Bash One-Liner to Check Your Password(s) via pwnedpasswords.com’s API Using the k-Anonymity Method

pwned-passwords.sh

echo "Enter your password:"; read -s pass_str; sha1=$(echo -n $pass_str | tr -d '\n' | openssl sha1); echo "Hash prefix: ${sha1:0:5}"; echo "Hash suffix: ${sha1:5:35}"; result=$(curl https://api.pwnedpasswords.com/range/${sha1:0:5} 2>/dev/null | grep $(echo ${sha1:5:35} | tr '[:lower:]' '[:upper:]')); printf "Your password appeared %d times in the database.\\n" "${result#*:}" 2>/dev/null

Thanks to https://medium.com/@monliclican/bash-one-liner-to-check-your-password-s-via-pwnedpasswords-coms-api-using-the-k-anonymity-method-a5807a9a8056

Updated for Mac support