dom/u2f/tests/browser/head.js


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/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
 * You can obtain one at http://mozilla.org/MPL/2.0/. */

"use strict";

function bytesToBase64(u8a) {
  let CHUNK_SZ = 0x8000;
  let c = [];
  for (let i = 0; i < u8a.length; i += CHUNK_SZ) {
    c.push(String.fromCharCode.apply(null, u8a.subarray(i, i + CHUNK_SZ)));
  }
  return window.btoa(c.join(""));
}

function bytesToBase64UrlSafe(buf) {
  return bytesToBase64(buf)
    .replace(/\+/g, "-")
    .replace(/\//g, "_")
    .replace(/=/g, "");
}