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author | Jeffrey Burdges <burdges@gnunet.org> | 2017-11-19 15:03:59 +0100 |
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committer | Jeffrey Burdges <burdges@gnunet.org> | 2017-11-19 15:03:59 +0100 |
commit | 43177a6d7937fef1a3b825d1cc3d653ded7b2465 (patch) | |
tree | e35d27c17ecb5488de31a489729e4d3f5f75d2f3 /games | |
parent | c1e8223228702ea9f0714809c7bafea3d2f4bf41 (diff) | |
download | papers-43177a6d7937fef1a3b825d1cc3d653ded7b2465.tar.gz papers-43177a6d7937fef1a3b825d1cc3d653ded7b2465.tar.bz2 papers-43177a6d7937fef1a3b825d1cc3d653ded7b2465.zip |
Remove Florian's Lemmas that we do not use
Diffstat (limited to 'games')
-rw-r--r-- | games/games.tex | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/games/games.tex b/games/games.tex index abea14c..8e3ac77 100644 --- a/games/games.tex +++ b/games/games.tex @@ -564,33 +564,6 @@ $P[{b \over \ell-w} \ge (1-{1\over\kappa})] = 1/2 > {1\over\kappa}$. % injectivity of the ECDH operation seems like a red herring??? - -To win the game, the adversary must produce enough coins that are not in the wallet of any non-corrupted user, but withdraw little -coins via corrupted users. - -\begin{lemma} - The signatures on $C_1, \dots, C_\ell$ must have been obtained by using either \ora{Withdraw}, \ora{RefreshReveal} or \ora{Link}. -\end{lemma} - -\begin{lemma} - \ora{Link} can not be used to get a coin from a non-corrupted peer. -\end{lemma} - -\begin{lemma} - To win the Income Transparency game, the adversary must call $\ora{RefreshReveal}$ at least $(\kappa V_r - V_w) > 0$ times - in a way that causes the linking step to fail. (This implies unforgeability.) -\end{lemma} - -\begin{lemma} - The probability to successfully use \ora{RefreshCommit} and \ora{RefreshReveal} in a way that causes \algo{Link} to return $\bot$ is at most $1/\kappa$. -\end{lemma} - -\begin{theorem} - The adversary wins the Income Transparency game with with probability at most $1 / \kappa$. -\end{theorem} - -FIXME: We should also include what the expected ``untaxed'' money for the adversary is for each won game, vs. the money wasted. - \section{Standard Definitions} \begin{definition}[One-more forgery] For any integer $\ell$, an $(\ell, \ell + 1)$- |