minimal_auth.py

@@ -1,6 +1,7 @@
 import getpass # hides types characters, very useful
 import json
 import sys
+import hashlib # library for hashing
 
 def get_credentials():
     username = input('Enter your username: ')
@@ -8,10 +9,10 @@ def get_credentials():
     return (username, password)
 
 def authenticate(username, password, pwdb):
-    return password == pwdb[username]
+    return pwhash(password) == pwdb[username]
 
 def add_user(username, pwdb):
-    pwdb[username] = getpass.getpass(f'Enter password for {username}: ')
+    pwdb[username] = pwhash(getpass.getpass(f'Enter password for {username}: '))
     return pwdb
 
 def read_pwdb(pwdb_path):
@@ -26,6 +27,12 @@ def write_pwdb(pwdb, pwdb_path):
     pwdb_file = open(pwdb_path, 'wt')
     json.dump(pwdb, pwdb_file)
 
+def pwhash(password): 
+	# encodes password with sha256 
+	return hashlib.sha256(password.encode()).hexdigest()
+	
+	
+	
 pwdb_path = 'pwdb.json'
 pwdb = read_pwdb(pwdb_path)