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_CreateRandomGenContext

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NAME

CSSM_CSP_CreateRandomGenContext — Create a random number generation cryptographic context (CDSA)

SYNOPSIS

# include <cssm.h>
CSSM_RETURN CSSMAPI CSSM_CSP_CreateRandomGenContext
(CSSM_CSP_HANDLE CSPHandle,
CSSM_ALGORITHMS AlgorithmID,
const CSSM_CRYPTO_DATA *Seed,
uint32 Length,
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 AN error.

AlgorithmID (input)
  

The algorithm identification number for random number generation.

Seed (input/optional)
  

A seed used to generate THE random number. The caller can either pass a seed and seed length in bytes or pass a callback function. If NULL is passed, the Cryptographic Service Provider will use its default seed-handling mechanism.

Length (input) 

The length of the random number to be generated.

NewContextHandle (output)
  

Cryptographic context handle.

DESCRIPTION

This function creates a random number generation cryptographic context, given a handle of a CSP, an algorithm identification number, a seed, and the length of the random number in bytes. The cryptographic context handle is returned and can be used for the random number generation 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.

SEE ALSO

Books

Intel CDSA Application Developer's Guide

Online Help

Functions: CSSM_GenerateRandom, CSSM_GetContext, CSSM_SetContext, CSSM_DeleteContext, CSSM_GetContextAttribute, CSSM_UpdateContextAttributes