tpm

func Close ¶

func Close()

Close closes the connection of a TPM device handle.

func ExtendPCRDebug ¶

func ExtendPCRDebug(pcr uint32, data io.Reader, eventDesc string) error

ExtendPCRDebug extends a PCR with the contents of a byte slice and notifies the kernel of this measurement by sending an event via sysfs.

In debug mode, it prints:

1. The old PCR value before the hash is extended to the PCR
2. The new PCR value after the hash is extended to the PCR

func HashReader ¶ added in v0.15.0

func HashReader(f io.Reader) []byte

HashReader calculates the sha256 sum of an io reader.

func LogPCRs ¶ added in v0.15.0

func LogPCRs(selection []uint32, pcrLogLocation string) error

LogPCRs logs the PCR values out to the provided file.

func New ¶

func New() error

New sets up a TPM device handle that can be used for storing hashes.

func ReadValue32 ¶ added in v0.15.0

func ReadValue32(nvIndex uint32) ([]byte, error)

ReadValue32 reads the a 32-bit value from the TPM at the specified index.