From 17f8fb31402cd1d5824370fb28e60f52afdf9fa4 Mon Sep 17 00:00:00 2001
From: Matija Petrunic <matija.petrunic@gmail.com>
Date: Tue, 7 Apr 2020 14:43:25 +0200
Subject: [PATCH] Avoid allocating new buffer

---
 src/handshakes/abstract-handshake.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/handshakes/abstract-handshake.ts b/src/handshakes/abstract-handshake.ts
index feb0a6d..6845d18 100644
--- a/src/handshakes/abstract-handshake.ts
+++ b/src/handshakes/abstract-handshake.ts
@@ -107,7 +107,7 @@ export abstract class AbstractHandshake {
   protected dh(privateKey: bytes32, publicKey: bytes32): bytes32 {
     try {
       const sharedKey = box.before(publicKey, privateKey)
-      return Buffer.from(sharedKey);
+      return Buffer.from(sharedKey.buffer, sharedKey.byteOffset, sharedKey.length);
     } catch (e) {
       logger(e.message);
       return Buffer.alloc(32);