NAME

DH_size − Get Diffie-Hellman prime size

SYNOPSIS

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

DESCRIPTION

This DH_size() 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(). 

The dh->p must not be NULL. 

RETURN VALUE

The size in bytes. 

HISTORY

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

SEE ALSO

Functions: dh(3), DH_generate_key(3)