Ubuntu
linux package

  1. Focal (20.04)
  2. Bug #1928679
  3. Comment #6

Comment 6 for bug 1928679

Revision history for this message
Dimitri John Ledkov (xnox) wrote :

# uname -r
5.11.0-34-generic

# sudo keyctl list %:.platform
3 keys in keyring:
149920180: ---lswrv 0 0 asymmetric: Microsoft Windows Production PCA 2011: a92902398e16c49778cd90f99e4f9ae17c55af53
434591909: ---lswrv 0 0 asymmetric: Canonical Ltd. Master Certificate Authority: ad91990bc22ab1f517048c23b6655a268e345a63
404799886: ---lswrv 0 0 asymmetric: Microsoft Corporation UEFI CA 2011: 13adbf4309bd82709c8cd54f316ed522988a1bd4

# sudo keyctl list %:.blacklist | grep bin: | wc
     79 474 8854

# sudo keyctl list %:.blacklist | grep Canonical
1050199374: ---lswrv 0 0 asymmetric: Canonical Ltd. Secure Boot Signing: 61482aa2830d0ab2ad5af10b7250da9033ddcef0

dmesg

[ 1.074086] blacklist: Loading compiled-in revocation X.509 certificates
[ 1.074714] Loaded X.509 cert 'Canonical Ltd. Secure Boot Signing: 61482aa2830d0ab2ad5af10b7250da9033ddcef0'

[ 1.084216] integrity: Loading X.509 certificate: UEFI:MokListRT (MOKvar table)
[ 1.085028] integrity: Loaded X.509 cert 'Canonical Ltd. Master Certificate Authority: ad91990bc22ab1f517048c23b6655a268e345a63'

MOKvar is available, and used to load Master CA into .platform keyring, and hashes into blacklist keyring.