php-simple-encryption/function.php at main · nathanlegroux/php-simple-encryption · GitHub

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<?php

function mdp($mdp, $action = 'illisible')
{


   $clef = 'BC74EGDD4GMPV047515BD7Y65911'; // you can define your unique encryption key, change it !


    $k2 = substr(hash('sha256', '8hgn5HJ5g25') , 0, 16);
    $hash = hash('sha256', $clef);

    if ($action == 'illisible')
    {
        $reponse = openssl_encrypt($mdp, 'AES-256-CBC', $hash, 0, $k2);

        $reponse = base64_encode($reponse);

    }

    if ($action == 'lisible')
    {
        $reponse = openssl_decrypt(base64_decode($mdp) , 'AES-256-CBC', $hash, 0, $k2);

    }

    return $reponse;
}

?>