# HG changeset patch
# User Christian Urban <christian dot urban at kcl dot ac dot uk>
# Date 1475042251 -3600
# Node ID 39d66100d7a3c06206caf0b7346177e836800e36
# Parent  33dcbafb27cef1f81856542a1973266bace4649e
updated

diff -r 33dcbafb27ce -r 39d66100d7a3 handouts/ho01.pdf
Binary file handouts/ho01.pdf has changed
diff -r 33dcbafb27ce -r 39d66100d7a3 handouts/ho01.tex
--- a/handouts/ho01.tex	Fri Sep 16 11:07:02 2016 +0100
+++ b/handouts/ho01.tex	Wed Sep 28 06:57:31 2016 +0100
@@ -108,7 +108,7 @@
 
 The questions is whether the Chip-and-PIN system used with
 modern credit cards is more secure than the older method of
-signing receipts at the till. On first glance the answer seems
+signing receipts at the till? On first glance the answer seems
 obvious: Chip-and-PIN must be more secure and indeed improved
 security was the central plank in the ``marketing speak'' of
 the banks behind Chip-and-PIN. The earlier system was based on
diff -r 33dcbafb27ce -r 39d66100d7a3 slides/slides01.pdf
Binary file slides/slides01.pdf has changed
diff -r 33dcbafb27ce -r 39d66100d7a3 slides/slides01.tex
--- a/slides/slides01.tex	Fri Sep 16 11:07:02 2016 +0100
+++ b/slides/slides01.tex	Wed Sep 28 06:57:31 2016 +0100
@@ -495,11 +495,12 @@
 
 \begin{bubble}[10.5cm]
 \small
-The anonymous hacker from earlier:\medskip\\ ``Try to use
+Some anonymous hacker from earlier:\medskip\\ 
+``Try to use
 `Verified-By-Visa' and `Mastercard-Securecode' as rarely as
 possible. If only your CVV2 code is getting sniffed, you are
 not liable for any damage, because the code is physically
-printed and could have been stolen while you payed with your
+printed and could have been stolen while you paid with your
 card at a store. Same applies if someone cloned your CC
 reading the magnetic stripe or sniffing RFID. Only losing your
 VBV or MCSC password can cause serious trouble.''\\
@@ -652,7 +653,7 @@
 \only<5>{
 \begin{textblock}{11}(1,3)
 \begin{bubble}[10cm]\small
-{\bf EU Privacy Directive about Cookies:}\smallskip\\ ``In May 2011, a
+{\bf Cookie Law:}\smallskip\\ ``In May 2011, a
 European Union law was passed stating that websites that leave
 non-essential cookies on visitors' devices have to alert the visitor
 and get acceptance from them. This law applies to both individuals and
@@ -677,7 +678,7 @@
 {\bf GET request:}\smallskip
 \begin{enumerate}
 \item read the cookie from client
-\item if none is present, set \texttt{counter} to \textcolor{blue}{zero}
+\item if none is present, set \texttt{counter} to \textcolor{blue}{0}
 \item if cookie is present, extract \texttt{counter}
 \item if \texttt{counter} is greater or equal than \textcolor{blue}{$5$}, \\
 print a valued customer message\\