Password hashed and salted

auth.py

@@ -1,24 +1,44 @@
 import pickle
+from getpass import getpass
+import random as rnd
+import string
 
 def get_credentials():
     username = input("Enter username:")
-    password = input("Enter password:")
+    password = getpass("Enter password:")
     return (username, password)
 
+def get_hash(password, salt):
+    hash_sum = 0
+    for character in password:
+        hash_sum += ord(character)
+    for character in salt:
+        hash_sum += ord(character)
+    return hash_sum
+
+def get_salt():
+    salt = []
+    for i in range (10):
+        character = rnd.choice(string.ascii_lowercase)
+        salt.append(character)
+    return ''.join(salt)
+
 def authenticate(username, password, pwdb):
-    status = False
+    status = 0
     if username in pwdb:
-        if password == pwdb[username]:
-            status = True
-        else:
-            print('Wrong password!')
+        salt = pwdb[username][0]
+        pass_hash = pwdb[username][1]
+        if get_hash(password, salt) == pass_hash:
+            status = 1
     else:
         add_user(username, password, pwdb)
+        status = 2
 
     return status
 
 def add_user(username, password, pwdb):
-    pwdb[username] = password
+    new_salt = get_salt()
+    pwdb[username] = (new_salt, get_hash(new_salt, password))
     write_pwdb(pwdb)
 
 def read_pwdb():
@@ -39,7 +59,10 @@ def write_pwdb(pwdb):
     username, password = get_credentials()
     pwdb = read_pwdb()
     status = authenticate(username, password, pwdb)
-    if status:
+    if status == 0:
+        print('Username taken, authentication failed.')
+    if status == 1:
         print('Authentication succeeded:', pwdb)
-    else:
-        print('Authentication failed')
+    if status == 2:
+        print('Username not in database, added.')
+