I’d like to call upon Let’s Encrypt to publish the necessary values for their users to pin against their intermediate and root keys with a minimum time commitment for each. Pinning against an intermediate and/or root key is much safer if done with assistance from the CA itself. Let’s Encrypt will h…

Official HPKP support from Let's Encrypt

pde December 7, 2016, 10:49pm 8

Here’s what we’ve said about this in the past: HPKP best practices

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