encryption.html

{% if page.encrypted %}
	{% asset jsencrypt.js %}

	<script>
		var storedEncrypted = '';

		function decrypt() {
			var key = window.location.hash.substr(1);
			var text = storedEncrypted;

			var keyArray = sha256.update(key + _gj.salt).array();

			var iv = aesjs.utils.hex.toBytes(_gj.iv);

			var encryptedBytes = aesjs.utils.hex.toBytes(text);

			var aesCbc = new aesjs.ModeOfOperation.cbc(keyArray, iv);
			var decryptedBytes = aesCbc.decrypt(encryptedBytes);

			$('#encrypted').html(aesjs.utils.utf8.fromBytes(decryptedBytes));
		}

		$('document').ready(function () {
			storedEncrypted = $('#encrypted').text().trim();

			if (window.location.hash == '') {
				return;
			}

			decrypt();
		});

		$(window).bind('hashchange', function () {
			if (window.location.hash == '') {
				return;
			}

			decrypt();
		});
	</script>
{% endif %}