compatibility.html

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  <title>browserPGP | Compatibility</title>
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        <div class="col-sm">
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        <div class="col-sm">
          <h1 class="display-4">Compatibility Check</h1>
          <a>browserPGP requires a modern web browser with the cutting edge support for WebCrypto (PRNG). This page will automatically check your browser to see if browserPGP will work.</a>
          <br><br>
          <div id="success"></div>
          <noscript><div class="alert alert-danger" role="alert">You don't have the requirements to use browserPGP on this device / in this web browser.</div><br></noscript>
          <ul class="list-group">
            <li class="list-group-item">
              <div id="jsCheck"><span class="badge badge-pill badge-danger">Unavailable.</span></div>
              <a target="_blank" href="https://developer.mozilla.org/en-US/docs/Web/JavaScript">javascript</a>
            </li>
            <li class="list-group-item">
              <div id="prngCheck"><span class="badge badge-pill badge-danger">Unavailable.</span></div>
              <a target="_blank" href="https://developer.mozilla.org/en-US/docs/Web/API/Crypto">prng (pseudo random number generator)</a>
            </li>
          </ul>
          <div id="worksCheck"></div>
        </div>
        <div class="col-sm">
        </div>
      </div>
    </div>
  </div>
</body>
<script>
document.getElementById("jsCheck").innerHTML = '<span class="badge badge-pill badge-success">Available!</span>';
function isGoodPrngAvailable(){return!("undefined"==typeof window||!window.crypto||!window.crypto.getRandomValues)||"undefined"!=typeof window&&"object"==typeof window.msCrypto&&"function"==typeof window.msCrypto.getRandomValues}
if (isGoodPrngAvailable()) {
  document.getElementById("prngCheck").innerHTML = '<span class="badge badge-pill badge-success">Available!</span>';
  document.getElementById('success').insertAdjacentHTML('beforeend', '<div class="alert alert-success" role="alert">You have all the requirements to use browserPGP on this device / in this web browser.</div><br>');
} else {
  document.getElementById('success').insertAdjacentHTML('beforeend', '<div class="alert alert-danger" role="alert">You don\'t have the requirements to use browserPGP on this device / in this web browser.</div><br>');
}
</script>
</html>