I don't like trying to create passphrases for random sites, because I have no way to easily test how much of the input is actually used. A lot of old or naive password systems ignore everything beyond the first N characters.
Posted Oct 14, 2011 7:20 UTC (Fri) by Cato (subscriber, #7643)
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It's still a lot better to try to use a 12-character random password with punctuation etc, even if only 6 or 8 characters are used, than to use a fixed password. If the site does have weaknesses, only that one password is compromised.
Enforcing password strength
Posted Oct 14, 2011 12:27 UTC (Fri) by robbe (guest, #16131)
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Why not try to login with your passphrase minus the last character? This will catch chopping-of at any length from 1 to N-1 characters. If you get in this way, complain to the admin and/or never use the service again.
Password chopping to anything less than 100 characters means one or more of the following:
* clear-text storage in a database column of fixed maximum width
* bad hash implementation
* poor understanding of security overall