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Began implementing handline of Functional Component Measuring attributes

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This commit is contained in:
Sansar Choinyambuu
2011-11-28 14:34:20 +01:00
committed by Andreas Steffen
parent 9032e61b88
commit 1c6ebda3db
4 changed files with 195 additions and 55 deletions
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src/libimcv/plugins/imv_attestation/imv_attestation.c
+41 -1
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@@ -249,7 +249,7 @@ static TNC_Result send_message(TNC_ConnectionID connection_id)
bool is_dir;
attestation_state->set_handshake_state(attestation_state,
IMV_ATTESTATION_STATE_END);
IMV_ATTESTATION_STATE_COMP_EVID);
/* Does the PTS-IMC have TPM support? */
if (pts->get_proto_caps(pts) & PTS_PROTO_CAPS_T)
@@ -305,6 +305,34 @@ static TNC_Result send_message(TNC_ConnectionID connection_id)
break;
}
case IMV_ATTESTATION_STATE_COMP_EVID:
{
pts_attr_req_funct_comp_evid_flag_t flags;
u_int32_t sub_comp_depth;
pts_qualifier_t qualifier;
pts_funct_comp_name_t name;
attestation_state->set_handshake_state(attestation_state,
IMV_ATTESTATION_STATE_END);
flags = PTS_REQ_FUNC_COMP_FLAG_PCR;
sub_comp_depth = 1;
qualifier.kernel = FALSE;
qualifier.sub_component = FALSE;
qualifier.type = PTS_FUNC_COMP_TYPE_ALL;
name = PTS_FUNC_COMP_NAME_BIOS;
/* Send Request Functional Component Evidence attribute */
attr = tcg_pts_attr_req_funct_comp_evid_create(flags, sub_comp_depth,
PEN_TCG, qualifier, name);
attr->set_noskip_flag(attr, TRUE);
msg->add_attribute(msg, attr);
/* Send Generate Attestation Evidence attribute */
attr = tcg_pts_attr_gen_attest_evid_create();
attr->set_noskip_flag(attr, TRUE);
msg->add_attribute(msg, attr);
break;
}
case IMV_ATTESTATION_STATE_IML:
DBG1(DBG_IMV, "Attestation IMV has nothing to send: \"%s\"",
handshake_state);
@@ -497,9 +525,21 @@ TNC_Result TNC_IMV_ReceiveMessage(TNC_IMVID imv_id,
/* PTS-based Attestation Evidence */
case TCG_PTS_SIMPLE_COMP_EVID:
{
/** TODO: Implement saving the PCR number, Hash Algo = communicated one,
* PCR transform (truncate SHA256, SHA384), PCR before and after values
*/
break;
}
case TCG_PTS_SIMPLE_EVID_FINAL:
{
/** TODO: Implement construct Quote structure over saved values from
* TCG_PTS_SIMPLE_COMP_EVID and compare with received one
*/
break;
}
case TCG_PTS_FILE_MEAS:
{
tcg_pts_attr_file_meas_t *attr_cast;