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Digital management post-life (lemmy.nowsci.com)

submitted 1 year ago by fmstrat@lemmy.nowsci.com to c/selfhosted@lemmy.world

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Hi all,

Working through some things like a Will (I am fine, just normal life planning), and debating on methods for digital management when I do die.

I run a lot of self-hosted services for family and friends, all on secured servers with ZFS and on/off site backups. Key ingredient is Vaultwarden for password management.

I'd like to put something in place so that encryption keys, some docs, and key passwords are released to a tech savvy friend. Anyone know of existing solutions for this?

Requirements of:

Not providing keys to a third-party beforehand
Not forgeable to open
If possible, no "weekly press a button"

I'm thinking some kind of key pair where my friend has the private key and the public key is provided to a family member, and when activated a timer starts where I could cancel the release.

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[–] hendrik@palaver.p3x.de 3 points 1 year ago* (last edited 1 year ago)

Nice. Thanks. Seems I've missed some Harry Potter themed stuff. That gave me an idea... Take (or write) an Arduino library (or SSS implemeted in plain C, instead of Go), flash it on a microcontroller like an ESP32 and you have some actual, physical horcroxes. I'd have to think about the form factor, and whether they need displays, or act as a USB thumb drive... But they could light up once you get like 3 of them in bluetooth proximity and reveal the secret. Other than that I think it needed to be part of some well-maintained password vault app. Or be a web service, so people don't need to worry to get some old computer code running.

Edit: Seems the Bitcoin people have had a thought at something like this: https://github.com/satoshilabs/slips/blob/master/slip-0039.md