Binary file handouts/ho01.pdf has changed

--- a/handouts/ho01.tex	Sun Sep 24 17:51:31 2017 +0100
+++ b/handouts/ho01.tex	Sun Sep 24 18:03:21 2017 +0100
@@ -121,7 +121,7 @@
 guarding and maintaining the system have to do their job
 properly, and also the motive that the attackers have to try
 to defeat your policy). The last point is often overlooked,
-but plays an important role. To illustrate this lets look at
+but plays an important role. To illustrate this let's look at
 an example. 
 
 \subsubsection*{Chip-and-PIN is Surely More Secure, No?}
@@ -230,7 +230,7 @@
 Computer Club conference is for you:
 
 \begin{center}
-\url{https://www.youtube.com/watch?v=XeZbVZQsKO8}
+\url{https://goo.gl/zuwVHb}
 \end{center}
 
 \noindent They claim that they are able to clone Chip-and-PINs

--- a/hws/hw01.tex	Sun Sep 24 17:51:31 2017 +0100
+++ b/hws/hw01.tex	Sun Sep 24 18:03:21 2017 +0100
@@ -56,31 +56,6 @@
       prevented? Hint: Consider the fact that every person
       uses approximately 120l of water every day.
 
-%\item And another one: Nowadays everybody and their
-%      grandmother seems to be scared about a bomb going off at
-%      a big event, say a football game. To mitigate such a
-%      threat, you order expensive metal detectors and hire a
-%      security team that will staff these detectors at each
-%      game. Think whether people are really safer at a
-%      football game with metal detectors or not. Hint: People
-%      certainly might *\emph{feel}* safer by going through
-%      metal detectors, but the question is whether they
-%      *\emph{are}* safer. Hint: Consider how people arrive at
-%      such an event: within a relative short amount of time,
-%      thousands, if not more, spectators will arrive at your
-%      football game.
-
-%% CYA security - cover-your-ass
-% It's an attitude I've seen before: "Something must 
-% be done. This is something. Therefore, we must do it." 
-% Never mind if the something makes any sense or not.
-    
-
-
-
-%\item Imagine there was recently a break in where computer criminals
-%  stole a large password database containing 
-
 \item Explain what hashes and salts are. Describe how they can be used
   for ensuring data integrity and storing password information.