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Yubikey integration into firmware for auth or disk keys #32

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osresearch opened this issue Sep 16, 2016 · 2 comments
Closed

Yubikey integration into firmware for auth or disk keys #32

osresearch opened this issue Sep 16, 2016 · 2 comments

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@osresearch
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A two factor device like the yubikey could be added to the auth process for booting / decrypting.

@osresearch
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osresearch commented Apr 5, 2017

This will require full gpg, not just the limited gpgv. It will also require libusb and the USB kernel modules to be loaded.

It can also be used to store the disk encryption keys for TPM-less systems, although we won't have any measurement support.

@osresearch osresearch changed the title Yubikey integration into auth Yubikey integration into firmware for auth or disk keys Apr 5, 2017
osresearch added a commit that referenced this issue Apr 12, 2017
This adds support for seamless booting of Qubes with a TPM disk key,
as well as signing of qubes files in /boot with a Yubikey.

The signed hashes also includes a TPM counter, which is incremented
when new hashes are signed.  This prevents rollback attacks against
the /boot filesystem.

The TPMTOTP value is presented to the user at the time of entering
the disk encryption keys.  Hitting enter will generate a new code.

The LUKS headers are included in the TPM sealing of the disk
encryption keys.
@osresearch
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It is now possible to use a Yubikey to sign Qubes installations and root filesystems from the recovery shell. This works fairly well and there are scripts to help make it easier.

tlaurion pushed a commit to tlaurion/heads that referenced this issue May 3, 2024
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