From: Chris Duncan <chris@zoso.dev>
Date: Sun, 17 Aug 2025 23:00:11 +0000 (-0700)
Subject: Offload type checking to called function.
X-Git-Tag: v0.10.5~41^2~82
X-Git-Url: https://git.codecow.com/?a=commitdiff_plain;h=fb06f39c3431dcdeb51d68fc9948e11d00cce0bc;p=libnemo.git

Offload type checking to called function.
---

diff --git a/src/lib/crypto/nano-nacl.ts b/src/lib/crypto/nano-nacl.ts
index cd6ecc7..35e57ab 100644
--- a/src/lib/crypto/nano-nacl.ts
+++ b/src/lib/crypto/nano-nacl.ts
@@ -574,31 +574,18 @@ export class NanoNaCl {
 	static verify (signedMessage: unknown, signature: unknown, publicKey: unknown): boolean {
 		try {
 			if (!(signedMessage instanceof Uint8Array)) {
-				throw new TypeError('Message must be Uint8Array')
+				throw new TypeError('Signed message must be Uint8Array')
 			}
 			if (!(signature instanceof Uint8Array)) {
 				throw new TypeError('Signature must be Uint8Array')
 			}
-			if (!(publicKey instanceof Uint8Array)) {
-				throw new TypeError('Public key must be Uint8Array')
-			}
 			if (signature.byteLength !== this.crypto_sign_BYTES) {
 				throw new Error(`Signature must be ${this.crypto_sign_BYTES} bytes`)
 			}
-			if (publicKey.byteLength !== this.crypto_sign_PUBLICKEYBYTES) {
-				throw new Error(`Public key must be ${this.crypto_sign_PUBLICKEYBYTES} bytes`)
-			}
-			const msg = new Uint8Array(signedMessage)
-			const sig = new Uint8Array(signature)
-			const pub = new Uint8Array(publicKey)
-			signedMessage = undefined
-			signature = undefined
-			publicKey = undefined
-			const sm = new Uint8Array(this.crypto_sign_BYTES + msg.length)
-			const m = new Uint8Array(this.crypto_sign_BYTES + msg.length)
-			sm.set(sig, 0)
-			sm.set(msg, this.crypto_sign_BYTES)
-			return (this.crypto_sign_open(m, sm, sm.length, pub) >= 0)
+			const sm = new Uint8Array(this.crypto_sign_BYTES + signedMessage.length)
+			sm.set(signature, 0)
+			sm.set(signedMessage, this.crypto_sign_BYTES)
+			return (this.open(sm, publicKey as Uint8Array<ArrayBuffer>).byteLength >= 0)
 		} catch (err) {
 			throw new Error('Failed to verify signature on message with the given public key', { cause: err })
 		}