Started implementing handling of DH Nonce attributes

src/libimcv/plugins/imc_attestation/imc_attestation.c

@@ -62,6 +62,11 @@ static pts_dh_group_t supported_dh_groups = PTS_DH_GROUP_NONE;
  */
 static linked_list_t *evidences = NULL;
 
+/**
+ * Supported PTS Diffie Hellman Groups
+ */
+static pts_dh_group_t supported_dh_groups = 0;
+
 /**
  * see section 3.7.1 of TCG TNC IF-IMC Specification 1.2
  */
@@ -80,6 +85,10 @@ TNC_Result TNC_IMC_Initialize(TNC_IMCID imc_id,
 	{
 		return TNC_RESULT_FATAL;
 	}
+	if (!pts_probe_dh_groups(&supported_dh_groups))
+	{
+		return TNC_RESULT_FATAL;
+	}
 	imc_attestation = imc_agent_create(imc_name, IMC_VENDOR_ID, IMC_SUBTYPE,
 									   imc_id, actual_version);
 	if (!imc_attestation)