DOKK / manpages / debian 12 / sbsigntool / sbverify.1.en
SBVERIFY(1) User Commands SBVERIFY(1)

sbverify - UEFI secure boot verification tool

sbverify [options] --cert <certfile> <efi-boot-image>

Verify a UEFI secure boot image.

certificate (x509 certificate)
list all signatures (but don't verify)
read signature from <file>, instead of looking for an embedded signature
June 2022 sbverify 0.9.4