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rasa.signal-service-java.2.15.3_unofficial_105.source-code.CDSI.proto Maven / Gradle / Ivy

// Proto schema formatted by Wire, do not edit.
// Source: CDSI.proto

syntax = "proto3";

package org.signal.cdsi;

option java_multiple_files = true;
option java_package = "org.signal.cdsi.proto";

message ClientRequest {
  // Each ACI/UAK pair is a 32-byte buffer, containing the 16-byte ACI followed
  // by its 16-byte UAK.
  bytes aciUakPairs = 1;

  // Each E164 is an 8-byte big-endian number, as 8 bytes.
  bytes prevE164s = 2;

  bytes newE164s = 3;

  bytes discardE164s = 4;

  // If true, the client has more pairs or e164s to send.  If false or unset,
  // this is the client's last request, and processing should commence.
  // NOT NECESSARY FOR CDSI
  // bool has_more = 5;
  // If set, a token which allows rate limiting to discount the e164s in
  // the request's prev_e164s, only counting new_e164s.  If not set, then
  // rate limiting considers both prev_e164s' and new_e164s' size.
  bytes token = 6;

  // After receiving a new token from the server, send back a message just
  // containing a token_ack.
  bool tokenAck = 7;

  // Request that, if the server allows, both ACI and PNI be returned even
  // if the aci_uak_pairs don't match.
  bool returnAcisWithoutUaks = 8;
}

message ClientResponse {
  // Each triple is an 8-byte e164, a 16-byte PNI, and a 16-byte ACI.
  // If the e164 was not found, PNI and ACI are all zeros.  If the PNI
  // was found but the ACI was not, the PNI will be non-zero and the ACI
  // will be all zeros.  ACI will be returned if one of the returned
  // PNIs has an ACI/UAK pair that matches.
  // 
  // Should the request be successful (IE: a successful status returned),
  // |e164_pni_aci_triple| will always equal |e164| of the request,
  // so the entire marshalled size of the response will be (2+32)*|e164|,
  // where the additional 2 bytes are the id/type/length additions of the
  // protobuf marshaling added to each byte array.  This avoids any data
  // leakage based on the size of the encrypted output.
  bytes e164PniAciTriples = 1;

  // If the user has run out of quota for lookups, they will receive
  // a response with just the following field set, followed by a websocket
  // closure of type 4008 (RESOURCE_EXHAUSTED).  Should they retry exactly
  // the same request after the provided number of seconds has passed,
  // we expect it should work.
  int32 retryAfterSecs = 2;

  // A token which allows subsequent calls' rate limiting to discount the
  // e164s sent up in this request, only counting those in the next
  // request's new_e164s.
  bytes token = 3;

  // On a successful response to a token_ack request, the number of permits
  // that were deducted from the user's rate-limit in order to process the
  // request
  int32 debugPermitsUsed = 4;
}

message EnclaveLoad {
  // If set, before loading any tuples entirely clear the current map,
  // zero'ing out all current data.
  bool clearAll = 1;

  // Each tuple is an 8-byte e164, a 16-byte PNI, a 16-byte ACI, and a
  // 16-byte UAK.  These should be loaded as a 48-byte value (PNI,ACI,UAK)
  // associated with an 8-byte key (e164).
  // ACI/PNI/UAK may all be zeros, in which case this is a delete of the e164.
  bytes e164AciPniUakTuples = 2;

  // If non-empty, overwrite the shared token secret with this value.
  bytes sharedTokenSecret = 3;
}

message ClientHandshakeStart {
  // Public key associated with this server's enclave. For use in test-only
  // contexts where attestation is not available
  bytes testonlyPubkey = 1;

  // Remote-attestation evidence associated with the public key
  bytes evidence = 2;

  // Endorsements of remote-attestation evidence.
  bytes endorsement = 3;
}