encrypt

const Crypto = require('crypto');

module.exports = {

    decryptedText : function (text) {
        // we compute the sha256 of the key
        var hash = Crypto.createHash("md5");
        hash.update('pptik2018', "utf8");
        var sha128key = hash.digest();
        var keyBuffer = new Buffer(sha128key);

        var cipherBuffer =  new Buffer(text, 'hex');
        // always use createDecipheriv when the key is passed as raw bytes
        var aesDec = Crypto.createDecipheriv("aes-128-ecb", keyBuffer , '');
        var output = aesDec.update(cipherBuffer);
        return output + aesDec.final();
    },
    encryptedText : function (text) {
        var cipher = Crypto.createCipher('aes-128-ecb','pptik2018');
        var crypted = cipher.update(text.toString(),'utf-8','hex');
        crypted += cipher.final('hex')
        return crypted;
    }
};