Added function to keyutils for generate secure passwords using secrets module

paramecio2/libraries/keyutils.py

@@ -1,6 +1,8 @@
 from hashlib import sha512, sha256
 from base64 import b64encode
 from os import urandom
+import string
+import secrets
 
 # Functions for create random strings usando urandom
 
@@ -40,3 +42,26 @@ def create_key(n=10):
     rand_bytes=urandom(n)
     
     return b64encode(rand_bytes).decode('utf-8')[0:-2]
+
+def create_simple_password(n=14):
+    
+    """ Based in python3 documentation for create passwords using secrets module
+    
+    https://docs.python.org/3/library/secrets.html
+    
+    Args:
+        n (int): Number of random elements of the password
+    
+    """
+    
+    password=''
+    
+    alphabet=string.ascii_letters+string.digits+string.punctuation
+    
+    while True:
+        password=''.join(secrets.choice(alphabet) for i in range(n))
+        if (any(c.islower() for c in password) and any(c.isupper() for c in password) and sum(c.isdigit() for c in password) >= 3):
+            break
+    
+    return password
+