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Markus Teich 2016-10-12 19:18:14 +02:00
parent eddab76982
commit 6654fc3c01

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@ -210,7 +210,7 @@ M+1st highest bid.
\subsubsection{Addition to Round 1: Encrypt bid} \subsubsection{Addition to Round 1: Encrypt bid}
The Bidders also have to use Proof 2 to show that $\displaystyle ECDL_Y\left(\left(\sum_{j=1}^{k/n}\alpha_{a,jn+a}\right) - G\right) = ECDL_G\left(\sum_{j=1}^{k/n}\beta_{a,jn+a}\right)$. \\[2.0ex] The bidders also have to use Proof 2 to show that $\displaystyle ECDL_Y\left(\left(\sum_{j=1}^{k/n}\alpha_{a,jn+a}\right) - G\right) = ECDL_G\left(\sum_{j=1}^{k/n}\beta_{a,jn+a}\right)$. \\[2.0ex]
This is to ensure bidders have only chosen valid bids for their bid index, since This is to ensure bidders have only chosen valid bids for their bid index, since
in M+1st price auctions the amount of possible prices is multiplied by $n$ to in M+1st price auctions the amount of possible prices is multiplied by $n$ to
prevent ties. This increases the message size by $96$ bytes. prevent ties. This increases the message size by $96$ bytes.