1 files changed, 4 insertions, 3 deletions
diff --git a/lib/private/Security/IdentityProof/Key.php b/lib/private/Security/IdentityProof/Key.php
index b01a5c66bb8..4f79dee15db 100644
--- a/lib/private/Security/IdentityProof/Key.php
+++ b/lib/private/Security/IdentityProof/Key.php
@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 /**
  * @copyright Copyright (c) 2016 Lukas Reschke <lukas@statuscode.ch>
  *
@@ -33,16 +34,16 @@ class Key {
 	 * @param string $publicKey
 	 * @param string $privateKey
 	 */
-	public function __construct($publicKey, $privateKey) {
+	public function __construct(string $publicKey, string $privateKey) {
 		$this->publicKey = $publicKey;
 		$this->privateKey = $privateKey;
 	}
 
-	public function getPrivate() {
+	public function getPrivate(): string {
 		return $this->privateKey;
 	}
 
-	public function getPublic() {
+	public function getPublic(): string {
 		return $this->publicKey;
 	}
 }