diff --git a/models/classes/security/Business/Domain/Key/Key.php b/models/classes/security/Business/Domain/Key/Key.php
index 73ba09bfb6..83dc7ba850 100644
--- a/models/classes/security/Business/Domain/Key/Key.php
+++ b/models/classes/security/Business/Domain/Key/Key.php
@@ -24,16 +24,22 @@
 
 final class Key
 {
-    /** @var string */
-    private $value;
+    private string $value;
+    private ?string $password;
 
-    public function __construct(string $value)
+    public function __construct(string $value, ?string $password = null)
     {
         $this->value = $value;
+        $this->password = $password;
     }
 
     public function getValue(): string
     {
         return $this->value;
     }
+
+    public function getPassword(): ?string
+    {
+        return $this->password;
+    }
 }
diff --git a/test/unit/models/classes/security/Business/Domain/Key/KeyChainCollectionTest.php b/test/unit/models/classes/security/Business/Domain/Key/KeyChainCollectionTest.php
index db731876b5..dab83dbc90 100644
--- a/test/unit/models/classes/security/Business/Domain/Key/KeyChainCollectionTest.php
+++ b/test/unit/models/classes/security/Business/Domain/Key/KeyChainCollectionTest.php
@@ -46,9 +46,7 @@ public function setUp(): void
         $this->privateKey = new Key('123456');
         $this->publicKey = new Key('654321');
         $this->subject = new KeyChainCollection(
-            ...[
                 new KeyChain(self::ID, self::NAME, $this->publicKey, $this->privateKey),
-            ]
         );
     }
 
diff --git a/test/unit/models/classes/security/Business/Domain/Key/KeyTest.php b/test/unit/models/classes/security/Business/Domain/Key/KeyTest.php
index 67375e2b94..98df04d650 100644
--- a/test/unit/models/classes/security/Business/Domain/Key/KeyTest.php
+++ b/test/unit/models/classes/security/Business/Domain/Key/KeyTest.php
@@ -32,11 +32,12 @@ class KeyTest extends TestCase
 
     public function setUp(): void
     {
-        $this->subject = new Key('123456');
+        $this->subject = new Key('123456', 'password');
     }
 
     public function testGetters(): void
     {
         $this->assertSame('123456', $this->subject->getValue());
+        $this->assertSame('password', $this->subject->getPassword());
     }
 }