HP OpenVMS Systems Documentation

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

DecryptDataInit

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NAME

CSSM_DecryptDataInit, CSP_DecryptDataInit — Initialize the staged decrypt function(CDSA)

SYNOPSIS

# include <cssm.h>
API:
CSSM_RETURN CSSMAPI CSSM_DecryptDataInit
(CSSM_CC_HANDLE CCHandle)
SPI:
CSSM_RETURN CSSMCSPI CSSM_CSP_DecryptDataInit
(CSSM_CSP_HANDLE CSPHandle,
CSSM_CC_HANDLE CCHandle,
const CSSM_CONTEXT *Context,
CSSM_PRIVILEGE Privilege)

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.

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.

Context (input) 

Pointer to CSSM_CONTEXT structure that describes the attributes with this context.

Privilege (input)
  

The export privilege to be applied during the cryptographic operation. This parameter is forwarded to the CSP after CSSM verifies the caller and service provider privilege set includes the specified PRIVILEGE.

DESCRIPTION

This function initializes the staged decrypt function.

The CSP can require that the cryptographic context include access credentials for authentication and authorization checks when using a private key or a secret key.

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_DecryptData, CSSM_DecryptDataUpdate, CSSM_DecryptDataFinal, CSSM_DecryptDataP, CSSM_DecryptDataInitP

Functions for the CSP SPI:

CSP_DecryptData, CSP_DecryptDataUpdate, CSP_DecryptDataFinal