this post was submitted on 28 Jan 2025
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767
Signal will finally let you transfer your encrypted chat history to new linked devices (mas.to)
submitted 3 days ago by [email protected] to c/[email protected]
107 comments fedilink hide all child comments
 

Signal has announced new functionality in its upcoming beta releases, allowing users to transfer messages and media when linking their primary Signal device to a new desktop or iPad. This feature offers the choice to carry over chats and the last 45 days of media, or to start fresh with only new messages.

The transfer process is end-to-end encrypted, ensuring privacy. It involves creating a compressed, encrypted archive of your Signal data, which is then sent to the new device via Signal's servers. Despite handling the transfer, the servers cannot access the message content due to the encryption.

With the introduction of a cross-platform archive format, Signal is also exploring additional tools for message transfer to new devices or restoration in case of device loss or damage. Users can begin testing this feature soon, with a wider rollout expected in the coming weeks.

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[โ€“] [email protected] 2 points 2 days ago (1 children)

XMPP only does message encryption. Signal has spent tons of engineering time and effort to minimize the collection of metadata, not just encryption of message content.

[โ€“] [email protected] 1 points 2 days ago

Yeah, true! However, you also have to trust their server not to log what is available to them (including your whole social graph), while with XMPP you can SSH into your server and see that its retention is exactly as you expected. But yeah, the issue remains when interacting with other servers - tho even then there the data is more evenly distributed between different servers with different owners.