in reply to Hashing passwords?

Hashing passwords alone is not secure. You need to "hash and salt". Explanation: Adding Salt to Hashing: A Better Way to Store Passwords

Wikipedia article

Tom Scott video on storing passwords. Not really up-to-date, but still relevant.

perl -e 'use Crypt::Digest::SHA256 qw[sha256_hex]; print substr(sha256_hex("the Answer To Life, The Universe And Everything"), 6, 2), "\n";'

In Section Seekers of Perl Wisdom