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Michael Nitschinger's Blog: Session Encryption with Lithium

Note: This article was originally published at PHPDeveloper on 21 January 2012.
PHPDeveloper

Michael Nitschinger has a new post for the Lithium framework users out there - a quick tutorial about encrypting your session information with the new built in "Encrypt" strategy feature.

If you check out the master branch, you can use the new Encrypt strategy to encrypt your session data automatically. This means that you can read and write session data in cleartext and they will be encrypted on the fly before getting stored (in a cookie, for example).

You'll need the mcrypt extension installed for it to work correctly, but it makes storing the encrypted version of your data more or less automatic. Just set up your Session configuration to use it as a strategy and any time you call a "read" or "write" the hard work is handled for you. For those more interests in what's "under the hood" he goes on to talk about how the strategy works, what cipher it uses by default, how to change it and the default string to use in hashing.