diff --git a/composer.lock b/composer.lock
index 65648909..ab7fab15 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1,10 +1,10 @@
 {
     "_readme": [
         "This file locks the dependencies of your project to a known state",
-        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "f93a783c86bad53b0b8486db3fc61380",
+    "content-hash": "f5575fb747924736058725f236d7fdae",
     "packages": [
         {
             "name": "daita/my-small-php-tools",
@@ -328,18 +328,18 @@
             "authors": [
                 {
                     "name": "Arne Blankerts",
-                    "role": "Developer",
-                    "email": "arne@blankerts.de"
+                    "email": "arne@blankerts.de",
+                    "role": "Developer"
                 },
                 {
                     "name": "Sebastian Heuer",
-                    "role": "Developer",
-                    "email": "sebastian@phpeople.de"
+                    "email": "sebastian@phpeople.de",
+                    "role": "Developer"
                 },
                 {
                     "name": "Sebastian Bergmann",
-                    "role": "Developer",
-                    "email": "sebastian@phpunit.de"
+                    "email": "sebastian@phpunit.de",
+                    "role": "Developer"
                 }
             ],
             "description": "Component for reading phar.io manifest information from a PHP Archive (PHAR)",
@@ -375,18 +375,18 @@
             "authors": [
                 {
                     "name": "Arne Blankerts",
-                    "role": "Developer",
-                    "email": "arne@blankerts.de"
+                    "email": "arne@blankerts.de",
+                    "role": "Developer"
                 },
                 {
                     "name": "Sebastian Heuer",
-                    "role": "Developer",
-                    "email": "sebastian@phpeople.de"
+                    "email": "sebastian@phpeople.de",
+                    "role": "Developer"
                 },
                 {
                     "name": "Sebastian Bergmann",
-                    "role": "Developer",
-                    "email": "sebastian@phpunit.de"
+                    "email": "sebastian@phpunit.de",
+                    "role": "Developer"
                 }
             ],
             "description": "Library for handling version information and constraints",
@@ -657,8 +657,8 @@
             "authors": [
                 {
                     "name": "Sebastian Bergmann",
-                    "role": "lead",
-                    "email": "sebastian@phpunit.de"
+                    "email": "sebastian@phpunit.de",
+                    "role": "lead"
                 }
             ],
             "description": "Library that provides collection, processing, and rendering functionality for PHP code coverage information.",
@@ -705,8 +705,8 @@
             "authors": [
                 {
                     "name": "Sebastian Bergmann",
-                    "role": "lead",
-                    "email": "sb@sebastian-bergmann.de"
+                    "email": "sb@sebastian-bergmann.de",
+                    "role": "lead"
                 }
             ],
             "description": "FilterIterator implementation that filters files based on a list of suffixes.",
@@ -747,8 +747,8 @@
             "authors": [
                 {
                     "name": "Sebastian Bergmann",
-                    "role": "lead",
-                    "email": "sebastian@phpunit.de"
+                    "email": "sebastian@phpunit.de",
+                    "role": "lead"
                 }
             ],
             "description": "Simple template engine.",
@@ -796,8 +796,8 @@
             "authors": [
                 {
                     "name": "Sebastian Bergmann",
-                    "role": "lead",
-                    "email": "sb@sebastian-bergmann.de"
+                    "email": "sb@sebastian-bergmann.de",
+                    "role": "lead"
                 }
             ],
             "description": "Utility class for timing",
@@ -927,8 +927,8 @@
             "authors": [
                 {
                     "name": "Sebastian Bergmann",
-                    "role": "lead",
-                    "email": "sebastian@phpunit.de"
+                    "email": "sebastian@phpunit.de",
+                    "role": "lead"
                 }
             ],
             "description": "The PHP Unit Testing framework.",
@@ -1551,8 +1551,8 @@
             "authors": [
                 {
                     "name": "Sebastian Bergmann",
-                    "role": "lead",
-                    "email": "sebastian@phpunit.de"
+                    "email": "sebastian@phpunit.de",
+                    "role": "lead"
                 }
             ],
             "description": "Library that helps with managing the version number of Git-hosted PHP projects",
@@ -1650,8 +1650,8 @@
             "authors": [
                 {
                     "name": "Arne Blankerts",
-                    "role": "Developer",
-                    "email": "arne@blankerts.de"
+                    "email": "arne@blankerts.de",
+                    "role": "Developer"
                 }
             ],
             "description": "A small library for converting tokenized PHP source code into XML and potentially other formats",
diff --git a/lib/Service/SignatureService.php b/lib/Service/SignatureService.php
index d5cde685..dd035e09 100644
--- a/lib/Service/SignatureService.php
+++ b/lib/Service/SignatureService.php
@@ -396,12 +396,12 @@ class SignatureService {
 	 * @param string $publicKey
 	 * @param array $sign
 	 * @param string $estimated
-	 * @param bool $signed
+	 * @param string $signed
 	 *
 	 * @throws SignatureException
 	 */
 	private function checkRequestSignatureUsingPublicKey(
-		string $publicKey, array $sign, string $estimated, bool $signed
+		string $publicKey, array $sign, string $estimated, string $signed
 	) {
 		$algorithm = $this->getAlgorithmFromSignature($sign);
 		if ($publicKey === ''