diff options
| author | Ruchika Gupta <ruchika.gupta@linaro.org> | 2021-11-29 13:09:45 +0530 |
|---|---|---|
| committer | Heinrich Schuchardt <heinrich.schuchardt@canonical.com> | 2021-11-30 09:23:49 +0100 |
| commit | 2957a1e22407a84a2cc7c4ea5a8136af1d0278d9 (patch) | |
| tree | 7f4cc42de253c761e6d94906a6f777e3216b8174 /include/tpm-v2.h | |
| parent | 34287efdaf6ed186a64445f65227b5407a1dcd63 (diff) | |
tpm: use more algorithms than sha256 on pcr_read
The current tpm2_pcr_read is hardcoded using SHA256. Make the
actual command to TPM configurable to use wider range of algorithms.
The current command line is kept as is i.e limited to SHA-256 only.
Signed-off-by: Ruchika Gupta <ruchika.gupta@linaro.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Diffstat (limited to 'include/tpm-v2.h')
| -rw-r--r-- | include/tpm-v2.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/tpm-v2.h b/include/tpm-v2.h index ceff7d245e..4e9dd52cb6 100644 --- a/include/tpm-v2.h +++ b/include/tpm-v2.h @@ -512,13 +512,16 @@ u32 tpm2_nv_write_value(struct udevice *dev, u32 index, const void *data, * @dev TPM device * @idx Index of the PCR * @idx_min_sz Minimum size in bytes of the pcrSelect array + * @algorithm Algorithm used, defined in 'enum tpm2_algorithms' * @data Output buffer for contents of the named PCR + * @digest_len len of the data * @updates Optional out parameter: number of updates for this PCR * * @return code of the operation */ u32 tpm2_pcr_read(struct udevice *dev, u32 idx, unsigned int idx_min_sz, - void *data, unsigned int *updates); + u16 algorithm, void *data, u32 digest_len, + unsigned int *updates); /** * Issue a TPM2_GetCapability command. This implementation is limited |