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jeremyfelt/gist:0cea938559dd28f87a44

Last active August 29, 2015 14:09
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Check signature algorithm on a server name's cert
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gistfile1.sh
# Use: check_cert example.com
function check_cert {
openssl s_client -servername $1 -connect $1:443 < /dev/null 2>/dev/null |\
openssl x509 -text -in /dev/stdin | grep -m 1 "Signature Algorithm" | sed -e 's/^[ \t]*//'
}
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