diff --git a/skdetect.py b/skdetect.py
new file mode 100644
index 0000000..4097fca
--- /dev/null
+++ b/skdetect.py
@@ -0,0 +1,20 @@
+#!/usr/bin/env python
+import os
+
+#  Get home dir of every user. Also remove empty values.
+with open('/etc/passwd') as r:
+    home_dirs = set(filter(None, (l.split(":")[5] for l in r.read().splitlines())))
+
+#  Get authorized_keys file paths in users' home directory
+with os.popen("sshd -T 2>/dev/null | egrep -i 'authorizedkeysfile'") as stream:
+    authorized_keys_relative_paths = stream.read().split()[1:]
+
+#  Try to find authorized keys in <user_home_directory>/<authorized_keys_relative_path>
+for home_dir in home_dirs:
+    for authorized_keys_relative_path in authorized_keys_relative_paths:
+        try:
+            authorized_keys_full_path = os.path.join(home_dir, authorized_keys_relative_path)
+            with open(authorized_keys_full_path) as r:
+                print("\n".join("%s %s" % (authorized_keys_full_path, l.split()[-1]) for l in r.read().splitlines() if l))
+        except IOError:
+            pass