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+.. _mozilla_projects_nss_reference_fc_signinit:
+
+FC_SignInit
+===========
+
+`Name <#name>`__
+~~~~~~~~~~~~~~~~
+
+.. container::
+
+   FC_SignInit - initialize a signing operation.
+
+`Syntax <#syntax>`__
+~~~~~~~~~~~~~~~~~~~~
+
+.. container::
+
+   .. code::
+
+      CK_RV FC_SignInit(
+        CK_SESSION_HANDLE hSession,
+        CK_MECHANISM_PTR pMechanism,
+        CK_OBJECT_HANDLE hKey
+      );
+
+`Parameters <#parameters>`__
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. container::
+
+   ``hSession``
+      [in] session handle.
+   ``pMechanism``
+      [in] mechanism to be used for the subsequent signing operation.
+   ``hKey``
+      [in] handle of the key to be used .
+
+`Description <#description>`__
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. container::
+
+   ``FC_SignInit`` initializes a signature operation.
+
+   A user must log into the token (to assume the NSS User role) before calling ``FC_SignInit``.
+
+.. _return_value:
+
+`Return value <#return_value>`__
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. container::
+
+`Examples <#examples>`__
+~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. container::
+
+.. _see_also:
+
+`See also <#see_also>`__
+~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. container::
+
+   -  `NSC_SignInit </en-US/NSC_SignInit>`__ :ref:`mozilla_projects_nss_reference_fc_sign`
+      :ref:`mozilla_projects_nss_reference_fc_signupdate`
+      :ref:`mozilla_projects_nss_reference_fc_signfinal`
+\ No newline at end of file