From 34598f245228f9926e191b4809e038fce3049ddf Mon Sep 17 00:00:00 2001
From: Maximilian Kresse <545671+maximiliankresse@users.noreply.github.com>
Date: Mon, 7 Dec 2020 10:02:16 +0100
Subject: [PATCH] Added support for PHP 8.0 Fixed php file eol

---
 .gitattributes                           |   2 +
 composer.json                            |   2 +-
 composer.lock                            | 925 +++++++++++++++++------
 src/Client.php                           |   1 +
 src/Exception.php                        |   4 +-
 src/Identity.php                         |   1 +
 src/SignatureModule.php                  |   3 +-
 src/TimestampModule.php                  |   3 +-
 src/autoload.php                         |   1 +
 tests/bootstrap.php                      |   3 +-
 tests/functional/ClientTest.php          |   2 +-
 tests/functional/SignatureModuleTest.php |   4 +-
 tests/functional/TestHelper.php          |   3 +-
 tests/functional/TimestampModuleTest.php |   2 +-
 14 files changed, 724 insertions(+), 232 deletions(-)
 create mode 100644 .gitattributes

diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..ba360a0
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,2 @@
+*.php text eol=lf
+vendor-bin/**/composer.lock binary
\ No newline at end of file
diff --git a/composer.json b/composer.json
index 44f1ba6..d5478f9 100644
--- a/composer.json
+++ b/composer.json
@@ -3,7 +3,7 @@
     "description": "A SetaPDF-Signer component signature module for the GlobalSign Digital Signing Service.",
     "type": "library",
     "require": {
-        "php": "^7.1",
+        "php": "^7.1 || ^8.0",
         "guzzlehttp/guzzle": "^6.0",
         "setasign/setapdf-signer": "^2.31"
     },
diff --git a/composer.lock b/composer.lock
index 4b686e2..c106ada 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,27 +4,28 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "97607e83a3bb47d063779c49d479b534",
+    "content-hash": "563f4dc444beb029414e3e2ff896711d",
     "packages": [
         {
             "name": "guzzlehttp/guzzle",
-            "version": "6.5.0",
+            "version": "6.5.5",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/guzzle.git",
-                "reference": "dbc2bc3a293ed6b1ae08a3651e2bfd213d19b6a5"
+                "reference": "9d4290de1cfd701f38099ef7e183b64b4b7b0c5e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/dbc2bc3a293ed6b1ae08a3651e2bfd213d19b6a5",
-                "reference": "dbc2bc3a293ed6b1ae08a3651e2bfd213d19b6a5",
+                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/9d4290de1cfd701f38099ef7e183b64b4b7b0c5e",
+                "reference": "9d4290de1cfd701f38099ef7e183b64b4b7b0c5e",
                 "shasum": ""
             },
             "require": {
                 "ext-json": "*",
                 "guzzlehttp/promises": "^1.0",
                 "guzzlehttp/psr7": "^1.6.1",
-                "php": ">=5.5"
+                "php": ">=5.5",
+                "symfony/polyfill-intl-idn": "^1.17.0"
             },
             "require-dev": {
                 "ext-curl": "*",
@@ -32,7 +33,6 @@
                 "psr/log": "^1.1"
             },
             "suggest": {
-                "ext-intl": "Required for Internationalized Domain Name (IDN) support",
                 "psr/log": "Required for using the Log middleware"
             },
             "type": "library",
@@ -71,27 +71,31 @@
                 "rest",
                 "web service"
             ],
-            "time": "2019-12-07T18:20:45+00:00"
+            "support": {
+                "issues": "https://github.com/guzzle/guzzle/issues",
+                "source": "https://github.com/guzzle/guzzle/tree/6.5"
+            },
+            "time": "2020-06-16T21:01:06+00:00"
         },
         {
             "name": "guzzlehttp/promises",
-            "version": "v1.3.1",
+            "version": "1.4.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/promises.git",
-                "reference": "a59da6cf61d80060647ff4d3eb2c03a2bc694646"
+                "reference": "60d379c243457e073cff02bc323a2a86cb355631"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/promises/zipball/a59da6cf61d80060647ff4d3eb2c03a2bc694646",
-                "reference": "a59da6cf61d80060647ff4d3eb2c03a2bc694646",
+                "url": "https://api.github.com/repos/guzzle/promises/zipball/60d379c243457e073cff02bc323a2a86cb355631",
+                "reference": "60d379c243457e073cff02bc323a2a86cb355631",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.5.0"
+                "php": ">=5.5"
             },
             "require-dev": {
-                "phpunit/phpunit": "^4.0"
+                "symfony/phpunit-bridge": "^4.4 || ^5.1"
             },
             "type": "library",
             "extra": {
@@ -122,20 +126,24 @@
             "keywords": [
                 "promise"
             ],
-            "time": "2016-12-20T10:07:11+00:00"
+            "support": {
+                "issues": "https://github.com/guzzle/promises/issues",
+                "source": "https://github.com/guzzle/promises/tree/1.4.0"
+            },
+            "time": "2020-09-30T07:37:28+00:00"
         },
         {
             "name": "guzzlehttp/psr7",
-            "version": "1.6.1",
+            "version": "1.7.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/psr7.git",
-                "reference": "239400de7a173fe9901b9ac7c06497751f00727a"
+                "reference": "53330f47520498c0ae1f61f7e2c90f55690c06a3"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/psr7/zipball/239400de7a173fe9901b9ac7c06497751f00727a",
-                "reference": "239400de7a173fe9901b9ac7c06497751f00727a",
+                "url": "https://api.github.com/repos/guzzle/psr7/zipball/53330f47520498c0ae1f61f7e2c90f55690c06a3",
+                "reference": "53330f47520498c0ae1f61f7e2c90f55690c06a3",
                 "shasum": ""
             },
             "require": {
@@ -148,15 +156,15 @@
             },
             "require-dev": {
                 "ext-zlib": "*",
-                "phpunit/phpunit": "~4.8.36 || ^5.7.27 || ^6.5.8"
+                "phpunit/phpunit": "~4.8.36 || ^5.7.27 || ^6.5.14 || ^7.5.20 || ^8.5.8 || ^9.3.10"
             },
             "suggest": {
-                "zendframework/zend-httphandlerrunner": "Emit PSR-7 responses"
+                "laminas/laminas-httphandlerrunner": "Emit PSR-7 responses"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.6-dev"
+                    "dev-master": "1.7-dev"
                 }
             },
             "autoload": {
@@ -193,7 +201,11 @@
                 "uri",
                 "url"
             ],
-            "time": "2019-07-01T23:21:34+00:00"
+            "support": {
+                "issues": "https://github.com/guzzle/psr7/issues",
+                "source": "https://github.com/guzzle/psr7/tree/1.7.0"
+            },
+            "time": "2020-09-30T07:37:11+00:00"
         },
         {
             "name": "psr/http-message",
@@ -243,6 +255,9 @@
                 "request",
                 "response"
             ],
+            "support": {
+                "source": "https://github.com/php-fig/http-message/tree/master"
+            },
             "time": "2016-08-06T14:39:51+00:00"
         },
         {
@@ -283,16 +298,18 @@
                 }
             ],
             "description": "A polyfill for getallheaders.",
+            "support": {
+                "issues": "https://github.com/ralouphie/getallheaders/issues",
+                "source": "https://github.com/ralouphie/getallheaders/tree/develop"
+            },
             "time": "2019-03-08T08:55:37+00:00"
         },
         {
             "name": "setasign/setapdf-core",
-            "version": "2.32.0.1371",
+            "version": "2.35.0.1507",
             "dist": {
                 "type": "zip",
-                "url": "https://www.setasign.com/downloads/2298773/SetaPDF-Core_2.32.0.1371-without-demos.zip",
-                "reference": null,
-                "shasum": null
+                "url": "https://www.setasign.com/downloads/2682376/SetaPDF-Core_2.35.0.1507-without-demos.zip"
             },
             "type": "library",
             "autoload": {
@@ -306,19 +323,17 @@
             "support": {
                 "email": "support@setasign.com"
             },
-            "time": "2019-08-27T00:00:00+00:00"
+            "time": "2020-07-23T00:00:00+00:00"
         },
         {
             "name": "setasign/setapdf-signer",
-            "version": "2.32.0.1371",
+            "version": "2.35.0.1507",
             "dist": {
                 "type": "zip",
-                "url": "https://www.setasign.com/downloads/2298798/SetaPDF-Signer_2.32.0.1371-without-core.zip",
-                "reference": null,
-                "shasum": null
+                "url": "https://www.setasign.com/downloads/2682364/SetaPDF-Signer_2.35.0.1507-without-core.zip"
             },
             "require": {
-                "setasign/setapdf-core": "2.32.0.1371"
+                "setasign/setapdf-core": "2.35.0.1507"
             },
             "type": "library",
             "autoload": {
@@ -332,42 +347,284 @@
             "support": {
                 "email": "support@setasign.com"
             },
-            "time": "2019-08-27T00:00:00+00:00"
+            "time": "2020-07-23T00:00:00+00:00"
+        },
+        {
+            "name": "symfony/polyfill-intl-idn",
+            "version": "v1.20.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-intl-idn.git",
+                "reference": "3b75acd829741c768bc8b1f84eb33265e7cc5117"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/polyfill-intl-idn/zipball/3b75acd829741c768bc8b1f84eb33265e7cc5117",
+                "reference": "3b75acd829741c768bc8b1f84eb33265e7cc5117",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.1",
+                "symfony/polyfill-intl-normalizer": "^1.10",
+                "symfony/polyfill-php72": "^1.10"
+            },
+            "suggest": {
+                "ext-intl": "For best performance"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-main": "1.20-dev"
+                },
+                "thanks": {
+                    "name": "symfony/polyfill",
+                    "url": "https://github.com/symfony/polyfill"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Polyfill\\Intl\\Idn\\": ""
+                },
+                "files": [
+                    "bootstrap.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Laurent Bassin",
+                    "email": "laurent@bassin.info"
+                },
+                {
+                    "name": "Trevor Rowbotham",
+                    "email": "trevor.rowbotham@pm.me"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill for intl's idn_to_ascii and idn_to_utf8 functions",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "idn",
+                "intl",
+                "polyfill",
+                "portable",
+                "shim"
+            ],
+            "support": {
+                "source": "https://github.com/symfony/polyfill-intl-idn/tree/v1.20.0"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2020-10-23T14:02:19+00:00"
+        },
+        {
+            "name": "symfony/polyfill-intl-normalizer",
+            "version": "v1.20.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-intl-normalizer.git",
+                "reference": "727d1096295d807c309fb01a851577302394c897"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/polyfill-intl-normalizer/zipball/727d1096295d807c309fb01a851577302394c897",
+                "reference": "727d1096295d807c309fb01a851577302394c897",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.1"
+            },
+            "suggest": {
+                "ext-intl": "For best performance"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-main": "1.20-dev"
+                },
+                "thanks": {
+                    "name": "symfony/polyfill",
+                    "url": "https://github.com/symfony/polyfill"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Polyfill\\Intl\\Normalizer\\": ""
+                },
+                "files": [
+                    "bootstrap.php"
+                ],
+                "classmap": [
+                    "Resources/stubs"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill for intl's Normalizer class and related functions",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "intl",
+                "normalizer",
+                "polyfill",
+                "portable",
+                "shim"
+            ],
+            "support": {
+                "source": "https://github.com/symfony/polyfill-intl-normalizer/tree/v1.20.0"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2020-10-23T14:02:19+00:00"
+        },
+        {
+            "name": "symfony/polyfill-php72",
+            "version": "v1.20.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-php72.git",
+                "reference": "cede45fcdfabdd6043b3592e83678e42ec69e930"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/polyfill-php72/zipball/cede45fcdfabdd6043b3592e83678e42ec69e930",
+                "reference": "cede45fcdfabdd6043b3592e83678e42ec69e930",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.1"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-main": "1.20-dev"
+                },
+                "thanks": {
+                    "name": "symfony/polyfill",
+                    "url": "https://github.com/symfony/polyfill"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Polyfill\\Php72\\": ""
+                },
+                "files": [
+                    "bootstrap.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill backporting some PHP 7.2+ features to lower PHP versions",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "polyfill",
+                "portable",
+                "shim"
+            ],
+            "support": {
+                "source": "https://github.com/symfony/polyfill-php72/tree/v1.20.0"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2020-10-23T14:02:19+00:00"
         }
     ],
     "packages-dev": [
         {
             "name": "doctrine/instantiator",
-            "version": "1.3.0",
+            "version": "1.4.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/doctrine/instantiator.git",
-                "reference": "ae466f726242e637cebdd526a7d991b9433bacf1"
+                "reference": "d56bf6102915de5702778fe20f2de3b2fe570b5b"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/doctrine/instantiator/zipball/ae466f726242e637cebdd526a7d991b9433bacf1",
-                "reference": "ae466f726242e637cebdd526a7d991b9433bacf1",
+                "url": "https://api.github.com/repos/doctrine/instantiator/zipball/d56bf6102915de5702778fe20f2de3b2fe570b5b",
+                "reference": "d56bf6102915de5702778fe20f2de3b2fe570b5b",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.1"
+                "php": "^7.1 || ^8.0"
             },
             "require-dev": {
-                "doctrine/coding-standard": "^6.0",
+                "doctrine/coding-standard": "^8.0",
                 "ext-pdo": "*",
                 "ext-phar": "*",
-                "phpbench/phpbench": "^0.13",
-                "phpstan/phpstan-phpunit": "^0.11",
-                "phpstan/phpstan-shim": "^0.11",
-                "phpunit/phpunit": "^7.0"
+                "phpbench/phpbench": "^0.13 || 1.0.0-alpha2",
+                "phpstan/phpstan": "^0.12",
+                "phpstan/phpstan-phpunit": "^0.12",
+                "phpunit/phpunit": "^7.0 || ^8.0 || ^9.0"
             },
             "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "1.2.x-dev"
-                }
-            },
             "autoload": {
                 "psr-4": {
                     "Doctrine\\Instantiator\\": "src/Doctrine/Instantiator/"
@@ -381,7 +638,7 @@
                 {
                     "name": "Marco Pivetta",
                     "email": "ocramius@gmail.com",
-                    "homepage": "http://ocramius.github.com/"
+                    "homepage": "https://ocramius.github.io/"
                 }
             ],
             "description": "A small, lightweight utility to instantiate objects in PHP without invoking their constructors",
@@ -390,24 +647,42 @@
                 "constructor",
                 "instantiate"
             ],
-            "time": "2019-10-21T16:45:58+00:00"
+            "support": {
+                "issues": "https://github.com/doctrine/instantiator/issues",
+                "source": "https://github.com/doctrine/instantiator/tree/1.4.0"
+            },
+            "funding": [
+                {
+                    "url": "https://www.doctrine-project.org/sponsorship.html",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://www.patreon.com/phpdoctrine",
+                    "type": "patreon"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/doctrine%2Finstantiator",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2020-11-10T18:47:58+00:00"
         },
         {
             "name": "myclabs/deep-copy",
-            "version": "1.9.4",
+            "version": "1.10.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/myclabs/DeepCopy.git",
-                "reference": "579bb7356d91f9456ccd505f24ca8b667966a0a7"
+                "reference": "776f831124e9c62e1a2c601ecc52e776d8bb7220"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/myclabs/DeepCopy/zipball/579bb7356d91f9456ccd505f24ca8b667966a0a7",
-                "reference": "579bb7356d91f9456ccd505f24ca8b667966a0a7",
+                "url": "https://api.github.com/repos/myclabs/DeepCopy/zipball/776f831124e9c62e1a2c601ecc52e776d8bb7220",
+                "reference": "776f831124e9c62e1a2c601ecc52e776d8bb7220",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.1"
+                "php": "^7.1 || ^8.0"
             },
             "replace": {
                 "myclabs/deep-copy": "self.version"
@@ -438,7 +713,17 @@
                 "object",
                 "object graph"
             ],
-            "time": "2019-12-15T19:12:40+00:00"
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+                "source": "https://github.com/sebastianbergmann/comparator/tree/3.0.3"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/sebastianbergmann",
+                    "type": "github"
+                }
+            ],
+            "time": "2020-11-30T08:04:30+00:00"
         },
         {
             "name": "sebastian/diff",
-            "version": "3.0.2",
+            "version": "3.0.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/diff.git",
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+                "reference": "14f72dd46eaf2f2293cbe79c93cc0bc43161a211"
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-                "reference": "720fcc7e9b5cf384ea68d9d930d480907a0c1a29",
+                "url": "https://api.github.com/repos/sebastianbergmann/diff/zipball/14f72dd46eaf2f2293cbe79c93cc0bc43161a211",
+                "reference": "14f72dd46eaf2f2293cbe79c93cc0bc43161a211",
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-                "php": "^7.1"
+                "php": ">=7.1"
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@@ -1237,13 +1605,13 @@
                 "BSD-3-Clause"
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-                {
-                    "name": "Kore Nordmann",
-                    "email": "mail@kore-nordmann.de"
-                },
                 {
                     "name": "Sebastian Bergmann",
                     "email": "sebastian@phpunit.de"
+                },
+                {
+                    "name": "Kore Nordmann",
+                    "email": "mail@kore-nordmann.de"
                 }
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             "description": "Diff implementation",
@@ -1254,24 +1622,34 @@
                 "unidiff",
                 "unified diff"
             ],
-            "time": "2019-02-04T06:01:07+00:00"
+            "support": {
+                "issues": "https://github.com/sebastianbergmann/diff/issues",
+                "source": "https://github.com/sebastianbergmann/diff/tree/3.0.3"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/sebastianbergmann",
+                    "type": "github"
+                }
+            ],
+            "time": "2020-11-30T07:59:04+00:00"
         },
         {
             "name": "sebastian/environment",
-            "version": "4.2.3",
+            "version": "4.2.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/environment.git",
-                "reference": "464c90d7bdf5ad4e8a6aea15c091fec0603d4368"
+                "reference": "d47bbbad83711771f167c72d4e3f25f7fcc1f8b0"
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-                "reference": "464c90d7bdf5ad4e8a6aea15c091fec0603d4368",
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                 "shasum": ""
             },
             "require": {
-                "php": "^7.1"
+                "php": ">=7.1"
             },
             "require-dev": {
                 "phpunit/phpunit": "^7.5"
@@ -1307,24 +1685,34 @@
                 "environment",
                 "hhvm"
             ],
-            "time": "2019-11-20T08:46:58+00:00"
+            "support": {
+                "issues": "https://github.com/sebastianbergmann/environment/issues",
+                "source": "https://github.com/sebastianbergmann/environment/tree/4.2.4"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/sebastianbergmann",
+                    "type": "github"
+                }
+            ],
+            "time": "2020-11-30T07:53:42+00:00"
         },
         {
             "name": "sebastian/exporter",
-            "version": "3.1.2",
+            "version": "3.1.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/exporter.git",
-                "reference": "68609e1261d215ea5b21b7987539cbfbe156ec3e"
+                "reference": "6b853149eab67d4da22291d36f5b0631c0fd856e"
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-                "reference": "68609e1261d215ea5b21b7987539cbfbe156ec3e",
+                "url": "https://api.github.com/repos/sebastianbergmann/exporter/zipball/6b853149eab67d4da22291d36f5b0631c0fd856e",
+                "reference": "6b853149eab67d4da22291d36f5b0631c0fd856e",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.0",
+                "php": ">=7.0",
                 "sebastian/recursion-context": "^3.0"
             },
             "require-dev": {
@@ -1374,7 +1762,17 @@
                 "export",
                 "exporter"
             ],
-            "time": "2019-09-14T09:02:43+00:00"
+            "support": {
+                "issues": "https://github.com/sebastianbergmann/exporter/issues",
+                "source": "https://github.com/sebastianbergmann/exporter/tree/3.1.3"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/sebastianbergmann",
+                    "type": "github"
+                }
+            ],
+            "time": "2020-11-30T07:47:53+00:00"
         },
         {
             "name": "sebastian/global-state",
@@ -1425,24 +1823,28 @@
             "keywords": [
                 "global state"
             ],
+            "support": {
+                "issues": "https://github.com/sebastianbergmann/global-state/issues",
+                "source": "https://github.com/sebastianbergmann/global-state/tree/2.0.0"
+            },
             "time": "2017-04-27T15:39:26+00:00"
         },
         {
             "name": "sebastian/object-enumerator",
-            "version": "3.0.3",
+            "version": "3.0.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/object-enumerator.git",
-                "reference": "7cfd9e65d11ffb5af41198476395774d4c8a84c5"
+                "reference": "e67f6d32ebd0c749cf9d1dbd9f226c727043cdf2"
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             "dist": {
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-                "url": "https://api.github.com/repos/sebastianbergmann/object-enumerator/zipball/7cfd9e65d11ffb5af41198476395774d4c8a84c5",
-                "reference": "7cfd9e65d11ffb5af41198476395774d4c8a84c5",
+                "url": "https://api.github.com/repos/sebastianbergmann/object-enumerator/zipball/e67f6d32ebd0c749cf9d1dbd9f226c727043cdf2",
+                "reference": "e67f6d32ebd0c749cf9d1dbd9f226c727043cdf2",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.0",
+                "php": ">=7.0",
                 "sebastian/object-reflector": "^1.1.1",
                 "sebastian/recursion-context": "^3.0"
             },
@@ -1472,24 +1874,34 @@
             ],
             "description": "Traverses array structures and object graphs to enumerate all referenced objects",
             "homepage": "https://github.com/sebastianbergmann/object-enumerator/",
-            "time": "2017-08-03T12:35:26+00:00"
+            "support": {
+                "issues": "https://github.com/sebastianbergmann/object-enumerator/issues",
+                "source": "https://github.com/sebastianbergmann/object-enumerator/tree/3.0.4"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/sebastianbergmann",
+                    "type": "github"
+                }
+            ],
+            "time": "2020-11-30T07:40:27+00:00"
         },
         {
             "name": "sebastian/object-reflector",
-            "version": "1.1.1",
+            "version": "1.1.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/object-reflector.git",
-                "reference": "773f97c67f28de00d397be301821b06708fca0be"
+                "reference": "9b8772b9cbd456ab45d4a598d2dd1a1bced6363d"
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-                "reference": "773f97c67f28de00d397be301821b06708fca0be",
+                "url": "https://api.github.com/repos/sebastianbergmann/object-reflector/zipball/9b8772b9cbd456ab45d4a598d2dd1a1bced6363d",
+                "reference": "9b8772b9cbd456ab45d4a598d2dd1a1bced6363d",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.0"
+                "php": ">=7.0"
             },
             "require-dev": {
                 "phpunit/phpunit": "^6.0"
@@ -1517,24 +1929,34 @@
             ],
             "description": "Allows reflection of object attributes, including inherited and non-public ones",
             "homepage": "https://github.com/sebastianbergmann/object-reflector/",
-            "time": "2017-03-29T09:07:27+00:00"
+            "support": {
+                "issues": "https://github.com/sebastianbergmann/object-reflector/issues",
+                "source": "https://github.com/sebastianbergmann/object-reflector/tree/1.1.2"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/sebastianbergmann",
+                    "type": "github"
+                }
+            ],
+            "time": "2020-11-30T07:37:18+00:00"
         },
         {
             "name": "sebastian/recursion-context",
-            "version": "3.0.0",
+            "version": "3.0.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/recursion-context.git",
-                "reference": "5b0cd723502bac3b006cbf3dbf7a1e3fcefe4fa8"
+                "reference": "367dcba38d6e1977be014dc4b22f47a484dac7fb"
             },
             "dist": {
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-                "url": "https://api.github.com/repos/sebastianbergmann/recursion-context/zipball/5b0cd723502bac3b006cbf3dbf7a1e3fcefe4fa8",
-                "reference": "5b0cd723502bac3b006cbf3dbf7a1e3fcefe4fa8",
+                "url": "https://api.github.com/repos/sebastianbergmann/recursion-context/zipball/367dcba38d6e1977be014dc4b22f47a484dac7fb",
+                "reference": "367dcba38d6e1977be014dc4b22f47a484dac7fb",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.0"
+                "php": ">=7.0"
             },
             "require-dev": {
                 "phpunit/phpunit": "^6.0"
@@ -1555,14 +1977,14 @@
                 "BSD-3-Clause"
             ],
             "authors": [
-                {
-                    "name": "Jeff Welch",
-                    "email": "whatthejeff@gmail.com"
-                },
                 {
                     "name": "Sebastian Bergmann",
                     "email": "sebastian@phpunit.de"
                 },
+                {
+                    "name": "Jeff Welch",
+                    "email": "whatthejeff@gmail.com"
+                },
                 {
                     "name": "Adam Harvey",
                     "email": "aharvey@php.net"
@@ -1570,24 +1992,34 @@
             ],
             "description": "Provides functionality to recursively process PHP variables",
             "homepage": "http://www.github.com/sebastianbergmann/recursion-context",
-            "time": "2017-03-03T06:23:57+00:00"
+            "support": {
+                "issues": "https://github.com/sebastianbergmann/recursion-context/issues",
+                "source": "https://github.com/sebastianbergmann/recursion-context/tree/3.0.1"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/sebastianbergmann",
+                    "type": "github"
+                }
+            ],
+            "time": "2020-11-30T07:34:24+00:00"
         },
         {
             "name": "sebastian/resource-operations",
-            "version": "2.0.1",
+            "version": "2.0.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/resource-operations.git",
-                "reference": "4d7a795d35b889bf80a0cc04e08d77cedfa917a9"
+                "reference": "31d35ca87926450c44eae7e2611d45a7a65ea8b3"
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-                "reference": "4d7a795d35b889bf80a0cc04e08d77cedfa917a9",
+                "url": "https://api.github.com/repos/sebastianbergmann/resource-operations/zipball/31d35ca87926450c44eae7e2611d45a7a65ea8b3",
+                "reference": "31d35ca87926450c44eae7e2611d45a7a65ea8b3",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.1"
+                "php": ">=7.1"
             },
             "type": "library",
             "extra": {
@@ -1612,7 +2044,17 @@
             ],
             "description": "Provides a list of PHP built-in functions that operate on resources",
             "homepage": "https://www.github.com/sebastianbergmann/resource-operations",
-            "time": "2018-10-04T04:07:39+00:00"
+            "support": {
+                "issues": "https://github.com/sebastianbergmann/resource-operations/issues",
+                "source": "https://github.com/sebastianbergmann/resource-operations/tree/2.0.2"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/sebastianbergmann",
+                    "type": "github"
+                }
+            ],
+            "time": "2020-11-30T07:30:19+00:00"
         },
         {
             "name": "sebastian/version",
@@ -1655,24 +2097,28 @@
             ],
             "description": "Library that helps with managing the version number of Git-hosted PHP projects",
             "homepage": "https://github.com/sebastianbergmann/version",
+            "support": {
+                "issues": "https://github.com/sebastianbergmann/version/issues",
+                "source": "https://github.com/sebastianbergmann/version/tree/master"
+            },
             "time": "2016-10-03T07:35:21+00:00"
         },
         {
             "name": "symfony/polyfill-ctype",
-            "version": "v1.13.1",
+            "version": "v1.20.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-ctype.git",
-                "reference": "f8f0b461be3385e56d6de3dbb5a0df24c0c275e3"
+                "reference": "f4ba089a5b6366e453971d3aad5fe8e897b37f41"
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             "dist": {
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-                "reference": "f8f0b461be3385e56d6de3dbb5a0df24c0c275e3",
+                "url": "https://api.github.com/repos/symfony/polyfill-ctype/zipball/f4ba089a5b6366e453971d3aad5fe8e897b37f41",
+                "reference": "f4ba089a5b6366e453971d3aad5fe8e897b37f41",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.3"
+                "php": ">=7.1"
             },
             "suggest": {
                 "ext-ctype": "For best performance"
@@ -1680,7 +2126,11 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.13-dev"
+                    "dev-main": "1.20-dev"
+                },
+                "thanks": {
+                    "name": "symfony/polyfill",
+                    "url": "https://github.com/symfony/polyfill"
                 }
             },
             "autoload": {
@@ -1713,27 +2163,44 @@
                 "polyfill",
                 "portable"
             ],
-            "time": "2019-11-27T13:56:44+00:00"
+            "support": {
+                "source": "https://github.com/symfony/polyfill-ctype/tree/v1.20.0"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2020-10-23T14:02:19+00:00"
         },
         {
             "name": "theseer/tokenizer",
-            "version": "1.1.3",
+            "version": "1.2.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/theseer/tokenizer.git",
-                "reference": "11336f6f84e16a720dae9d8e6ed5019efa85a0f9"
+                "reference": "75a63c33a8577608444246075ea0af0d052e452a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/theseer/tokenizer/zipball/11336f6f84e16a720dae9d8e6ed5019efa85a0f9",
-                "reference": "11336f6f84e16a720dae9d8e6ed5019efa85a0f9",
+                "url": "https://api.github.com/repos/theseer/tokenizer/zipball/75a63c33a8577608444246075ea0af0d052e452a",
+                "reference": "75a63c33a8577608444246075ea0af0d052e452a",
                 "shasum": ""
             },
             "require": {
                 "ext-dom": "*",
                 "ext-tokenizer": "*",
                 "ext-xmlwriter": "*",
-                "php": "^7.0"
+                "php": "^7.2 || ^8.0"
             },
             "type": "library",
             "autoload": {
@@ -1753,28 +2220,39 @@
                 }
             ],
             "description": "A small library for converting tokenized PHP source code into XML and potentially other formats",
-            "time": "2019-06-13T22:48:21+00:00"
+            "support": {
+                "issues": "https://github.com/theseer/tokenizer/issues",
+                "source": "https://github.com/theseer/tokenizer/tree/master"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/theseer",
+                    "type": "github"
+                }
+            ],
+            "time": "2020-07-12T23:59:07+00:00"
         },
         {
             "name": "webmozart/assert",
-            "version": "1.6.0",
+            "version": "1.9.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/webmozart/assert.git",
-                "reference": "573381c0a64f155a0d9a23f4b0c797194805b925"
+                "reference": "bafc69caeb4d49c39fd0779086c03a3738cbb389"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/webmozart/assert/zipball/573381c0a64f155a0d9a23f4b0c797194805b925",
-                "reference": "573381c0a64f155a0d9a23f4b0c797194805b925",
+                "url": "https://api.github.com/repos/webmozart/assert/zipball/bafc69caeb4d49c39fd0779086c03a3738cbb389",
+                "reference": "bafc69caeb4d49c39fd0779086c03a3738cbb389",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.3.3 || ^7.0",
+                "php": "^5.3.3 || ^7.0 || ^8.0",
                 "symfony/polyfill-ctype": "^1.8"
             },
             "conflict": {
-                "vimeo/psalm": "<3.6.0"
+                "phpstan/phpstan": "<0.12.20",
+                "vimeo/psalm": "<3.9.1"
             },
             "require-dev": {
                 "phpunit/phpunit": "^4.8.36 || ^7.5.13"
@@ -1801,7 +2279,11 @@
                 "check",
                 "validate"
             ],
-            "time": "2019-11-24T13:36:37+00:00"
+            "support": {
+                "issues": "https://github.com/webmozart/assert/issues",
+                "source": "https://github.com/webmozart/assert/tree/master"
+            },
+            "time": "2020-07-08T17:02:28+00:00"
         }
     ],
     "aliases": [],
@@ -1810,7 +2292,8 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": "^7.1"
+        "php": "^7.1 || ^8.0"
     },
-    "platform-dev": []
+    "platform-dev": [],
+    "plugin-api-version": "2.0.0"
 }
diff --git a/src/Client.php b/src/Client.php
index af6337b..76ef8e2 100644
--- a/src/Client.php
+++ b/src/Client.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * @copyright Copyright (c) 2019 Setasign - Jan Slabon (https://www.setasign.com)
  * @license   http://opensource.org/licenses/mit-license The MIT License
diff --git a/src/Exception.php b/src/Exception.php
index 6cc850b..ef05d93 100644
--- a/src/Exception.php
+++ b/src/Exception.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * @copyright Copyright (c) 2019 Setasign - Jan Slabon (https://www.setasign.com)
  * @license   http://opensource.org/licenses/mit-license The MIT License
@@ -9,4 +10,5 @@
 namespace setasign\SetaPDF\Signer\Module\GlobalSign\Dss;
 
 class Exception extends \Exception
-{}
+{
+}
diff --git a/src/Identity.php b/src/Identity.php
index 792b1f9..2d05094 100644
--- a/src/Identity.php
+++ b/src/Identity.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * @copyright Copyright (c) 2019 Setasign - Jan Slabon (https://www.setasign.com)
  * @license   http://opensource.org/licenses/mit-license The MIT License
diff --git a/src/SignatureModule.php b/src/SignatureModule.php
index 22ce9a0..65bbf64 100644
--- a/src/SignatureModule.php
+++ b/src/SignatureModule.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * @copyright Copyright (c) 2019 Setasign - Jan Slabon (https://www.setasign.com)
  * @license   http://opensource.org/licenses/mit-license The MIT License
@@ -130,4 +131,4 @@ public function updateDocument(\SetaPDF_Core_Document $document)
             $this->module->updateDocument($document);
         }
     }
-}
\ No newline at end of file
+}
diff --git a/src/TimestampModule.php b/src/TimestampModule.php
index 244d3b6..9888f08 100644
--- a/src/TimestampModule.php
+++ b/src/TimestampModule.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * @copyright Copyright (c) 2019 Setasign - Jan Slabon (https://www.setasign.com)
  * @license   http://opensource.org/licenses/mit-license The MIT License
@@ -61,4 +62,4 @@ protected function getHash($data): string
 
         return \hash('sha256', $data);
     }
-}
\ No newline at end of file
+}
diff --git a/src/autoload.php b/src/autoload.php
index 31e4ae8..4a2b0ed 100644
--- a/src/autoload.php
+++ b/src/autoload.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * @copyright Copyright (c) 2019 Setasign - Jan Slabon (https://www.setasign.com)
  * @license   http://opensource.org/licenses/mit-license The MIT License
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index 9f74770..2bbe452 100644
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -1,4 +1,5 @@
 <?php
+
 error_reporting(E_ALL);
 ini_set('display_errors', 1);
 // if in travis scope
@@ -12,4 +13,4 @@
             AUTOLOAD_PATH
         ));
     }
-}
\ No newline at end of file
+}
diff --git a/tests/functional/ClientTest.php b/tests/functional/ClientTest.php
index c9a730a..d61b015 100644
--- a/tests/functional/ClientTest.php
+++ b/tests/functional/ClientTest.php
@@ -260,4 +260,4 @@ public function testGetTrustchain(Client $client)
         $this->assertTrue(isset($trustChain->trustchain));
         $this->assertTrue(isset($trustChain->ocsp_revocation_info));
     }
-}
\ No newline at end of file
+}
diff --git a/tests/functional/SignatureModuleTest.php b/tests/functional/SignatureModuleTest.php
index 58dd43a..2f90745 100644
--- a/tests/functional/SignatureModuleTest.php
+++ b/tests/functional/SignatureModuleTest.php
@@ -211,7 +211,7 @@ protected function validate($path, $signatureFieldName, $certificate)
         if ($signerInfo->getChild(3)->getIdent() === "\xA0") { // [0] IMPLICIT
             $_signedAttributes = $signerInfo->getChild(3)->getChildren();
             $signedAttributes = array();
-            foreach ($_signedAttributes AS $attribute) {
+            foreach ($_signedAttributes as $attribute) {
                 $attrType = $attribute->getChild(0)->getValue();
                 $attrTypeOid = \SetaPDF_Signer_Asn1_Oid::decode($attrType);
                 $signedAttributes[$attrTypeOid] = $attribute->getChild(1);
@@ -241,4 +241,4 @@ protected function validate($path, $signatureFieldName, $certificate)
 
         return true;
     }
-}
\ No newline at end of file
+}
diff --git a/tests/functional/TestHelper.php b/tests/functional/TestHelper.php
index c7a3805..c0836c4 100644
--- a/tests/functional/TestHelper.php
+++ b/tests/functional/TestHelper.php
@@ -5,7 +5,6 @@
 use PHPUnit\Framework\TestCase;
 use setasign\SetaPDF\Signer\Module\GlobalSign\Dss\Client;
 
-
 class TestHelper extends TestCase
 {
     protected function getClientInstance(array $options = null, $apiKey = null, $apiSecret = null)
@@ -30,4 +29,4 @@ protected function getClientInstance(array $options = null, $apiKey = null, $api
 
         return new Client($options, $apiKey, $apiSecret);
     }
-}
\ No newline at end of file
+}
diff --git a/tests/functional/TimestampModuleTest.php b/tests/functional/TimestampModuleTest.php
index 972f816..c91f60c 100644
--- a/tests/functional/TimestampModuleTest.php
+++ b/tests/functional/TimestampModuleTest.php
@@ -39,4 +39,4 @@ public function testSimpleTimestamp()
         $this->assertSame('ETSI.RFC3161', $value->getValue('SubFilter')->getValue());
         $this->assertNotEmpty($value->getValue('Contents')->getValue());
     }
-}
\ No newline at end of file
+}