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Make HexE class
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@alphaX86
alphaX86 committed Oct 30, 2022
1 parent 81ed5a3 commit 65fa43e
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Showing 10 changed files with 326 additions and 23 deletions.
Binary file modified binary.crypt
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Binary file added puzzGrid.txt
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259 changes: 236 additions & 23 deletions src/main/java/AudioProcess.java
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,6 @@
import java.io.*;
import java.nio.file.Files;
import java.util.Random;
import java.util.Scanner;

public class AudioProcess {
// Long[] binStore = new Long[999999];
Expand Down Expand Up @@ -149,6 +148,52 @@ public int[][] gridTaker(PuzzleGrid grid) {
return puzzle;
}

public void gridToFile(int[][] grid) {
try {
FileWriter writer = new FileWriter("puzzGrid.txt");
for(int i=0; i<9; i++) {
for(int j=0; j<9; j++) {
writer.write(grid[i][j]);
}
writer.write("\n");
}
writer.close();
System.out.println("Puzzle Grid saved under puzzGrid.txt");
}
catch (IOException e) {
System.err.println("Error occured");
e.printStackTrace();
}
}

public int[][] gridReader(String f) throws FileNotFoundException {
int[][] GRID = new int[9][9];
FileReader reader = new FileReader(f);
int i, j=0, k=0;
try {
while((i=reader.read())!=-1) {
if(k==9) {
k = 0;
j++;
}
char c = (char) i;
if(c == '\n')
{
continue;
}
int x = c - '0';
GRID[j][k] = x;
k++;
System.out.print(k);
}
reader.close();
} catch (IOException e) {
e.printStackTrace();
}
System.out.println("File import successful");
return GRID;
}

public int[][] keyGen(int[][] grid, int n) {
int[][] miniGrid = new int[n][n];
long unixTime = System.currentTimeMillis()/1000L;
Expand Down Expand Up @@ -318,13 +363,199 @@ else if(u == 2 && u1 == 1)
return miniGrid;
}

public int[][] keyGenDec(int[][] grid, int n, long unixT) {
int[][] miniGrid = new int[n][n];
long unixTime = unixT;
System.out.println("UNIX Timestamp: " + unixTime);
int p = 0;
long digit = 0;
long d1 = unixTime % 10;
while(unixTime > 0) {
digit = unixTime % 10;
p += digit;
unixTime /= 10;
}
//Random rand = new Random();
int t = p % 9;
int u = p % 3;
int u1 = (int) d1 % 3;
int grd = 0;
if(u == 0 && u1 == 0)
{
grd = 1;
}
else if(u == 0 && u1 == 1)
{
grd = 2;
}
else if(u == 0 && u1 == 2)
{
grd = 3;
}
else if(u == 1 && u1 == 0)
{
grd = 4;
}
else if(u == 1 && u1 == 1)
{
grd = 5;
}
else if(u == 1 && u1 == 2)
{
grd = 6;
}
else if(u == 2 && u1 == 0)
{
grd = 7;
}
else if(u == 2 && u1 == 1)
{
grd = 8;
}
else {
grd = 9;
}
int k1=0, k2=0;
switch (grd) {
case 1:
for(int i=0;i<3;i++)
{
for(int j=0;j<3;j++)
{
miniGrid[k1][k2] = grid[i][j] * t;
k2++;
}
k1++;
k2=0;
}
break;
case 2:
for(int i=0;i<3;i++)
{
for(int j=3;j<6;j++)
{
miniGrid[k1][k2] = grid[i][j] * t;
k2++;
}
k1++;
k2=0;
}
break;
case 3:
for(int i=0;i<3;i++)
{
for(int j=6;j<9;j++)
{
miniGrid[k1][k2] = grid[i][j] * t;
k2++;
}
k1++;
k2=0;
}
break;
case 4:
for(int i=3;i<6;i++)
{
for(int j=0;j<3;j++)
{
miniGrid[k1][k2] = grid[i][j] * t;
k2++;
}
k1++;
k2=0;
}
break;
case 5:
for(int i=3;i<6;i++)
{
for(int j=3;j<6;j++)
{
miniGrid[k1][k2] = grid[i][j] * t;
k2++;
}
k1++;
k2=0;
}
break;
case 6:
for(int i=3;i<6;i++)
{
for(int j=6;j<9;j++)
{
miniGrid[k1][k2] = grid[i][j] * t;
k2++;
}
k1++;
k2=0;
}
break;
case 7:
for(int i=6;i<9;i++)
{
for(int j=0;j<3;j++)
{
miniGrid[k1][k2] = grid[i][j] * t;
k2++;
}
k1++;
k2=0;
}
break;
case 8:
for(int i=6;i<9;i++)
{
for(int j=3;j<6;j++)
{
miniGrid[k1][k2] = grid[i][j] * t;
k2++;
}
k1++;
k2=0;
}
break;
case 9:
for(int i=6;i<9;i++)
{
for(int j=6;j<9;j++)
{
miniGrid[k1][k2] = grid[i][j] * t;
k2++;
}
k1++;
k2=0;
}
break;
default:
System.err.println("Invalid GRID. Please try again");
break;
}
return miniGrid;
}

public String keyGenBinary(int[][] grid) {
int[][] miniGrid = keyGen(grid, 3);
String binKey = null;
StringBuilder binMod = new StringBuilder();

for(int i=0;i<2;i++) {
for(int j=0;j<2;j++) {
for(int i=0;i<3;i++) {
for(int j=0;j<3;j++) {
System.out.print(miniGrid[i][j] + "\t");
binMod.append(Integer.toBinaryString(miniGrid[i][j]));
}
System.out.println();
}
System.out.println(binMod);
binKey = binMod.toString();
return binKey;
}

public String keyGenBinaryDec(int[][] grid, long unixT) {
int[][] miniGrid = keyGenDec(grid, 3, unixT);
String binKey = null;
StringBuilder binMod = new StringBuilder();

for(int i=0;i<3;i++) {
for(int j=0;j<3;j++) {
System.out.print(miniGrid[i][j] + "\t");
binMod.append(Integer.toBinaryString(miniGrid[i][j]));
}
Expand Down Expand Up @@ -372,13 +603,13 @@ public void encrypt(String f, int Channel, int SampleRate, int Val, int[][] grid
}
}

public void decrypt(String f, int Channel, int SampleRate, int Val, int[][] grid) throws IOException, UnsupportedAudioFileException, LineUnavailableException {
public void decrypt(String f, int Channel, int SampleRate, int Val, int[][] grid, long unixT) throws IOException, UnsupportedAudioFileException, LineUnavailableException {
File file = new File(f);
//AudioInputStream ai = AudioSystem.getAudioInputStream((InputStream) file.toPath());
//Clip clip = AudioSystem.getClip();
//clip.open(ai);
byte[] content = Files.readAllBytes(file.toPath());
String key = keyGenBinary(grid);
String key = keyGenBinaryDec(grid, unixT);
int len = key.length();
int j = 0;
for(int i=0; i<content.length; i++) {
Expand Down Expand Up @@ -453,22 +684,4 @@ public void audioWrite(String f) {
System.err.println(e);
}
}

public static void main(String[] args) throws IOException, UnsupportedAudioFileException, LineUnavailableException {
Scanner sc = new Scanner(System.in);
AudioProcess x = new AudioProcess();
PinataIPFS ipfs = new PinataIPFS();
System.out.println("Enter file path of audio:");
String f = sc.next();
int[] arr = new int[3];
x.audioFrames(f);
arr = x.audioRead(f);
x.audioToByte(f);
PuzzleGrid grid = x.puzzleGenerator();
int[][] puzzGrid = x.gridTaker(grid);
x.encrypt("./binary.crypt", arr[0], arr[2], arr[1], puzzGrid);
x.decrypt("./test1.wav", arr[0], arr[2], arr[1], puzzGrid);
ipfs.sendFile("./test1.wav");
sc.close();
}
}
89 changes: 89 additions & 0 deletions src/main/java/HexE.java
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@@ -0,0 +1,89 @@
import java.io.IOException;
import java.util.Scanner;

import javax.sound.sampled.LineUnavailableException;
import javax.sound.sampled.UnsupportedAudioFileException;

public class HexE {
public static void main(String[] args) throws IOException, UnsupportedAudioFileException, LineUnavailableException {
Scanner sc = new Scanner(System.in);
AudioProcess x = new AudioProcess();
PinataIPFS ipfs = new PinataIPFS();
System.out.println("-----------------------------------");
System.out.println(" _ _ ___ ");
System.out.println("| || |_____ _| __|");
System.out.println("| __ / -_) \\ / _|");
System.out.println("|_||_\\___/_\\_\\___|");
System.out.println("-----------------------------------");
System.out.println("Enter option: ");
System.out.print("1. Encrypt Audio \n2. Decrypt Audio \n3. Encrypt Audio and send to IPFS \n4. Decrypt Audio from IPFS Hash \n5. Test algorithm\n");
int op = sc.nextInt();
String f = null, f1 = null;
int[] arr = new int[3];
long unixT = 0;
PuzzleGrid grid;
int[][] puzzGrid = new int[3][3];
switch(op) {
case 1:
System.out.println("Enter file path of audio:");
f = sc.next();
x.audioFrames(f);
arr = x.audioRead(f);
x.audioToByte(f);
grid = x.puzzleGenerator();
puzzGrid = x.gridTaker(grid);
x.gridToFile(puzzGrid);
x.encrypt("./binary.crypt", arr[0], arr[2], arr[1], puzzGrid);
System.out.println("Audio encrypted successfully");
break;
case 2:
System.out.println("Enter file path of audio:");
f = sc.next();
x.audioFrames(f);
arr = x.audioRead(f);
x.audioToByte(f);
System.out.println("Enter file path for puzzle:");
f1 = sc.next();
puzzGrid = x.gridReader(f1);
System.out.println("Enter timestamp in UNIX format:");
unixT = sc.nextLong();
x.decrypt(f, arr[0], arr[2], arr[1], puzzGrid, unixT);
break;
case 3:
System.out.println("Enter file path of audio:");
f = sc.next();
x.audioFrames(f);
arr = x.audioRead(f);
x.audioToByte(f);
grid = x.puzzleGenerator();
puzzGrid = x.gridTaker(grid);
x.gridToFile(puzzGrid);
x.encrypt("./binary.crypt", arr[0], arr[2], arr[1], puzzGrid);
System.out.println("Audio encrypted successfully");
ipfs.sendFile(f);
break;
case 4:
System.out.println("Enter IPFS Hash:");
String hash = sc.next();
ipfs.downloadUsingStream(hash);
f = "./output.wav";
x.audioFrames(f);
arr = x.audioRead(f);
x.audioToByte(f);
System.out.println("Enter file path for puzzle:");
f1 = sc.next();
puzzGrid = x.gridReader(f1);
System.out.println("Enter timestamp in UNIX format:");
unixT = sc.nextLong();
x.decrypt(f, arr[0], arr[2], arr[1], puzzGrid, unixT);
break;
case 5:
//TBD
break;
default:
System.err.println("Invalid option");
break;
}
sc.close();
}
}
1 change: 1 addition & 0 deletions src/main/java/PinataIPFS.java
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Expand Up @@ -75,5 +75,6 @@ public void downloadUsingStream(String hash) throws IOException{
}
fis.close();
bis.close();
System.out.println("File Downloaded from IPFS");
}
}
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