feat: runtime.loadJar() cache dex

common/src/main/java/com/stardust/util/MD5.java

@@ -0,0 +1,26 @@
+package com.stardust.util;
+
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+
+public class MD5 {
+
+    public static byte[] md5Bytes(String message) throws NoSuchAlgorithmException {
+        MessageDigest md5 = MessageDigest.getInstance("MD5");
+        md5.update(message.getBytes());
+        return md5.digest();
+    }
+
+    public static String md5(String message) throws NoSuchAlgorithmException {
+        byte[] bytes = md5Bytes(message);
+        StringBuilder hexString = new StringBuilder(32);
+        for (byte b : bytes) {
+            String hex = Integer.toHexString(0xFF & b);
+            if (hex.length() == 1) {
+                hexString.append('0');
+            }
+            hexString.append(hex);
+        }
+        return hexString.toString();
+    }
+}