[or-cvs] update pdf draft

[arma@xxxxxxxx (Roger Dingledine)]

Update of /home2/or/cvsroot/tor/doc/design-paper
In directory moria.mit.edu:/home2/arma/work/onion/cvs/tor/doc/design-paper

Modified Files:
	challenges.pdf 
Log Message:
update pdf draft


Index: challenges.pdf
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RCS file: /home2/or/cvsroot/tor/doc/design-paper/challenges.pdf,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -d -r1.1 -r1.2
Binary files /tmp/cvsPkvkCZ and /tmp/cvsq1Fw8U differ