equal
deleted
inserted
replaced
472 |
472 |
473 |
473 |
474 \end{frame}} |
474 \end{frame}} |
475 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
475 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
476 |
476 |
|
477 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
|
478 \mode<presentation>{ |
|
479 \begin{frame}[c] |
|
480 |
|
481 Which security requirements do paper ballots satisfy better than voice voting?\bigskip |
|
482 |
|
483 \begin{itemize} |
|
484 \item Integrity |
|
485 \item Enfranchisement |
|
486 \item Ballot secrecy |
|
487 \item Voter authentication |
|
488 \item Availability |
|
489 \end{itemize} |
|
490 |
|
491 \end{frame}} |
|
492 |
|
493 |
477 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
494 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
478 \mode<presentation>{ |
495 \mode<presentation>{ |
479 \begin{frame}[t] |
496 \begin{frame}[t] |
480 \frametitle{\begin{tabular}{@ {}c@ {}}Paper Ballots\end{tabular}} |
497 \frametitle{\begin{tabular}{@ {}c@ {}}Paper Ballots\end{tabular}} |
481 |
498 |
506 } |
523 } |
507 |
524 |
508 \end{frame}} |
525 \end{frame}} |
509 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
526 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
510 |
527 |
511 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
|
512 \mode<presentation>{ |
|
513 \begin{frame}[c] |
|
514 |
|
515 Which security requirements do paper ballots satisfy better than voice voting?\bigskip |
|
516 |
|
517 \begin{itemize} |
|
518 \item Integrity |
|
519 \item Enfranchisement |
|
520 \item Ballot secrecy |
|
521 \item Voter authentication |
|
522 \item Availability |
|
523 \end{itemize} |
|
524 |
|
525 \end{frame}} |
|
526 |
528 |
527 |
529 |
528 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
530 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
529 \mode<presentation>{ |
531 \mode<presentation>{ |
530 \begin{frame}[t] |
532 \begin{frame}[t] |
608 |
610 |
609 The work by J.~Alex Halderman: |
611 The work by J.~Alex Halderman: |
610 |
612 |
611 \begin{itemize} |
613 \begin{itemize} |
612 \item acquired a machine from an anonymous source\medskip |
614 \item acquired a machine from an anonymous source\medskip |
613 \item the source code running the machine was tried to be kept secret\medskip\pause |
615 \item they try to keep secret the source code running the machine\medskip\pause |
614 |
616 |
615 \item first reversed-engineered the machine (extremely tedious) |
617 \item first reversed-engineered the machine (extremely tedious) |
616 \item could completely reboot the machine and even install a virus that infects other Diebold machines |
618 \item could completely reboot the machine and even install a virus that infects other Diebold machines |
617 \item obtained also the source code for other machines |
619 \item obtained also the source code for other machines |
618 \end{itemize} |
620 \end{itemize} |
651 \includegraphics[scale=0.5]{pics/opticalscan.jpg} |
653 \includegraphics[scale=0.5]{pics/opticalscan.jpg} |
652 \end{tabular} |
654 \end{tabular} |
653 \end{center}\pause |
655 \end{center}\pause |
654 |
656 |
655 You still have to solve problems about |
657 You still have to solve problems about |
656 voter registration, voter authentification, guarding against tampering |
658 voter registration, voter authentication, guarding against tampering |
657 |
659 |
658 \end{frame}} |
660 \end{frame}} |
659 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
661 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
660 |
662 |
661 |
663 |
684 \frametitle{\begin{tabular}{@ {}c@ {}}Lessons Learned\end{tabular}} |
686 \frametitle{\begin{tabular}{@ {}c@ {}}Lessons Learned\end{tabular}} |
685 |
687 |
686 \begin{itemize} |
688 \begin{itemize} |
687 \item keep a paper trail and design your system to keep this secure\medskip |
689 \item keep a paper trail and design your system to keep this secure\medskip |
688 \item make the software open source (avoid security-by-obscurity)\\ |
690 \item make the software open source (avoid security-by-obscurity)\\ |
689 {\small\mbox{}\hfill source code for Estonian vote \textcolor{blue}{\url{http://goo.gl/oRMHAI}}}\medskip |
691 {\small\mbox{}\hfill source code for Estonian e-vote included\\ |
|
692 \mbox{}\hfill\textcolor{blue}{\url{http://goo.gl/oRMHAI}}}\medskip |
690 \item have a simple design in order to minimise the attack surface |
693 \item have a simple design in order to minimise the attack surface |
691 \end{itemize} |
694 \end{itemize} |
692 |
695 |
693 \only<2>{ |
696 \only<2>{ |
694 \begin{textblock}{9}(3.4,7) |
697 \begin{textblock}{9}(3.4,7) |
708 \end{textblock}} |
711 \end{textblock}} |
709 |
712 |
710 \end{frame}} |
713 \end{frame}} |
711 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
714 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
712 |
715 |
|
716 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
|
717 \mode<presentation>{ |
|
718 \begin{frame}[c] |
|
719 \frametitle{Online Banking vs.~E-Voting} |
|
720 |
|
721 \begin{itemize} |
|
722 \item online banking: if fraud occurred you try to identify who did what (somebody's account got zero)\bigskip |
|
723 \item e-voting: some parts can be done electronically, but not the actual voting (final year project: online voting) |
|
724 \end{itemize} |
|
725 |
|
726 |
|
727 \end{frame}} |
|
728 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
|
729 |
|
730 |
713 |
731 |
714 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
732 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
715 \mode<presentation>{ |
733 \mode<presentation>{ |
716 \begin{frame}[c] |
734 \begin{frame}[c] |
717 |
735 |