Here&#x27;s a discussion on that[0]. Depending on how you do it you either weaken it to the strength of the weakest algorithm or alternatively gain nothing but may introduce a weakness. It&#x27;s basically a bad idea.<p><a href="https:&#x2F;&#x2F;security.stackexchange.com&#x2F;questions&#x2F;93730&#x2F;why-not-mix-hashes&#x2F;93748" rel="nofollow">https:&#x2F;&#x2F;security.stackexchange.com&#x2F;questions&#x2F;93730&#x2F;why-not-m...</a> [0]