libsignal-protocol-syft 0.85.3-beta.5

Vendored libsignal protocol crate for syft
Documentation 
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syntax = "proto2";

//
// Copyright 2020 Signal Messenger, LLC.
// SPDX-License-Identifier: AGPL-3.0-only
//

package signal.proto.wire;

message SignalMessage {
  optional bytes  ratchet_key      = 1;
  optional uint32 counter          = 2;
  optional uint32 previous_counter = 3;
  optional bytes  ciphertext       = 4;
  optional bytes  pq_ratchet       = 5;
}

message PreKeySignalMessage {
  optional uint32 registration_id   = 5;
  optional uint32 pre_key_id        = 1;
  optional uint32 signed_pre_key_id = 6;
  optional uint32 kyber_pre_key_id  = 7;
  optional bytes  kyber_ciphertext  = 8;
  optional bytes  base_key          = 2;
  optional bytes  identity_key      = 3;
  optional bytes  message           = 4; // SignalMessage
}

message SenderKeyMessage {
  optional bytes  distribution_uuid = 1;
  optional uint32 chain_id          = 2;
  optional uint32 iteration         = 3;
  optional bytes  ciphertext        = 4;
}

message SenderKeyDistributionMessage {
  optional bytes  distribution_uuid = 1;
  optional uint32 chain_id          = 2;
  optional uint32 iteration         = 3;
  optional bytes  chain_key         = 4;
  optional bytes  signing_key       = 5;
}