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paulryanrogers01/21/20252 repliesview on HN

I wonder if we'll see assets being padded to some common byte sizes to combat this.


Replies

greysonp01/21/2025

Hi there, Signal dev here. We do, in fact, pad attachments to a limited set of bucket sizes.

kijin01/21/2025

Nothing stops Cloudflare from inspecting the file contents, or using a hash to distinguish between identically-sized files.

The only reason we assume they don't do this is because it's a waste of resources for no good reason. But what if somebody gave them a good reason?

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