From a8bcabb090ce57f2b4c535e7a1283ffa06496ad1 Mon Sep 17 00:00:00 2001
From: Gancho Radkov <ganchoradkov@gmail.com>
Date: Fri, 1 Sep 2023 11:33:26 +0100
Subject: [PATCH] fix: sets `rejectZero` flag to true to avoid all zero key
 derivation

---
 packages/utils/src/crypto.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/packages/utils/src/crypto.ts b/packages/utils/src/crypto.ts
index 2f0c91618..d8ea8999e 100644
--- a/packages/utils/src/crypto.ts
+++ b/packages/utils/src/crypto.ts
@@ -36,6 +36,7 @@ export function deriveSymKey(privateKeyA: string, publicKeyB: string): string {
   const sharedKey = x25519.sharedKey(
     fromString(privateKeyA, BASE16),
     fromString(publicKeyB, BASE16),
+    true,
   );
   const hkdf = new HKDF(SHA256, sharedKey);
   const symKey = hkdf.expand(KEY_LENGTH);