94 lines
2.4 KiB
Java
94 lines
2.4 KiB
Java
package de.mas.wiiu.jnus.jnustool;
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import java.io.File;
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import java.io.IOException;
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import java.io.RandomAccessFile;
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import java.util.Arrays;
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import de.mas.wiiu.jnus.jnustool.util.Decryption;
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import de.mas.wiiu.jnus.jnustool.util.Util;
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public class TIK {
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public static int KEY_LENGTH = 16;
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private byte[] encryptedKey = new byte[16];
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private byte[] decryptedKey = new byte[16];
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public byte[] cert0 = new byte[0x400];
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public byte[] cert1 = new byte[0x300];
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public TIK(File cetk,long titleid) throws IOException{
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parse(cetk);
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calculateDecryptedKey(titleid);
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}
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public TIK(String ticketKey,long titleid) {
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setEncryptedKey(ticketKey);
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calculateDecryptedKey(titleid);
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}
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public TIK(byte[] file, long titleID) throws IOException {
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parse(file);
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calculateDecryptedKey(titleID);
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}
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private void calculateDecryptedKey(long titleid) {
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Decryption decryption = new Decryption(Util.commonKey,titleid);
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decryptedKey = decryption.decrypt(encryptedKey);
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}
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private void parse(byte[] cetk) throws IOException {
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if(cetk != null){
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System.arraycopy(cetk, 0x1bf, this.encryptedKey, 0,16);
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if(cetk.length >= 0x650 + 0x400){
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cert0 = Arrays.copyOfRange(cetk, 0x650, 0x650 + 0x400);
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cert1 = Arrays.copyOfRange(cetk, 0x350, 0x350 + 0x300);
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}else{
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Logger.log("No certs for TIK found. File too short!");
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}
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}
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}
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private void parse(File cetk) throws IOException {
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RandomAccessFile f = new RandomAccessFile(cetk, "r");
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f.seek(0x1bf);
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f.read(this.encryptedKey, 0, 16);
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f.seek(0x650);
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f.read(cert0, 0, 0x400);
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f.seek(0x350);
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f.read(cert1, 0, 0x300);
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f.close();
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}
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public void setEncryptedKey(String key) {
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this.encryptedKey = Util.hexStringToByteArray(key);
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}
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public byte[] getEncryptedKey() {
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return encryptedKey;
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}
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public void setEncryptedKey(byte[] encryptedKey) {
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this.encryptedKey = encryptedKey;
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}
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public byte[] getDecryptedKey() {
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return decryptedKey;
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}
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public void setDecryptedKey(byte[] decryptedKey) {
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this.decryptedKey = decryptedKey;
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}
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@Override
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public String toString(){
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String result = "Encrypted key: " + Util.ByteArrayToString(encryptedKey)+ " Decrypted key: " + Util.ByteArrayToString(decryptedKey) + "\n";
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result += "cert0:" + Util.ByteArrayToString(cert0) + "\n";
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result += "cert1:" + Util.ByteArrayToString(cert1) + "\n";
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return result;
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}
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}
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