1.. _mozilla_projects_nss_reference_fc_signupdate: 2 3FC_SignUpdate 4============= 5 6`Name <#name>`__ 7~~~~~~~~~~~~~~~~ 8 9.. container:: 10 11 FC_SignUpdate - process the next block of a multi-part signing operation. 12 13`Syntax <#syntax>`__ 14~~~~~~~~~~~~~~~~~~~~ 15 16.. container:: 17 18 .. code:: eval 19 20 CK_RV FC_SignUpdate( 21 CK_SESSION_HANDLE hSession, 22 CK_BYTE_PTR pPart, 23 CK_ULONG usPartLen 24 ); 25 26`Parameters <#parameters>`__ 27~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 28 29.. container:: 30 31 ``hSession`` 32 [in] session handle. 33 ``pPart`` 34 [in] pointer to the next block of the data to be signed. 35 ``usPartLen`` 36 [in] length of data block in bytes. 37 38`Description <#description>`__ 39~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 40 41.. container:: 42 43 ``FC_SignUpdate`` starts or continues a multi-part signature operation. One or more blocks may be 44 part of the signature. The signature for the entire message is returned by a call to 45 :ref:`mozilla_projects_nss_reference_fc_signfinal`. 46 47 A user must log into the token (to assume the NSS User role) before calling ``FC_SignUpdate``. 48 49.. _return_value: 50 51`Return value <#return_value>`__ 52~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 53 54.. container:: 55 56`Examples <#examples>`__ 57~~~~~~~~~~~~~~~~~~~~~~~~ 58 59.. container:: 60 61.. _see_also: 62 63`See also <#see_also>`__ 64~~~~~~~~~~~~~~~~~~~~~~~~ 65 66.. container:: 67 68 - :ref:`mozilla_projects_nss_reference_fc_signinit`, 69 :ref:`mozilla_projects_nss_reference_fc_signfinal`, `NSC_SignUpdate </en-US/NSC_SignUpdate>`__