[Presence] Data Structure modification for NP Multiple Account Phase One Implementation: b/285573323

PiperOrigin-RevId: 538508248

internal/proto/credential.proto

@@ -31,9 +31,16 @@ enum IdentityType {
   IDENTITY_TYPE_PROVISIONED = 4;
 }
 
+enum CredentialType {
+  CREDENTIAL_TYPE_UNKNOWN = 0;
+  CREDENTIAL_TYPE_DEVICE = 1;
+  CREDENTIAL_TYPE_GAIA = 2;
+}
+
 // The shared credential is derived from local credential, and distributed to
 // remote devices based on the trust token for identity decryption and
 // authentication.
+// NEXT_ID=12
 message SharedCredential {
   // The randomly generated unique id of the public credential.
   bytes secret_id = 1;
@@ -71,4 +78,9 @@ message SharedCredential {
   // The version number of this SharedCredential, matches the corresponding
   // protocol version.
   bytes version = 10;
+
+  // The type assigned to the credential. The CredentialType is used to
+  // determine whether a device identity credential or account based identity
+  // credential is used for decryption.
+  CredentialType type = 11;
 }

internal/proto/metadata.proto

@@ -22,6 +22,21 @@ option java_package = "com.google.nearby.presence";
 option java_outer_classname = "MetadataProto";
 option optimize_for = LITE_RUNTIME;
 
+// The metadata of a device. Contains confidential data not to be broadcasted
+// directly in OTA.
+// NEXT_ID=4
+message DeviceIdentityMetaData {
+  // The type of the device.
+  DeviceType device_type = 1;
+
+  // The name of the local device to be returned through credentials.
+  string device_name = 2;
+
+  // The ChromeOS team requires the BT mac address for debugging purposes
+  // temporarily. This should be removed by the end of this year.
+  bytes bluetooth_mac_address = 3;
+}
+
 // The metadata of a device.
 // Contains confidential data not to be broadcasted directly in OTA.
 message Metadata {