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Finalized implementation of quote_tpm function
This commit is contained in:
Sansar Choinyambuu
2011-11-28 14:39:50 +01:00
committed by Andreas Steffen
parent fe247ba2a6
commit d25b7b3d9a
3 changed files with 80 additions and 59 deletions
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src/libimcv/plugins/imc_attestation/imc_attestation_process.c
+12 -11
View File
@@ -432,11 +432,13 @@ bool imc_attestation_process(pa_tnc_attr_t *attr, linked_list_t *attr_list,
enumerator_t *e;
pts_simple_evid_final_flag_t flags;
chunk_t pcr_composite, quote_signature;
linked_list_t *pcrs;
u_int32_t num_of_evidences, i = 0;
u_int32_t *pcrs;
/* Send buffered Simple Component Evidences */
pcrs = linked_list_create();
num_of_evidences = evidences->get_count(evidences);
pcrs = (u_int32_t*)malloc(sizeof(u_int32_t)*num_of_evidences);
e = evidences->create_enumerator(evidences);
while (e->enumerate(e, &attr))
{
@@ -445,20 +447,20 @@ bool imc_attestation_process(pa_tnc_attr_t *attr, linked_list_t *attr_list,
attr_cast = (tcg_pts_attr_simple_comp_evid_t*)attr;
extended_pcr = attr_cast->get_extended_pcr(attr_cast);
/* Add extended PCR number to PCR list to quote */
/* Duplicated PCR numbers have no influence */
pcrs->insert_last(pcrs, &extended_pcr);
pcrs[i] = extended_pcr;
i++;
/* Send Simple Compoenent Evidence */
attr_list->insert_last(attr_list, attr);
}
/* Quote */
if (!pts->quote_tpm(pts, pcrs, &pcr_composite, &quote_signature))
if (!pts->quote_tpm(pts, pcrs, num_of_evidences, &pcr_composite, &quote_signature))
{
DBG1(DBG_IMC, "error occured while TPM quote operation");
DBG1(DBG_IMC, "error occured during TPM quote operation");
DESTROY_IF(e);
DESTROY_IF(pcrs);
DESTROY_IF(evidences);
return FALSE;
}
@@ -471,7 +473,6 @@ bool imc_attestation_process(pa_tnc_attr_t *attr, linked_list_t *attr_list,
attr_list->insert_last(attr_list, attr);
DESTROY_IF(e);
DESTROY_IF(pcrs);
DESTROY_IF(evidences);
break;