fies the info, fixed info, other info or shared info argument as an alphanumeric string (use if it contains printable characters only). The length must conform to any restrictions of the KDF algorithm.</p>

</dd>
<dt id="hexinfo:string"><b>hexinfo:</b><i>string</i></dt>
<dd>

<p>Alternative to the <b>info:</b> option where the info is specified in hexadecimal form (two hex digits per byte).</p>

</dd>
<dt id="digest:string"><b>digest:</b><i>string</i></dt>
<dd>

<p>This option is identical to the <b>-digest