Function randomBytes

lib/internal/crypto/random.js:100–118

(size, callback)

}

function randomBytes(size, callback) {
  size = assertSize(size, 1, 0, Infinity);
  if (callback !== undefined) {
    validateFunction(callback, 'callback');
  }

  const buf = new FastBuffer(size);

  if (callback === undefined) {
    randomFillSync(TypedArrayPrototypeGetBuffer(buf), 0, size);
    return buf;
  }

  // Keep the callback as a regular function so this is propagated.
  randomFill(TypedArrayPrototypeGetBuffer(buf), 0, size, function(error) {
    if (error) return FunctionPrototypeCall(callback, this, error);
    FunctionPrototypeCall(callback, this, null, buf);
  });
}

function randomFillSync(buf, offset = 0, size) {
  if (!isAnyArrayBuffer(buf) && !isArrayBufferView(buf)) {