84 files declare their use of Crypt

AggregatorTestRssController.php in core/modules/aggregator/tests/modules/aggregator_test/src/Controller/AggregatorTestRssController.php
AnnotatedClassDiscovery.php in core/lib/Drupal/Component/Annotation/Plugin/Discovery/AnnotatedClassDiscovery.php
AssetDumper.php in core/lib/Drupal/Core/Asset/AssetDumper.php
AssetResolver.php in core/lib/Drupal/Core/Asset/AssetResolver.php
BigPipe.php in core/modules/big_pipe/src/Render/BigPipe.php
BigPipeStrategy.php in core/modules/big_pipe/src/Render/Placeholder/BigPipeStrategy.php
BlockFormInBlockTest.php in core/modules/block/tests/src/Functional/BlockFormInBlockTest.php
BookAdminEditForm.php in core/modules/book/src/Form/BookAdminEditForm.php
bootstrap.inc in core/includes/bootstrap.inc: Functions that need to be loaded on every Drupal request.
CacheCollector.php in core/lib/Drupal/Core/Cache/CacheCollector.php
CKEditor5ImageController.php in core/modules/ckeditor5/src/Controller/CKEditor5ImageController.php
ConfigCRUDTest.php in core/tests/Drupal/KernelTests/Core/Config/ConfigCRUDTest.php
ConfigInstaller.php in core/lib/Drupal/Core/Config/ConfigInstaller.php
ConfigInstallProfileOverrideTest.php in core/modules/config/tests/src/Functional/ConfigInstallProfileOverrideTest.php
ConfigSchemaChecker.php in core/lib/Drupal/Core/Config/Development/ConfigSchemaChecker.php
ContainerTest.php in core/tests/Drupal/Tests/Component/DependencyInjection/ContainerTest.php: Contains \Drupal\Tests\Component\DependencyInjection\ContainerTest.
ContextualController.php in core/modules/contextual/src/ContextualController.php
ContextualDynamicContextTest.php in core/modules/contextual/tests/src/Functional/ContextualDynamicContextTest.php
ContextualLinksPlaceholder.php in core/modules/contextual/src/Element/ContextualLinksPlaceholder.php
CryptTest.php in core/tests/Drupal/Tests/Component/Utility/CryptTest.php
CsrfTokenGenerator.php in core/lib/Drupal/Core/Access/CsrfTokenGenerator.php
CsrfTokenGeneratorTest.php in core/tests/Drupal/Tests/Core/Access/CsrfTokenGeneratorTest.php
DatabaseBackend.php in core/lib/Drupal/Core/Cache/DatabaseBackend.php
DatabaseLockBackend.php in core/lib/Drupal/Core/Lock/DatabaseLockBackend.php
DisplayBlockTest.php in core/modules/block/tests/src/Functional/Views/DisplayBlockTest.php
EntityAutocomplete.php in core/lib/Drupal/Core/Entity/Element/EntityAutocomplete.php
EntityAutocompleteController.php in core/modules/system/src/Controller/EntityAutocompleteController.php
EntityAutocompleteTest.php in core/tests/Drupal/KernelTests/Core/Entity/EntityAutocompleteTest.php
EntityViewBuilder.php in core/lib/Drupal/Core/Entity/EntityViewBuilder.php
FileUploadResource.php in core/modules/file/src/Plugin/rest/resource/FileUploadResource.php
FilterProcessResult.php in core/modules/filter/src/FilterProcessResult.php
FormBuilder.php in core/lib/Drupal/Core/Form/FormBuilder.php
FormCache.php in core/lib/Drupal/Core/Form/FormCache.php
IFrameUrlHelper.php in core/modules/media/src/IFrameUrlHelper.php
ImageStyle.php in core/modules/image/src/Entity/ImageStyle.php
ImageStyleDownloadController.php in core/modules/image/src/Controller/ImageStyleDownloadController.php
ImageStyleTest.php in core/modules/image/tests/src/Unit/ImageStyleTest.php
ImageUploadAccessTest.php in core/modules/ckeditor5/tests/src/Functional/ImageUploadAccessTest.php
InstallCommand.php in core/lib/Drupal/Core/Command/InstallCommand.php
InstallerConfigDirectorySetNoDirectoryErrorTest.php in core/tests/Drupal/FunctionalTests/Installer/InstallerConfigDirectorySetNoDirectoryErrorTest.php
InstallerConfigDirectorySetNoDirectoryTest.php in core/tests/Drupal/FunctionalTests/Installer/InstallerConfigDirectorySetNoDirectoryTest.php
JsonApiDocumentTopLevelNormalizer.php in core/modules/jsonapi/src/Normalizer/JsonApiDocumentTopLevelNormalizer.php
LinkCollectionNormalizer.php in core/modules/jsonapi/src/Normalizer/LinkCollectionNormalizer.php
locale.module in core/modules/locale/locale.module: Enables the translation of the user interface to languages other than English.
ManagedFile.php in core/modules/file/src/Element/ManagedFile.php
MediaLibraryState.php in core/modules/media_library/src/MediaLibraryState.php
MetadataBag.php in core/lib/Drupal/Core/Session/MetadataBag.php
MTimeProtectedFastFileStorage.php in core/lib/Drupal/Component/PhpStorage/MTimeProtectedFastFileStorage.php
MTimeProtectedFileStorageBase.php in core/tests/Drupal/Tests/Component/PhpStorage/MTimeProtectedFileStorageBase.php
OEmbed.php in core/modules/media/src/Plugin/media/Source/OEmbed.php
OEmbedIframeController.php in core/modules/media/src/Controller/OEmbedIframeController.php
OEmbedSourceTest.php in core/modules/media/tests/src/Kernel/OEmbedSourceTest.php
OptimizedPhpArrayDumper.php in core/lib/Drupal/Component/DependencyInjection/Dumper/OptimizedPhpArrayDumper.php
OptimizedPhpArrayDumperTest.php in core/tests/Drupal/Tests/Component/DependencyInjection/Dumper/OptimizedPhpArrayDumperTest.php: Contains \Drupal\Tests\Component\DependencyInjection\Dumper\OptimizedPhpArrayDumperTest.
PermissionsHashGeneratorTest.php in core/tests/Drupal/Tests/Core/Session/PermissionsHashGeneratorTest.php
PhpBackend.php in core/lib/Drupal/Core/Cache/PhpBackend.php
PlaceholderGenerator.php in core/lib/Drupal/Core/Render/PlaceholderGenerator.php
PrivateKey.php in core/lib/Drupal/Core/PrivateKey.php
PrivateKeyTest.php in core/tests/Drupal/Tests/Core/PrivateKeyTest.php
PrivateTempStore.php in core/lib/Drupal/Core/TempStore/PrivateTempStore.php
rebuild.php in core/rebuild.php: Rebuilds all Drupal caches even when Drupal itself does not work.
RendererPlaceholdersTest.php in core/tests/Drupal/Tests/Core/Render/RendererPlaceholdersTest.php: Contains \Drupal\Tests\Core\Render\RendererPlaceholdersTest.
ResourceResponseTestTrait.php in core/modules/jsonapi/tests/src/Functional/ResourceResponseTestTrait.php
RouteProcessorCsrf.php in core/lib/Drupal/Core/Access/RouteProcessorCsrf.php
RouteProcessorCsrfTest.php in core/tests/Drupal/Tests/Core/Access/RouteProcessorCsrfTest.php
SelectionTest.php in core/modules/field/tests/src/Functional/EntityReference/Views/SelectionTest.php
SessionCacheContext.php in core/lib/Drupal/Core/Cache/Context/SessionCacheContext.php
SessionHandler.php in core/lib/Drupal/Core/Session/SessionHandler.php
SessionHttpsTest.php in core/modules/system/tests/src/Functional/Session/SessionHttpsTest.php
SessionManager.php in core/lib/Drupal/Core/Session/SessionManager.php
Settings.php in core/lib/Drupal/Core/Site/Settings.php
SharedTempStoreFactory.php in core/lib/Drupal/Core/TempStore/SharedTempStoreFactory.php
SiteSettingsForm.php in core/lib/Drupal/Core/Installer/Form/SiteSettingsForm.php
system.install in core/modules/system/system.install: Install, update and uninstall functions for the system module.
TemporaryJsonapiFileFieldUploader.php in core/modules/jsonapi/src/Controller/TemporaryJsonapiFileFieldUploader.php
theme.inc in core/includes/theme.inc: The theme system, which controls the output of Drupal.
toolbar.module in core/modules/toolbar/toolbar.module: Administration toolbar for quick access to top level administration items.
TwigEnvironmentTest.php in core/tests/Drupal/KernelTests/Core/Theme/TwigEnvironmentTest.php
TwigExtensionPass.php in core/lib/Drupal/Core/DependencyInjection/Compiler/TwigExtensionPass.php
TwigPhpStorageCache.php in core/lib/Drupal/Core/Template/TwigPhpStorageCache.php
UpdatePathTestBase.php in core/tests/Drupal/FunctionalTests/Update/UpdatePathTestBase.php
UpdateProcessor.php in core/modules/update/src/UpdateProcessor.php
user.module in core/modules/user/user.module: Enables the user registration and login system.
UserController.php in core/modules/user/src/Controller/UserController.php

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