 and may be NULL for the default.</p>

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

<p>The algorithms for the OWF (one-way function) and for the MAC (message authentication code) may be any with a NID defined in <i>&lt;openssl/objects.h&gt;</i>. As specified by RFC 4210, these should include NID_hmac_sha1.</p>

<p>RFC 4210 recommends that the salt SHOULD be at least 8 bytes (64 bits) long, where 16 bytes is common.</p>

<p>The iteration count must be at least 100, as stipulated by RFC 4211, and is limited to at most 100000 t