From 865a0cf178cf27e940ece29f3f5c925ed626bf68 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=98=D0=B2=D0=B0=D0=BD=20=D0=97=D0=BE=D1=80=D0=B8=D0=BD?=
 <creator@localzet.ru>
Date: Sat, 29 Jul 2023 13:30:04 +0500
Subject: [PATCH] Fix

---
 src/WebAuthn/Attestation/AttestationObject.php | 4 ++--
 src/WebAuthn/Attestation/Format/FormatBase.php | 3 +--
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/WebAuthn/Attestation/AttestationObject.php b/src/WebAuthn/Attestation/AttestationObject.php
index bed9841..ebd844e 100644
--- a/src/WebAuthn/Attestation/AttestationObject.php
+++ b/src/WebAuthn/Attestation/AttestationObject.php
@@ -188,9 +188,9 @@ public function getCertificateSubject(): string
 
     /**
      * Возвращает ключ сертификата в формате PEM
-     * @return string
+     * @return string|null
      */
-    public function getCertificatePem(): string
+    public function getCertificatePem(): ?string
     {
         return $this->_attestationFormat->getCertificatePem();
     }
diff --git a/src/WebAuthn/Attestation/Format/FormatBase.php b/src/WebAuthn/Attestation/Format/FormatBase.php
index e84a69d..e54dac3 100644
--- a/src/WebAuthn/Attestation/Format/FormatBase.php
+++ b/src/WebAuthn/Attestation/Format/FormatBase.php
@@ -100,7 +100,7 @@ public function getCertificateChain(): ?string
 
     /**
      * returns the key X.509 certificate in PEM format
-     * @return string
+     * @return string|null
      */
     public function getCertificatePem(): ?string
     {
@@ -112,7 +112,6 @@ public function getCertificatePem(): ?string
      * checks validity of the signature
      * @param string $clientDataHash
      * @return bool
-     * @throws Exception
      */
     public function validateAttestation(string $clientDataHash): bool
     {