Fix a couple of typos.

diff --git a/storin.tex b/storin.tex
index 3b66411..d9cb84c 100644 (file)
--- a/storin.tex
+++ b/storin.tex
@@ -1,6 +1,6 @@
 %%% -*-latex-*-
 %%%
-%%% $Id: storin.tex,v 1.1 2000/05/21 11:28:30 mdw Exp $
+%%% $Id: storin.tex,v 1.2 2000/05/21 21:43:26 mdw Exp $
 %%%
 %%% Definition of the cipher
 %%%
@@ -10,6 +10,9 @@
 %%%----- Revision history ---------------------------------------------------
 %%%
 %%% $Log: storin.tex,v $
+%%% Revision 1.2  2000/05/21 21:43:26  mdw
+%%% Fix a couple of typos.
+%%%
 %%% Revision 1.1  2000/05/21 11:28:30  mdw
 %%% Initial check-in.
 %%%
@@ -81,13 +84,13 @@
   \ar `r "d"+(0, 0.5); p+(1, 0) "x" \ar "x"; "d"%
 }
 
-\def\figstart{%
+\def\figstart#1{%
   \POS 0;<1cm,0cm>:%
   \turnradius{4pt}%
-  \ar @{-} (0, 0) *+{a}; p-(0, 0.5) ="a"
-  \ar @{-} (2, 0) *+{b}; p-(0, 0.5) ="b"
-  \ar @{-} (4, 0) *+{c}; p-(0, 0.5) ="c"
-  \ar @{-} (6, 0) *+{d}; p-(0, 0.5) ="d"
+  \ar @{-} (0, 0) *+{a#1}; p-(0, 0.5) ="a"
+  \ar @{-} (2, 0) *+{b#1}; p-(0, 0.5) ="b"
+  \ar @{-} (4, 0) *+{c#1}; p-(0, 0.5) ="c"
+  \ar @{-} (6, 0) *+{d#1}; p-(0, 0.5) ="d"
 }
 
 \def\figround#1#2#3#4#5{%
@@ -123,14 +126,14 @@
   \ar @{--} "d"; "d"-(0, 2) ="d"
 }
 
-\def\figwhite#1#2#3#4{%
+\def\figwhite#1#2#3#4#5{%
   \ar @{.} "a"-(0.5, 0); p+(8, 0)
   \POS "a"+(8, -1)*[r]\txt{Postwhitening}
   \figkeymix{#1}{#2}{#3}{#4}
-  \ar "a"; p-(0, 1) *+{a'}
-  \ar "b"; p-(0, 1) *+{c'}
-  \ar "c"; p-(0, 1) *+{b'}
-  \ar "d"; p-(0, 1) *+{d'}
+  \ar "a"; p-(0, 1) *+{a#5}
+  \ar "b"; p-(0, 1) *+{b#5}
+  \ar "c"; p-(0, 1) *+{c#5}
+  \ar "d"; p-(0, 1) *+{d#5}
 }
 
 \begin{document}
@@ -183,11 +186,11 @@ The cipher structure is shown diagrammatically in figure~\ref{fig:cipher}.
 \leavevmode
 \begin{xy}
   \xycompile{
-    \figstart
+    \figstart{}
     \figround{0}{1}{2}{3}{Round 1}
     \figround{4}{5}{6}{7}{Round 2}
     \figgap
-    \figwhite{32}{33}{34}{35}}
+    \figwhite{32}{33}{34}{35}{'}}
 \end{xy}
 \caption{The Storin encryption function}
 \label{fig:cipher}
@@ -207,11 +210,11 @@ diagrammatically in figure~\ref{fig:decipher}.
 \leavevmode
 \begin{xy}
   \xycompile{
-    \figstart
+    \figstart{'}
     \figiround{32}{33}{34}{35}{Round 1}
     \figiround{28}{29}{30}{31}{Round 2}
     \figgap
-    \figwhite{0}{1}{2}{3}}
+    \figwhite{0}{1}{2}{3}{}}
 \end{xy}
 \caption{The Storin decryption function}
 \label{fig:decipher}
@@ -362,7 +365,7 @@ The matrix $\mathbf{M}$ and its inverse $\mathbf{M}^{-1}$ are:
 
 The initial objective was to produce a cipher which played to the particular
 strengths of digital signal processors.  DSPs tend to have good multipliers,
-and are particularly good at matrix multiplication.  The decision use a
+and are particularly good at matrix multiplication.  The decision to use a
 matrix multiplication over $\mathbb{Z}_{2^{24}}$ seemed natural, given that
 24 bits is a commonly offered word size.