From e3d9795c1790e530a198ddb10977499f77ee874a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andreas=20M=C3=BCller?= <andreas.mueller@ost.ch>
Date: Thu, 15 Apr 2021 19:38:56 +0200
Subject: add aes slides

---
 vorlesungen/slides/a/aes/keys.tex | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 vorlesungen/slides/a/aes/keys.tex

(limited to 'vorlesungen/slides/a/aes/keys.tex')

diff --git a/vorlesungen/slides/a/aes/keys.tex b/vorlesungen/slides/a/aes/keys.tex
new file mode 100644
index 0000000..d2ab712
--- /dev/null
+++ b/vorlesungen/slides/a/aes/keys.tex
@@ -0,0 +1,36 @@
+%
+% keys.tex -- slide template
+%
+% (c) 2021 Prof Dr Andreas Müller, OST Ostschweizer Fachhochschule
+%
+\bgroup
+\begin{frame}[t]
+\setlength{\abovedisplayskip}{5pt}
+\setlength{\belowdisplayskip}{5pt}
+\frametitle{Schlüsselerzeugung}
+\vspace{-20pt}
+\begin{columns}[t,onlytextwidth]
+\begin{column}{0.48\textwidth}
+\begin{center}
+\includegraphics[width=\textwidth]{../../buch/chapters/90-crypto/images/keys.pdf}
+\end{center}
+\end{column}
+\begin{column}{0.48\textwidth}
+\begin{block}{Algorithmus}
+\begin{enumerate}
+\item<2->
+Startblock: begebener Schlüssel
+\item<3->
+Zeilenpermutation:
+$\pi=\mathstrut$ Multiplikation mit $Z^3=Z^{-1}$
+\item<4-> $S$-Box
+\item<5-> $r_i$: Addition einer Konstanten
+\[
+r_i = (\texttt{02}_{16})^{i-1}
+\]
+\end{enumerate}
+\end{block}
+\end{column}
+\end{columns}
+\end{frame}
+\egroup
-- 
cgit v1.2.1

