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NAME

       DH_new_by_nid, DH_get_nid - get or find DH named parameters

SYNOPSIS

        #include <openssl/dh.h>
        DH *DH_new_by_nid(int nid);
        int *DH_get_nid(const DH *dh);

DESCRIPTION

       DH_new_by_nid() creates and returns a DH structure containing named parameters nid.
       Currently nid must be NID_ffdhe2048, NID_ffdhe3072, NID_ffdhe4096, NID_ffdhe6144 or
       NID_ffdhe8192.

       DH_get_nid() determines if the parameters contained in dh match any named set. It returns
       the NID corresponding to the matching parameters or NID_undef if there is no match.

RETURN VALUES

       DH_new_by_nid() returns a set of DH parameters or NULL if an error occurred.

       DH_get_nid() returns the NID of the matching set of parameters or NID_undef if there is no
       match.

COPYRIGHT

       Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.

       Licensed under the OpenSSL license (the "License").  You may not use this file except in
       compliance with the License.  You can obtain a copy in the file LICENSE in the source
       distribution or at <https://www.openssl.org/source/license.html>.