d);
const EC_METHOD *EC_GFp_nistp521_method(void);

const EC_METHOD *EC_GF2m_simple_method(void);

int EC_METHOD_get_field_type(const EC_METHOD *meth);</code></pre>

<h1 id="DESCRIPTION">DESCRIPTION</h1>

<p>All const EC_METHOD *EC_GF* functions were deprecated in OpenSSL 3.0, since EC_METHOD is no longer a public concept.</p>

<p>The Elliptic Curve library provides a number of different implementations through a single common interface. When constructing a curve using EC_GROUP_new (see <a href="../man3/EC_