From: Chris Duncan <chris@zoso.dev>
Date: Sat, 15 Aug 2026 07:57:46 +0000 (-0700)
Subject: Fix output buffer copy.
X-Git-Url: https://git.codecow.com/?a=commitdiff_plain;h=82c5825f91bcd7952d871d2a1833dbd4b7cedda0;p=nano25519.git

Fix output buffer copy.
---

diff --git a/src/lib/nano25519.ts b/src/lib/nano25519.ts
index 3d9945e..2f402b2 100644
--- a/src/lib/nano25519.ts
+++ b/src/lib/nano25519.ts
@@ -93,9 +93,8 @@ export const nano25519_init = (bytes: number[]): { derive: typeof derive, sign:
 				}
 				return hex
 			} else if (isBytes(k) && out != null) {
-				for (let i = 0; i < 32; i++) {
-					out[i] = publicKey[i]
-				}
+				out.set(publicKey)
+				publicKey.fill(0)
 				return
 			} else {
 				return publicKey
@@ -103,7 +102,6 @@ export const nano25519_init = (bytes: number[]): { derive: typeof derive, sign:
 		} finally {
 			clear(buffer)
 			privateKey.fill(0)
-			publicKey.fill(0)
 		}
 	}
 
@@ -138,9 +136,8 @@ export const nano25519_init = (bytes: number[]): { derive: typeof derive, sign:
 				}
 				return hex
 			} else if (isBytes(k) && s != null) {
-				for (let i = 0; i < 32; i++) {
-					s[i] = signature[i]
-				}
+				s.set(signature)
+				signature.fill(0)
 				return
 			} else {
 				return signature
@@ -148,7 +145,6 @@ export const nano25519_init = (bytes: number[]): { derive: typeof derive, sign:
 		} finally {
 			clear(buffer)
 			secretKey.fill(0)
-			signature.fill(0)
 		}
 	}