network security 2.0
homework1b for network security
submission.py contains three packets and the basicunit test.
submission_test.py is created by me to test if the environment can run, you can ignore it! there are some steps to use it.
1.git clone it.
2.source bin/activate
3.pip install git+https://github.com/CrimsonVista/Playground3.git
4.python3 /netsec_fall2017/lab_1b/submission.py
After these steps, you can see run it.

homework1c for netwrok security
I put this homework in the lab_1c
in the dir called lab_1_Packet,
ConvertAnswer.py,RequestConvert.py,Result.py are three packet types in hw1a.
hw1c_server.py is for the server protocol
hw1c_client.py is for the client protocol
submission.py is for the unit test
the dir called "test_example" is created for the test for write the UDP,TCP protocol which learnt from Python Documentation.

homework1d for network security
I put this homework in the lab_1d
hw1d_server.py is for the server protocol hw1d_client.py is for the client protocol
hw1d.py is for the playground test, it is ok python3 hw1d.py server (start server) python3 hw1d.py 20174.1.1.1 (start client) then, you can input "request" to send the first request,which in the hw1a,client sent the server the request
when the server get the request, it return the ROMAN number
then you can input the answer
the server can return u the result