CS338 Computer Security
Monday, 9 May 2022

+ Exam
- 64 total
- 62, median 50
- You can hand in corrections, typed (just the items you want regraded)
    total = average of two score
- Deadline Friday, May 13
- SEE SLACK #announcements FOR DETAILS


AES -- block size 128 bits (but if you use CBC block cipher mode, yay)
RSA -- commonly 2048, 4096-bit keys

host, user agent, client, server -- differences? context?

+ Passwords

    for w in wordlist:
        h = hash(w)
        for user in password file:
            if h == hash for user:
                yay
            
    for w1 in wordlist:
        for w2 in wordlist:
            h = hash(w1 + w2)
            for user in password file:
                if h == hash for user:
                    yay


1 + 2 + 4 + 7 + 14 = 28

https://whatever.com/login?user=jeff&password=moose