Comments id encryption problem

[nickworker]

Warning: mcrypt_encrypt(): Key of size 7 not supported by this algorithm. Only keys of sizes 16, 24 or 32 supported

https://github.com/EtonDigital/EDBlogBundle/blob/master/Util/EDEncryption.php#L50

[cvele]

Not only that, but function is deprecated as of PHP7.1.
Take a look at openssl_encrypt as a replacement.