1DH_NEW_BY_NID(3)                    OpenSSL                   DH_NEW_BY_NID(3)
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NAME

6       DH_new_by_nid, DH_get_nid - get or find DH named parameters
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SYNOPSIS

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

14       DH_new_by_nid() creates and returns a DH structure containing named
15       parameters nid. Currently nid must be NID_ffdhe2048, NID_ffdhe3072,
16       NID_ffdhe4096, NID_ffdhe6144, NID_ffdhe8192, NID_modp_1536,
17       NID_modp_2048, NID_modp_3072, NID_modp_4096, NID_modp_6144 or
18       NID_modp_8192.
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20       DH_get_nid() determines if the parameters contained in dh match any
21       named set. It returns the NID corresponding to the matching parameters
22       or NID_undef if there is no match.
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RETURN VALUES

25       DH_new_by_nid() returns a set of DH parameters or NULL if an error
26       occurred.
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28       DH_get_nid() returns the NID of the matching set of parameters or
29       NID_undef if there is no match.
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32       Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.
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34       Licensed under the OpenSSL license (the "License").  You may not use
35       this file except in compliance with the License.  You can obtain a copy
36       in the file LICENSE in the source distribution or at
37       <https://www.openssl.org/source/license.html>.
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411.1.1i                            2021-01-26                  DH_NEW_BY_NID(3)
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