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_CreateMacContext

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NAME

CSSM_CSP_CreateMacContext — Create a message authentication code cryptographic context (CDSA)

SYNOPSIS

# include <cssm.h>
CSSM_RETURN CSSMAPI CSSM_CSP_CreateMacContext
(CSSM_CSP_HANDLE CSPHandle,
CSSM_ALGORITHMS AlgorithmID,
const CSSM_KEY *Key,
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 the MAC algorithm.

Key (input) 

The key used to generate a message authentication code. Caller passes a pointer to a CSSM_KEY structure containing the key.

NewContextHandle (output)
  

Cryptographic context handle.

DESCRIPTION

This function creates a message authentication code cryptographic context, given a handle of a CSP, algorithm identification number, and a key. The cryptographic context handle is returned. The cryptographic context handle can be used to call message authentication code 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_GenerateMac, CSSM_GenerateMacInit, CSSM_GenerateMacUpdate, CSSM_GenerateMacFinal, CSSM_VerifyMac, CSSM_VerifyMacInit, CSSM_VerifyMacUpdate, CSSM_VerifyMacFinal, CSSM_GetContext, CSSM_SetContext, CSSM_DeleteContext, CSSM_GetContextAttribute, CSSM_UpdateContextAttributes