[Encriptar / desencriptar AES-256-CBC en kumbiaPHP] #Encrypt & #Decrypt #php

gistfile1.txt

// En archivo de configuración kumbiaPHP  default/app/config 
//
// crear la variable secret_iv bajo authentication, por ejemplo:
//
// [authentication]
// secret_key = "z?&vbX$4\N`}@vo=~)\?eBFyc&;J.Nx-58/dU8\)"
// copy/paste este código para un controlador de acceso global
//
    const ENCRYPT_METHOD = 'AES-256-CBC';
    const SECRET_IV      = 'MAPt=&L3>*m@=K;UyU`2fGcT\e[#{LiUha@_/yF%';
    const SHA256         = 'sha256';
public static function stringEncode($string)
    {

        $encrypt_method = self::ENCRYPT_METHOD;
        $secret_iv      = self::SECRET_IV;
        $secret_key     = config::get("config.authentication.secret_key");


        // hash
        $key    = hash(self::SHA256, $secret_key);

        // iv - encrypt method AES-256-CBC expects 16 bytes - else you will get a warning
        $iv     = substr(hash(self::SHA256, $secret_iv), 0, 16);
        $output = openssl_encrypt($string, $encrypt_method, $key, 0, $iv);

        return  base64_encode($output);
    }

    public static function stringDecode($string)
    {

        $encrypt_method = self::ENCRYPT_METHOD;
        $secret_iv      = self::SECRET_IV;
        $secret_key     = config::get("config.authentication.secret_key");


        // hash
        $key            = hash(self::SHA256, $secret_key);

        // iv - encrypt method AES-256-CBC expects 16 bytes - else you will get a warning
        $iv             = substr(hash(self::SHA256, $secret_iv), 0, 16);

        return openssl_decrypt(base64_decode($string), $encrypt_method, $key, 0, $iv);

    }