diff --git a/minimal_auth.py b/minimal_auth.py
index 5c317a6..04b11ce 100644
--- a/minimal_auth.py
+++ b/minimal_auth.py
@@ -2,6 +2,9 @@ import getpass # hides types characters, very useful
 import json
 import sys
 import hashlib
+import random
+import string
+
 
 def get_credentials():
     username = input('Enter your username: ')
@@ -28,6 +31,19 @@ def write_pwdb(pwdb, pwdb_path):
     pwdb_file = open(pwdb_path, 'wt')
     json.dump(pwdb, pwdb_file)
 
+def get_salt(char_num=10):
+    """Create random string of characters
+
+    Parameters
+    ----------
+    char_num: int.
+        Number of random characters to be created.
+    """
+
+    salt = ''.join(random.choices(string.ascii_uppercase + string.digits, k=char_num))
+
+    return salt
+
 pwdb_path = 'pwdb.json'
 pwdb = read_pwdb(pwdb_path)