diff --git a/LaunchServer/src/main/java/ru/gravit/launchserver/LaunchServer.java b/LaunchServer/src/main/java/ru/gravit/launchserver/LaunchServer.java
index 2d0d3d86..71d630df 100644
--- a/LaunchServer/src/main/java/ru/gravit/launchserver/LaunchServer.java
+++ b/LaunchServer/src/main/java/ru/gravit/launchserver/LaunchServer.java
@@ -18,6 +18,7 @@
 import java.security.spec.InvalidKeySpecException;
 import java.time.Duration;
 import java.time.Instant;
+import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.Comparator;
@@ -245,12 +246,14 @@ public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IO
 
     public static class PostBuildTransformConf extends ConfigObject {
         public final boolean enabled;
-        public String script;
+        public List<String> script;
 
         private PostBuildTransformConf(BlockConfigEntry block, Path coredir) {
             super(block);
             enabled = block.getEntryValue("enabled", BooleanConfigEntry.class);
-            script = enabled && block.hasEntry("script") ? block.getEntryValue("script", StringConfigEntry.class) : null;
+            script = new ArrayList<>(1);
+            if (block.hasEntry("script"))
+            	block.getEntry("script", ListConfigEntry.class).stream(StringConfigEntry.class).forEach(script::add);
         }
     }
 
diff --git a/LaunchServer/src/main/java/ru/gravit/launchserver/auth/hwid/MysqlHWIDHandler.java b/LaunchServer/src/main/java/ru/gravit/launchserver/auth/hwid/MysqlHWIDHandler.java
index 49a9fa70..676b3aca 100644
--- a/LaunchServer/src/main/java/ru/gravit/launchserver/auth/hwid/MysqlHWIDHandler.java
+++ b/LaunchServer/src/main/java/ru/gravit/launchserver/auth/hwid/MysqlHWIDHandler.java
@@ -24,7 +24,7 @@ public class MysqlHWIDHandler extends HWIDHandler {
     private final String banMessage;
     private final String isBannedName;
     private final String loginName;
-    private final String hwidName, cpuName, biosName;
+    private final String hwidName;
     private final String[] queryParams;
     private final String queryUpd;
     private final String[] queryParamsUpd;
@@ -49,10 +49,6 @@ public MysqlHWIDHandler(BlockConfigEntry block) {
         banMessage = block.hasEntry("banMessage") ? block.getEntryValue("banMessage", StringConfigEntry.class) : "You HWID Banned";
         hwidName = VerifyHelper.verify(block.getEntryValue("hwidName", StringConfigEntry.class),
                 VerifyHelper.NOT_EMPTY, "hwidName can't be empty");
-        cpuName = VerifyHelper.verify(block.getEntryValue("cpuName", StringConfigEntry.class),
-                VerifyHelper.NOT_EMPTY, "cpuName can't be empty");
-        biosName = VerifyHelper.verify(block.getEntryValue("biosName", StringConfigEntry.class),
-                VerifyHelper.NOT_EMPTY, "biosName can't be empty");
 
         queryUpd = VerifyHelper.verify(block.getEntryValue("queryUpd", StringConfigEntry.class),
                 VerifyHelper.NOT_EMPTY, "MySQL queryUpd can't be empty");
diff --git a/LaunchServer/src/main/java/ru/gravit/launchserver/binary/JARLauncherBinary.java b/LaunchServer/src/main/java/ru/gravit/launchserver/binary/JARLauncherBinary.java
index 213f20da..88d60a66 100644
--- a/LaunchServer/src/main/java/ru/gravit/launchserver/binary/JARLauncherBinary.java
+++ b/LaunchServer/src/main/java/ru/gravit/launchserver/binary/JARLauncherBinary.java
@@ -7,11 +7,12 @@
 import java.io.IOException;
 import java.nio.file.*;
 import java.nio.file.attribute.BasicFileAttributes;
+import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
-import java.util.StringTokenizer;
-import java.util.jar.JarFile;
 import java.util.Map.Entry;
+import java.util.jar.JarFile;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipException;
 import java.util.zip.ZipInputStream;
@@ -69,6 +70,7 @@ public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IO
         }
     }
 
+    // TODO: new native security wrapper and library...
     @SuppressWarnings("unused")
 	private final class GuardDirVisitor extends SimpleFileVisitor<Path> {
         private final ZipOutputStream output;
@@ -187,15 +189,12 @@ public void build() throws IOException {
     }
 
     private void transformedBuild() throws IOException {
-    	String cmd = CommonHelper.replace(server.config.buildPostTransform.script, "launcher-output", IOHelper.toAbsPathString(syncBinaryFile), "launcher-obf", IOHelper.toAbsPathString(obfOutJar), "launcher-nonObf", IOHelper.toAbsPathString(binaryFile));
+    	List<String> cmd = new ArrayList<>(1);
+    	server.config.buildPostTransform.script.forEach(v -> CommonHelper.replace(v, "launcher-output", IOHelper.toAbsPathString(syncBinaryFile), "launcher-obf", IOHelper.toAbsPathString(obfJar), "launcher-nonObf", IOHelper.toAbsPathString(binaryFile)));
     	ProcessBuilder builder = new ProcessBuilder();
     	builder.directory(IOHelper.toAbsPath(server.dir).toFile());
     	builder.inheritIO();
-    	StringTokenizer st = new StringTokenizer(cmd);
-        String[] cmdarray = new String[st.countTokens()];
-        for (int i = 0; st.hasMoreTokens(); i++)
-            cmdarray[i] = st.nextToken();
-        builder.command(cmdarray);
+        builder.command(cmd);
     	Process proc = builder.start();
     	try {
 			LogHelper.debug("Transformer process return code: " + proc.waitFor());
@@ -297,6 +296,7 @@ public void tryUnpackRuntime() throws IOException {
         // Unpack launcher guard files
         Files.createDirectory(runtimeDir);
         LogHelper.info("Unpacking launcher runtime files");
+        if (Launcher.class.getResource("/runtime.zip") == null) return;
         try (ZipInputStream input = IOHelper.newZipInput(IOHelper.getResourceURL("runtime.zip"))) {
             for (ZipEntry entry = input.getNextEntry(); entry != null; entry = input.getNextEntry()) {
                 if (entry.isDirectory())
@@ -316,6 +316,7 @@ public void tryUnpackGuard() throws IOException {
         // Unpack launcher guard files
         Files.createDirectory(guardDir);
         LogHelper.info("Unpacking launcher native guard files");
+        if (Launcher.class.getResource("/guard.zip") == null) return;
         try (ZipInputStream input = IOHelper.newZipInput(IOHelper.getResourceURL("guard.zip"))) {
             for (ZipEntry entry = input.getNextEntry(); entry != null; entry = input.getNextEntry()) {
                 if (entry.isDirectory())
diff --git a/LaunchServer/src/main/java/ru/gravit/launchserver/response/auth/AuthResponse.java b/LaunchServer/src/main/java/ru/gravit/launchserver/response/auth/AuthResponse.java
index aa3f2612..093f9b26 100644
--- a/LaunchServer/src/main/java/ru/gravit/launchserver/response/auth/AuthResponse.java
+++ b/LaunchServer/src/main/java/ru/gravit/launchserver/response/auth/AuthResponse.java
@@ -20,7 +20,6 @@
 import ru.gravit.launcher.serialize.signed.SignedObjectHolder;
 import ru.gravit.launchserver.LaunchServer;
 import ru.gravit.launchserver.auth.AuthException;
-import ru.gravit.launcher.HWID;
 import ru.gravit.launchserver.auth.hwid.HWIDException;
 import ru.gravit.launchserver.auth.provider.AuthProvider;
 import ru.gravit.launchserver.auth.provider.AuthProviderResult;
diff --git a/LaunchServer/src/main/resources/guard.zip b/LaunchServer/src/main/resources/guard.zip
deleted file mode 100644
index c2d3f43e..00000000
Binary files a/LaunchServer/src/main/resources/guard.zip and /dev/null differ
diff --git a/LaunchServer/src/main/resources/ru/gravit/launchserver/defaults/config.cfg b/LaunchServer/src/main/resources/ru/gravit/launchserver/defaults/config.cfg
index 4eb24654..fa9dba4d 100644
--- a/LaunchServer/src/main/resources/ru/gravit/launchserver/defaults/config.cfg
+++ b/LaunchServer/src/main/resources/ru/gravit/launchserver/defaults/config.cfg
@@ -42,10 +42,10 @@ textureProviderConfig: {
     cloaksURL: "http://skins.minecraft.net/MinecraftCloaks/%username%.png";
 };
 
-# Jar signing
+# Build operation
 buildExtendedOperation: {
     enabled: false;
-    script: "java -jar myTransformer.jar %launcher-obf% %launcher-output% %launcher-nonObf%";
+    script: [];
 };
 
 # Binaries name
diff --git a/LaunchServer/src/main/resources/ru/gravit/launchserver/defaults/proguard.cfg b/LaunchServer/src/main/resources/ru/gravit/launchserver/defaults/proguard.cfg
index 56240dcb..c08bbda3 100644
--- a/LaunchServer/src/main/resources/ru/gravit/launchserver/defaults/proguard.cfg
+++ b/LaunchServer/src/main/resources/ru/gravit/launchserver/defaults/proguard.cfg
@@ -14,17 +14,14 @@
 
 -overloadaggressively
 -repackageclasses 'ru.gravit.launcher'
--keep class ru.zaxar163.*
--keep class cpw.mods.fml.*
--keep class net.minecraftforge.fml.*
 -keepattributes SourceFile,LineNumberTable,*Annotation*
 -renamesourcefileattribute SourceFile
 -keepattributes Signature
 -adaptresourcefilecontents META-INF/MANIFEST.MF
 
--keeppackagenames com.eclipsesource.json.**,com.mojang.**,org.apache.**,com.google.gson.**
+-keeppackagenames com.mojang.**,net.minecraftforge.fml.**,cpw.mods.fml.**,oshi.**,com.sun.jna.**,com.google.gson.**
 
--keep class com.mojang.**,org.apache.**,com.google.gson.**,com.eclipsesource.json.** {
+-keep class com.mojang.**,net.minecraftforge.fml.**,cpw.mods.fml.**,oshi.**,com.sun.jna.**,com.google.gson.**,org.slf4j.**,oshi.jna.**,com.sun.jna.** {
     *;
 }
 
diff --git a/Launcher/runtime/dialog/overlay/update/update.js b/Launcher/runtime/dialog/overlay/update/update.js
index 98182596..4fa29a64 100644
--- a/Launcher/runtime/dialog/overlay/update/update.js
+++ b/Launcher/runtime/dialog/overlay/update/update.js
@@ -77,9 +77,8 @@ function offlineUpdateRequest(dirName, dir, matcher, digest) {
             return;
         }
 
-        // Verify dir with matcher using ClientLauncher's API
-        ClientLauncher.verifyHDir(dir, hdir.object, matcher, digest);
-        return hdir;
+        // Verify dir with matcher using FunctionalBridge`s API
+        return FunctionalBridge.offlineUpdateRequest(dir, hdir, matcher, digest).run();
     };
 }
 
diff --git a/Launcher/src/main/java/ru/gravit/launcher/LauncherEngine.java b/Launcher/src/main/java/ru/gravit/launcher/LauncherEngine.java
index 2c78dcfc..af7d307f 100644
--- a/Launcher/src/main/java/ru/gravit/launcher/LauncherEngine.java
+++ b/Launcher/src/main/java/ru/gravit/launcher/LauncherEngine.java
@@ -215,7 +215,7 @@ public void start(String... args) throws Throwable {
         Launcher.modulesManager.initModules();
         // Load init.js script
         FunctionalBridge.worker = new RequestWorker();
-        CommonHelper.newThread("FX Task Worker", true, FunctionalBridge.worker);
+        CommonHelper.newThread("FX Task Worker", true, FunctionalBridge.worker).start();
         loadScript(Launcher.API_SCRIPT_FILE);
         loadScript(Launcher.CONFIG_SCRIPT_FILE);
         LogHelper.debug("Dir: %s", DirBridge.dir);
diff --git a/Launcher/src/main/java/ru/gravit/launcher/RequestWorker.java b/Launcher/src/main/java/ru/gravit/launcher/RequestWorker.java
index 992b78e7..b66d316a 100644
--- a/Launcher/src/main/java/ru/gravit/launcher/RequestWorker.java
+++ b/Launcher/src/main/java/ru/gravit/launcher/RequestWorker.java
@@ -13,6 +13,7 @@ public RequestWorker()
     public BlockingQueue<Runnable> queue;
     @Override
     public void run() {
+        LogHelper.debug("FX Task Thread start");
         while (!Thread.interrupted())
         {
             try {
@@ -24,5 +25,6 @@ public void run() {
                 return;
             }
         }
+        LogHelper.debug("FX Task Thread done");
     }
 }
diff --git a/Launcher/src/main/java/ru/gravit/launcher/client/ClientLauncher.java b/Launcher/src/main/java/ru/gravit/launcher/client/ClientLauncher.java
index 08a5dd74..6a1ff33f 100644
--- a/Launcher/src/main/java/ru/gravit/launcher/client/ClientLauncher.java
+++ b/Launcher/src/main/java/ru/gravit/launcher/client/ClientLauncher.java
@@ -546,7 +546,7 @@ public static void verifyHDir(Path dir, HashedDir hdir, FileNameMatcher matcher,
             matcher = matcher.verifyOnly();
 
         // Hash directory and compare (ignore update-only matcher entries, it will break offline-mode)
-        HashedDir currentHDir = new HashedDir(dir, matcher, false, digest);
+        HashedDir currentHDir = new HashedDir(dir, matcher, true, digest);
         if (!hdir.diff(currentHDir, matcher).isSame())
             throw new SecurityException(String.format("Forbidden modification: '%s'", IOHelper.getFileName(dir)));
     }
@@ -554,81 +554,3 @@ public static void verifyHDir(Path dir, HashedDir hdir, FileNameMatcher matcher,
     private ClientLauncher() {
     }
 }
-
-// It's here since first commit, there's no any reasons to remove :D
-// ++oyyysssssssssssooooooo++++++++/////:::::-------------................----:::----::+osssso+///+++++ooys/:/+ssssyyssyooooooo+++////:::::::::-::///++ossyhdddddddhhys/----::::::::::::::/:////////////
-// ++oyyssssssssssoooooooo++++++++//////:::::--------------------------------:::::-:::/+oo+//://+oo+//syysssssyyyyyhyyyssssssoo+++///::--:----:--:://++osyyhdddmddmdhys/------:::::::::::::::///////////
-// ++syyssssssssssoooooooo++++++++///////:::::::::::::::-----------------------::--::/++++/:--::/+++//osysshhhhyhhdyyyyyssyssoo++//::-------------::/+++oyhyhdddmddmdhy+--------::::::::::::::://///////
-// ++ssssssssssssooooooooo++++++///////::::::::-------------------------------------::/+//:----://+//+oyhhhddhhdhhhyhyyyyhysoo+//::----------------://++oshhhhmddmddmhhs:---------:::::::::::::::///////
-// ++sssssssssssooooooooo++++////::::::::::------------------------------------:---:::///:-----://++osyhddddhdddhhhhhyyhdysso+/::-------------------://+ooyhhddmddmdmdhy/----------::::::::::::::://////
-// ++sssssssssoooooooo+++////::::::::::-------------------------------------::///::::///::--::/++osyhhddmmdhddddhhhhhyhdhyso+/:----------------------::/++oyhdhdmmmmmddho-------------::::::::::::://///
-// /+ssssssssosooo+++/////::::::::::----------------------------------:::::://+++ooossso////++oosyhddddmmdhddddhhhhhhhdhyddhs+:-----------------------::/++syhddmmmmdddho--------------::::::::::::::///
-// /+sssssssooo+++//////::::::::::-------------------------------:::://++++ooooooooooooo+/+oosyyhhddddmmddddddhhhhhhhdhyyssyyhs+::-------------::://++/+/o++shddddmmmddh+----------------::::::::::::://
-// /+sssooso++++/////::::::::::::------------------------::::::///++o++//:--...............-/osyyhddmmmmddddhhhhhyyhdhhdmddhysoso::--------::/osyyyssyyssssoosdmddddddy+:-------------------:::::::::::/
-// /+sssooso+++////::::::::::::--------------------:::::////++o+//:-......................--+ossydddmmdmmdddhhhhyyhddyyydmhhooo++/:-------::/+oshhhyso+/://++ohmmmdhhy+:---------------------:::::::::::
-// /+sooooso++/////:::::::::::--------------:::::///+++oo+//:-............................-/+oyydddmmddddddhhhyyyhhhyysosss+:/+///:--.---://+o/ohhdhoyyo+/://+ymmdhsyo:------------------------:::::::::
-// /+ooooooso+////:::::::::------------:::::///++oooo/:-..................................:/oyyyhdmdddddddhhhhyyhyss++///:::/::::/:-...--::://-/shy+-:+s+/::/+hdhysos/--------------------------::::::::
-// /+oooooooo++///::::::::::-:----:::::::///+oosyy/-.....................................-/+syhhddddddddhhhhhhhysso+/::::-----:::::-..------:::::////:::::::/sdysso+o:..----.--------------------:::::::
-// /+ooooooooo++///:::::::::::::::::::///++osyhmmdo:-...................................-/+syyhdddddddddhdddmmhys+/::----------:::--..---------::::::-----::+dhsoso++:....--.--..----------------:::::::
-// /ooooooooooo++///::::::://///++oooosssyydddhdhs+so/+++:-............................./+syyhdddddddddddddmmmhs+//:------------:--..---------------------:/hdsooso+/-....--.....------------------:::::
-// /oooooooo++++o++//:::::::///++ossso+ooosysos++o/so//////--..........................:yhddhdddmmdddmmmdddmddhs+/::----------:::---.--------------------:/hdhsooso+/-.....-........----------------::::
-// /ooooooo+++++++++//:::::::::/+o+ooooyyso+oo/++o/oo///://////::--...................-sdhddhddmmdhdmmmddhhdmNds+/:::--------:/:------------------------::sdhyooyso+:-...............---------------::::
-// /ooooooo+++++++++++//:::://+++++ssyys+/+y+///++/so///:://://::::/---://............-smdddddmmhyhhdddhhsydmNmyo//:::------://:--------:::------------::odhysshyo++-................---------------::::
-// /oooooo+++++++++++/+o+/++++++++ohhoo+//yo//:/+//so:/:////::+////+///+so/++/:--------:hdddmdhyssyhhddhsosdmNmho+/:::------////:------::::-----------::+hdhhhyyo+o/-................----------------:::
-// /ooo++o++++++++++//+oooooo++++oyyoo+//os+////+//so/://::////+///+//+ssooo+++++++/++//odhhhyoooosyhhhysoodmmNds+//:::-----:++o+/:::/+//:----------::/+ydhyyyyo+oo:...................--------------:::
-// /oooo+++++++++++/////+ossoooooss++////+so/::++//os://:/::://////++/os+++++++/++++++++osyso++++osyyyyssoodmmmmyo+/::::-----::/++++////:--------::::/+shhysoso+ss/.....................------------:::/
-// +ooo++++++++++/////////+oooosso////:::+oso/:/+//oy+//:///://////+//o+/++////////++++ooooo++++ossyhhsoosodmmmmds+//////::::::::::::---------::::://+shhyso+++ss:........................----------:://
-// +ooo++++++++++///////////////++++//:::/++o////+/+yo//////////////:/o:/+//////////+oooo+oooo++ooyyyyysssshmmmmmds+//////+++++///:::::::::::::::://+syhhso+++oo/..........................---------::/+
-// +o+o+++++++++///////////////::///++//:::/+///////oy+///://///////-++:+/://://::/++so++ooooooossysyyhhssyhmmmmNmds+//:::/++++oooooooo+++//:::::/+oosyys++oso+/-..........................--------:://+
-// +oo+++++++++/////////////////:::://++//////:/+/:/+ss+//////++///:://///::://:://++o++ossssyyssosyyhhyssydmmmmNNmmyo//////++///////////::::::/+oooosossssyyo/-...........................--------://++
-// +++++++++++//////////////::/::::::::///++/:///:://oss//:////++//::+/////:::/:://+so++ssyyhhhoosyyyysoosydmmmNNmmmmho+//::////+++++///:::::/+osssssshmdssyyo-............................-------::/+++
-// +oo++++++++++/////////////:/::::::::::://+/////:/:+oso+:////++/://+++++++/::///+oooosyyyhhhsossssso+osshmmmmNmmmmmdys+/::::---:::::::::/+osyyyssyddmmhsyhy+-.............................-----:://+++
-// +o++++++++++///////////:/::::::::::::---::/+++/::::+oso/::/://:://++++o+:::+//++ssooyyyhhyyssssoo++sssymmmmNmmmmmmhysso/:::::-----:::/+yhhhyyyhddmmdhhyhys+:-............................-----://+++/
-// ++++++++++++/////////////::::::::----------://////:/+oso+/:::::://+++o+//+ooooo+++oshyhhhysssso++ososhmNNNNNmmmmhhyoooooo+/////://+oyhmmdhhyhdddddhyyysssoo+:--.........................-----://++//:
-// o++++++++++/////////////:::::::::-------------:////::/ooo/:::::///+os++ssyyyyssssssyhhhysssssoooooosdmNNNNNmmmdhsss+++ooooooossyyhdmmmmdhyysyhhyssooooossooys+//:--.....................----::/+++/::
-// o+++++++++//////////////::::::::----------.....-://////+oo+:://://ooooyhhhhdddhhhyhhhhyssssssssooshmNNNNNNNmmmdooo++//++oooossshddmmmddys++ooo+/+++ossyhhyyyyysoo+//:--.................----://++/:::
-// ++++++++++//////////////:::::::--------..........-::///:/+++::::/+o+/ohhhhhhyyyyyyhhhysyyysyyyyhdmNNNNNNNNmmmhso++//:///+ooossydddmmmddhyysso+/++ossshddddddhyyso++++////::::::--.......---://++/:-::
-// o+++++++++///////////////:::::::------..............-:////++/:///+osoyhhhhyssssyhhdddhhhyyhhdmmmmmmmmmmmmmmmho+oo+/::::///+++oyhhdmmmddhhysoo+oosyhhdmmmddddhhyssoo+++++++++++///:-....---://++//-:::
-// +++++++++//+///////////:/::::::------.................-://////////+ossyyyyyhhhhddddhhhhddmmmmddddmmmmmmmmmdyo+++os/::::::://+ydhhmmmddddddddddmmmmmmmmmmmmddhyyysoo+o+++//++////::::-----::/++//--::+
-// +++++++++///////////////:::::::------....................-:///++/::+syyyhhhhhhhhhhhhddmmmddddddddmmmmmmmmdso++++++++/:::://ohdhydmmddddhdmmmmmmhhdmmmmmmmmmhhyyyysooso+/+////////////:::::/+++/:-::++
-// ++++++++++//////////////:/:::::------......................-:/+/:::+shhdhhhhhhhhhdddmmmddddhhhhhddmmmmmmdyo+++++/+/++++++oydmdhyhdddhhsssydmdmmddddddmmmmmdhhsyysoso++++///+//////://+//////+/:-::/o:
-// ++++++++++/////////////://:::::------.........................::::/osdmmmmmddddddddddhhysssooosyhdmmmmmdsooo+o++/+++++++shmmddhyyhmhso/+shhdmddhhhdmmmmddhhyyysoooo//+++/://///:/+//+///////::-::/o/:
-// +++++++++++////////////:/::::::-----..........................-:://+oymmmmmddddhhhhhhhhyysoo+osyhhdmdhyoo/++so++++oooooohmmmmdhhyhdh+//+ydhyssshddmmdhhhyyssso+/+o+//+////:////+//+////+////+++////:-
-// +++++++++//////////////://:::::-----.........................-::::///oyddddhhhhhdmdddhddhhysssyhhdmdyo++o/+/+oooo+++o+osdmmmmdhhyhdd+/+syo++oshddhyyhhyssooo+///+/++/+++/://:/+/++++o++oooooso++oo++/
-// o+++++++++///////////////::::::-----.........................::::::++o+shmdyhhsyhdddmmddddhsosyhhmmh++/+o+/+/++++ooososhmddddhyyso++oosso++osyyhhddmdysooo+//+/o+++/+/o//o+/++++/+ooosssooooo+++++/++
-// o+++++++++///////////////:::::------........................-::::::+ossyyhyo+++shddmmdyyhyo//osysdds//++++o+/++o+o++oosdhdddhhyyysoooysoosyyyhdddhmmss+o+o++//+/+++//+++++oo++/oossssssssoooooooo++++
-// o++++++++++/////////////:/::::-----.........................:::::/oyysyysooo+oyhdddmdhhddh+++osyhdh//////++o+///++ooooyshdmmmmdddhdhssshhysydmmysshyoo++++++/+++////+o+ooso+++ssyyyyyyyyysssooooo+o++
-// ooo+++++++++//////////////::::-----.........................:-:::ohdhhhhysssssyhhhyhhhdmmd+++oyddho////:/++++++/+/+++oshmmmmmdhyyyssyhdysshmmmdhyysoo+/+o+//++/+//++ososso++syhyyyhyyyyyyyysssysssyss
-// ooo+++++++++////////////::::::------.......................---::+hddhhyysoosoooosssooosyyyssyhdhho+///////////+/+++++symmmdys+//+oyhhyssyhdmmmmmhyo+++++++/+++++oo++ohssoooyhhhhhhhyyyhyhhyyhyyhyyyyy
-// ooo++++++/++/////////////::::::-----.......................:::/:/+sssyyysssyo++oosyhhhhyyssoo+oooo+///////////+++++oyhddhysssyyhdddhysoshmNNNNmmyoo+++++++/+/++++o+osdyssoyhhhhhhhhhhhhhhyhhhhhhhhhhh
-// oooo++++++++/////////////::::::-----.......................:::::///++ooooo++/:/+syhhddys++/:/+++o+++////++////+++osysydhydmddddyshysoshmmmmmNNmyooo+oo+++++/++oooooshdyoyyhhhhhhhhhhdhhhhhdhhhhdhhhhd
-// ooo+++++++++/////////////::::::----.......................-://::::://////:///://ooooo+////////++oo++++////++//oosyhyyyyshddmmhyhyysyhmNmdddmNdysooooosooooooooooso+shdysyhdhhhhhhhdddhdhdddddddhhhddd
-// oooo+++++++++////////////::::::----.......................::/:::::///////://::::::::::://:/::/++oo+++////++++oohyhhhhhhsydmdhhhyyhhyymmmdddmmyssoooosysossosoo+ssossddysydhhddhhddhhddddddddddddhdddd
-// oooo+++++++++/++//////////::::-----......................-:::::::///////::/:::::::::::::::::/:/++oo++++++/++ssyhhddddhyyohmddhhddhyhhmmmddmmdsssoosssosssossooossoyhmhyyhdhddddhhhdhhddddddddhddddmdd
-// oooo+++++++++//+//////////::::----.......................-:::::///:/::::::/::::-::::/:-:::::///++ooooo+++++shhdddddhhyyhysdddhdmdhhddmdhhydmhssosssysssssssoosssssyhmysyddddddhdhdddddddddddddddmdddd
-// ooooo+++++++++++//////////::::----.......................::::::://://:::://::-:::-::::::::::////++oosoo+o+oyhhdddddhhhhddyyhyhddhhhdmmmhyyddhssssssyyysssssssssysyyddyyhddddddddhhhhhddddddddmddddddm
-// ooooo+o++++++++++/////////::::----.......................::::::/:///::::::::::::::::::::/:::::///++osssososssyhddddhhhhdddssoossyhdmmmmhyyhhhyssyyyyysyyyssyssssshhmhyhdddddddddddhdhhddmddmdddddhdmm
-// ooooooo++++++++++/////////:::-----......................-:::::/::::/:/::://::::/::::::::::::::/:://+ooosssyysyyyyyyyhddmmysssssyyhhddmdhysyhhyyyyyyyysyyyyysssyysyydhydddddddhddddhddddddddddddhddmmm
-// ooooooo+++++++++++////////:::-----......................:::::/:::://:-::/:://::/::::-:::::::::/:/::/++oosssyyysssssyhdddhsyysssyyhhddhhyssyyyyyyyyysyyssyyyyyyyyyhhdyhdddhddddhddddddmmddddddhdddmmmm
-// ooooooo+o+++++++++++//////:::-----.....................-::::::/:///:::::::::/::/::::::::::/::/:///::////+oosyysssyssyyyysssyhyyhddmmdyysoossyssyyysssyyssysyyyyshyddhddhhhddhdddddddddmddhdddhhdhhdmm
-// ooooooooo++++++++++///////:::-----.....................-::::////:::::::::::::::::::://::::/-:::::/:://::///+osyyssosossssssysyhdddddhysoosssyyssssyssyyyyyysssyshddddddhddddddddddmddddhdhhhddddmmmmm
-// oooooooooo+o++++++++++////::::----.....................::://::::/::::::::::::::/:://::::::::::/::::::///////++ooooosoo+ososssshddhhysssooossssssssyssysyyyyyysysyhddddddddddddddddddddhddhhhddddmmmmd
-// soooooooooo+++++++++++////::::----....................-:::::////:::/:::::::/::://///:/::::::::/:///://:/://+//+++++++oo+ooooooshdyyyssossoosssyssyysssssyyyyysssshdddddddddddddddddddhhhdhhhddmmmmdmd
-// sssooooooooo++++++++++////::::----....................-:::/:://///:::::::::::::/://:/::://::::::://:::/://///++/+++/+++o+oosssyyysssyysosoososysssyysyyyyhysyssyyhdddddddddddddddddhddhddhddmmmmmdmmm
-// ssssoooooooo++++++++++////:::::----...................:::::://::::::::::::-::://///:////::/:/:::://///:://://+o++++++oooosoosoossoososssooososssssyyyyyssyyyssyyyhmmdddhhhhhhhddhdddddddddmmmmmmddmmm
-// sssoooooooooooo+++++++/////::::----...................:://///:/:::::::::::::::://///////////+/:/://://::////+++++++ooossoossososososssoososossssssyssyyyyyyyyyysyhdhhhhhhhhhhhdhhhhhdddddmmmmmmddmmNN
-// ssssoooooooooooo+++++++////::::----..................-::::/:/:::::::::::::://:::://///:/:///////////:://+/++++++oooooooosssssoosssssssosooosooossssyyysyyysyyyysoyyooossssyyhhhddhddhhhhhddmmmmmmmmmm
-// ssssssoooooooooooo++++++///:::------.................::::::://:::::::-:::::/::://////:///////////////////++o++oo+ooooosoossossosssossssoosoosoosssyysyyyysyyssysoyo+oooo//+osossosyhhhhhhddmmddmmmmdm
-// sssssssosooooooooooo++++///::::-----................./::::/:/:::::::::-::/:::/://///////////+//++/++//+oo+oo++ooo+ooooosssosoossssysosssssooooossysyyyyysyyyyyssoo++ooo+//+s/:---::/+oosyyyhhhhdmmmmm
-// yssssssssssoooooooo+++++///::::-----................://::::::/:/::::::-::/::::://///////////////+/++++++oo+++oooooo+oooosssossosysosssosssoooosssyyyyyyyyyyyysso++++++//:/o/:--::::::::::/++oossymmmm
-// yysssssssssssooooooo++++////:::------..............-///:::/:::/:::/::::://:::::::///////////////++++++o++++o++oo+ooooooooosysosssssoosssssosoossyyyyyssyyyyysss++oooo+///oo/::::-::::::::::::////sdmm
-// yyysssssssssssooooooo++++///:::-------.............:/:::/:/:::::::::://://::/::::/:////////+/////++++++oo+ooo++oooo+oooossssssssssoossoooooossssyyyyyyyyyyyysso++ooo/--:/:.::::..::::-..-::://////ohm
-// yyyssssssssssssoooooo++++///::::------............-/:::/://///:::::::::://::/::::::////:///+/+++/++++++/++++++o+o++oooooooosssssoossssssssosssssyyyyyyyyyyyyso++ooo:./.-+-.---...--:::.--::::://////o
-// yyyysyssssssssssoooooo+++///::::--------.........-/:::::////::/::::::::::/:://:/:::///////////+/+++++//++++++++oo+++ooosoooossssssossoosssssssssyyyyyyyyyyysoo+oooo`:+.+.--.--.-::.-.----::-:.///////
-// yyyyyyyyyssssssssooooo+++///:::::----------......:///:::://///:::::::::::://:/:::://///////+////++++////+++++++++o++oooosssososossossososssssysyyysyyyyyyysso+oooo+--:-+-.-.-------::----:--:-://////
-// yyyyyyyyyyssssssssoooo++++//:::::-------------.--////://::/:::::/::::/:::://:/::::/:/:///////+//+++///+//++/++++o++++ooooooosssossssosoossssssssssyyyyyyyyso++ooso++/o+/::::::::::::::://////////////
-// yyyyyyyyyyyssssssssoooo+++///::::---------------:////////////:/:///::::://////::::::://///////+/++////+//+/++++++++ooosooooooososoosososssosyyyssyysyyyyysso+oso+//+oo/:::::::::::::/:::///////////++
-// yyyyyyyyyyyyysssssssooo+++///:::::---------------+////:///:///:::::///::://///:::/:::///////////++/++++///++++/++o+oooooooooosoososoossssssssysssyyyyyyysoo+ooso+++ss/::::::::::::::://///////////+++
-// hhyyyyyyyyyyyyyssssssooo++///:::::---------------/////////:////://:///::://///://::://////////++////+///+///++o++++ooooooooooooooooooooososososssyssssysooo+oso+++os+:::::///////////////////////++++
-// hhhyyyyyyyyyyyyyyssssooo+++///::::---------------:////////////:////////:://///::://////////++/+++//////+++++++++++++++oo+++o+ooososooosssoossssssssssssooo+osso+oos+:::////////////////////////++++++
-// hhhhhhyyyyyyyyyyyyssssoo+++////:::::--------------:///////////:///://///:///////:///://///++/++++//++/++++/++++++++++++++o+oooooooosoosssssoosssssssssso++ossooooyo/:///////////////////////++++++++o
diff --git a/Launcher/src/main/java/ru/gravit/launcher/client/FunctionalBridge.java b/Launcher/src/main/java/ru/gravit/launcher/client/FunctionalBridge.java
index 96b0172d..365a4414 100644
--- a/Launcher/src/main/java/ru/gravit/launcher/client/FunctionalBridge.java
+++ b/Launcher/src/main/java/ru/gravit/launcher/client/FunctionalBridge.java
@@ -26,7 +26,7 @@ public class FunctionalBridge {
     public static OshiHWIDProvider hwidProvider = new OshiHWIDProvider();
 
     @LauncherAPI
-    public HashedDirRunnable offlineUpdateRequest(String dirName, Path dir, SignedObjectHolder<HashedDir> hdir, FileNameMatcher matcher, boolean digest) throws Exception {
+    public static HashedDirRunnable offlineUpdateRequest(String dirName, Path dir, SignedObjectHolder<HashedDir> hdir, FileNameMatcher matcher, boolean digest) throws Exception {
         return () -> {
             if (hdir == null) {
                 Request.requestError(java.lang.String.format("Директории '%s' нет в кэше", dirName));
@@ -37,7 +37,7 @@ public HashedDirRunnable offlineUpdateRequest(String dirName, Path dir, SignedOb
     }
 
     @LauncherAPI
-    public LegacyLauncherRequest.Result offlineLauncherRequest() throws IOException, SignatureException {
+    public static LegacyLauncherRequest.Result offlineLauncherRequest() throws IOException, SignatureException {
         if (settings.lastDigest == null || settings.lastProfiles.isEmpty()) {
             Request.requestError("Запуск в оффлайн-режиме невозможен");
         }
@@ -51,12 +51,12 @@ public LegacyLauncherRequest.Result offlineLauncherRequest() throws IOException,
         return new LegacyLauncherRequest.Result(null, settings.lastDigest, settings.lastProfiles);
     }
     @LauncherAPI
-    public void makeJsonRequest(RequestInterface request, Runnable callback)
+    public static void makeJsonRequest(RequestInterface request, Runnable callback)
     {
 
     }
     @LauncherAPI
-    public void startTask(@SuppressWarnings("rawtypes") Task task)
+    public static void startTask(Task task)
     {
         try {
             worker.queue.put(task);
@@ -65,7 +65,7 @@ public void startTask(@SuppressWarnings("rawtypes") Task task)
         }
     }
     @LauncherAPI
-    public HWID getHWID()
+    public static HWID getHWID()
     {
         return hwidProvider.getHWID();
     }
diff --git a/Launcher/src/main/java/ru/gravit/launcher/hwid/OshiHWIDProvider.java b/Launcher/src/main/java/ru/gravit/launcher/hwid/OshiHWIDProvider.java
index 626648ee..99864ab8 100644
--- a/Launcher/src/main/java/ru/gravit/launcher/hwid/OshiHWIDProvider.java
+++ b/Launcher/src/main/java/ru/gravit/launcher/hwid/OshiHWIDProvider.java
@@ -1,7 +1,7 @@
 package ru.gravit.launcher.hwid;
 
 import oshi.SystemInfo;
-import oshi.hardware.HWDiskStore;
+import oshi.hardware.*;
 import ru.gravit.launcher.HWID;
 import ru.gravit.launcher.LauncherHWIDInterface;
 import ru.gravit.launcher.OshiHWID;
@@ -19,30 +19,64 @@ public String getSerial()
             return "";
         }
 
+    }
+    public String getProcessorID()
+    {
+        try {
+            return systemInfo.getHardware().getProcessor().getProcessorID();
+        } catch (Exception e)
+        {
+            LogHelper.error(e);
+            return "";
+        }
+
     }
     public String getHWDisk()
     {
-        for(HWDiskStore s : systemInfo.getHardware().getDiskStores())
+        try {
+            for (HWDiskStore s : systemInfo.getHardware().getDiskStores()) {
+                if (!s.getModel().contains("USB"))
+                    return s.getSerial();
+            }
+            return "";
+        } catch (Exception e)
         {
-            if(!s.getModel().contains("USB"))
-                return s.getSerial();
+            LogHelper.error(e);
+            return "";
         }
-        return "";
     }
     public long getTotalMemory()
     {
         return systemInfo.getHardware().getMemory().getTotal();
     }
-
+    public long getAvailableMemory()
+    {
+        return systemInfo.getHardware().getMemory().getAvailable();
+    }
+    public void printHardwareInformation()
+    {
+        HardwareAbstractionLayer hardware = systemInfo.getHardware();
+        ComputerSystem computerSystem = hardware.getComputerSystem();
+        LogHelper.debug("ComputerSystem Model: %s Serial: %s",computerSystem.getModel(),computerSystem.getSerialNumber());
+        for (HWDiskStore s : systemInfo.getHardware().getDiskStores())
+        {
+            LogHelper.debug("HWDiskStore Serial: %s Model: %s Size: %d",s.getSerial(),s.getModel(),s.getSize());
+        }
+        for (UsbDevice s : systemInfo.getHardware().getUsbDevices(true))
+        {
+            LogHelper.debug("USBDevice Serial: %s Name: %s",s.getSerialNumber(),s.getName());
+        }
+        CentralProcessor processor = hardware.getProcessor();
+        LogHelper.debug("Processor Model: %s ID: %s",processor.getModel(),processor.getProcessorID());
+    }
     @Override
     public HWID getHWID() {
         OshiHWID hwid = new OshiHWID();
         hwid.serialNumber = getSerial();
         hwid.totalMemory = getTotalMemory();
         hwid.HWDiskSerial = getHWDisk();
-        LogHelper.debug("serialNumber %s",hwid.serialNumber);
-        LogHelper.debug("totalMemory %d",hwid.totalMemory);
-        LogHelper.debug("HWDiskSerial %s",hwid.HWDiskSerial);
+        hwid.processorID = getProcessorID();
+        printHardwareInformation();
         return hwid;
     }
 }
diff --git a/LauncherAPI/src/main/java/ru/gravit/launcher/request/auth/AuthRequest.java b/LauncherAPI/src/main/java/ru/gravit/launcher/request/auth/AuthRequest.java
index d998c9ec..b62e837e 100644
--- a/LauncherAPI/src/main/java/ru/gravit/launcher/request/auth/AuthRequest.java
+++ b/LauncherAPI/src/main/java/ru/gravit/launcher/request/auth/AuthRequest.java
@@ -2,10 +2,7 @@
 
 import java.io.IOException;
 
-import ru.gravit.launcher.Launcher;
-import ru.gravit.launcher.LauncherAPI;
-import ru.gravit.launcher.LauncherConfig;
-import ru.gravit.launcher.LauncherHWIDInterface;
+import ru.gravit.launcher.*;
 import ru.gravit.utils.helper.SecurityHelper;
 import ru.gravit.utils.helper.VerifyHelper;
 import ru.gravit.launcher.profiles.PlayerProfile;
@@ -33,10 +30,10 @@ private Result(PlayerProfile pp, String accessToken) {
 
     private final byte[] encryptedPassword;
     private final int auth_id;
-    private final LauncherHWIDInterface hwid;
+    private final HWID hwid;
 
     @LauncherAPI
-    public AuthRequest(LauncherConfig config, String login, byte[] encryptedPassword, LauncherHWIDInterface hwid) {
+    public AuthRequest(LauncherConfig config, String login, byte[] encryptedPassword, HWID hwid) {
         super(config);
         this.login = VerifyHelper.verify(login, VerifyHelper.NOT_EMPTY, "Login can't be empty");
         this.encryptedPassword = encryptedPassword.clone();
@@ -45,7 +42,7 @@ public AuthRequest(LauncherConfig config, String login, byte[] encryptedPassword
     }
 
     @LauncherAPI
-    public AuthRequest(LauncherConfig config, String login, byte[] encryptedPassword, LauncherHWIDInterface hwid, int auth_id) {
+    public AuthRequest(LauncherConfig config, String login, byte[] encryptedPassword, HWID hwid, int auth_id) {
         super(config);
         this.login = VerifyHelper.verify(login, VerifyHelper.NOT_EMPTY, "Login can't be empty");
         this.encryptedPassword = encryptedPassword.clone();
@@ -54,12 +51,12 @@ public AuthRequest(LauncherConfig config, String login, byte[] encryptedPassword
     }
 
     @LauncherAPI
-    public AuthRequest(String login, byte[] encryptedPassword, LauncherHWIDInterface hwid) {
+    public AuthRequest(String login, byte[] encryptedPassword, HWID hwid) {
         this(null, login, encryptedPassword,hwid);
     }
 
     @LauncherAPI
-    public AuthRequest(String login, byte[] encryptedPassword, LauncherHWIDInterface hwid, int auth_id) {
+    public AuthRequest(String login, byte[] encryptedPassword, HWID hwid, int auth_id) {
         this(null, login, encryptedPassword, hwid, auth_id);
     }
 
@@ -75,7 +72,7 @@ protected Result requestDo(HInput input, HOutput output) throws IOException {
         if (Launcher.profile != null)
             output.writeString(Launcher.profile.getTitle(), SerializeLimits.MAX_CLIENT);
         output.writeInt(auth_id);
-        output.writeString(hwid.getHWID().getSerializeString(),0);
+        output.writeString(hwid.getSerializeString(),0);
         //output.writeLong(0);
         //output.writeLong(0);
         //output.writeLong(0);
diff --git a/libLauncher/src/main/java/ru/gravit/launcher/HWID.java b/libLauncher/src/main/java/ru/gravit/launcher/HWID.java
index cc510103..d1cf0f9c 100644
--- a/libLauncher/src/main/java/ru/gravit/launcher/HWID.java
+++ b/libLauncher/src/main/java/ru/gravit/launcher/HWID.java
@@ -2,5 +2,6 @@
 
 public interface HWID {
     String getSerializeString();
+    int getLevel(); //Уровень доверия, насколько уникальные значения
     boolean isNull();
 }
diff --git a/libLauncher/src/main/java/ru/gravit/launcher/OshiHWID.java b/libLauncher/src/main/java/ru/gravit/launcher/OshiHWID.java
index 5b1a7a0c..24be03ea 100644
--- a/libLauncher/src/main/java/ru/gravit/launcher/OshiHWID.java
+++ b/libLauncher/src/main/java/ru/gravit/launcher/OshiHWID.java
@@ -4,20 +4,27 @@
 
 public class OshiHWID implements HWID {
     public static Gson gson = new Gson();
+    @LauncherAPI
     public long totalMemory = 0;
+    @LauncherAPI
     public String serialNumber;
+    @LauncherAPI
     public String HWDiskSerial;
+    @LauncherAPI
+    public String processorID;
 
     @Override
     public String getSerializeString() {
         return gson.toJson(this);
     }
+    @Override
     public int getLevel() //Уровень доверия, насколько уникальные значения
     {
         int result = 0;
         if(totalMemory != 0) result++;
-        if(serialNumber != null) result+=5;
-        if(HWDiskSerial != null) result+=8;
+        if(serialNumber != null && !serialNumber.equals("unknown")) result+=4;
+        if(HWDiskSerial != null && !HWDiskSerial.equals("unknown")) result+=15;
+        if(processorID != null  && !processorID.equals("unknown")) result+=6;
         return result;
     }
     @Override
diff --git a/libLauncher/src/main/java/ru/gravit/launcher/profiles/ClientProfile.java b/libLauncher/src/main/java/ru/gravit/launcher/profiles/ClientProfile.java
index 9d7a3904..09c805bb 100644
--- a/libLauncher/src/main/java/ru/gravit/launcher/profiles/ClientProfile.java
+++ b/libLauncher/src/main/java/ru/gravit/launcher/profiles/ClientProfile.java
@@ -15,8 +15,7 @@
 import ru.gravit.launcher.serialize.config.entry.*;
 
 @SuppressWarnings("ComparableImplementedButEqualsNotOverridden")
-public final class
-ClientProfile extends ConfigObject implements Comparable<ClientProfile> {
+public final class ClientProfile extends ConfigObject implements Comparable<ClientProfile> {
     @LauncherAPI
     public enum Version {
         MC147("1.4.7", 51),
@@ -63,6 +62,8 @@ public String toString() {
     @LauncherAPI
     public static final StreamObject.Adapter<ClientProfile> RO_ADAPTER = input -> new ClientProfile(input, true);
 
+    public static final boolean profileCaseSensitive = Boolean.getBoolean("launcher.clientProfile.caseSensitive");
+    
     private static final FileNameMatcher ASSET_MATCHER = new FileNameMatcher(
             new String[0], new String[]{"indexes", "objects"}, new String[0]);
     // Version
@@ -278,8 +279,8 @@ public boolean isUpdateFastCheck() {
 
     @LauncherAPI
     public boolean isWhitelistContains(String username) {
-        if (!useWhitelist.getValue()) return true;
-        return whitelist.stream().anyMatch(e -> e.equalsIgnoreCase(username)); // TODO case sensitive on/off
+        if (!useWhitelist) return true;
+        return whitelist.stream().anyMatch(profileCaseSensitive ? e -> e.equals(username) : e -> e.equalsIgnoreCase(username));
     }
 
     @LauncherAPI
diff --git a/libLauncher/src/main/java/ru/gravit/utils/helper/EnvHelper.java b/libLauncher/src/main/java/ru/gravit/utils/helper/EnvHelper.java
index c90d7e1c..175cae96 100644
--- a/libLauncher/src/main/java/ru/gravit/utils/helper/EnvHelper.java
+++ b/libLauncher/src/main/java/ru/gravit/utils/helper/EnvHelper.java
@@ -4,11 +4,7 @@
 import java.util.Map;
 
 public class EnvHelper {
-    public static final String[] toTest;
-
-    static {
-        toTest = new String[]{"_JAVA_OPTIONS", "_JAVA_OPTS", "JAVA_OPTS", "JAVA_OPTIONS"};
-    }
+    public static final String[] toTest = {"_JAVA_OPTIONS", "_JAVA_OPTS", "JAVA_OPTS", "JAVA_OPTIONS"};
 
     public static void addEnv(ProcessBuilder builder) {
         Map<String, String> map = builder.environment();
diff --git a/libLauncher/src/main/java/ru/gravit/utils/helper/JVMHelper.java b/libLauncher/src/main/java/ru/gravit/utils/helper/JVMHelper.java
index 678b0feb..6ec5ab62 100644
--- a/libLauncher/src/main/java/ru/gravit/utils/helper/JVMHelper.java
+++ b/libLauncher/src/main/java/ru/gravit/utils/helper/JVMHelper.java
@@ -64,7 +64,6 @@ public static OS byName(String name) {
         try {
             MethodHandles.publicLookup(); // Just to initialize class
         } catch (Throwable exc) {
-            LogHelper.error("Unsafe field is not initialized");
             throw new InternalError(exc);
         }
     }
diff --git a/libLauncher/src/main/java/ru/gravit/utils/helper/UnpackHelper.java b/libLauncher/src/main/java/ru/gravit/utils/helper/UnpackHelper.java
index a14343ef..62f0c45c 100644
--- a/libLauncher/src/main/java/ru/gravit/utils/helper/UnpackHelper.java
+++ b/libLauncher/src/main/java/ru/gravit/utils/helper/UnpackHelper.java
@@ -1,24 +1,25 @@
 package ru.gravit.utils.helper;
 
 import java.io.IOException;
+import java.io.InputStream;
 import java.net.URL;
 import java.nio.file.Path;
 import java.util.Arrays;
 
 public class UnpackHelper {
-    @SuppressWarnings("ResultOfMethodCallIgnored")
     public static boolean unpack(URL resource, Path target) throws IOException {
-        byte[] orig = IOHelper.read(resource);
         if (IOHelper.exists(target)) {
-            if (matches(target, orig)) return false;
+            if (matches(target, resource)) return false;
         }
         if (!IOHelper.exists(target))
             target.toFile().createNewFile();
-        IOHelper.transfer(orig, target, false);
+        try (InputStream in = IOHelper.newInput(resource)) {
+        	IOHelper.transfer(in, target, false);
+        }
         return true;
     }
 
-    private static boolean matches(Path target, byte[] in) {
+    private static boolean matches(Path target, URL in) {
         try {
             return Arrays.equals(SecurityHelper.digest(SecurityHelper.DigestAlgorithm.SHA256, in),
                     SecurityHelper.digest(SecurityHelper.DigestAlgorithm.SHA256, target));