NAME

DigestDataInit, CSSM_DigestDataInit, CSP_DigestDataInit − Initialize the staged message digest (CDSA)

SYNOPSIS

# include <cdsa/cssm.h>

API:
CSSM_RETURN CSSMAPI CSSM_DigestDataInit
(CSSM_CC_HANDLE CCHandle)
SPI:
CSSM_RETURN CSSMCSPI CSP_DigestDataInit
(CSSM_CSP_HANDLE CSPHandle,
CSSM_CC_HANDLE CCHandle,
const CSSM_CONTEXT ∗Context)

LIBRARY

Common Security Services Manager library (libcssm.so)

API PARAMETERS

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

SPI PARAMETERS

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

Context (input)
Pointer to CSSM_CONTEXT structure that describes the attributes with this context.

DESCRIPTION

This function initializes the staged message digest 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_intro(3). 

None specific to this call. 

SEE ALSO

Books

Intel CDSA Application Developer’s Guide (see CDSA_intro(3))

Reference Pages

Functions for the CSSM API:

CSSM_DigestData(3), CSSM_DigestDataUpdate(3), CSSM_DigestDataClone(3), CSSM_DigestDataFinal(3)

Functions for the CSP SPI:

CSP_DigestData(3), CSP_DigestDataUpdate(3), CSP_DigestDataClone(3), CSP_DigestDataFinal(3)