diff options
Diffstat (limited to 'firmware/lib/tpm2_lite/tlcl.c')
| -rw-r--r-- | firmware/lib/tpm2_lite/tlcl.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/firmware/lib/tpm2_lite/tlcl.c b/firmware/lib/tpm2_lite/tlcl.c index e4695d12..b91119b7 100644 --- a/firmware/lib/tpm2_lite/tlcl.c +++ b/firmware/lib/tpm2_lite/tlcl.c @@ -314,8 +314,15 @@ int TlclIsOwned(void) uint32_t TlclExtend(int pcr_num, const uint8_t *in_digest, uint8_t *out_digest) { - VB2_DEBUG("NOT YET IMPLEMENTED\n"); - return TPM_SUCCESS; + struct tpm2_pcr_extend_cmd pcr_ext_cmd; + + pcr_ext_cmd.pcrHandle = HR_PCR + pcr_num; + pcr_ext_cmd.digests.count = 1; + pcr_ext_cmd.digests.digests[0].hashAlg = TPM_ALG_SHA256; + memcpy(pcr_ext_cmd.digests.digests[0].digest.sha256, in_digest, + sizeof(pcr_ext_cmd.digests.digests[0].digest.sha256)); + + return tpm_get_response_code(TPM2_PCR_Extend, &pcr_ext_cmd); } |