- #HOW TO USE DROPBEAR SSH VIA USB ON YALU102 WINDOWS 10#
- #HOW TO USE DROPBEAR SSH VIA USB ON YALU102 ANDROID#
- #HOW TO USE DROPBEAR SSH VIA USB ON YALU102 SOFTWARE#
Maybe somebody who really wants this will do all the work and put it on GitHub. But from what I can see it's possible with the components that already exist.
#HOW TO USE DROPBEAR SSH VIA USB ON YALU102 SOFTWARE#
I expect this would be a bunch of work, and I don't expect Free Software people to help build something to do it any time soon. "This is a genuine Yubikey 5C, so OK" or "This is a Crap Corp Funky Fake, no thanks". So you could construct a mechanism to examine the attestation file and decide whether to accept the proffered public key based on that attestation. It is willing to stash it in a file, and because it's a certificate it's safe for the token's owner to send this somewhere. So for this you're going to need the attestation data, which as you observe OpenSSH currently doesn't do anything with. > 1) require that the private key used for authentication be stored on a hardware device So there's two parts, let's take them separately. I vaguely remember a command that would do it, but I forgot it. Made sure to log out and back in to have the 'yubikey' group be active for my user. I had to add my two Yubikeys USB IDs (lsusb to see them) as they weren't present. I used /lib/udev/rules.d/les as the starting point for my file. Without this then 'ykman list' would not work.Ĭreated a /etc/udev/rules.d/les to give access to the 'yubikey' group. My local Linux system is running Fedora 32 and I did the following to enable a user connected via SSH to use the Yubikey.Ĭreated a user group for yubikey users, which in reality only has me in it.Ĭreated a /etc/polkit-1/rules.d/les file which gives smartcard access to the 'yubikey' group. Both systems are sitting next to me and I can press the Yubikey easily.
#HOW TO USE DROPBEAR SSH VIA USB ON YALU102 WINDOWS 10#
I am running a Windows 10 desktop, and then SSH into my local Linux box from Windows. I was able to get this going, but it took awhile as I use a non-standard working mode.Īll of the docs I have read assume that you are logged in locally on the system, but if you are not (like me) then things fall apart. * Default OpenSSH server (sshd) settings (without PubkeyAcceptedKeyTypes), or PubkeyAcceptedKeyTypes in /etc/ssh/sshd_config containing and (optionally, for ed25519-sk keys). so file and specifying it with `ssh -o SecurityKeyProvider=.so', but it's complicated. It's possible to work around this by compiling an. Without this, eventually authentication will fail locally with `internal security key support not enabled'. * OpenSSH client (ssh) compiled with `configure -with-security-key-builtin'. * For communicating with the token over USB, OpenBSD or (Linux with udev). ' uses the NIST P-256 curve, which works with all U2F tokens.) * ED25519 support in the token is optional. (When ssh is run, multiple USB tokens work, the user can touch the wrong one many times, and authentication succeeds after the user touches the right one.) * To avoid confusion, only a single USB token should be connected when ssh-keygen is run. * For the resident key feature only: USB token with FIDO2 support. I managed to make this work today as described in the article, after installing and configuring the software dependencies. I get that this pretty nice when integrating with Windows Hello or Apple's TouchID, but I don't think FIDO2 USB key with SSH is that great. , plug it in, don't have to set anything up if your client and server have this (eventually), and log in.įIDO2 is solving a lot of authentication convenience problems, but not this one I think. Yubikey with FIDO2 for SSH: your Yubikey stores a symmetric key to unlock your private key on your computer. You can take it anywhere, plug it in,, and log in. Yubikey with GPG/PIV for SSH: your Yubikey stores your private key.
#HOW TO USE DROPBEAR SSH VIA USB ON YALU102 ANDROID#
My Linux desktop, my Macbook, my Windows desktop, my Android phone. I'd like to be able to plug in my Yubikey anywhere and go. I'd like to SSH with a credential on my Yubikey, not by a credential or configuration already stored on my computer that is unlocked by my Yubikey. I'm incredibly excited about FIDO2, but this is quite underwhelming honestly. EDIT: I misunderstood the post, and what I describe below is not true!
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