NAME
   SignDataUpdate,
   CSSM_SignDataUpdate,
   CSP_SignDataUpdate  - Continue the staged signing process input
                         buffer data (CDSA)

 SYNOPSIS
   # include <cssm.h>

    API:
        CSSM_RETURN CSSMAPI CSSM_SignDataUpdate
        (CSSM_CC_HANDLE CCHandle,
        const CSSM_DATA *DataBufs,
        uint32 DataBufCount)
    SPI:
        CSSM_RETURN CSSMCSPI CSP_SignDataUpdate
        (CSSM_CSP_HANDLE CSPHandle,
        CSSM_CC_HANDLE CCHandle,
        const CSSM_DATA *DataBufs,
        uint32 DataBufCount)

 LIBRARY
   Common Security Services Manager library (CDSA$INCSSM300_SHR.EXE)

 API PARAMETERS
   CCHandle (input)
           The handle that describes the context of this cryptographic
           operation used to link to the CSP-managed information.

   DataBufs (input)
           A pointer to a vector of CSSM_DATA structures that contain
           the data to be operated on.

   DataBufCount (input)
           The number of DataBufs to be signed.

 SPI PARAMETERS
   CSPHandle (input)
           The handle that describes the add-in cryptographic service
           provider module used to perform calls to CSSM for the
           memory functions managed by CSSM.

 DESCRIPTION
   This function continues the staged signing process over all data
   contained in the set of input buffers. Signing is performed using
   the private key specified in the context.

 RETURN VALUE
   A CSSM_RETURN value indicating success or specifying a particular
   error condition. The value CSSM_OK indicates success. All other
   values represent an error condition.

 SEE ALSO
   Books

   Intel CDSA Application Developer's Guide (see CDSA)

   Other Help Topics

   Functions for the CSSM API:

       CSSM_SignData
       CSSM_SignDataInit
       CSSM_SignDataFinal

   Functions for the CSP SPI:

       CSP_SignData
       CSP_SignDataInit
       CSP_SignDataFinal