slides/slides05.tex
changeset 272 4f4612d5f670
parent 271 4796f424cf12
child 339 0e78c809b17f
equal deleted inserted replaced
271:4796f424cf12 272:4f4612d5f670
   402 Prevention:
   402 Prevention:
   403 
   403 
   404 \begin{itemize}
   404 \begin{itemize}
   405 \item \bl{$A$} sends public key  to \bl{$B$}
   405 \item \bl{$A$} sends public key  to \bl{$B$}
   406 \item \bl{$B$} sends public key  to \bl{$A$}
   406 \item \bl{$B$} sends public key  to \bl{$A$}
   407 \item \bl{$A$} encrypts message with \bl{$B$}'s public key, 
   407 \item \bl{$A$} encrypts a message with \bl{$B$}'s public key, 
   408   send's {\bf half} of the message to \bl{$B$}
   408   sends {\bf half} of the message to \bl{$B$}
   409 \item \bl{$B$} encrypts message with \bl{$A$}'s public key, 
   409 \item \bl{$B$} encrypts a message with \bl{$A$}'s public key, 
   410  send's {\bf half} of the message back to \bl{$A$}
   410  sends {\bf half} of the message back to \bl{$A$}
   411 \item \bl{$A$} sends other half, \bl{$B$} can now decrypt 
   411 \item \bl{$A$} sends other half, \bl{$B$} can now decrypt 
   412  entire message
   412  entire message
   413 \item \bl{$B$} sends other half, \bl{$A$} can now decrypt 
   413 \item \bl{$B$} sends other half, \bl{$A$} can now decrypt 
   414  entire message
   414  entire message
   415 \end{itemize}\pause
   415 \end{itemize}\pause