diff options
Diffstat (limited to 'firmware/lib/tpm2_lite/tlcl.c')
| -rw-r--r-- | firmware/lib/tpm2_lite/tlcl.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/firmware/lib/tpm2_lite/tlcl.c b/firmware/lib/tpm2_lite/tlcl.c index 70d584f0..9c0ab887 100644 --- a/firmware/lib/tpm2_lite/tlcl.c +++ b/firmware/lib/tpm2_lite/tlcl.c @@ -313,6 +313,29 @@ uint32_t TlclGetPermissions(uint32_t index, uint32_t *permissions) return rv; } +uint32_t TlclGetSpaceInfo(uint32_t index, uint32_t *attributes, uint32_t *size, + void* auth_policy, uint32_t* auth_policy_size) +{ + uint32_t rv; + struct nv_read_public_response *resp; + + rv = tlcl_nv_read_public(index, &resp); + if (rv != TPM_SUCCESS) + return rv; + + *attributes = resp->nvPublic.attributes; + *size = resp->nvPublic.dataSize; + if (resp->nvPublic.authPolicy.size > *auth_policy_size) { + return TPM_E_BUFFER_SIZE; + } + + *auth_policy_size = resp->nvPublic.authPolicy.size; + memcpy(auth_policy, resp->nvPublic.authPolicy.buffer, + *auth_policy_size); + + return TPM_SUCCESS; +} + static uint32_t tlcl_get_capability(TPM_CAP cap, TPM_PT property, struct get_capability_response **presp) { |