diff --git a/gp-scripts/curve25519 b/gp-scripts/curve25519
new file mode 100644
index 0000000..f0228eb
--- /dev/null
+++ b/gp-scripts/curve25519
@@ -0,0 +1,6 @@
+q = 2^255-19
+E = ellinit(Mod([0, 486662, 0, 1, 0], q), Mod(1, q))
+u = Mod(9, q)
+v = sqrt(u^3 + 486662*u^2 + u)
+g = [u, v]
+o = 2^252 + 27742317777372353535851937790883648493