update authentication with hashed password

minimal_auth.py

@@ -8,13 +8,20 @@ def get_credentials():
     password = getpass.getpass('Enter your password: ')
     return (username, password)
 
+# add a function that hashes the password
+def hash_password(password):
+    return hashlib.sha256(f'{password}'.encode()).hexdigest()
+
 def authenticate(username, password, pwdb):
-    return password == pwdb[username]
+    correct_password = pwdb[username]
+    # add this line to hash the entered password to then compared with the stored password
+    attempted_password = hash_password(password)
+    return correct_password == attempted_password
 
 def add_user(username, pwdb):
     password = getpass.getpass(f'Enter password for {username}: ')
     # hash the password before saving to the database
-    pwdb[username] = hashlib.sha256(f'{password}'.encode()).hexdigest()
+    pwdb[username] = hash_password(password)
     return pwdb
 
 def read_pwdb(pwdb_path):