xref: /aosp_15_r20/external/tink/proto/experimental/pqcrypto/falcon.proto (revision e7b1675dde1b92d52ec075b0a92829627f2c52a5)
1// Copyright 2021 Google LLC
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14//
15///////////////////////////////////////////////////////////////////////////////
16syntax = "proto3";
17
18package google.crypto.tink;
19
20// Protos for FalconDigital Signature Algorithm.
21// See https://falcon-sign.info/ for more details.
22message FalconKeyFormat {
23  uint32 version = 1;
24  // Required.
25  int32 key_size = 2;
26}
27
28// key_type: type.googleapis.com/google.crypto.tink.FalconPublicKey
29message FalconPublicKey {
30  // Required.
31  uint32 version = 1;
32  // Required.
33  bytes key_value = 2;
34}
35
36// key_type: type.googleapis.com/google.crypto.tink.FalconPrivateKey
37message FalconPrivateKey {
38  // Required.
39  uint32 version = 1;
40  // Required.
41  bytes key_value = 2;
42  // The corresponding public key.
43  FalconPublicKey public_key = 3;
44}
45