fix typo in sign of twisted add

o1-labs · Dec 11, 2024 · 66d49ca · 66d49ca
1 parent df65376
commit 66d49ca
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/crypto/elliptic-curve.ts b/crypto/elliptic-curve.ts
@@ -798,7 +798,7 @@ function twistedAdd(
   let ax1x2 = mod(a * x1x2, p);
 
   let x3Num = mod(x1y2 + y1x2, p);
-  let y3Num = mod(y1y2 + ax1x2, p);
+  let y3Num = mod(y1y2 - ax1x2, p);
 
   let dx1x2y1y2 = mod(d * x1x2 * y1y2, p);