Re: Recommended setup for synced password manager

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lacsaP Patatetom,

> what do you think of https://github.com/lesspass/lesspass ?  the
> principle seems interesting : it consists in reconstructing the
> password from a piece of information (which can be synchronized
> easily/simply) and a secret (master password)...  regards.

i'm not an expert.

it's a very nice idea.  (probably a lot of us, in the old days, used to
have some sort of algorithmic way of contorting a URL to generate a
password; but, this is much more sophisticated, and certainly much more
secure.)

let's say the only vulnerability were for Alice to crack Bob's master
password.  presumably the difficulty of doing this is the same as
cracking Bob's GPG password (that one he uses to encrypt his password
store).

with lesspass, Alice can now go anywhere Bob has gone and log on.  not
so good.

with, e.g., password-store, Alice also needs to access Bob's encrypted
files.

(i.e., if Alice over Bob's shoulder as Bob types his password, in
lesspass, "she's in"; but not so, with password-store; she still has to
find out where he stores his password store, and gain access, which may
likely *not* be via Bob's master password.)

so, there's a bit of, maybe a lot of (should one be very careful with
one's encrypted password store), an advantage there to password-store.

the second thing that occurs to me is that the world of
multi-dimensional random number spaces can *very seldomly* have very bad
properties.  (there's a famous 1970'ish paper, something like "The rain
in Spain falls mainly on the planes"; for some then-current algorithm,
if you rotated the space appropriately and projected "down", you ended
up with a discrete set of lower-dimensional points, something like
that.)

GPG encryption can also suffer from this.  but, the level of scrutiny
has been very high.

again, i'm no expert.  just those two random :) thoughts.

still, it's a nice idea.  and, in practice, i would guess very secure.

cheers, Greg



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