changeset 3:f6292213320b

Many additions... - 2 examples of modern symmetric ciphers - problems with symmetric ciphers - begining of asymmetric cipher slide - MANY comments about what will happen next month
author Josef "Jeff" Sipek <jeffpc@josefsipek.net>
date Tue, 08 Aug 2006 01:29:48 -0400
parents 5f931119cf7b
children 0cbc2268d06f
files slideshow.tex
diffstat 1 files changed, 38 insertions(+), 3 deletions(-) [+]
line wrap: on
line diff
--- a/slideshow.tex	Tue Aug 08 00:50:39 2006 -0400
+++ b/slideshow.tex	Tue Aug 08 01:29:48 2006 -0400
@@ -28,7 +28,7 @@
 	\end{minipage}
 \end{slide}}
 
-\overlays{5}{
+\overlays{7}{
 \begin{slide}{Little History}
 	\onlySlide*{1}{
 	\begin{center}
@@ -41,18 +41,36 @@
 		\item Symmetric cipher
 		\begin{itemstep}
 			\item Key used to encrypt \& decrypt
+			\item AES
+			\item Blowfish
 		\end{itemstep}
 	\end{itemstep}
 \end{slide}}
 
+%		- problems
+\overlays{1}{
+\begin{slide}{Problems with Symmetric Ciphers}
+	\begin{itemstep}
+		\item ``Pre-shared secret''
+		% FIXME: add more
+	\end{itemstep}
+	% give postal example
+\end{slide}}
+
 %	- what's asymmetric crypto?
 %		- (a) cypher
 %		- (b) 2 keys!
-\overlays{5}{
+\overlays{4}{
 \begin{slide}{Asymmetric Ciphers}
-	\begin{itemstep}
+	\begin{itemstep}[2]
+		\item 2 keys!
+		\begin{itemstep}
+			\item Public
+			\item Private
+		\end{itemstep}
 	\end{itemstep}
 \end{slide}}
+
 % PGP/GPG's role
 % 	- why is GPG useful? (for me) / why would I want to use it?
 %		- encrypt documents
@@ -70,9 +88,26 @@
 %	- web of trust
 %		- alice/bob/etc. web - built one sig at a time
 % what will happen next month?
+%	- generate keys
+%	- send the PUBLIC key to me
+%	- I will compile a list of keys
+%	- I will put it on the web
+%	- you will verify that your key is correct
+%		- if it is NOT, let me know ASAP
+%	- print a copy & bring it next month
+%	- next month, we'll go though each key
+%		- the author will read it
+%		- the author will present sufficient ID
+%		- rest will verify
+%	- go home, and for each key which was verified by YOU
+%		- sign it
+%	- send me the signed public keys
+%		- I'll combine them, and create a lilug keyring that
+%		everyone can import
 % references
 %	- http://www.gnupg.org/ GNU Privacy Guard
 %	- http://www.ietf.org/rfc/rfc2440.txt OpenPGP Message Format
+
 % Q&A
 \overlays{1}{
 \begin{slide}{Q\&A}