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     7 \section*{Homework 1}

     8 

     9 \begin{enumerate}

    10 \item {\bf (Optional)} If you want to have a look at the code presented in the lectures, install Scala available (for free) from

    11 \begin{center}

    12 \url{http://www.scala-lang.org}

    13 \end{center}

    14 

    15 \noindent

    16 The web-applications from the first lecture are written in Scala using the Play Framework available (also for free) from

    17 \begin{center}

    18 \url{http://www.playframework.org}

    19 \end{center}

    20 

    21 \item Practice thinking like an attacker. Assume the following situation:

    22 \begin{quote}\it

    23 Prof.~V.~Nasty gives the following final exam question (closed books, closed notes):\bigskip

    24 

    25 \noindent

    26 \begin{tabular}{@ {}l}

    27 Write the first 100 digits of pi:\\

    28 3.\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_

    29 \end{tabular}

    30 \end{quote}

    31 

    32 \noindent

    33 Think of ways how you can cheat in this exam?

    34 

    35 \item Explain what hashes and salts are. Describe how they can be used for ensuring data integrity and

    36 storing password information.

    37 

    38 \item What are good uses of cookies (that is browser cookies)?

    39 

    40 \end{enumerate}

    41 

    42 \end{document}

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