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CertificateExtension
===================================================================

.. currentmodule:: gi.repository.Gcr


.. versionadded:: 4.3.90




.. class:: CertificateExtension(**properties: ~typing.Any)
   :no-contents-entry:


Superclasses: :class:`~gi.repository.GObject.Object`


Subclasses: :class:`~gi.repository.Gcr.CertificateExtensionAuthorityInfoAccess`, :class:`~gi.repository.Gcr.CertificateExtensionAuthorityKeyIdentifier`, :class:`~gi.repository.Gcr.CertificateExtensionBasicConstraints`, :class:`~gi.repository.Gcr.CertificateExtensionCertificatePolicies`, :class:`~gi.repository.Gcr.CertificateExtensionCrlDistributionPoints`, :class:`~gi.repository.Gcr.CertificateExtensionExtendedKeyUsage`, :class:`~gi.repository.Gcr.CertificateExtensionKeyUsage`, :class:`~gi.repository.Gcr.CertificateExtensionSubjectAltName`, :class:`~gi.repository.Gcr.CertificateExtensionSubjectKeyIdentifier`




An object that describes a certificate extension.

By default, a certificate extension exposes 3 things: an OID,
whether it's marked as critical, and the raw value.

For known extensions, gcr tries to provide subclasses with the appropriate
API.

See also :obj:`~gi.repository.Certificate.list_extensions`\.




Methods
-------

.. rst-class:: interim-class

.. class:: CertificateExtension
   :no-index:


   .. method:: get_description() -> str | None

      Returns a user-displayable description of the OID that identifies the
      extension, if known.



      .. versionadded:: 4.3.90








   .. method:: get_oid() -> str

      Returns the OID that identifies the extension



      .. versionadded:: 4.3.90








   .. method:: get_value() -> ~gi.repository.GLib.Bytes

      Returns the raw value in bytes of the extension.



      .. versionadded:: 4.3.90








   .. method:: is_critical() -> bool

      Returns wether the certificate extension is marked critical.














Properties
----------

.. rst-class:: interim-class

.. class:: CertificateExtension
   :no-index:
   

   .. attribute:: props.critical
      :type: bool

      Whether this certificate is critical.






   .. attribute:: props.oid
      :type: str

      The Object Identifier (OID) that identifies the extension.






   .. attribute:: props.value
      :type: ~gi.repository.GLib.Bytes

      The raw value in bytes of the extension.














Fields
------

.. rst-class:: interim-class

.. class:: CertificateExtension
   :no-index:
   

   .. attribute:: parent_instance