One-liner password leak check + k-anonymity method (w/out exposing the password on request)

leakcheck_kanonymity.txt

## One-liner password leak check + k-anonymity method (w/out exposing the password on request)
# Compute the SHA1, Grab 1st 5 chars of the hash, check by range on huge haveibeenpwnd DB!
# original source: https://news.ycombinator.com/item?id=16432344

VARPWD='test123'; HASH=`echo -n $VARPWD | sha1sum`; curl --silent https://api.pwnedpasswords.com/range/`cut -b 1-5 <(echo $HASH)` --stderr - | grep -i `cut -b 6- <(echo $HASH) | cut -d ' ' -f 1`