mirageStackBody.tex

\begin{figure}[t]
    \centering
    \begin{picture}(170,70)
        \put(50,60){\framebox(50,10){File system}}
        
        \put(100,65){\vector(1,0){20}}
        \put(120,65){\vector(-1,0){20}}
        
        \put(120,60){\framebox(50,10){Search module}}
        
        \multiput(44,55)(4,0){32}{\line(1,0){2}}
        \put(0,54){\texttt{BLOCK} Interface}
        \put(75,60){\vector(0,-1){10}}
        \put(75,50){\vector(0,1){10}}
        
        %\put(145,45){\vector(0,1){15}}
        %\put(145,45){\vector(-1,0){45}}
        
        \put(50,40){\framebox(50,10){ORAM}}
        
        \multiput(44,35)(4,0){32}{\line(1,0){2}}
        \put(0,34){\texttt{BLOCK} Interface}
        \put(75,40){\vector(0,-1){10}}
        \put(75,30){\vector(0,1){10}}
        
        \put(50,20){\framebox(50,10){Encryption}}
        
        \multiput(44,15)(4,0){32}{\line(1,0){2}}
        \put(0,14){\texttt{BLOCK} Interface}
        \put(75,20){\vector(0,-1){10}}
        \put(75,10){\vector(0,1){10}}
        
        \put(50,0){\framebox(50,10){\texttt{BLOCK}}}
    \end{picture}
    \caption{The application stack: ORAM satisfies MirageOS's \emph{\texttt{BLOCK}} interface and any underlying \emph{\texttt{BLOCK}} implementation can be used.}
    \label{fig:miragestack}
\end{figure}