// var CryptoJS = require("crypto-js");
// var key = CryptoJS.enc.Utf8.parse("8NONwyJtHesysWpM");
var crypto = require(‘crypto‘);
var key = new Buffer(‘7y05R9qwKaIKgIHh4vAw19X1zuknR21Y‘, ‘binary‘);
var iv = "";
var cryto_aes = module.exports = {};
//加密
cryto_aes.Encrypt = function(data){
iv = iv || "";
var clearEncoding = ‘utf8‘;
var cipherEncoding = ‘base64‘;
var cipherChunks = [];
var cipher = crypto.createCipheriv(‘aes-256-ecb‘, key, iv);
cipher.setAutoPadding(true);
cipherChunks.push(cipher.update(data, clearEncoding, cipherEncoding));
cipherChunks.push(cipher.final(cipherEncoding));
return cipherChunks.join(‘‘);
}
//解密
cryto_aes.Decrypt = function(data){
if (!data) {
return "";
}
iv = iv || "";
var clearEncoding = ‘utf8‘;
var cipherEncoding = ‘base64‘;
var cipherChunks = [];
var decipher = crypto.createDecipheriv(‘aes-256-ecb‘, key, iv);
decipher.setAutoPadding(true);
cipherChunks.push(decipher.update(data, cipherEncoding, clearEncoding));
cipherChunks.push(decipher.final(clearEncoding));
return cipherChunks.join(‘‘);
}
参考：http://www.cnblogs.com/vipstone/p/5514886.html
参照上述方法时注意 iv 和 key的设置 可能会报Invalid IV length 错 解决方法 就是 设置成我粘贴的代码中的格式。
nodejs与javascript中的aes加密
原文：http://www.cnblogs.com/blhw/p/7307890.html
