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Correct an off-by-one in an expression used in the definition of c for windowed Pedersen commitments 

(this does not change the value of c).

Signed-off-by: Daira Hopwood <daira@jacaranda.org>
This commit is contained in:
Daira Hopwood 2020-08-17 21:32:15 +01:00
parent 243de7399d
commit 850e7ea019
1 changed files with 11 additions and 1 deletions
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12
protocol/protocol.tex
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@ -6570,7 +6570,7 @@ Let $\FindGroupJHash$ be as defined in \crossref{concretegrouphashjubjub}.
Let $\UncommittedSapling$ be as defined in \crossref{constants}.
Let $c$ be the largest integer such that $4 \mult \hfrac{2^{4 \mult c}}{15} \leq \hfrac{\ParamJ{r}-1}{2}$,
Let $c$ be the largest integer such that $4 \mult \hfrac{2^{4 \mult c}-1}{15} \leq \hfrac{\ParamJ{r}-1}{2}$,
i.e.\ $c := 63$.
\newsavebox{\gencountbox}
@ -10830,6 +10830,16 @@ Peter Newell's illustration of the Jubjub bird, from \cite{Carroll1902}.
\lsection{Change History}{changehistory}
\historyentry{2020.1.14}{}
\begin{itemize}
\item No changes to \Sprout.
\sapling{
\item Correct an off-by-one in an expression used in the definition of $c$ in
\crossref{concretepedersencommit} (this does not change the value of $c$).
} %sapling
\end{itemize}
\historyentry{2020.1.13}{2020-08-11}
\begin{itemize}
\sapling{