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kdebug
2019 Nov 15
2
U2F support in OpenSSH HEAD
On 2019-11-14, Damien Miller <djm at mindrot.org> wrote:
> Please give this a try - security key support is a substantial change and
> it really needs testing ahead of the next release.
Hi Damien,
Thanks for working on security key support, this is a really nice
feature to have in openssh.
My non-FIDO2 security key (YubiKey NEO) doesn't work with the latest
changes to openssh
2020 Sep 04
3
Incomplete attestation data for FIDO2 SKs?
I was recently looking at verifying the attestation data
(ssh-sk-attest-v00) for a SK key, but I believe the data saved in this
structure is insufficient for completing verification of the attestation.
While the structure has enough information for U2F devices, FIDO2 devices
sign their attestation over a richer "authData" blob [1] (concatenated with
the challenge hash). The authData blob