.. _mozilla_projects_nss_reference_fc_signupdate: FC_SignUpdate ============= `Name <#name>`__ ~~~~~~~~~~~~~~~~ .. container:: FC_SignUpdate - process the next block of a multi-part signing operation. `Syntax <#syntax>`__ ~~~~~~~~~~~~~~~~~~~~ .. container:: .. code:: eval CK_RV FC_SignUpdate( CK_SESSION_HANDLE hSession, CK_BYTE_PTR pPart, CK_ULONG usPartLen ); `Parameters <#parameters>`__ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .. container:: ``hSession`` [in] session handle. ``pPart`` [in] pointer to the next block of the data to be signed. ``usPartLen`` [in] length of data block in bytes. `Description <#description>`__ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .. container:: ``FC_SignUpdate`` starts or continues a multi-part signature operation. One or more blocks may be part of the signature. The signature for the entire message is returned by a call to :ref:`mozilla_projects_nss_reference_fc_signfinal`. A user must log into the token (to assume the NSS User role) before calling ``FC_SignUpdate``. .. _return_value: `Return value <#return_value>`__ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .. container:: `Examples <#examples>`__ ~~~~~~~~~~~~~~~~~~~~~~~~ .. container:: .. _see_also: `See also <#see_also>`__ ~~~~~~~~~~~~~~~~~~~~~~~~ .. container:: - :ref:`mozilla_projects_nss_reference_fc_signinit`, :ref:`mozilla_projects_nss_reference_fc_signfinal`, `NSC_SignUpdate `__