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From: Juliusz Chroboczek <>
Subject: [Galene] Re: Command-line client for Galene file transfer
Date: Sun, 30 Apr 2023 14:35:10 +0200	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

> a native command-line client for file transfer.

To answer in public the question I got by private mail:

  - the transfer is peer-to-peer, the server is only used for NAT
    traversal and for exchanging cryptographic keys; hence, you're not
    putting any significant load on the server if you use this to backup
    the collection of movies that you legally acquired;

  - the transfer is encrypted end-to-end; however,

     (1) the server gets to learn the filenames and file sizes;
     (2) the server can trivially mount an MiTM attack.

    so you must use a trusted server if you wish to preserve a semblance
    of privacy.

I am fairly confident that the latter caveat also applies to Zoom's
"end-to-end" encryption.  Do not trust any software, especially if you
didn't write it yourself.

-- Juliusz

      reply	other threads:[~2023-04-30 12:35 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-04-30 11:34 [Galene] " Juliusz Chroboczek
2023-04-30 12:35 ` Juliusz Chroboczek [this message]

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