Add an interaction diagram to CVS. It still to be edited, scaled, and

incorporated into the paper.  Maybe more.

A good caption might be: "Alice builds a two-hop circuit and begins
fetching a web page."


svn:r1042

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+2 1 0 1 0 7 50 0 -1 3.000 0 0 -1 1 0 2
+	1 1 1.00 60.00 120.00
+	 6000 3600 3600 3600
+2 1 0 1 0 7 50 0 -1 3.000 0 0 -1 1 0 2
+	1 1 1.00 60.00 120.00
+	 3600 3675 1200 3675
+2 1 0 1 0 7 50 0 -1 3.000 0 0 -1 1 0 2
+	1 1 1.00 60.00 120.00
+	 3600 3750 1200 3750
+2 1 0 1 0 7 50 0 -1 3.000 0 0 -1 1 0 2
+	1 1 1.00 60.00 120.00
+	 3600 3825 1200 3825
+2 1 0 2 0 7 50 0 -1 0.000 0 0 -1 0 0 2
+	 8175 300 8175 3975
+2 2 0 1 0 7 50 0 20 3.000 0 0 -1 0 0 5
+	 6300 825 7950 825 7950 1725 6300 1725 6300 825
+4 0 0 50 0 2 12 0.0000 4 135 450 3375 225 OR  1\001
+4 0 0 50 0 2 12 0.0000 4 135 420 1050 225 Alice\001
+4 0 0 50 0 2 12 0.0000 4 135 450 5775 225 OR  2\001
+4 0 0 50 0 0 10 0.0000 4 105 960 6075 3075 "HTTP GET..."\001
+4 1 0 50 0 0 10 0.0000 4 15 135 4800 3975 ...\001
+4 1 0 50 0 0 10 0.0000 4 15 135 7125 3975 ...\001
+4 1 0 50 0 0 10 0.0000 4 15 135 2400 3975 ...\001
+4 1 0 50 0 0 10 0.0000 4 135 1050 7125 2325 (TCP handshake)\001
+4 0 0 50 0 2 12 0.0000 4 135 630 7875 225 website\001
+4 1 0 50 0 0 10 0.0000 4 135 1335 7125 1425 {X}--AES encryption\001
+4 1 0 50 0 0 10 0.0000 4 135 1410 7125 1200 E(x)--RSA encryption\001
+4 1 0 50 0 0 10 0.0000 4 135 480 7125 975 Legend:\001
+4 1 0 50 0 0 10 0.0000 4 135 1455 2400 225 (link is TLS-encrypted)\001
+4 0 0 50 0 0 10 0.0000 4 135 2085 1275 1050 Relay c1 {Extend, OR2, E(g^x2)}\001
+4 0 0 50 0 0 10 0.0000 4 135 1965 1275 2025 Relay c1{{Begin <website>:80}}\001
+4 2 0 50 0 0 10 0.0000 4 135 2190 3525 1500 Relay c1 {Extended, g^y2,   H(K2)}\001
+4 0 0 50 0 0 10 0.0000 4 135 1845 3675 2100 Relay c2{Begin <website>:80}\001
+4 2 0 50 0 0 10 0.0000 4 135 1410 3525 2550 Relay c1{{Connected}}\001
+4 2 0 50 0 0 10 0.0000 4 135 1290 5925 2475 Relay c2{Connected}\001
+4 0 0 50 0 0 10 0.0000 4 135 2085 1275 2925 Relay c1{{Data, "HTTP GET..."}}\001
+4 0 0 50 0 0 10 0.0000 4 135 1965 3675 3000 Relay c2{Data, "HTTP GET..."}\001
+4 1 0 50 0 0 10 0.0000 4 135 1365 4800 225 (link is TLS encryped)\001
+4 1 0 50 0 0 10 0.0000 4 135 870 7050 225 (unencrypted)\001
+4 1 0 50 0 0 10 0.0000 4 105 780 7125 1650 cN--a circID\001
+4 2 0 50 0 0 10 0.0000 4 135 1860 3525 3600 Relay c1{{Data, (r response)}}\001
+4 2 0 50 0 0 10 0.0000 4 135 645 8100 3375 (response)\001
+4 2 0 50 0 0 10 0.0000 4 135 1650 5925 3450 Relay c2{Data, (response)}\001
+4 2 0 50 0 0 10 0.0000 4 135 1545 5925 1425 Created  c2, g^y2, H(K2)\001
+4 0 0 50 0 0 10 0.0000 4 135 1170 3675 1125 Create c2, E(g^x2)\001
+4 0 0 50 0 0 10 0.0000 4 135 1170 1275 450 Create c1, E(g^x1)\001
+4 2 0 50 0 0 10 0.0000 4 135 1545 3525 750 Created c1,  g^y1, H(K1)\001