ding-bottom:21.329639889196674%><a data-skipendnotes=true href=/v1.17/blog/2022/cryptomb-privatekeyprovider/timer-expired.png title="Buffer timer expired"><img class=element-to-stretch src=/v1.17/blog/2022/cryptomb-privatekeyprovider/timer-expired.png alt="Buffer timer expired"></a></div><figcaption>Buffer timer expired</figcaption></figure><h2 id=envoy-cryptomb-private-key-provider-configuration>Envoy CryptoMB Private Key Provider configuration</h2><p>A regular TLS configuration only uses a private key. Wh