generate a base-64 encoded sha-256 password hash with openssl on the command line

genhash

# generate an SHA-256 password hash base64 encoded
echo -n "password" | openssl dgst -sha256 -binary | openssl base64

# better yet, use pepper (suffix the password with the pepper)
echo -n "passwordpepper" | openssl dgst -sha256 -binary | openssl base64

# better yet, use salt (prefix the password with the salt)
echo -n "saltpassword" | openssl dgst -sha256 -binary | openssl base64

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