1// Copyright 2017 Google Inc. 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//////////////////////////////////////////////////////////////////////////////// 16 17syntax = "proto3"; 18 19package google.crypto.tink; 20 21option java_package = "com.google.crypto.tink.proto"; 22option java_multiple_files = true; 23option go_package = "github.com/google/tink/go/proto/chacha20_poly1305_go_proto"; 24 25message ChaCha20Poly1305KeyFormat {} 26 27// key_type: type.googleapis.com/google.crypto.tink.ChaCha20Poly1305. 28// This key type actually implements ChaCha20Poly1305 as described 29// at https://tools.ietf.org/html/rfc7539#section-2.8. 30message ChaCha20Poly1305Key { 31 uint32 version = 1; 32 bytes key_value = 2; 33} 34