hashing fixed

crypttool.py

@@ -281,7 +281,7 @@ def hashPrompt():
             hasher.update(content)
     else:
         inputString = input('Please input a string: ')
-        hasher.update(inputString)    
+        hasher.update(inputString.encode('utf-8'))    
     print(hasher.hexdigest())
 
 print('Welcome aboard PankiCrypt Airlines!')