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HP OpenVMS Systems Documentation

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

CSSM_CSP_CreateDigestContext

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NAME

CSSM_CSP_CreateDigestContext — Create a digest cryptographic context (CDSA)

SYNOPSIS

# include <cssm.h>
CSSM_RETURN CSSMAPI CSSM_CSP_CreateDigestContext
(CSSM_CSP_HANDLE CSPHandle,
CSSM_ALGORITHMS AlgorithmID,
CSSM_CC_HANDLE *NewContextHandle)

LIBRARY

Common Security Services Manager library (cdsa$incssm300_shr.exe)

PARAMETERS

CSPHandle (input)
  

The handle that describes the add-in Cryptographic Service Provider module used to perform this function. If a NULL handle is specified, CSSM returns error.

AlgorithmID (input)
  

The algorithm identification number for message digests.

NewContextHandle (output)
  

Cryptographic context handle.

DESCRIPTION

This function creates a digest cryptographic context, given a handle of a CSP and an algorithm identification number. The cryptographic context handle is returned. The cryptographic context handle can be used to call digest cryptographic functions.

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.

SEE ALSO

Books

Intel CDSA Application Developer's Guide

Online Help

Functions: CSSM_DigestData, CSSM_DigestDataInit, CSSM_DigestDataUpdate, CSSM_DigestDataFinal, CSSM_GetContext, CSSM_SetContext, CSSM_DeleteContext, CSSM_GetContextAttribute, CSSM_UpdateContextAttributes