Here&#x27;s a more recent and super simple introduction to the concept: <a href="https:&#x2F;&#x2F;www.cryptologie.net&#x2F;article&#x2F;278&#x2F;homomorphic-encryption-part-1&#x2F;" rel="nofollow">https:&#x2F;&#x2F;www.cryptologie.net&#x2F;article&#x2F;278&#x2F;homomorphic-encrypti...</a>