From eb2f4648264c9689d69d4c60e61901df777f000b Mon Sep 17 00:00:00 2001
From: P0nk <ponkcode@gmail.com>
Date: Thu, 9 Sep 2021 20:37:53 +0200
Subject: [PATCH] Remove removal of cryptography restrictions

This is no longer needed as of Java 9
---
 src/main/java/net/server/Server.java |  4 --
 src/main/java/tools/AutoJCE.java     | 61 ----------------------------
 2 files changed, 65 deletions(-)
 delete mode 100644 src/main/java/tools/AutoJCE.java

diff --git a/src/main/java/net/server/Server.java b/src/main/java/net/server/Server.java
index 58bc95252d..2d564cae79 100644
--- a/src/main/java/net/server/Server.java
+++ b/src/main/java/net/server/Server.java
@@ -62,12 +62,10 @@ import server.TimerManager;
 import server.expeditions.MapleExpeditionBossLog;
 import server.life.MaplePlayerNPCFactory;
 import server.quest.MapleQuest;
-import tools.AutoJCE;
 import tools.DatabaseConnection;
 import tools.FilePrinter;
 import tools.Pair;
 
-import java.security.Security;
 import java.sql.Connection;
 import java.sql.PreparedStatement;
 import java.sql.ResultSet;
@@ -958,8 +956,6 @@ public class Server {
     }
 
     public static void main(String[] args) {
-        Security.setProperty("crypto.policy", "unlimited");
-        AutoJCE.removeCryptographyRestrictions();
         Server.getInstance().init();
     }
 
diff --git a/src/main/java/tools/AutoJCE.java b/src/main/java/tools/AutoJCE.java
deleted file mode 100644
index 5ab9a175e5..0000000000
--- a/src/main/java/tools/AutoJCE.java
+++ /dev/null
@@ -1,61 +0,0 @@
-package tools;
-
-import java.lang.reflect.Field;
-import java.lang.reflect.Modifier;
-import java.security.Permission;
-import java.security.PermissionCollection;
-import java.util.Map;
-
-public class AutoJCE{   // AutoJCE into server source thanks to Acernis dev team
-
-	/**
-	 * Credits: ntoskrnl of StackOverflow
-	 * http://stackoverflow.com/questions/1179672/
-	 */
-	public static byte removeCryptographyRestrictions(){
-		if(!isRestrictedCryptography()){
-			//System.out.println("Cryptography restrictions removal not needed");
-			return 0;
-		}
-		try{
-			/*
-			 * Do the following, but with reflection to bypass access checks:
-			 *
-			 * JceSecurity.isRestricted = false;
-			 * JceSecurity.defaultPolicy.perms.clear();
-			 * JceSecurity.defaultPolicy.add(CryptoAllPermission.INSTANCE);
-			 */
-			final Class<?> jceSecurity = Class.forName("javax.crypto.JceSecurity");
-			final Class<?> cryptoPermissions = Class.forName("javax.crypto.CryptoPermissions");
-			final Class<?> cryptoAllPermission = Class.forName("javax.crypto.CryptoAllPermission");
-			final Field isRestrictedField = jceSecurity.getDeclaredField("isRestricted");// was set to final in Java 8 Update 112. Requires you to remove the final modifier.
-			Field modifiersField = Field.class.getDeclaredField("modifiers");
-			modifiersField.setAccessible(true);
-			modifiersField.setInt(isRestrictedField, isRestrictedField.getModifiers() & ~Modifier.FINAL);
-			isRestrictedField.setAccessible(true);
-			isRestrictedField.set(null, false);
-			final Field defaultPolicyField = jceSecurity.getDeclaredField("defaultPolicy");
-			defaultPolicyField.setAccessible(true);
-			final PermissionCollection defaultPolicy = (PermissionCollection) defaultPolicyField.get(null);
-			final Field perms = cryptoPermissions.getDeclaredField("perms");
-			perms.setAccessible(true);
-			((Map<?, ?>) perms.get(defaultPolicy)).clear();
-			final Field instance = cryptoAllPermission.getDeclaredField("INSTANCE");
-			instance.setAccessible(true);
-			defaultPolicy.add((Permission) instance.get(null));
-                        
-			//System.out.println("Successfully removed cryptography restrictions");
-                        return 1;
-		}catch(final Exception e){
-			e.printStackTrace();
-                        
-                        System.err.println("Failed to remove cryptography restrictions");
-                        return -1;
-		}
-	}
-
-	private static boolean isRestrictedCryptography(){
-		// This simply matches the Oracle JRE, but not OpenJDK.
-		return "Java(TM) SE Runtime Environment".equals(System.getProperty("java.runtime.name"));
-	}
-}
\ No newline at end of file