@portone/server-sdk/dist/utils/timingSafeEqual.cjs

PortOne JavaScript SDK for server-side usage

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.timingSafeEqual = timingSafeEqual;
function timingSafeEqual(a, b) {
  if (a.byteLength !== b.byteLength) return false;
  const aDataView = a instanceof DataView ? a : ArrayBuffer.isView(a) ? new DataView(a.buffer, a.byteOffset, a.byteLength) : new DataView(a);
  const bDataView = b instanceof DataView ? b : ArrayBuffer.isView(b) ? new DataView(b.buffer, b.byteOffset, b.byteLength) : new DataView(b);
  const length = aDataView.byteLength;
  let out = 0;
  let i = -1;
  while (++i < length) {
    out |= aDataView.getUint8(i) ^ bDataView.getUint8(i);
  }
  return out === 0;
}