From 38b4ada9971ba81444f031b9cb1dccc2e3735874 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: Tue, 24 Jun 2025 18:50:57 -0300
Subject: [PATCH] fix: handle string format for signing keys in SenderKeyState
 (#1552)

---
 src/Signal/Group/sender-key-state.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/Signal/Group/sender-key-state.ts b/src/Signal/Group/sender-key-state.ts
index 3c0c7a6..141d38c 100644
--- a/src/Signal/Group/sender-key-state.ts
+++ b/src/Signal/Group/sender-key-state.ts
@@ -94,9 +94,11 @@ export class SenderKeyState {
 		const publicKey = this.senderKeyStateStructure.senderSigningKey.public
 		if (publicKey instanceof Buffer) {
 			return publicKey
+		} else if (typeof publicKey === 'string') {
+			return Buffer.from(publicKey, 'base64')
 		}
 
-		return Buffer.from(publicKey || [])
+		return Buffer.from(publicKey)
 	}
 
 	public getSigningKeyPrivate(): Buffer | undefined {
@@ -107,6 +109,8 @@ export class SenderKeyState {
 
 		if (privateKey instanceof Buffer) {
 			return privateKey
+		} else if (typeof privateKey === 'string') {
+			return Buffer.from(privateKey, 'base64')
 		}
 
 		return Buffer.from(privateKey)