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https://github.com/codestation/mhtools
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Make --extract-quests use the correct quest name.
Some refactoring.
This commit is contained in:
parent
966c01a9c8
commit
ca3d1b8a02
6 changed files with 41 additions and 19 deletions
1
.gitignore
vendored
1
.gitignore
vendored
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@ -1,2 +1,3 @@
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/index.bin
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/.settings
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/bcprov-jdk16-146.jar
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@ -113,4 +113,17 @@ public abstract class MHUtils {
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}
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return res;
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}
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static final String HEXES = "0123456789ABCDEF";
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public static String getHex(byte[] raw) {
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if (raw == null) {
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return null;
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}
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final StringBuilder hex = new StringBuilder(2 * raw.length);
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for (final byte b : raw) {
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hex.append(HEXES.charAt((b & 0xF0) >> 4)).append(HEXES.charAt((b & 0x0F))).append(' ');
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}
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return hex.toString();
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}
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}
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@ -87,4 +87,17 @@ public abstract class DecryptUtils {
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table[i + 2] = base_table[table[i + 2] & 0xFF];
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table[i + 3] = base_table[table[i + 3] & 0xFF];
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}
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static final String HEXES = "0123456789ABCDEF";
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public static String getHex(byte[] raw) {
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if (raw == null) {
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return null;
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}
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final StringBuilder hex = new StringBuilder(2 * raw.length);
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for (final byte b : raw) {
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hex.append(HEXES.charAt((b & 0xF0) >> 4)).append(HEXES.charAt((b & 0x0F))).append(' ');
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}
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return hex.toString();
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}
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}
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@ -21,23 +21,12 @@ import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.io.RandomAccessFile;
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import base.MHUtils;
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import jpcsp.crypto.CryptoEngine;
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import keys.GameKeys;
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public class KirkCypher implements GameKeys {
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static final String HEXES = "0123456789ABCDEF";
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private static String getHex(byte[] raw) {
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if (raw == null) {
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return null;
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}
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final StringBuilder hex = new StringBuilder(2 * raw.length);
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for (final byte b : raw) {
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hex.append(HEXES.charAt((b & 0xF0) >> 4)).append(HEXES.charAt((b & 0x0F))).append(' ');
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}
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return hex.toString();
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}
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public class KirkCypher extends MHUtils implements GameKeys {
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public void decrypt(String file) {
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try {
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@ -47,11 +36,13 @@ public class KirkCypher implements GameKeys {
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fd.seek(0);
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System.out.println("Decrypting savedata (KIRK engine): " + byte_bt.length + " bytes");
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System.out.println("Gamekey: " + getHex(gamekey));
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byte out[] = new CryptoEngine().DecryptSavedata(byte_bt, byte_bt.length, gamekey, 0);
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byte hash[] = new byte[0x10];
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byte out[] = new CryptoEngine().DecryptSavedata(byte_bt, byte_bt.length, gamekey, 0, hash);
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fd.write(out);
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fd.setLength(out.length);
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fd.close();
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System.out.println("Finished (" + out.length + " bytes)");
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System.out.println("Hash: " + getHex(hash));
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} catch (FileNotFoundException e) {
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e.printStackTrace();
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} catch (IOException e) {
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@ -30,9 +30,11 @@ import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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import java.util.Arrays;
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import base.MHUtils;
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import keys.QuestKeys;
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public class QuestCypher implements QuestKeys {
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public class QuestCypher extends MHUtils implements QuestKeys {
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private short key_var_table[] = {0, 0, 0, 0};
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@ -114,17 +116,18 @@ public class QuestCypher implements QuestKeys {
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in.read(byte_bt);
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in.close();
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for(int i = 0; i < 100; i++) {
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String mib = new String(byte_bt, (i + 1) * QUEST_SIZE - 16, 16);
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ByteBuffer bt = ByteBuffer.wrap(byte_bt,i * QUEST_SIZE, QUEST_SIZE);
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bt.order(ByteOrder.LITTLE_ENDIAN);
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ShortBuffer sb = bt.asShortBuffer();
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short short_bt[] = new short[QUEST_SIZE/2];
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sb.get(short_bt);
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System.out.println("Decrypting quest file # " + i);
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int len = decrypt_quest(short_bt);
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if(len > 0) {
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System.out.println("Decrypted quest # " + i + ": " + mib);
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sb.rewind();
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sb.put(short_bt);
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String outname = String.format("%s/%02d_quest.bin", directory, i);
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String outname = String.format("%s/%s", directory, mib);
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FileOutputStream out = new FileOutputStream(outname);
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out.write(byte_bt, i * QUEST_SIZE, len);
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out.close();
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@ -95,7 +95,7 @@ public class SavedataCypher extends DecryptUtils implements SavedataKeys {
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byte byte_bt[] = new byte[(int)fd.length()];
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fd.read(byte_bt);
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fd.seek(0);
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System.out.println("Updating sha1 hash");
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System.out.print("Updating ");
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update_sha1(byte_bt);
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System.out.println("Encrypting savedata");
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encrypt_buffer(byte_bt);
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@ -120,6 +120,7 @@ public class SavedataCypher extends DecryptUtils implements SavedataKeys {
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MessageDigest md = MessageDigest.getInstance("sha-1");
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byte digest[] = md.digest(buffer);
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System.arraycopy(replace, 0, buf, buf.length - 36, 20);
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System.out.println("SHA-1: " + getHex(digest));
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System.arraycopy(digest, 0, buf, buf.length - 24, digest.length);
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} catch (NoSuchAlgorithmException e) {
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e.printStackTrace();
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