NAME
CSSM_GenerateMacUpdate, CSP_GenerateMacUpdate — Continue the staged process of computing a message authentication
code (CDSA)
SYNOPSIS
# include <cssm.h>
API:
CSSM_RETURN CSSMAPI CSSM_GenerateMacUpdate
(CSSM_CC_HANDLE CCHandle,
const CSSM_DATA *DataBufs,
uint32 DataBufCount)
SPI:
CSSM_RETURN CSSMCSPI CSP_GenerateMacUpdate
(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 computing a
message authentication code over all data contained in the set of
input buffers. The authentication code will be returned as a result
of the final code generation step.
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_GenerateMac, CSSM_GenerateMacInit, CSSM_GenerateMacFinal
Functions for the CSP SPI:
CSP_GenerateMac, CSP_GenerateMacInit, CSP_GenerateMacFinal
