I have an elliptic curve $E\backslash \mathbb{F}_p $ (for $p$ prime) which has a point $P$ of order $n$
I need to choose an integer $s\overset{R}{\leftarrow}[1,n]$
Am I right in saying that $s$ should be a random number in the range $[1,n]$? If not, could someone set me straight please.