mirror of https://github.com/dirtbags/moth.git
21 lines
652 B
Markdown
21 lines
652 B
Markdown
Tokens
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======
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Tokens are good for a single point in a single category. They are
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formed by prepending the category and a colon to the bubblebabble digest
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of 3 random octets. A token for the "merfing" category might look like
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this:
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merfing:xunap-motex
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Entropy
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-------
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3 octets provides 24 bits of entropy. This gives 16777216 possible
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tokens in each category. The longest contest yet run lasted 24 hours,
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which would give 2^24/24/60 = 11650 tokens per category per minute. I
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think this is a large enough pool to discourage brute-force attacks.
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Assuming /dev/urandom is as good as is claimed, brute-force would be the
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only way to attack it.
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