/**
 * Copyright (C) 2013 - 2015 Open WhisperSystems
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package textsecure;

option java_package = "org.whispersystems.textsecuregcm.entities";
option java_outer_classname = "MessageProtos";

message Envelope {
  enum Type {
    UNKNOWN             = 0;
    CIPHERTEXT          = 1;
    KEY_EXCHANGE        = 2;
    PREKEY_BUNDLE       = 3;
    RECEIPT             = 5;
    UNIDENTIFIED_SENDER = 6;
  }

  optional Type   type             = 1;
  optional string source           = 2;
  optional string sourceUuid       = 11;
  optional uint32 sourceDevice     = 7;
  optional string relay            = 3;
  optional uint64 timestamp        = 5;
  optional bytes  legacyMessage    = 6; // Contains an encrypted DataMessage XXX -- Remove after 10/01/15
  optional bytes  content          = 8; // Contains an encrypted Content
  optional string serverGuid       = 9;
  optional uint64 server_timestamp = 10;
}

message ProvisioningUuid {
  optional string uuid = 1;
}

message ServerCertificate {
    message Certificate {
        optional uint32 id  = 1;
        optional bytes  key = 2;
    }

    optional bytes certificate = 1;
    optional bytes signature   = 2;
}

message SenderCertificate {
    message Certificate {
        optional string            sender        = 1;
        optional string            senderUuid    = 6;
        optional uint32            senderDevice  = 2;
        optional fixed64           expires       = 3;
        optional bytes             identityKey   = 4;
        optional ServerCertificate signer        = 5;
    }

    optional bytes certificate = 1;
    optional bytes signature   = 2;
}