
</dl>

<h1 id="NOTES">NOTES</h1>

<p>A context for SSKDF can be obtained by calling:</p>

<pre><code>EVP_KDF *kdf = EVP_KDF_fetch(NULL, &quot;SSKDF&quot;, NULL);
EVP_KDF_CTX *kctx = EVP_KDF_CTX_new(kdf);</code></pre>

<p>The output length of an SSKDF is specified via the <i>keylen</i> parameter to the <a href="../man3/EVP_KDF_derive.html">EVP_KDF_derive(3)</a> function.</p>

<h1 id="EXAMPLES">EXAMPLES</h1>

<p>This example derives 10 bytes using H(x) = SHA-256, with the secret key &quot;secret&quot; and fi