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+.. _mozilla_projects_nss_reference_fc_digestkey:
+
+FC_DigestKey
+============
+
+`Name <#name>`__
+~~~~~~~~~~~~~~~~
+
+.. container::
+
+   FC_DigestKey - add the digest of a key to a multi-part digest operation.
+
+`Syntax <#syntax>`__
+~~~~~~~~~~~~~~~~~~~~
+
+.. container::
+
+   .. code::
+
+      CK_RV FC_DigestKey(
+        CK_SESSION_HANDLE hSession,
+        CK_OBJECT_HANDLE hKey
+      );
+
+`Parameters <#parameters>`__
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. container::
+
+   ``hSession``
+      [in] session handle.
+   ``hKey``
+      [in] handle of the key to be digested.
+
+`Description <#description>`__
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. container::
+
+   ``FC_DigestKey`` continues a multi-part digest operation by digesting the value of a secret key.
+   The digest for the entire message is returned by a call to
+   :ref:`mozilla_projects_nss_reference_fc_digestfinal`.
+
+   A user must log into the token (to assume the NSS User role) before calling ``FC_DigestKey``.
+
+.. _return_value:
+
+`Return value <#return_value>`__
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. container::
+
+`Examples <#examples>`__
+~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. container::
+
+.. _see_also:
+
+`See also <#see_also>`__
+~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. container::
+
+   -  :ref:`mozilla_projects_nss_reference_fc_digestinit`,
+      :ref:`mozilla_projects_nss_reference_fc_digestfinal`, `NSC_DigestKey </en-US/NSC_DigestKey>`__
+\ No newline at end of file