-Encrypted_Text/Text_encrypt.java at main · Dunvantkai/-Encrypted_Text · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
package text_encrypt;
import java.util.Scanner;
public class Main{
    public static void main(String[] args) {
    	int close = 0;
    	while (close < 1) {
        System.out.println("Encrypt Program");

        Scanner reader = new Scanner(System.in);
        System.out.print("Enter Your Text: ");
        String userInput = reader.nextLine();

        reader = new Scanner(System.in);
        System.out.print("Enter Your Seed: ");
        int seed = reader.nextInt();

        reader = new Scanner(System.in);
        System.out.println("Type Y to Encrypt");
        System.out.println("Type N to UnEncrypt");
        System.out.println("Type EXIT to Close the Program");
        System.out.print(">: ");
        String enun = reader.nextLine();
        enun = enun.toUpperCase();
        System.out.println(enun);


        String UperUserInput = userInput.toUpperCase();
        int lenthOfInput = UperUserInput.length();
        int place = 0;
        String encry = (">");
        String auf = "ABCDEFGHIJKLMNOPQRSTUVWXYZ ";

        while (place < lenthOfInput) {
            char letter = UperUserInput.charAt(place);

            int NumberinAuf = auf.indexOf(letter);
            if (NumberinAuf != -1) {
                if (enun.equals("Y")) {
                    int AfterNumberinAuf = (NumberinAuf + seed) % auf.length();

                    if (AfterNumberinAuf < 0) {
                        AfterNumberinAuf = AfterNumberinAuf + 27;
                    }
                    char encryLetter = auf.charAt(AfterNumberinAuf);
                    String lencry = encry + encryLetter;
                    encry = lencry;
                    //System.out.println(encry);
                }
                if (enun.equals("N")) {
                    int AfterNumberinAuf = (NumberinAuf - seed) % auf.length();

                    if (AfterNumberinAuf < 0) {
                        AfterNumberinAuf = AfterNumberinAuf + 27;
                    }
                    char encryLetter = auf.charAt(AfterNumberinAuf);
                    String lencry = encry + encryLetter;
                    encry = lencry;
                    //System.out.println(encry);
                }
                if (enun.equals("EXIT")) {
                	close = 1;
                }
            }

            place = place + 1;
        }
        System.out.println(UperUserInput);
        System.out.println(encry);
        System.out.print("\n");
        }
    }
}
//Made By Kai