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StegCloak [0] is in the same ballpark and takes this idea a step further by encrypting the hidden payload via AES-256-CTR -- pretty neat little trick

[0] https://github.com/KuroLabs/stegcloak

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There's a Better Discord plugin that I think uses this or something similar, so you could send completely encrypted messages, that look like nothing to everyone else. You'd need to share a password secret for them to decode it though.

Could probably add OTR, too.

wow, thats neat.

Wanted to try on Cloudflare DNS TXT record. But Cloudflare is smart enough to decode when pasting in TXT field.

DNS only supports ASCII for record values. It has a hack to support unicode domain names using Punycode

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