diff --git a/src/main/java/de/tudbut/io/TypedOutputStream.java b/src/main/java/de/tudbut/io/TypedOutputStream.java
index ee0e06b..f8addd2 100644
--- a/src/main/java/de/tudbut/io/TypedOutputStream.java
+++ b/src/main/java/de/tudbut/io/TypedOutputStream.java
@@ -120,9 +120,9 @@ public class TypedOutputStream {
     }
 
     public byte[] writeByteArray(byte[] bytes) throws IOException {
-        int i = bytes.length;
-        writeInt(i);
+        writeInt(bytes.length);
         stream.write(bytes);
+        stream.flush();
         return bytes;
     }
     
diff --git a/src/main/java/de/tudbut/tools/encryption/RawKey.java b/src/main/java/de/tudbut/tools/encryption/RawKey.java
index 68678bd..252806c 100644
--- a/src/main/java/de/tudbut/tools/encryption/RawKey.java
+++ b/src/main/java/de/tudbut/tools/encryption/RawKey.java
@@ -45,7 +45,7 @@ public class RawKey extends Key {
      * @return encrypted string
      */
     public String encryptString(String s) {
-        return new String(encryptBytes(string.getBytes(StandardCharsets.ISO_8859_1)), StandardCharsets.ISO_8859_1);
+        return new String(encryptBytes(s.getBytes(StandardCharsets.ISO_8859_1)), StandardCharsets.ISO_8859_1);
     }
     
     /**
@@ -54,7 +54,7 @@ public class RawKey extends Key {
      * @return decrypted string
      */
     public String decryptString(String s) {
-        return new String(decryptBytes(string.getBytes(StandardCharsets.ISO_8859_1)), StandardCharsets.ISO_8859_1);
+        return new String(decryptBytes(s.getBytes(StandardCharsets.ISO_8859_1)), StandardCharsets.ISO_8859_1);
     }
 
     public byte[] encryptBytes(byte[] bytes) {