From: Chris Duncan <chris@codecow.com>
Date: Fri, 25 Sep 2026 17:19:32 +0000 (-0700)
Subject: Compute offset instead of relying on magic number.
X-Git-Url: https://git.codecow.com/?a=commitdiff_plain;h=85e63b7ae56ff4c776013964b7e41ddda59b2e3c;p=nano25519.git

Compute offset instead of relying on magic number.
---

diff --git a/src/lib/verify.ts b/src/lib/verify.ts
index 1307276..983cbb4 100644
--- a/src/lib/verify.ts
+++ b/src/lib/verify.ts
@@ -51,7 +51,7 @@ export function verify_blocks (pub: unknown, data: unknown): boolean[] {
 			}
 			const signature = normalize('signature', SIGNATURE_BYTELENGTH, SIGNATURE_BYTELENGTH, block.signature)
 			const hash = normalize('hash', BLOCKHASH_BYTELENGTH, BLOCKHASH_BYTELENGTH, block.hash)
-			const offset = b * 96
+			const offset = b * (SIGNATURE_BYTELENGTH + BLOCKHASH_BYTELENGTH)
 			message.set(signature, offset)
 			message.set(hash, offset + SIGNATURE_BYTELENGTH)
 		}