syntax = "proto3";
package qpc.v1;

// OPAQUE registration + login (4 methods).
// Method IDs: 100-103.

message OpaqueRegisterStartRequest {
  string username = 1;
  bytes request = 2;
}

message OpaqueRegisterStartResponse {
  bytes response = 1;
}

message OpaqueRegisterFinishRequest {
  string username = 1;
  bytes upload = 2;
  bytes identity_key = 3;
}

message OpaqueRegisterFinishResponse {
  bool success = 1;
}

message OpaqueLoginStartRequest {
  string username = 1;
  bytes request = 2;
}

message OpaqueLoginStartResponse {
  bytes response = 1;
}

message OpaqueLoginFinishRequest {
  string username = 1;
  bytes finalization = 2;
  bytes identity_key = 3;
}

message OpaqueLoginFinishResponse {
  bytes session_token = 1;
}