You want client certs to authenticate them to the service? You should look at Vault[0].<p>0 : <a href="https:&#x2F;&#x2F;www.vaultproject.io&#x2F;docs&#x2F;secrets&#x2F;pki&#x2F;index.html" rel="nofollow">https:&#x2F;&#x2F;www.vaultproject.io&#x2F;docs&#x2F;secrets&#x2F;pki&#x2F;index.html</a>