Check SSL for domain if SHA-1 or SHA-256

README.md

Suggested usage

Put certificates list in certs.txt and run:

awk '{ print $3 }' certs.txt | while read d; do bash check_sha256.sh $d 2>/dev/null; done | grep OK

check_sha.sh

#!/bin/bash
echo -n $1:
if openssl s_client -connect $1:443 < /dev/null 2>/dev/null | openssl x509 -text -in /dev/stdin | grep -iq "sha256"; then echo " OK"; else echo " sha-1"; fi