Some technical information about the Polyring widget

As those following the news about the Polyring may have read on xyquadrat, our widget can now be styled with themes. For those interested about the inner workings I will provide some technical information here.

The component make heavy use of css variables alongside the attribute theme, which can be set on the component. Let’s walk through the needed setup, which consists of both javascript code and css descriptions.

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Using steganography to send messages hidden in an image

There are multiple ways to send a secret message. The best known and usually used, especially over the internet, is by encrypting the message and later decrypting it. But it’s not the only possibilty. Steganography is the process of hiding information within another carrier medium, fooling everyone else into thinking that the carrier is the only message. The basic principle ist simple: Add a start and end tag to our message.

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