alid values include <b>aes128</b>, <b>aes256</b> and <b>des3</b>. If this option isn&#39;t specified then <b>aes256</b> is used.</p>

</dd>
<dt id="v2prf-alg"><b>-v2prf</b> <i>alg</i></dt>
<dd>

<p>This option sets the PRF algorithm to use with PKCS#5 v2.0. A typical value value would be <b>hmacWithSHA256</b>. If this option isn&#39;t set then the default for the cipher is used or <b>hmacWithSHA256</b> if there is no default.</p>

<p>Some implementations may not support custom PRF algorithms and may require