Add Realm Personalization Value as RawValue to Realm Reference Values

Signed-off-by: Yogesh Deshpande <[email protected]>

comid/example_cca_realm_refval_test.go

@@ -26,6 +26,7 @@ func Example_cca_realm_refval() {
 	// Vendor: Workload Client Ltd
 	// ClassID: cd1f0e5526f9460db9d8f7fde171787c
 	// InstanceID: 4284b5694ca6c0d2cf4789a0b95ac8025c818de52304364be7cd2981b2d2edc685b322277ec25819962413d8c9b2c1f5
+	// RawValue: e45b72f5c0c0b572db4d8d3ab7e97f368ff74e62347a824decb67a84e5224d75e45b72f5c0c0b572db4d8d3ab7e97f368ff74e62347a824decb67a84e5224d75
 	// Index: rim
 	// Alg: sha-384
 	// Digest: 4284b5694ca6c0d2cf4789a0b95ac8025c818de52304364be7cd2981b2d2edc685b322277ec25819962413d8c9b2c1f5
@@ -94,6 +95,9 @@ func extractMeasurements(m Measurements) error {
 }
 
 func extractMeasurement(m Measurement) error {
+	if err := extractRealmPersonalizationValue(m.Val.RawValue); err != nil {
+		return fmt.Errorf("extracting realm personalization value: %w", err)
+	}
 	if err := extractIntegrityRegisters(m.Val.IntegrityRegisters); err != nil {
 		return fmt.Errorf("extracting digest: %w", err)
 	}
@@ -142,6 +146,22 @@ func extractRealmInstanceID(i *Instance) error {
 	return nil
 }
 
+func extractRealmPersonalizationValue(r *RawValue) error {
+	if r == nil {
+		fmt.Println("realm persoanlization value not present")
+		return nil
+	}
+	b, err := r.GetBytes()
+	if err != nil {
+		return err
+	}
+	if len(b) != 64 {
+		return fmt.Errorf("invalid length %d, for realm personalization value", len(b))
+	}
+	fmt.Printf("RawValue: %x\n", b)
+	return nil
+}
+
 func extractIntegrityRegisters(r *IntegrityRegisters) error {
 	if r == nil {
 		return fmt.Errorf("no integrity registers")

comid/test_vars.go

@@ -475,6 +475,10 @@ var (
 			"measurements": [
 				{
 					"value": {
+						"raw-value": {
+							"type": "bytes",
+							"value": "5Fty9cDAtXLbTY06t+l/No/3TmI0eoJN7LZ6hOUiTXXkW3L1wMC1cttNjTq36X82j/dOYjR6gk3stnqE5SJNdQ=="
+						},
 						"integrity-registers": {
 							"rim": {
 								"key-type": "text",