1=pod 2 3=head1 NAME 4 5DH_size - get Diffie-Hellman prime size 6 7=head1 SYNOPSIS 8 9 #include <openssl/dh.h> 10 11 int DH_size(DH *dh); 12 13=head1 DESCRIPTION 14 15This function returns the Diffie-Hellman size in bytes. It can be used 16to determine how much memory must be allocated for the shared secret 17computed by DH_compute_key(). 18 19B<dh-E<gt>p> must not be B<NULL>. 20 21=head1 RETURN VALUE 22 23The size in bytes. 24 25=head1 SEE ALSO 26 27L<dh(3)|dh(3)>, L<DH_generate_key(3)|DH_generate_key(3)> 28 29=head1 HISTORY 30 31DH_size() is available in all versions of SSLeay and OpenSSL. 32 33=cut 34