security-and-privacy/CanvasBlocker
security-and-privacy/CanvasBlocker
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Added a sentence that "block everything" may break web sites.

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kkapsner 2018-07-09 23:06:43 +02:00
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.documentation/addon description/en/description.txt
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@ -2,7 +2,7 @@ This add-on allows users to prevent websites from using the Javascript canvas AP
The different block modes are:
<ul>
<li>block readout API: All websites not on the white list or black list can use the canvas API to display something on the page, but the readout API is not allowed to return values to the website.</li>
<li>block readout API: All websites not on the white list or black list can use the canvas API to display something on the page, but the readout API is not allowed to return values to the website. This may break websites like google-maps.</li>
<li>fake readout API: Canvas Blocker's default setting, and my favorite! All websites not on the white list or black list can use the canvas API to display something on the page, but the readout API is forced to return a new random value each time it is called.</li>
<li>fake at input: on display of text the drawn pixels get modified slightly. This makes the detection of the add-on harder but is less secure. On WebGL-canvas the behaviour is identical to "fake readout API".</li>
<li>ask for readout API permission: All websites not on the white list or black list can use the canvas API to display something on the page, but the user will be asked if the website should be allowed to use the readout API each time it is called.</li>