22 lines
519 B
Python
22 lines
519 B
Python
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from cStringIO import StringIO
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from qrt import generate
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FLAG = "are_triangles_more_secure_than_squares?_%s}"
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def get_salt(random):
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return "".join([random.choice("0123456789abcdef") for i in range(8)])
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def generate(random):
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salt = get_salt(random)
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im = generate("easyctf{%s}" % (FLAG % salt))
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flag = StringIO()
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im.save(buf, format="PNG")
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return dict(files={
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"flag.png": flag
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})
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def grade(random, key):
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salt = get_salt(random)
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if key.find(FLAG % salt) >= 0:
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return True, "Correct!"
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return False, "Nope."
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