using UnityEngine;

 using System.Collections;/// <summary>

 /// Signature verify tool class

 /// </summary>

 public class SignatureVerify

 {

 /**

 * Verify the signature is correct

 **/

 public static bool IsCorrect ()

 {

 #if UNITY_EDITOR

 return true;

 #endif

 // 获取Android的PackageManager

 AndroidJavaClass Player = new AndroidJavaClass ("com.unity3d.player.UnityPlayer");

 AndroidJavaObject Activity = Player.GetStatic<AndroidJavaObject> ("currentActivity");

 AndroidJavaObject PackageManager = Activity.Call<AndroidJavaObject> ("getPackageManager");

 // 获取当前Android应用的包名

 string packageName = Activity.Call<string> ("getPackageName");

 // 调用PackageManager的getPackageInfo方法来获取签名信息数组

 int GET_SIGNATURES = PackageManager.GetStatic<int> ("GET_SIGNATURES");

 AndroidJavaObject PackageInfo = PackageManager.Call<AndroidJavaObject> ("getPackageInfo", packageName, GET_SIGNATURES);

 AndroidJavaObject[] Signatures = PackageInfo.Get<AndroidJavaObject[]> ("signatures");

 // 获取当前的签名的哈希值，判断其与我们签名的哈希值是否一致

 if (Signatures != null && Signatures.Length > )

 {

 int hashCode = Signatures [].Call<int> ("hashCode");

 return hashCode == ;//我们签名的哈希值

 }

 return false;

 }

 }