From: Chris Duncan <chris@zoso.dev>
Date: Sun, 16 Aug 2026 05:54:12 +0000 (-0700)
Subject: Fix similar issue with asc bit shift operand masking when checking canonicity.
X-Git-Url: https://git.codecow.com/?a=commitdiff_plain;h=d07fc5489756a4430c05ee2af62097b0bc5bb243;p=nano25519.git

Fix similar issue with asc bit shift operand masking when checking canonicity.
---

diff --git a/src/assembly/ge.ts b/src/assembly/ge.ts
index c82639f..c9e4c58 100644
--- a/src/assembly/ge.ts
+++ b/src/assembly/ge.ts
@@ -169,13 +169,13 @@ export function ge_has_small_order (p: ge_p3): i32 {
  * true if `s < p`
  */
 export function ge_is_canonical (s: StaticArray<u8>): u8 {
-	let c: u8 = (s[31] & 0x7f) ^ 0x7f
+	let c: i32 = (s[31] & 0x7f) ^ 0x7f
 	for (let i = 30; i > 0; i--) {
 		c |= s[i] ^ 0xff
 	}
 	c = (c - 1) >> 8
-	const d: u8 = (0xec - s[0]) >> 8
-	return 1 - (c & d & 1)
+	const d: i32 = (0xec - s[0]) >> 8
+	return u8(1 - (c & d & 1))
 }
 
 const ge_scalarmult_base_e: StaticArray<i8> = new StaticArray<i8>(64)