February 26, 2002
Practical Aspects of Modern Cryptography
23
n
Non-vertical Lines
n
y
2
= x
3
+ Ax + B
n
y = ax + b
n
(ax + b)
2
= x
3
+ Ax + B
n
x
3
+ A
¢
x
2
+ B
¢
x + C
¢
= 0
Elliptic Curves Intersecting Lines