equal
deleted
inserted
replaced
570 |
570 |
571 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
571 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
572 \begin{frame}[c] |
572 \begin{frame}[c] |
573 \frametitle{The Bad Guy Again} |
573 \frametitle{The Bad Guy Again} |
574 |
574 |
575 \begin{bubble}[10cm] |
575 \begin{bubble}[10.5cm] |
576 \small |
576 \small |
577 The anonymous hacker from earlier:\medskip\\ ``Try to use |
577 The anonymous hacker from earlier:\medskip\\ ``Try to use |
578 `Verified-By-Visa' and `Mastercard-Securecode' as rarely as |
578 `Verified-By-Visa' and `Mastercard-Securecode' as rarely as |
579 possible. If only your CVV2 code is getting sniffed, you are |
579 possible. If only your CVV2 code is getting sniffed, you are |
580 not liable for any damage, because the code is physically |
580 not liable for any damage, because the code is physically |
834 {\bf GET request:}\smallskip |
834 {\bf GET request:}\smallskip |
835 \begin{enumerate} |
835 \begin{enumerate} |
836 \item read the cookie from client |
836 \item read the cookie from client |
837 \item if none is present, set \texttt{counter} to \textcolor{blue}{zero} |
837 \item if none is present, set \texttt{counter} to \textcolor{blue}{zero} |
838 \item if cookie is present, extract \texttt{counter} |
838 \item if cookie is present, extract \texttt{counter} |
839 \item if \texttt{counter} is greater or equal \textcolor{blue}{$5$}, \\ |
839 \item if \texttt{counter} is greater or equal than \textcolor{blue}{$5$}, \\ |
840 print a valued customer message\\ |
840 print a valued customer message\\ |
841 otherwise just a normal message |
841 otherwise just a normal message |
842 \item increase \texttt{counter} by \textcolor{blue}{$1$} and store new cookie with client |
842 \item increase \texttt{counter} by \textcolor{blue}{$1$} and store new cookie with client |
843 \end{enumerate} |
843 \end{enumerate} |
844 |
844 |