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by londons_explore
2024 days ago
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Mega does client side e2e encryption (or at least they claim to), yet their web interface still shows thumbnails... I'd guess they implement it by having the client upload an encrypted version of both the original image and a thumbnail, and then decrypting the thumbnails on the client at display time. Javascript has reasonably performant crypto primitives now, so it's very doable to download data from a server, decrypt it with a client side key, and display it. If mega can do this, it's a shame other services don't. |
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