GRUB-PROTECT(1) GRUB-PROTECT(1) (NAME) grub-protect - (SYNOPSIS) grub-protect [...] (DESCRIPTION) grub-protect . (cleartext) GRUB . -a, --action=add|remove . -p, --protector=tpm2 ( tpm2 ). --tpm2-asymmetric=TYPE SRK: RSA (RSA2048) ECC (ECC_NIST_P256). (: ECC) --tpm2-bank=ALG PCR : SHA1 SHA256 SHA384 SHA512. (: SHA256) --tpm2-device=FILE TPM2. (: /dev/tpm0) --tpm2-evict SRK TPM . --tpm2-keyfile=FILE . --tpm2-nvindex=NUM NV. --tpm2-outfile=FILE ( GRUB ). --tpm2-pcrs=0[,1]... PCR '7,11'. PCR ( ) (OVMF/SLOF) . . (: 7) --tpm2-srk=NUM SRK SRK . --tpm2key TPM 2.0. -?, --help --usage -V, --version . (REPORTING BUGS) . (SEE ALSO) grub-protect Texinfo . info grub-protect info grub-protect . GRUB 2:2.14-1 January 2026 GRUB-PROTECT(1)