NAME
CSSM_VerifyMacUpdate, CSP_VerifyMacUpdate — Continue the staged process of verifying the message
authentication code (CDSA)
SYNOPSIS
# include <cssm.h>
API:
CSSM_RETURN CSSMAPI CSSM_VerifyMacUpdate
(CSSM_CC_HANDLE CCHandle,
const CSSM_DATA *DataBufs,
uint32 DataBufCount)
SPI:
CSSM_RETURN CSSMCSPI CSP_VerifyMacUpdate
(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. |
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 process of verifying the
message authentication code over all data in the set of input buffers.
Verification will be based on the authentication code presented
as input when finalizing the staged verification process.
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.
None specific to this call.
SEE ALSO
Books
Intel CDSA Application Developer's Guide
Online Help
Functions for the CSSM API:
CSSM_VerifyMac, CSSM_VerifyMacInit, CSSM_VerifyMacFinal
Functions for the CSP SPI:
CSP_VerifyMac, CSP_VerifyMacInit, CSP_VerifyMacFinal
