feat(obf): working v2 string obfuscation

skidfuscatordev · Apr 17, 2024 · 919386f · 919386f
1 parent e6c2815
commit 919386f
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Showing 3 changed files with 27 additions and 2 deletions.
diff --git a/dev.skidfuscator.obfuscator/src/main/java/dev/skidfuscator/obfuscator/Skidfuscator.java b/dev.skidfuscator.obfuscator/src/main/java/dev/skidfuscator/obfuscator/Skidfuscator.java
@@ -691,6 +691,7 @@ private void _verify() {
                             + "/!\\ Skidfuscator failed to compute some libraries!\n"
                             + "It it advised to read https://github.com/terminalsin/skidfuscator-java-obfuscator/wiki/Libraries\n"
                             + "\n"
+                            + "The following class was NOT found. This can be a dependency of a dependency."
                             + "Error: " + e.getMessage() + "\n" +
                             (e.getCause() == null
                                     ? "\n"

diff --git a/.../src/main/java/dev/skidfuscator/obfuscator/transform/impl/string/StringTransformerV2.java b/.../src/main/java/dev/skidfuscator/obfuscator/transform/impl/string/StringTransformerV2.java
@@ -13,6 +13,7 @@
 import dev.skidfuscator.obfuscator.transform.impl.string.generator.EncryptionGeneratorV3;
 import dev.skidfuscator.obfuscator.transform.impl.string.generator.v3.ByteBufferClinitV3EncryptionGenerator;
 import dev.skidfuscator.obfuscator.transform.impl.string.generator.v3.BytesClinitV3EncryptionGenerator;
+import dev.skidfuscator.obfuscator.transform.impl.string.generator.v3.BytesV3EncryptionGenerator;
 import dev.skidfuscator.obfuscator.util.RandomUtil;
 import org.mapleir.asm.ClassNode;
 import org.mapleir.ir.cfg.ControlFlowGraph;
@@ -62,15 +63,28 @@ void handle(final RunMethodTransformEvent event) {
         EncryptionGeneratorV3 generator = keyMap.get(parentNode);
 
         if (generator == null) {
-            switch (RandomUtil.nextInt(1)) {
-                default: {
+            switch (RandomUtil.nextInt(3)) {
+                case 0: {
                     final int size = RandomUtil.nextInt(127) + 1;
                     final byte[] keys = new byte[size];
 
                     for (int i = 0; i < size; i++) {
                         keys[i] = (byte) (RandomUtil.nextInt(127) + 1);
                     }
+                    keyMap.put(parentNode, (generator = new BytesV3EncryptionGenerator(keys)));
+                    break;
+                }
+                case 1: {
+                    final int size = RandomUtil.nextInt(127) + 1;
+                    final byte[] keys = new byte[size];
 
+                    for (int i = 0; i < size; i++) {
+                        keys[i] = (byte) (RandomUtil.nextInt(127) + 1);
+                    }
+                    keyMap.put(parentNode, (generator = new BytesClinitV3EncryptionGenerator(keys)));
+                    break;
+                }
+                default: {
                     keyMap.put(parentNode, (generator = new ByteBufferClinitV3EncryptionGenerator()));
                     break;
                 }

diff --git a/...kidfuscator.obfuscator/src/main/java/dev/skidfuscator/obfuscator/util/DependencyUtil.java b/...kidfuscator.obfuscator/src/main/java/dev/skidfuscator/obfuscator/util/DependencyUtil.java
@@ -0,0 +1,10 @@
+package dev.skidfuscator.obfuscator.util;
+
+/**
+ * Creates and reads a small database of common dependencies.
+ * This is used to
+ */
+public class DependencyUtil {
+    //public
+}
+