Re: Yubikeys are now supported

2010-10-25 Thread Simon Josefsson
Paul Wouters p...@xelerance.com writes: On Fri, 8 Oct 2010, Nathanael D. Noblet wrote: On 10/07/2010 10:58 PM, Paul Wouters wrote: One usage of yubikey I would like very much is as storage for the AES encryption key for disk encryption. I'd prefer the disk crypto key to not be on the disk

Re: Yubikeys are now supported

2010-10-25 Thread Simon Josefsson
Maxim Burgerhout ma...@wzzrd.com writes: Hi, I am the maintainer for ykpers and libyubikey for Fedora. It's great to see Fedora starting to use these nifty devices! If there is anything I can do to help out and make the use of Yubikey's in the Fedora project into a success, just holler.

Re: Yubikeys are now supported

2010-10-18 Thread Maxim Burgerhout
On Fri, Oct 8, 2010 at 16:57, Matthew Miller mat...@mattdm.org wrote: On Fri, Oct 08, 2010 at 11:47:43AM +0200, Maxim Burgerhout wrote: If there is anything I can do to help out and make the use of Yubikey's in the Fedora project into a success, just holler. It might Fixing the pam module to

Re: Yubikeys are now supported

2010-10-08 Thread Toshio Kuratomi
On Fri, Oct 08, 2010 at 12:07:34AM -0400, Matthew Miller wrote: On Thu, Oct 07, 2010 at 11:30:43PM -0400, Toshio Kuratomi wrote: The newer yubikey hardware has provision for two AES keys but I'm not sure how that works and whether it actually allows you to use separate keys with separate

Re: Yubikeys are now supported

2010-10-08 Thread Maxim Burgerhout
Hi, I am the maintainer for ykpers and libyubikey for Fedora. It's great to see Fedora starting to use these nifty devices! If there is anything I can do to help out and make the use of Yubikey's in the Fedora project into a success, just holler. It might be interesting to add a README.Fedora to

Re: Yubikeys are now supported

2010-10-08 Thread Mike McGrath
On Fri, 8 Oct 2010, Maxim Burgerhout wrote: Hi, I am the maintainer for ykpers and libyubikey for Fedora. It's great to see Fedora starting to use these nifty devices! If there is anything I can do to help out and make the use of Yubikey's in the Fedora project into a success, just holler.

Re: Yubikeys are now supported

2010-10-08 Thread Dennis Gilmore
On Friday, October 08, 2010 12:06:58 am Paul Wouters wrote: On Thu, 7 Oct 2010, Mike McGrath wrote: My understanding on this is, and I reserve the right to misunderstand this, is that once the AES key is on the yubikey, there is no way to get it off of there. That key is just used to

Re: Yubikeys are now supported

2010-10-08 Thread Paul Wouters
On Fri, 8 Oct 2010, Dennis Gilmore wrote: Even if you use your yubikey with yubicos servers. and auth against multiple different providers your AES key is never exposed to to any of the places that you auth to. That is correct if different service providers auth the OTP against yubicos

Re: Yubikeys are now supported

2010-10-08 Thread Matthew Miller
On Fri, Oct 08, 2010 at 11:47:43AM +0200, Maxim Burgerhout wrote: If there is anything I can do to help out and make the use of Yubikey's in the Fedora project into a success, just holler. It might Fixing the pam module to not crash might be good. :) Have you considerd packaging up the

Re: Yubikeys are now supported

2010-10-08 Thread Ricky Zhou
On 2010-10-08 10:57:16 AM, Matthew Miller wrote: On Fri, Oct 08, 2010 at 11:47:43AM +0200, Maxim Burgerhout wrote: If there is anything I can do to help out and make the use of Yubikey's in the Fedora project into a success, just holler. It might Fixing the pam module to not crash might be

Re: Yubikeys are now supported

2010-10-08 Thread Stephen John Smoogen
On Fri, Oct 8, 2010 at 08:48, Paul Wouters p...@xelerance.com wrote: On Fri, 8 Oct 2010, Dennis Gilmore wrote: It sounds like you do not fully understand how the yubikeys work. either that or i dont understand the attack you are describing? It all comes down to this being based on symmetric

Re: Yubikeys are now supported

2010-10-08 Thread Nathanael D. Noblet
On 10/07/2010 10:58 PM, Paul Wouters wrote: One usage of yubikey I would like very much is as storage for the AES encryption key for disk encryption. I'd prefer the disk crypto key to not be on the disk at all, protected by just a passphrase. It would be nice to have it on a yubikey instead.

Re: Yubikeys are now supported

2010-10-08 Thread Paul Wouters
On Fri, 8 Oct 2010, Nathanael D. Noblet wrote: On 10/07/2010 10:58 PM, Paul Wouters wrote: One usage of yubikey I would like very much is as storage for the AES encryption key for disk encryption. I'd prefer the disk crypto key to not be on the disk at all, protected by just a passphrase. It

Re: Yubikeys are now supported

2010-10-08 Thread Jesse Keating
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 10/8/10 2:48 PM, Paul Wouters wrote: On Fri, 8 Oct 2010, Nathanael D. Noblet wrote: On 10/07/2010 10:58 PM, Paul Wouters wrote: One usage of yubikey I would like very much is as storage for the AES encryption key for disk encryption. I'd

Re: Yubikeys are now supported

2010-10-08 Thread Paul Wouters
On Fri, 8 Oct 2010, Jesse Keating wrote: Note that yubikeys are not (yet) usable for this. You cannot request the AES key from it (AFAIK), only an OTP. And the OTP can also not be used to unlock an AES key on the harddisk because it is different for each activation. Can't you use one of

Yubikeys are now supported

2010-10-07 Thread Mike McGrath
The Fedora Infrastructure team is happy to announce support for the hardware key authentication device, the yubikey. Users will be able to use their own yubikeys to access some Fedora services, like fedorapeople.org or some web services. Why have we done this? The main purpose was to provide

Re: Yubikeys are now supported

2010-10-07 Thread Bruno Wolff III
On Thu, Oct 07, 2010 at 12:04:49 -0500, Mike McGrath mmcgr...@redhat.com wrote: We also decided to allow yubikeys as an authentication option for the larger community to some hosts and services like fedorapeople.org or https://admin.fedoraproject.org/community/. When asked for a password,

Re: Yubikeys are now supported

2010-10-07 Thread Mike McGrath
On Thu, 7 Oct 2010, Bruno Wolff III wrote: On Thu, Oct 07, 2010 at 12:04:49 -0500, Mike McGrath mmcgr...@redhat.com wrote: We also decided to allow yubikeys as an authentication option for the larger community to some hosts and services like fedorapeople.org or

Re: Yubikeys are now supported

2010-10-07 Thread Paul Wouters
On Thu, 7 Oct 2010, Mike McGrath wrote: We also decided to allow yubikeys as an authentication option for the larger community to some hosts and services like fedorapeople.org or https://admin.fedoraproject.org/community/. When asked for a password, just use your yubikey to generate a otp

Re: Yubikeys are now supported

2010-10-07 Thread Matthew Miller
On Thu, Oct 07, 2010 at 12:04:49PM -0500, Mike McGrath wrote: Implementation work continues to be discussed and put in please but please direct any questions or comments to #fedora-admin on irc.freenode.net or the Infrastructure mailing list - Hello, synchronicity! I was just looking at this

Re: Yubikeys are now supported

2010-10-07 Thread Camilo Mesias
I'm not a security expert but I understood that the usual way to use these keys was to have one server that the key authenticates with, and further sites would be accessible through openID or similar - so the authentication is always with one server. Using the same device with mutliple servers is

Re: Yubikeys are now supported

2010-10-07 Thread Mike McLean
On Thu, Oct 7, 2010 at 5:51 PM, Paul Wouters p...@xelerance.com wrote: I have one and I've played with it in fedora. There is however an important catch. The server and the yubikey share the same AES symmetric key. This means that if the yubikey is used for multiple sites by one user, that user

Re: Yubikeys are now supported

2010-10-07 Thread Garrett Holmstrom
On 10/7/2010 12:04, Mike McGrath wrote: http://fedoraproject.org/wiki/Infrastruture/Yubikey ^^ Typo alert! ;) -- devel mailing list devel@lists.fedoraproject.org https://admin.fedoraproject.org/mailman/listinfo/devel

Re: Yubikeys are now supported

2010-10-07 Thread Paul Wouters
On Thu, 7 Oct 2010, Mike McLean wrote: I guess in a way it is like using the same password, but people might not be thinking of that when they have a device on them that they use. Wow, that's a serious weakness. Are we sure about this?

Re: Yubikeys are now supported

2010-10-07 Thread Mike McGrath
On Thu, 7 Oct 2010, Paul Wouters wrote: On Thu, 7 Oct 2010, Mike McGrath wrote: We also decided to allow yubikeys as an authentication option for the larger community to some hosts and services like fedorapeople.org or https://admin.fedoraproject.org/community/. When asked for a

Re: Yubikeys are now supported

2010-10-07 Thread Ricky Zhou
On 2010-10-07 07:25:47 PM, Mike McLean wrote: On Thu, Oct 7, 2010 at 5:51 PM, Paul Wouters p...@xelerance.com wrote: I have one and I've played with it in fedora. There is however an important catch. The server and the yubikey share the same AES symmetric key. This means that if the

Re: Yubikeys are now supported

2010-10-07 Thread Mike McGrath
On Thu, 7 Oct 2010, Ricky Zhou wrote: On 2010-10-07 07:25:47 PM, Mike McLean wrote: On Thu, Oct 7, 2010 at 5:51 PM, Paul Wouters p...@xelerance.com wrote: I have one and I've played with it in fedora. There is however an important catch. The server and the yubikey share the same AES

Re: Yubikeys are now supported

2010-10-07 Thread Toshio Kuratomi
On Thu, Oct 07, 2010 at 08:54:12PM -0400, Paul Wouters wrote: I have one and I've played with it in fedora. There is however an important catch. The server and the yubikey share the same AES symmetric key. This means that if the yubikey is used for multiple sites by one user, that user is

Re: Yubikeys are now supported

2010-10-07 Thread Matthew Miller
On Thu, Oct 07, 2010 at 11:30:43PM -0400, Toshio Kuratomi wrote: The newer yubikey hardware has provision for two AES keys but I'm not sure how that works and whether it actually allows you to use separate keys with separate servers. Someone will need to look into this. Yes, separate keys --

Yubikeys are now supported

2010-10-07 Thread Mike McGrath
The Fedora Infrastructure team is happy to announce support for the hardware key authentication device, the yubikey. Users will be able to use their own yubikeys to access some Fedora services, like fedorapeople.org or some web services. Why have we done this? The main purpose was to provide