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<?xml version="1.0" ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>DH_new_by_nid</title> <meta http-equiv="content-type" content="text/html; charset=utf-8" /> <link rev="made" href="mailto:root@hsxx.drive.ne.jp" /> </head> <body style="background-color: white"> <!-- INDEX BEGIN --> <div name="index"> <p><a name="__index__"></a></p> <ul> <li><a href="#name">NAME</a></li> <li><a href="#synopsis">SYNOPSIS</a></li> <li><a href="#description">DESCRIPTION</a></li> <li><a href="#return_values">RETURN VALUES</a></li> <li><a href="#copyright">COPYRIGHT</a></li> </ul> <hr name="index" /> </div> <!-- INDEX END --> <p> </p> <hr /> <h1><a name="name">NAME</a></h1> <p>DH_new_by_nid, DH_get_nid - get or find DH named parameters</p> <p> </p> <hr /> <h1><a name="synopsis">SYNOPSIS</a></h1> <pre> #include <openssl/dh.h> DH *DH_new_by_nid(int nid); int *DH_get_nid(const DH *dh);</pre> <p> </p> <hr /> <h1><a name="description">DESCRIPTION</a></h1> <p><code>DH_new_by_nid()</code> creates and returns a DH structure containing named parameters <strong>nid</strong>. Currently <strong>nid</strong> must be <strong>NID_ffdhe2048</strong>, <strong>NID_ffdhe3072</strong>, <strong>NID_ffdhe4096</strong>, <strong>NID_ffdhe6144</strong> or <strong>NID_ffdhe8192</strong>.</p> <p><code>DH_get_nid()</code> determines if the parameters contained in <strong>dh</strong> match any named set. It returns the NID corresponding to the matching parameters or <strong>NID_undef</strong> if there is no match.</p> <p> </p> <hr /> <h1><a name="return_values">RETURN VALUES</a></h1> <p><code>DH_new_by_nid()</code> returns a set of DH parameters or <strong>NULL</strong> if an error occurred.</p> <p><code>DH_get_nid()</code> returns the NID of the matching set of parameters or <strong>NID_undef</strong> if there is no match.</p> <p> </p> <hr /> <h1><a name="copyright">COPYRIGHT</a></h1> <p>Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.</p> <p>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 <a href="https://www.openssl.org/source/license.html">https://www.openssl.org/source/license.html</a>.</p> </body> </html>