[Announcement] Next Monday's class

[KihongHeo]

Hi.
Here is the encrypted notice for next Monday's class (as I mentioned today): announcement.txt.
Check this out in your HW2 directory (once after implementing the decryption algorithm):

./aes dec test/key.txt test/iv.txt announcement.txt

[KihongHeo]

Sure! If you have implemented crack, try it!