slides/slides02.tex
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    81 \begin{frame}[c]
       
    82 \frametitle{Defence in Depth}
       
    83 
       
    84 \begin{center}\small
       
    85 \pcode{urbanc:$6$3WWbKfr1$4vblknvGr6FcDeF92R5xFn3mskfdnEn...:...}
       
    86 \end{center}
       
    87 
       
    88 \begin{itemize}
       
    89 \item hashes help when password databases are leaked
       
    90 \item salts help with protecting against dictionary attacks
       
    91   and help people who have the same password on different sites\medskip
       
    92 
       
    93 \item but they do not protect against a focused attack against a single 
       
    94   password and also do not make poorly chosen passwords any better
       
    95 \end{itemize}
       
    96 
       
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   101 \begin{frame}[c]
       
   102 \frametitle{Subtle Points}
       
   103 
       
   104 \begin{itemize}
       
   105 \item in our web-application the salt needed to remain secret;
       
   106   in password files the salt is public\bigskip
       
   107 
       
   108 \item the NYT has the ``resource'' unlocked at first
       
   109   and locks it depending on the cookie data
       
   110 \item our ``web-application'' has the resource locked at first,
       
   111   and unlocks it depending on the cookie data
       
   112 
       
   113 \end{itemize}
       
   114 
       
   115 \end{frame}
       
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   119 \begin{frame}[c]
    82 \begin{frame}[c]
   120 \frametitle{Exam and Homework}
    83 \frametitle{Exam and Homework}
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