a;
System.out.print(b);
int c = 970;
c = c/10;
char d = (char)c;
System.out.print(d);
int e = 1030;
e =e/10;
char f = (char)e;
System.out.print(f);
int g = 1080;
g =g/10;
char h = (char)g;
System.out.print(h);
int i = 1050;
i =i/10;
char j = (char)i;
System.out.print(j);
int k = 1190;
k =k/10;
char l = (char)k;
System.out.print(l);
int n = 1090;
n =n/10;
char m = (char)n;
System.out.print(m);
int z = 970;
z =z/10;
char x = (char)z;
System.out.print(x);
int y = 970;
y =y/10;
char p = (char)y;
System.out.print(p);
int q = 1160;
q =q/10;
char r = (char)q;
System.out.print(r);
System.out.println("");
}
}

Gamelton usılda maġlıwmatlardı shifrlaw hám dishifrlaw.

Shifrlanıw:
package javaapplication40;
import java.util.Scanner;
public class JavaApplication40 {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
String a = "Menin_atim_Dilyafruz";
int n = in.nextInt();
String b = a.substring(0, n);
String c = a.substring(n, n+4);
String d = a.substring(n+4, n+8);
String e = a.substring(n+8, n+12);
String f = a.substring(n+12, n+16);
System.out.println(b);
System.out.println(c);
System.out.println(d);
System.out.println(e);
System.out.println(f);
String p = f+d+b+e+c;
System.out.println(p);
String g = p.substring(0, n+1);
String h = p.substring(n+1, n+6);
String i = p.substring(n+6, n+11);
String j = p.substring(n+11, n+16);
System.out.println("shifrlaniwi:");
System.out.print(g+" ");
System.out.print(h+" ");
System.out.print(i+" ");
System.out.print(j+" ");
}
}

Dishefrlanıw:
package javaapplication41;
import java.util.Scanner;
public class JavaApplication41 {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
String a = "fruzim_DMeniilyan_at";
System.out.print("B=");
int n = in.nextInt();
String b = a.substring(0, n);
String c = a.substring(n, n+4);
String d = a.substring(n+4, n+8);
String e = a.substring(n+8, n+12);
String f = a.substring(n+12, n+16);

String q = d+f+c+e+b;

System.out.println("Deshifrlaniwi: "+q);

}
}

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