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Say that the round constants as well as the MDS matrices are generated according to Version 1.1 

of the Poseidon reference implementation.

Signed-off-by: Daira Hopwood <daira@jacaranda.org>
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Daira Hopwood 2021-06-04 20:58:39 +01:00
parent 5fa8a60b08
commit 9bc46070f3
1 changed files with 4 additions and 2 deletions
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6
protocol/protocol.tex
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@ -8854,8 +8854,8 @@ is specified as:
\item $\PoseidonHash(x, y) = f([x, y, 2^{65}])_1$ (using $1$-based indexing). \item $\PoseidonHash(x, y) = f([x, y, 2^{65}])_1$ (using $1$-based indexing).
\end{formulae} \end{formulae}
The MDS matrix is as generated by \texttt{generate\_parameters\_grain.sage} in Version 1.1 of the The MDS matrix and round constants are generated by \texttt{generate\_parameters\_grain.sage} in
reference implementation. Version 1.1 of the reference implementation.
\begin{nnotes} \begin{nnotes}
\item The choice of MDS matrix and the number of rounds take into account cryptanalytic \item The choice of MDS matrix and the number of rounds take into account cryptanalytic
@ -14360,6 +14360,8 @@ Peter Newell's illustration of the Jubjub bird, from \cite{Carroll1902}.
to the \actionCircuit. This uses new helper functions $\Selectx$ and $\Selecty$ defined to the \actionCircuit. This uses new helper functions $\Selectx$ and $\Selecty$ defined
in \crossref{concreteextractorpallas}. The specification of $\ExtractP$ has also been in \crossref{concreteextractorpallas}. The specification of $\ExtractP$ has also been
refactored to use $\Selectx$ (this does not change the \Orchard protocol). refactored to use $\Selectx$ (this does not change the \Orchard protocol).
\item In \crossref{poseidonhash}, say that the round constants as well as the MDS matrices
are generated according to Version 1.1 of the reference implementation.
} %nufive } %nufive
\item Move the section on abstraction (previously section 5.1) to \crossref{abstractprotocol}. \item Move the section on abstraction (previously section 5.1) to \crossref{abstractprotocol}.
Section 5.2 has been split into two (\crossref{endian} and \crossref{bitlayout}) to Section 5.2 has been split into two (\crossref{endian} and \crossref{bitlayout}) to