Fix cw.tex
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Andre Henriques 2023-11-03 17:09:24 +00:00
parent b5b4abc98d
commit 2447e63705

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@ -144,9 +144,21 @@
\end{cases}
$$
$$v=77(137,312) + 93(215,-187)=(30544, 6633)$$
$$r=w-v=(4, 9)$$
$$v'=77(137,312) + 93(215,-187)=(30544, 6633)$$
$$r=w-v'=(4, 9)$$
$$
w = v'\times m + r\iff
m= (30544, 6633)\times\begin{pmatrix}
1975 & 438\\
7548 & 1627\\
\end{pmatrix}^-1}\iff
m=(4,3)
$$
The plaintext is $(4, 3)$ and the $r=(4,9)$
C:
\subsection*{7.2}
No he should not.