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17.4.92 tpm2_dump_pcr

Command: tpm2_dump_pcr [bank] ¶

Print all PCRs of the specified TPM 2.0 bank. The supported banks are ‘sha1’, ‘sha256’, ‘sha384’, and ‘sha512’. If bank is not specified, ‘sha256’ is chosen by default.

Since GRUB measures every command into PCR 8, invoking tpm2_dump_pcr also extends PCR 8, so PCR 8 will not be a stable value in GRUB shell.