Can anyone shed any light on this?
I'm trying to multiply a point in an elliptic curve group.
The curve is over . As an example, I'll use - this point is indeed in the elliptic group.
I believe the rule for multiplication in this case is that: is given by:
So by my working out..
I'm not sure how to get any further with this. The answer here is that therefore .
But I have no idea why
Can anyone help?
Thanks for any suggestions!