diff --git a/keymaker/__init__.py b/keymaker/__init__.py
index 4e7b690..04fa6ba 100644
--- a/keymaker/__init__.py
+++ b/keymaker/__init__.py
@@ -3,33 +3,17 @@
 from io import open
 
 import os, sys, json, re, time, logging, subprocess, pwd, hashlib, grp, shlex
-from collections import namedtuple
-
-try:
-    from shutil import which
-except ImportError:
-    def which(name):
-        if os.path.exists("/usr/local/bin/" + name):
-            return "/usr/local/bin/" + name
-        elif os.path.exists("/usr/bin/" + name):
-            return "/usr/bin/" + name
 
 import boto3
 from botocore.exceptions import ClientError
 
 from .iam.policies import trust_policy_template, keymaker_instance_role_policy, keymaker_instance_assume_role_statement
+from .util import which, ARN, from_bytes
 
 USING_PYTHON2 = True if sys.version_info < (3, 0) else False
 
 logger = logging.getLogger(__name__)
 
-class ARN(namedtuple("ARN", "partition service region account resource")):
-    def __str__(self):
-        return ":".join(["arn"] + list(self))
-
-
-ARN.__new__.__defaults__ = ("aws", "", "", "", "")
-
 default_iam_linux_group_prefix = "keymaker_"
 default_iam_linux_user_suffix = ""
 
@@ -156,17 +140,6 @@ def get_authorized_keys(args):
     except Exception as e:
         err_exit("Error while retrieving IAM SSH keys for {u}: {e}".format(u=args.user, e=str(e)), code=os.errno.EINVAL)
 
-def from_bytes(data, big_endian=False):
-    """Used on Python 2 to handle int.from_bytes"""
-    if isinstance(data, str):
-        data = bytearray(data)
-    if big_endian:
-        data = reversed(data)
-    num = 0
-    for offset, byte in enumerate(data):
-        num += byte << (offset * 8)
-    return num
-
 def aws_to_unix_id(aws_key_id):
     """Converts a AWS Key ID into a UID"""
     uid_bytes = hashlib.sha256(aws_key_id.encode()).digest()[-2:]
diff --git a/keymaker/util.py b/keymaker/util.py
new file mode 100644
index 0000000..4510c7b
--- /dev/null
+++ b/keymaker/util.py
@@ -0,0 +1,29 @@
+import os
+from collections import namedtuple
+
+try:
+    from shutil import which
+except ImportError:
+    def which(name):
+        if os.path.exists("/usr/local/bin/" + name):
+            return "/usr/local/bin/" + name
+        elif os.path.exists("/usr/bin/" + name):
+            return "/usr/bin/" + name
+
+class ARN(namedtuple("ARN", "partition service region account resource")):
+    def __str__(self):
+        return ":".join(["arn"] + list(self))
+
+
+ARN.__new__.__defaults__ = ("aws", "", "", "", "")
+
+def from_bytes(data, big_endian=False):
+    """Used on Python 2 to handle int.from_bytes"""
+    if isinstance(data, str):
+        data = bytearray(data)
+    if big_endian:
+        data = reversed(data)
+    num = 0
+    for offset, byte in enumerate(data):
+        num += byte << (offset * 8)
+    return num
diff --git a/keymaker/version.py b/keymaker/version.py
index 6c8e6b9..a682442 100644
--- a/keymaker/version.py
+++ b/keymaker/version.py
@@ -1 +1 @@
-__version__ = "0.0.0"
+__version__ = '1.0.9'