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webassembly

Reverse-Engineering Blackbox Exploration, DataChannel, webassembly, webrtc-nv, websocket, zoom

How Zoom’s web client avoids using WebRTC (DataChannel Update)

Editor’s Note: This post was originally published on October 23, 2018. Zoom recently started using WebRTC’s DataChannels so we have added some new details at the end in the DataChannels section. Zoom has a web client that allows a participant to join meetings without downloading their app. Chris Koehncke was excited to see how this […]

Philipp Hancke · September 8, 2019

Reverse-Engineering Technology DataChannel, wasm, Web Audio, webassembly

Finding the Warts in WebAssembly+WebRTC

A while ago we looked at how Zoom was avoiding WebRTC by using WebAssembly to ship their own audio and video codecs instead of using the ones built into the browser’s WebRTC.  I found an interesting branch in Google’s main (and sadly mostly abandoned) WebRTC sample application apprtc this past January. The branch is named […]

Philipp Hancke · April 11, 2019

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