nodejs aes-256-cbc Decrypt pair2C#

Decrypt.js

//require cyrpto module
var crypto=require('crypto');

//key and iv should be same as the one in encrypt.php
var decipher=crypto.createDecipheriv('aes-256-cbc','12345678901234561234567890123456','1234567890123456');

//since we have already added padding while encrypting, we will set autopadding of node js to false.
decipher.setAutoPadding(false);

// copy the output of encrypt.php and paste it below
var cipherHexText256="lLQaaOH/C0YiHTpl2FsBag==";

var dec = decipher.update(cipherHexText256,'base64','utf8');

//decrypted data is stored in dec
dec += decipher.final('utf8');

console.log(dec);