/usr/share/php/Crypt/ is in php-crypt-gpg 1.4.0-1ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/php/Crypt/GPG/
/usr/share/php/Crypt/GPG.php
/usr/share/php/Crypt/GPG/ByteUtils.php
/usr/share/php/Crypt/GPG/DecryptStatusHandler.php
/usr/share/php/Crypt/GPG/Engine.php
/usr/share/php/Crypt/GPG/Exceptions.php
/usr/share/php/Crypt/GPG/Key.php
/usr/share/php/Crypt/GPG/KeyGenerator.php
/usr/share/php/Crypt/GPG/KeyGeneratorErrorHandler.php
/usr/share/php/Crypt/GPG/KeyGeneratorStatusHandler.php
/usr/share/php/Crypt/GPG/PinEntry.php
/usr/share/php/Crypt/GPG/ProcessControl.php
/usr/share/php/Crypt/GPG/Signature.php
/usr/share/php/Crypt/GPG/SignatureCreationInfo.php
/usr/share/php/Crypt/GPG/SubKey.php
/usr/share/php/Crypt/GPG/UserId.php
/usr/share/php/Crypt/GPG/VerifyStatusHandler.php
/usr/share/php/Crypt/GPGAbstract.php