DH_size(3)

DH_size(3)                   OpenSSL                   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               Last change: 2019-09-10                    1