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dkrusky/get-letsencrypt-key-pin.sh

Last active December 20, 2018 20:57
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LetsEncrypt get sha256 keypin headers for HSTS/HPKP apache2
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get-letsencrypt-key-pin.sh
#!/bin/bash
HPKP=`openssl x509 -in /etc/letsencrypt/live/"$1"/cert.pem -pubkey -noout | openssl pkey -pubin -outform der | openssl dgst -sha256 -binary | openssl enc -base64`
echo "<IfModule mod_headers.c>"
echo " Header Always set Strict-Transport-Security \"max-age=31536000; includeSubdomains; preload\" env=HTTPS"
echo " Header always set Public-Key-Pins \"pin-sha256=\\\"$HPKP\\\"; max-age=5184000"
echo "</IfModule>"
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