How to use the createSecretKey function from crypto

Find comprehensive JavaScript crypto.createSecretKey code examples handpicked from public code repositorys.

crypto.createSecretKey is a method in the Node.js Crypto module that generates a secure, cryptographically-random secret key to use in encryption and decryption operations.

webhook-signature-jwt.js

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 * @param {string} secret the MessageBird signature key
 * @param {VerifyOptions} opts validation options
 * @returns {*} an express handler to be used as middleware
 */
function ExpressMiddlewareVerify(secret, opts = DefaultVerifyOptions) {
  const sk = createSecretKey(Buffer.from(secret, 'utf8'));

  return function (req, res, next) {
    Promise.resolve()
      .then(() => {

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+ 3 other calls in file

verify.js

GitHub: ptan159/pinterest

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if (secretOrPublicKey != null && !(secretOrPublicKey instanceof KeyObject)) {
  try {
    secretOrPublicKey = createPublicKey(secretOrPublicKey);
  } catch (_) {
    try {
      secretOrPublicKey = createSecretKey(typeof secretOrPublicKey === 'string' ? Buffer.from(secretOrPublicKey) : secretOrPublicKey);
    } catch (_) {
      return done(new JsonWebTokenError('secretOrPublicKey is not valid key material'))
    }
  }

+ 2 other calls in file

How does crypto.createSecretKey work?

crypto.createSecretKey is a method in the Node.js Crypto module that generates a secure, cryptographically-random secret key to use in encryption and decryption operations. When you call crypto.createSecretKey(length), the function generates a random secret key with the specified length (in bytes), using a cryptographically-secure random number generator. The resulting secret key is a Buffer object containing the random bytes. You can then use the secret key in encryption and decryption operations using other methods in the Crypto module, such as crypto.createCipheriv and crypto.createDecipheriv. In essence, crypto.createSecretKey provides a way to generate a secure, random secret key that can be used to encrypt and decrypt data, ensuring that the data remains confidential and tamper-proof.

sign.js

GitHub: ptan159/pinterest

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if (secretOrPrivateKey != null && !(secretOrPrivateKey instanceof KeyObject)) {
  try {
    secretOrPrivateKey = createPrivateKey(secretOrPrivateKey)
  } catch (_) {
    try {
      secretOrPrivateKey = createSecretKey(typeof secretOrPrivateKey === 'string' ? Buffer.from(secretOrPrivateKey) : secretOrPrivateKey)
    } catch (_) {
      return failure(new Error('secretOrPrivateKey is not valid key material'));
    }
  }

+ 2 other calls in file

test-crypto-key-objects-messageport.js

GitHub: vladimir-andreevich/node.js-14-windows-7

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// Don't use isMainThread to allow running this test inside a worker.
process.env.HAS_STARTED_WORKER = 1;


// The main thread generates keys and passes them to worker threads.
const secretKey = createSecretKey(randomBytes(32));
const { publicKey, privateKey } = generateKeyPairSync('rsa', {
  modulusLength: 1024
});

+ 2 other calls in file

Ai Example

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const crypto = require("crypto");

const length = 32; // length of the secret key in bytes

const secretKey = crypto.createSecretKey(length);

console.log(secretKey);

In this example, we first import the crypto module. We then specify the desired length of the secret key in bytes: 32. Next, we call crypto.createSecretKey(length) to generate a cryptographically-secure random secret key of the specified length. The resulting secret key is a Buffer object containing the random bytes. We log this object to the console. Note that the Buffer object returned by crypto.createSecretKey can be used directly in other Crypto methods, such as crypto.createCipheriv and crypto.createDecipheriv, to encrypt and decrypt data using the secret key.

test-crypto-worker-thread.js

GitHub: vladimir-andreevich/node.js-14-windows-7

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const { createSecretKey } = require('crypto');


const { Worker, isMainThread, workerData } = require('worker_threads');


if (isMainThread) {
  const key = createSecretKey(Buffer.from('hello'));
  new Worker(__filename, { workerData: key });
} else {
  console.log(workerData);
}

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