Skip to content
Find file
Fetching contributors…
Cannot retrieve contributors at this time
86 lines (82 sloc) 2.75 KB
%%%% why-RSA-works/block-diagram.tex
%%%% Copyright 2012 Peter Franusic.
%%%% All rights reserved.
%%%%
%%
%% 2 3 4 5 6 7
%% 6789012345678901234567890123456789012345678901234567890123456
%% Alice's Alice's
%% public key private key
%% {---------} {---------}
%% n e n d
%% | | | |
%% | | | |
%% | | | |
%% +-------------+ +-------------+
%% m | | c | | y
%% --------| m # x |--------| m # x' |--------
%% | | | |
%% +-------------+ +-------------+
%%
%% An RSA cryptosystem
% graphic macro definitions
\setlength{\unitlength}{0.05in} % for pictures
\newsavebox{\bigblock}
\savebox{\bigblock}(16,12)[bl]{
\put( 0, 0){\line(1,0){16}}
\put( 0, 12){\line(1,0){16}}
\put( 0, 0){\line(0,1){12}}
\put(16, 0){\line(0,1){12}}}
\newsavebox{\smallblock}
\savebox{\smallblock}(9,12)[bl]{
\put( 0, 0){\line(1,0){ 9}}
\put( 0, 12){\line(1,0){ 9}}
\put( 0, 0){\line(0,1){12}}
\put( 9, 0){\line(0,1){12}}}
% The block diagram
\begin{picture}(90,45)(0,0)
% Box around picture
%\put( 0.0, 0.0){\line(1,0){90}}
%\put( 0.0, 42.0){\line(1,0){90}}
%\put( 0.0, 0.0){\line(0,1){42}}
%\put( 90.0, 0.0){\line(0,1){42}}
% Transmitter
\put( 18.0, 37.0){\textsf{Alice's}}
\put( 16.2, 34.0){\textsf{public key}}
\put( 16.8, 28.0){$\overbrace{\phantom{XXXX}}$}
\put( 14.0, 11.0){\usebox{\bigblock}}
\put( 18.0, 16.5){\large{\texttt{modex}}}
\put( 8.0, 18.0){$m$}
\put( 6.0, 17.0){\vector(1,0){8}}
\put( 17.3, 27.0){$n$}
\put( 18.0, 26.0){\vector(0,-1){3}}
\put( 25.3, 27.0){$e$}
\put( 26.0, 26.0){\vector(0,-1){3}}
\put( 33.5, 18.0){$c$}
\put( 15.5, 7.0){\textsf{transmitter}}
\put( 18.8, 4.0){\textsf{(Bob)}}
% Channel
\put( 30.0, 17.0){\vector(1,0){28}}
\put( 39.0, 37.0){\textsf{insecure}}
\put( 39.0, 34.0){\textsf{channel}}
\put( 36.4, 28.0){$\overbrace{\phantom{XXXXXX}}$}
\put( 44.0, 17.0){\circle{2}}
\put( 44.0, 16.0){\line(0,-1){5.5}}
\put( 40.5, 7.0){\textsf{sniffer}}
\put( 41.0, 4.0){\textsf{(Eve)}}
% Receiver
\put( 62.0, 37.0){\textsf{Alice's}}
\put( 59.7, 34.0){\textsf{private key}}
\put( 60.8, 28.0){$\overbrace{\phantom{XXXX}}$}
\put( 58.0, 11.0){\usebox{\bigblock}}
\put( 62.0, 16.5){\large{\texttt{modex}}}
\put( 53.0, 18.0){$c$}
\put( 61.3, 27.0){$n$}
\put( 62.0, 26.0){\vector(0,-1){3}}
\put( 69.3, 27.0){$d$}
\put( 70.0, 26.0){\vector(0,-1){3}}
\put( 76.5, 18.0){$y$}
\put( 74.0, 17.0){\vector(1,0){8}}
\put( 62.0, 7.0){\textsf{receiver}}
\put( 62.5, 4.0){\textsf{(Alice)}}
\end{picture}
Something went wrong with that request. Please try again.