y must be specified for most KDF algorithms.</p>

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

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

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

<p>Specifies the password as an alphanumeric string (use if the password contains printable characters only). The password must be specified for PBKDF2 and scrypt.</p>

</dd>
<dt id="hexpass:string"><b>h