Don't use a single key for authentication and especially not your application-key. That should be secret at any time (hashed or not).
Just generate a random key for the user and salt it with the users email address or the timestamp. Needs an additional entry in your User model of course.
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Don't use a single key for authentication and especially not your application-key. That should be secret at any time (hashed or not).
Just generate a random key for the user and salt it with the users email address or the timestamp. Needs an additional entry in your User model of course.