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Comment by mr_mitm | Hacker News Reader

Somehow they must transfer the chat history from their servers to the user. Either it's plain text, or encrypted and they either use the keys to decrypt or send the keys to the user along with the encrypted content. In all cases they can simply access the contents themselves.

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I think this statement requires a stronger argument, since even if they could have access to the data in theory there are concrete implementations where it could be extremely unfeasible.

For example, since we are in the realm of speculations, I propose the following alternative to the plaintext or accessible decryption keys: the decryption could happen inside a nitro enclave making it essentially impossible to access the data without changing the application code.

I'm not saying that this is what happens, just that I don't think that one can so easily deduce that "they can access the data" just from the fact that "they send you chat history to you".

The protocol is fully documented. You are free to read it for yourself without resorting to guessing. [1]

Messages are not stored in plaintext. The claim they are stored in plaintext is false.

One can have cogent arguments about one's preference for E2EE or not but the repeated claim here and elsewhere that messages are stored in plaintext is simply hearsay.

[1] https://core.telegram.org/mtproto/AJiEAwIYFoAsBGJBjZwYoQIwFM...

I didn't make that claim. I said it's either this or that. That's a different claim.

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