--- a/hws/hw10.tex	Sat Sep 23 14:19:09 2017 +0100
+++ b/hws/hw10.tex	Sat Sep 23 19:32:21 2017 +0100
@@ -6,22 +6,9 @@
 \section*{Homework 10}
 
 \begin{enumerate}
-\item What are the main disadvantages of the following
-      protocol that establishes a mutual key between two
-      parties $A$ and $B$ with the help of a mutually trusted
-      third party $S$:
+
 
-\begin{center}
-\begin{tabular}{l@{\hspace{2mm}}l}
-$A \to S :$ & $A, B$\\
-$S \to A :$ & $\{K_{AB}\}_{K_{AS}}$ and $\{\{K_{AB}\}_{K_{BS}} \}_{K_{AS}}$\\
-$A \to B :$ & $\{K_{AB}\}_{K_{BS}}$\\
-$A \to B :$ & $\{m\}_{K_{AB}}$\\
-\end{tabular}
-\end{center}
 
-\item In the context of buffer-overflow attacks, explain briefly
-what is meant by a \emph{NOP-sledge}.
 
 \end{enumerate}
 \end{document}