22 lines
No EOL
519 B
Python
22 lines
No EOL
519 B
Python
from cStringIO import StringIO
|
|
from qrt import generate
|
|
|
|
FLAG = "are_triangles_more_secure_than_squares?_%s}"
|
|
|
|
def get_salt(random):
|
|
return "".join([random.choice("0123456789abcdef") for i in range(8)])
|
|
|
|
def generate(random):
|
|
salt = get_salt(random)
|
|
im = generate("easyctf{%s}" % (FLAG % salt))
|
|
flag = StringIO()
|
|
im.save(buf, format="PNG")
|
|
return dict(files={
|
|
"flag.png": flag
|
|
})
|
|
|
|
def grade(random, key):
|
|
salt = get_salt(random)
|
|
if key.find(FLAG % salt) >= 0:
|
|
return True, "Correct!"
|
|
return False, "Nope." |