itly specify a seed source used by &quot;SEED-SRC&quot; during configuration, using the --with-rand-seed option. For more information, see the INSTALL instructions. There are also operating systems where no seed source is available and automatic reseeding is disabled by default.</p>

<p>The following two sections describe the reseeding process of the primary DRBG, depending on whether automatic reseeding is available or not.</p>

<h2 id="Reseeding-the-primary-DRBG-with-automatic-seeding-enabled">Reseeding t