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Implemented Quote Digest constructing function for IMV

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Implemented Signature verification function to check TPM Quote Signature
Implemented Handling of Simple Evidence Final attribute
Fixed bug within tpm_quote function
This commit is contained in:
Sansar Choinyambuu
2011-11-28 14:39:50 +01:00
committed by Andreas Steffen
parent 7037b55ff1
commit a8be826be4
4 changed files with 353 additions and 32 deletions
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src/libimcv/plugins/imc_attestation/imc_attestation_process.c
+5 -5
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@@ -321,8 +321,8 @@ bool imc_attestation_process(pa_tnc_attr_t *attr, linked_list_t *attr_list,
/* TODO: Implement BIOS measurement */
DBG1(DBG_IMC, "experimental implementation:"
" Extend TPM with etc/tnc_config file");
params.flags = PTS_SIMPLE_COMP_EVID_FLAG_PCR | PTS_SIMPLE_COMP_EVID_FLAG_NO_VALID;
params.pcr_info_included = TRUE;
params.flags = PTS_SIMPLE_COMP_EVID_FLAG_NO_VALID;
params.depth = 0;
params.vendor_id = PEN_TCG;
@@ -335,7 +335,7 @@ bool imc_attestation_process(pa_tnc_attr_t *attr, linked_list_t *attr_list,
params.extended_pcr = EXTEND_PCR;
params.hash_algorithm = pts->get_meas_algorithm(pts);
if (!(params.flags & PTS_SIMPLE_COMP_EVID_FLAG_PCR))
if (!params.pcr_info_included)
{
params.transformation = PTS_PCR_TRANSFORM_NO;
}
@@ -464,11 +464,11 @@ bool imc_attestation_process(pa_tnc_attr_t *attr, linked_list_t *attr_list,
DESTROY_IF(evidences);
return FALSE;
}
/* Send Simple Evidence Final attribute */
flags = PTS_SIMPLE_EVID_FINAL_FLAG_TPM_QUOTE_INFO;
attr = tcg_pts_attr_simple_evid_final_create(flags, 0,
attr = tcg_pts_attr_simple_evid_final_create(FALSE, flags, 0,
pcr_composite, quote_signature, chunk_empty);
attr_list->insert_last(attr_list, attr);