1// Copyright 2018 The gRPC Authors 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// The canonical version of this proto can be found at 16// https://github.com/grpc/grpc-proto/blob/master/grpc/gcp/transport_security_common.proto 17 18syntax = "proto3"; 19 20package grpc.gcp; 21 22option go_package = "google.golang.org/grpc/credentials/alts/internal/proto/grpc_gcp"; 23option java_multiple_files = true; 24option java_outer_classname = "TransportSecurityCommonProto"; 25option java_package = "io.grpc.alts.internal"; 26 27// The security level of the created channel. The list is sorted in increasing 28// level of security. This order must always be maintained. 29enum SecurityLevel { 30 SECURITY_NONE = 0; 31 INTEGRITY_ONLY = 1; 32 INTEGRITY_AND_PRIVACY = 2; 33} 34 35// Max and min supported RPC protocol versions. 36message RpcProtocolVersions { 37 // RPC version contains a major version and a minor version. 38 message Version { 39 uint32 major = 1; 40 uint32 minor = 2; 41 } 42 // Maximum supported RPC version. 43 Version max_rpc_version = 1; 44 // Minimum supported RPC version. 45 Version min_rpc_version = 2; 46} 47