From: Chris Duncan <chris@codecow.com>
Date: Sun, 4 Oct 2026 01:13:27 +0000 (-0700)
Subject: Fix canonical check.
X-Git-Url: https://git.codecow.com/?a=commitdiff_plain;h=6a0c4a7698b8f0813976c42a1a3dda2b1971ef87;p=nano25519.git

Fix canonical check.
---

diff --git a/src/assembly/ed25519/ge.ts b/src/assembly/ed25519/ge.ts
index 55a31e1..e843f3d 100644
--- a/src/assembly/ed25519/ge.ts
+++ b/src/assembly/ed25519/ge.ts
@@ -270,7 +270,7 @@ export function ge_has_small_order (p: ge_p3): i32 {
 export function ge_is_canonical (s: StaticArray<u8>): i32 {
 	let c: i32 = (s[31] & 0x7f) ^ 0x7f
 	for (let i = 30; i > 0; i--) {
-		c |= s[i]
+		c |= s[i] ^ 0xff
 	}
 	c = (c - 1) >> 8
 	const d: i32 = (0xec - s[0]) >> 8