From e141b76203375eaad45ae571cee72a3f3d449c28 Mon Sep 17 00:00:00 2001
From: Taylor Hornby <taylor@defuse.ca>
Date: Thu, 22 Apr 2021 14:31:55 -0600
Subject: [PATCH] Fix missing divide-by-Z

Co-authored-by: str4d <jack@z.cash>
---
 orchard_sinsemilla.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/orchard_sinsemilla.py b/orchard_sinsemilla.py
index 79fbaa2..aef017d 100755
--- a/orchard_sinsemilla.py
+++ b/orchard_sinsemilla.py
@@ -88,7 +88,7 @@ def map_to_curve_simple_swu(u):
     B = PALLAS_ISO_B
     Z = Fp(-13, False)
     c1 = -B / A
-    c2 = Fp(-1)
+    c2 = Fp(-1) / Z
 
     tv1 = Z * u.exp(2)
     tv2 = tv1.exp(2)