syntax = "proto3";

message PoREnvelope {
  message TauZeroMessage {
    bytes name = 1;
    int64 n = 2;
    repeated bytes u = 3;
  }

  message TauMessage {
    TauZeroMessage t = 1;
    bytes signature = 2;
  }

  message ProofMessage {
    repeated bytes mu = 1;
    bytes sigma = 2;
  }

  message PubKeyMessage {
    bytes signkey = 1;
    bytes key = 2;
  }

  message PorMessage {
    TauMessage tau = 1;
    PubKeyMessage spk = 2;
    repeated bytes authenticators = 3;
  }

  PorMessage por = 1;
  ProofMessage proof = 2;
}