Full Disclosure mailing list archives

Re: keybase.io


From: Sam Stewart <sam () secureshredders com au>
Date: Mon, 23 Jun 2014 15:49:39 +1000

Also thanks to Rikairchy, I got an invite.

I opted not to upload my private key, and it's still a pretty useful
service without that.

Github, twitter & bitcoin address, signed by my priv key offline. The
"tracking" feature is probably the easiest implementation of web-of-trust
I've seen.


On 22 June 2014 06:37, Robert Dannhauer <r.dannhauer () googlemail com> wrote:

Thanks to Rikairchy I was able to take a look. They are saying:
"For safety, the Keybase servers never see your passphrase, even during
login, and therefore cannot decrypt your private key. "
The only question: Can this be trusted? Can we make sure they don't know
the passphrase?
Even though this looks like a nice service.

PS: Thanks Rikairchy :)


On Fri, Jun 20, 2014 at 10:22 PM, Rikairchy <blakcshadow () gmail com> wrote:

I have a few questions regarding this website.

For those of you unfamiliar with it, (to my knowledge) a GPG
keyserver, website, and client for easy upload. The client supports
signing, encrypting, and verifying messages as does the website. There
is also an option to "track" users, verifying who they are in a way.
In short, public tracking and awareness of identities.

There are also ways to verify github account, twitter account, and
website ownership on keybase.

There is an option to create as well as upload your private key. I'm
very new to this type of encryption, having only worked with
Truecrypt, SSH, and Bitloccker prior, but I was under the impression
that the private key was the last thing you should part with. Why
would a website focused on providing security allow users to upload
their private keys?

As mentioned, there are github, twitter, and website ownership
verification options, tied to your GPG public key. This does no more
than verifies that someone that has access to @username on twitter and
example.net (which are both listed on a user's keybase.io profile) are
controlled by the same person, but not the identity of said person,
correct?

I also have keybase.io invites if this interests anyone.

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-- 
Sam Stewart
Secure Shredders Pty Ltd

PO Box 325
Caulfield East
Vic 3145

p   0410 215 021
e:  sam () secureshredders com au
www.secureshredders.com.au

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