DH_size(3)

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.

1.0.2t                            2019-09-10                        DH_size(3)