=pod=head1 NAMEDH_size - get Diffie-Hellman prime size=head1 SYNOPSIS #include <openssl/dh.h> int DH_size(DH *dh);=head1 DESCRIPTIONThis function returns the Diffie-Hellman size in bytes. It can be usedto determine how much memory must be allocated for the shared secretcomputed by DH_compute_key().B<dh-E<gt>p> must not be B<NULL>.=head1 RETURN VALUEThe size in bytes.=head1 SEE ALSOL<dh(3)|dh(3)>, L<DH_generate_key(3)|DH_generate_key(3)>=head1 HISTORYDH_size() is available in all versions of SSLeay and OpenSSL.=cut