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NAME
passcheck - passphrase strength evaluator
SYNOPSIS
passcheck [OPTION]... < PASSPHRASE_LIST
DESCRIPTION
Evaluates the strength of passphrases based.
All passphrases are given a non-negative integer rating.
The output is formatted so that it is suitable for
piping into 'sort -rn' to sort passphrases by strength.
300 is a good threshold for strong passphrases,
200 is a good threshold for acceptable passphrases.
OPTIONS
-r
--raw
Treat escape sequences as part of the passphrases.
If not used, ANSI escape sequences are ignored.
-w
--waste-ram
Loads the blacklist into RAM and creates a hash set
of it. It is unreasonable to do this unless you have
the process running indefinitely and (somewhat)
continuously feed passphrases. Note that this
requires a lot of RAM.
RATIONALE
Passphrase-strength meters used on the Web use horrid
heuristics and does not even blacklist the most common
passphrases. We need better passphrase-strength meters
too keep users safe.
SEE ALSO
correctpony(1), autopasswd(1), john(1), sort(1)
Full documentation available locally via: info '(passcheck)'
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