diff --git a/lib/src/main/java/io/github/lonamiwebs/overgram/utils/AES.java b/lib/src/main/java/io/github/lonamiwebs/overgram/crypto/AES.java
similarity index 97%
rename from lib/src/main/java/io/github/lonamiwebs/overgram/utils/AES.java
rename to lib/src/main/java/io/github/lonamiwebs/overgram/crypto/AES.java
index 8718cfc..25bd97b 100644
--- a/lib/src/main/java/io/github/lonamiwebs/overgram/utils/AES.java
+++ b/lib/src/main/java/io/github/lonamiwebs/overgram/crypto/AES.java
@@ -1,4 +1,6 @@
-package io.github.lonamiwebs.overgram.utils;
+package io.github.lonamiwebs.overgram.crypto;
+
+import io.github.lonamiwebs.overgram.utils.Utils;
 
 import javax.crypto.BadPaddingException;
 import javax.crypto.Cipher;
diff --git a/lib/src/main/java/io/github/lonamiwebs/overgram/crypto/Authenticator.java b/lib/src/main/java/io/github/lonamiwebs/overgram/crypto/Authenticator.java
index 7fe2a1c..ce45070 100644
--- a/lib/src/main/java/io/github/lonamiwebs/overgram/crypto/Authenticator.java
+++ b/lib/src/main/java/io/github/lonamiwebs/overgram/crypto/Authenticator.java
@@ -4,9 +4,7 @@ import io.github.lonamiwebs.overgram.network.MTProtoPlainSender;
 import io.github.lonamiwebs.overgram.tl.Abstract;
 import io.github.lonamiwebs.overgram.tl.Functions;
 import io.github.lonamiwebs.overgram.tl.Types;
-import io.github.lonamiwebs.overgram.utils.AES;
 import io.github.lonamiwebs.overgram.utils.BinaryReader;
-import io.github.lonamiwebs.overgram.utils.RSA;
 import io.github.lonamiwebs.overgram.utils.Utils;
 import javafx.util.Pair;
 
diff --git a/lib/src/main/java/io/github/lonamiwebs/overgram/utils/RSA.java b/lib/src/main/java/io/github/lonamiwebs/overgram/crypto/RSA.java
similarity index 97%
rename from lib/src/main/java/io/github/lonamiwebs/overgram/utils/RSA.java
rename to lib/src/main/java/io/github/lonamiwebs/overgram/crypto/RSA.java
index f22ad07..2bd41f5 100644
--- a/lib/src/main/java/io/github/lonamiwebs/overgram/utils/RSA.java
+++ b/lib/src/main/java/io/github/lonamiwebs/overgram/crypto/RSA.java
@@ -1,6 +1,7 @@
-package io.github.lonamiwebs.overgram.utils;
+package io.github.lonamiwebs.overgram.crypto;
 
 import com.sun.xml.internal.messaging.saaj.util.ByteOutputStream;
+import io.github.lonamiwebs.overgram.utils.Utils;
 
 import java.math.BigInteger;