nodejs中的加密

Question

我正在尝试将以下php代码移植到node.js上的javascript：

$mac = hash_hmac('SHA256', 'string', 'secret', true);
$coded = base64_encode($mac);

我尝试了以下内容：

var Crypto = require('crypto');
var code = Crypto.util.bytesToBase64(Crypto.HMAC(Crypto.SHA256, 'string', 'secret', { asBytes: true }));

我收到错误：

  

TypeError：Object #Object没有方法'HMAC'

我是node.js的新手，我做错了什么？

更新

  

var code = Crypto.createHmac（'SHA256'，secret_key）.update（to_encode）.digest（'base64'）;

Answer 1

您想要使用createHmac功能。

Crypto.createHmac("SHA256", 'secret').update('string').digest('base64')

Answer 2

该方法称为createHmac

> Crypto = require('crypto');
{ Credentials: [Function: Credentials],
  createCredentials: [Function],
  Hash: [Function],
  createHash: [Function],
  Hmac: [Function],
  createHmac: [Function],
  Cipher: [Function],
  createCipher: [Function],
  createCipheriv: [Function],
  Decipher: [Function],
  createDecipher: [Function],
  createDecipheriv: [Function],
  Sign: [Function],
  createSign: [Function],
  Verify: [Function],
  createVerify: [Function],
  DiffieHellman: [Function],
  createDiffieHellman: [Function],
  pbkdf2: [Function],
  randomBytes: [Function],
  pseudoRandomBytes: [Function],
  rng: [Function],
  prng: [Function] }