From 210338c74732ffafd31c67727e88d9c5b7dc80c0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jo=C3=A3o=20Lucas=20de=20Oliveira=20Lopes?=
 <55464917+jlucaso1@users.noreply.github.com>
Date: Wed, 25 Jun 2025 14:58:13 -0300
Subject: [PATCH] fix: handle potential null values when creating Buffers from
 signing keys (#1558)

---
 src/Signal/Group/sender-key-state.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Signal/Group/sender-key-state.ts b/src/Signal/Group/sender-key-state.ts
index 141d38c..0ec65b7 100644
--- a/src/Signal/Group/sender-key-state.ts
+++ b/src/Signal/Group/sender-key-state.ts
@@ -98,7 +98,7 @@ export class SenderKeyState {
 			return Buffer.from(publicKey, 'base64')
 		}
 
-		return Buffer.from(publicKey)
+		return Buffer.from(publicKey || [])
 	}
 
 	public getSigningKeyPrivate(): Buffer | undefined {
@@ -113,7 +113,7 @@ export class SenderKeyState {
 			return Buffer.from(privateKey, 'base64')
 		}
 
-		return Buffer.from(privateKey)
+		return Buffer.from(privateKey || [])
 	}
 
 	public hasSenderMessageKey(iteration: number): boolean {