#FIG 3.2
Landscape
Center
Inches
Letter  
85.00
Single
-2
1200 2
2 1 0 1 0 7 100 0 -1 0.000 0 0 -1 1 0 2
	0 0 1.00 60.00 120.00
	 3600 1500 6600 1500
2 1 0 1 0 7 100 0 -1 0.000 0 0 -1 1 0 2
	0 0 1.00 60.00 120.00
	 6600 1950 3600 1950
2 1 0 1 0 7 100 0 -1 0.000 0 0 -1 1 0 2
	0 0 1.00 60.00 120.00
	 3600 3000 6600 3000
2 1 0 1 0 7 100 0 -1 0.000 0 0 -1 1 0 2
	0 0 1.00 60.00 120.00
	 6600 3300 3600 3300
4 1 0 50 0 30 11 0.0000 6 195 495 5100 1425 $g^x$\001
4 1 0 50 0 30 11 0.0000 6 195 495 5100 1875 $g^y$\001
4 1 0 50 0 30 11 0.0000 6 195 4245 5100 2325 3.  Compute $K=g^{xy}=(g^y)^x=(g^x)^y\\pmod{p}$\001
4 1 0 50 0 30 11 0.0000 6 195 3375 5100 2625 4.  Encrypt future messages with key $K$\001
4 1 0 50 0 30 11 0.0000 6 180 975 5100 2925 $E_K(m_1)$\001
4 1 0 50 0 30 11 0.0000 6 180 975 5100 3225 $E_K(m_2)$\001
4 1 0 50 0 30 11 0.0000 6 165 690 5100 3525 $\\cdots$\001
4 0 0 50 0 30 12 0.0000 6 135 420 1800 825 Alice\001
4 0 0 50 0 30 11 0.0000 6 165 1605 1800 1425 1.  Pick random $x$\001
4 2 0 50 0 30 12 0.0000 6 135 315 8400 825 Bob\001
4 2 0 50 0 30 11 0.0000 6 195 1605 8400 1800 2.  Pick random $y$\001