From: Chris Duncan <chris@zoso.dev>
Date: Wed, 15 Apr 2026 06:50:36 +0000 (-0700)
Subject: Fix regular expression anchoring.
X-Git-Tag: v1.0.2~2
X-Git-Url: https://git.codecow.com/?a=commitdiff_plain;h=c78a2fc154d2704d9dd5f45f644dbd26387f3470;p=nano25519.git

Fix regular expression anchoring.
---

diff --git a/src/lib/nano25519.ts b/src/lib/nano25519.ts
index 32a7eb4..c9d6fca 100644
--- a/src/lib/nano25519.ts
+++ b/src/lib/nano25519.ts
@@ -150,7 +150,7 @@ const nano25519_init = (bytes: number[]): { derive: typeof derive, sign: typeof
 			throw new TypeError(`Invalid byte length for ${name}`)
 		}
 		if (typeof value === 'string') {
-			const regex = RegExp(`[A-Fa-f0-9]{${byteLengthMin << 1},${byteLengthMax << 1}}`)
+			const regex = RegExp(`^[A-Fa-f0-9]{${byteLengthMin << 1},${byteLengthMax << 1}}$`)
 			if (!regex.test(value)) {
 				throw new TypeError(`Invalid ${name} ${value}`)
 			}