</para>
</listitem>
</varlistentry>
+ <varlistentry>
+ <term><literal>master_passphrase_pbkdf2_rounds</literal></term>
+ <listitem>
+ <para>
+ Number of rounds (or iterations) to use in PBKDF2 function when
+ computing next master passphrase key derivation. Currently stored master
+ passphrase KD is not affected by changing this preference.
+ Current value is '50000'.
+ </para>
+ </listitem>
+ </varlistentry>
<varlistentry>
<term><literal>msgview_date_format</literal></term>
<listitem>