API_COMPAT</b> with a suitable version value, see <a href="../man7/openssl_user_macros.html">openssl_user_macros(7)</a>:</p>

<pre><code>int DH_bits(const DH *dh);

int DH_size(const DH *dh);

int DH_security_bits(const DH *dh);</code></pre>

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

<p>The functions described on this page are deprecated. Applications should instead use <a href="../man3/EVP_PKEY_get_bits.html">EVP_PKEY_get_bits(3)</a>, <a href="../man3/EVP_PKEY_get_security_bits.html">EVP_PKEY_get_security_bit