Assignment 2 Marking Scheme

• 3 marks: If keys are generated correctly.


• 4 marks: If Alice runs correctly given a Bob that does not cheat.


• 2 marks: If Alice sends the messages in step 2 in random order.


• 2 marks: If Alice throws TooEarlyException correctly.


• 2 marks: If Alice throws WrongStringException correctly.


• 2 marks: If Alice throws WrongEncryptionException or WrongDecryptionException correctly.


• 4 marks: If Bob runs correctly given an Alice that does not cheat.


• 2 marks: If Bob throws TooEarlyException correctly.


• 2 marks: If Bob throws WrongDecryptionException correctly.


• 2 marks: If Bob throws EqualMessagesException correctly.