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trobert2/get-thumbprint.sh

Created November 16, 2022 09:15
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Get ssl thumbprint of any domain
Raw
get-thumbprint.sh
#!/bin/bash
HOST=$(curl https://$1/.well-known/openid-configuration \
| jq -r '.jwks_uri | split("/")[2]')
echo | openssl s_client -servername $HOST -showcerts -connect $HOST:443 2> /dev/null \
| sed -n -e '/BEGIN/h' -e '/BEGIN/,/END/H' -e '$x' -e '$p' | tail +2 \
| openssl x509 -fingerprint -noout \
| sed -e "s/.*=//" -e "s/://g" \
| tr "ABCDEF" "abcdef"
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trobert2 commented Nov 16, 2022 

$ ./get-thumbprint.sh token.actions.githubusercontent.com
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100   628  100   628    0     0   2879      0 --:--:-- --:--:-- --:--:--  2948

6938fd4d98bab03faadb97b34396831e3780aea1

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