Siehe auch Konstanten für Passwort-Algorithmen für Informationen zu den von dein jeweiligen Algorithmen unterstützten Optionen.
If omitted, a random salt will be created and the default cost will be used.
The workaround, of course, is to make sure you don't ever pass NULL-bytes to password_hash.
There are a few like singlewithkids, it's a site for everything really, holidays etc and a dating section!
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* * Beware that DEFAULT may change over time, so you would want to prepare * By allowing your storage to expand past 60 characters (255 would be good) *//** * Note that the salt here is randomly generated.
* Never use a static salt or one that is not randomly generated.
Since calculation time is dependent on the capabilities of the server, using the same cost parameter on two different servers may result in vastly different execution times.
Here's a quick little function that will help you determine what cost parameter you should be using for your server to make sure you are within this range (note, I am providing a salt to eliminate any latency caused by creating a pseudorandom salt, but this should not be done when hashing passwords): Pay close attention to the maximum allowed length of the password parameter!
I am currently trying out a recommendation from a local mum.
It seems to have some genuine looking profiles on it, and a good selection from near me, so I'm giving it a go.
Don't try to outsmart these defaults by creating something less secure.
Anything that is based on rand(), mt_rand(), uniqid(), or variations of these is *not* good.
The script in the above example will help you choose a good cost value for your hardware.