HP OpenVMS Systems Documentation

Content starts here
HP Open Source Security for OpenVMS Volume 2: HP SSL for OpenVMS > CRYPTO Application Programming Interface (API) Reference

DH_size

  Table of Contents

  Index

NAME

DH_size — get Diffie-Hellman prime size

Synopsis

#include <openssl/dh.h> 
int DH_size(DH *dh);

DESCRIPTION

This function returns the Diffie-Hellman size in bytes. It can be used to determine how much memory must be allocated for the shared secret computed by DH_compute_key().

dh->p must not be NULL.

RETURN VALUE

The size in bytes.

SEE ALSO

dh(3), DH_generate_key(3)

HISTORY

DH_size() is available in all versions of SSLeay and OpenSSL.