VerifyMacFinal

NAME
  VerifyMacFinal,
  CSSM_VerifyMacFinal,
  CSP_VerifyMacFinal  - Finalize the staged message authentication
                        code (CDSA)

SYNOPSIS
  # include <cssm.h>

   API:
       CSSM_RETURN CSSMAPI CSSM_VerifyMacFinal
       (CSSM_CC_HANDLE CCHandle,
       const CSSM_DATA *Mac)
   SPI:
       CSSM_RETURN CSSMCSPI CSP_VerifyMacFinal
       (CSSM_CSP_HANDLE CSPHandle,
       CSSM_CC_HANDLE CCHandle,
       const CSSM_DATA *Mac)

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.

  Mac (input)
          A pointer to the CSSM_DATA structure containing the MAC to
          verify.

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 finalizes the staged message authentication code
  verification function.

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.

ERRORS
  Errors are described in the CDSA technical standard.  See CDSA.

       CSSMERR_CSP_INPUT_LENGTH_ERROR
       CSSMERR_CSP_VERIFY_FAILED
       CSSMERR_CSP_INVALID_SIGNATURE

COMMENTS FOR SPI
  The output is returned to the caller as specified in Buffer Management
  for Cryptographic Services.

SEE ALSO
  Books

  Intel CDSA Application Developer's Guide (see CDSA)

  Other Help Topics

  Functions for the CSSM API:

      CSSM_VerifyMac
      CSSM_VerifyMacInit
      CSSM_VerifyMacUpdate

  Functions for the CSP SPI:

      CSP_VerifyMac
      CSP_VerifyMacInit
      CSP_VerifyMacUpdate