HP OpenVMS Systems Documentation

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HP Open Source Security for OpenVMS Volume 1: Common Data Security Architecture > CDSA API Functions

VerifyMacFinal

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NAME

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.

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

Online Help

Functions for the CSSM API:

CSSM_VerifyMac, CSSM_VerifyMacInit, CSSM_VerifyMacUpdate

Functions for the CSP SPI:

CSP_VerifyMac, CSP_VerifyMacInit, CSP_VerifyMacUpdate