Key safety vs Backup : History of a bad day (key-restoration problem)

[Atom Smasher]

On Thu, 1 Nov 2007, David Shaw wrote:

> Does anyone see a good use case (aside from the cool-trick factor) to 
> using secret sharing in paperkey?
================

1) weak passphrase on the key
2) no passphrase on the key

#2 may be more useful than it seems, if a key is very rarely used and 
there's a risk that the passphrase will be lost/forgotten. this would 
allow a way to distribute the secret to trusted parties and/or hidden 
places without a passphrase on the key.

of course the real questions: is there a need for that? would anyone use 
it?


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