On Mon, Jul 20, 2020 at 09:27:16AM +1000, Damien Miller wrote: > On Sun, 19 Jul 2020, Domenico Andreoli wrote: > > > On Mon, Jul 13, 2020 at 01:34:37PM +1000, Damien Miller wrote: > > > On Fri, 10 Jul 2020, Frank Sharkey wrote: > > > > > > > I set up the YubiKey with OpenSSH 8.2 (Ubuntu client and server) and it > > > > works. However, it does not do PIN enforcement at SSH login. It only > > > > requests the PIN during the set-up process (when the key is being > > > > generated). Is that the way it's supposed to work? > > > > > > Assuming you are using this device as a FIDO token (and not PKCS#11), > > > this is expected. OpenSSH doesn't yet support requiring PINs for keys > > > except for a couple of corner cases (e.g. resident keys). > > > > > > I hope to add this before OpenSSH 8.4. > > > > Somewhat related: touching the FIDO key to authorize the operation. > > > > The user is prompted to touch the FIDO key when generating an ssh key > > but later on (eg. ssh-add -T ...) this does not happen any more. > > > > I guess it's due to the agent server not having any means to call back > > the client for notifying that user action is required [0]. > > ssh-agent will prompt via $SSH_ASKPASS if you have it configured. Evidently my setup has some problem, I don't see any dialog. I'll investigate. Thanks. Dom -- rsa4096: 3B10 0CA1 8674 ACBA B4FE FCD2 CE5B CF17 9960 DE13 ed25519: FFB4 0CC3 7F2E 091D F7DA 356E CC79 2832 ED38 CB05 _______________________________________________ openssh-unix-dev mailing list openssh-unix-dev@xxxxxxxxxxx https://lists.mindrot.org/mailman/listinfo/openssh-unix-dev
