equal
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34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
35 \begin{frame}[c] |
35 \begin{frame}[c] |
36 |
36 |
37 \begin{bubble}[10cm] |
37 \begin{bubble}[10cm] |
38 Imagine you have a completely innocent email message, like |
38 Imagine you have a completely innocent email message, like |
39 birthday wishes to your grandmother? Why should you still |
39 birthday wishes to your grandmother. Why should you still |
40 encrypt this message and your grandmother take the effort to |
40 encrypt this message and your grandmother take the effort to |
41 decrypt it? |
41 decrypt it? |
42 \end{bubble} |
42 \end{bubble} |
43 |
43 |
44 \begin{itemize} |
44 \begin{itemize} |
59 \begin{center} |
59 \begin{center} |
60 \includegraphics[scale=0.6]{../pics/escher.jpg}\\ |
60 \includegraphics[scale=0.6]{../pics/escher.jpg}\\ |
61 \footnotesize\mbox{M.C.Escher, Amazing World (from Gödel, Escher, Bach by D.Hofstadter)} |
61 \footnotesize\mbox{M.C.Escher, Amazing World (from Gödel, Escher, Bach by D.Hofstadter)} |
62 \end{center} |
62 \end{center} |
63 |
63 |
|
64 \hfill\includegraphics[scale=0.3]{../pics/hofstadter.jpg} |
64 \end{frame} |
65 \end{frame} |
65 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
66 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
66 |
67 |
67 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
68 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
68 \begin{frame}[c] |
69 \begin{frame}[c] |
69 \frametitle{Interlock Protocol} |
70 \frametitle{Interlock Protocols} |
70 |
71 |
71 \mbox{A Protocol between a car \bl{$C$} and a key transponder \bl{$T$}:}\bigskip |
72 \mbox{A Protocol between a car \bl{$C$} and a key transponder \bl{$T$}:}\bigskip |
72 |
73 |
73 \begin{enumerate} |
74 \begin{enumerate} |
74 \item \bl{$C$} generates a random number \bl{$N$} |
75 \item \bl{$C$} generates a random number \bl{$N$} |
473 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
474 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
474 \begin{frame}[c] |
475 \begin{frame}[c] |
475 \frametitle{Coming Back To\ldots} |
476 \frametitle{Coming Back To\ldots} |
476 |
477 |
477 \begin{bubble}[10cm] |
478 \begin{bubble}[10cm] |
478 Imagine you have an completely innocent email message, like |
479 Imagine you have a completely innocent email message, like |
479 birthday wishes to your grandmother? Why should you still |
480 birthday wishes to your grandmother. Why should you still |
480 encrypt this message and your grandmother take the effort to |
481 encrypt this message and your grandmother take the effort to |
481 decrypt it? |
482 decrypt it? |
482 \end{bubble}\pause |
483 \end{bubble}\pause |
483 |
484 |
484 \begin{itemize} |
485 \begin{itemize} |
|
486 \item \small Any wild guesses?\pause |
485 \item \small |
487 \item \small |
486 Bruce Schneier\\ |
488 Bruce Schneier\\ |
487 NSA Surveillance and What To Do About It\\ |
489 NSA Surveillance and What To Do About It\\ |
488 \url{https://www.youtube.com/watch?v=QXtS6UcdOMs} |
490 \url{https://www.youtube.com/watch?v=QXtS6UcdOMs} |
489 \end{itemize} |
491 \end{itemize} |
501 counter this ``going-dark problem'', the spy agencies push for |
503 counter this ``going-dark problem'', the spy agencies push for |
502 the implementation of back-doors in iMessage and Facebook and |
504 the implementation of back-doors in iMessage and Facebook and |
503 Skype and everything else UK or US-made, which they can use |
505 Skype and everything else UK or US-made, which they can use |
504 eavesdrop on conversations without the conversants' knowledge |
506 eavesdrop on conversations without the conversants' knowledge |
505 or consent. |
507 or consent. |
506 |
|
507 \end{bubble} |
508 \end{bubble} |
508 |
509 |
509 \begin{itemize} |
510 \begin{itemize} |
510 \item What is the fallacy in the spy agencies going-dark |
511 \item What is the fallacy in the spy agencies going-dark |
511 argument? |
512 argument? |