snapshot of https://github.com/grpc/grpc-go.git (master, 2026-09-15; blobs > 131072B omitted)

credentials/alts/internal/proto/grpc_gcp/altscontext.pb.go

@@ -0,0 +1,211 @@
+// Copyright 2018 The gRPC Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// The canonical version of this proto can be found at
+// https://github.com/grpc/grpc-proto/blob/master/grpc/gcp/altscontext.proto
+
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.36.12
+// 	protoc        v5.27.1
+// source: grpc/gcp/altscontext.proto
+
+package grpc_gcp
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+	unsafe "unsafe"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type AltsContext struct {
+	state protoimpl.MessageState `protogen:"open.v1"`
+	// The application protocol negotiated for this connection.
+	ApplicationProtocol string `protobuf:"bytes,1,opt,name=application_protocol,json=applicationProtocol,proto3" json:"application_protocol,omitempty"`
+	// The record protocol negotiated for this connection.
+	RecordProtocol string `protobuf:"bytes,2,opt,name=record_protocol,json=recordProtocol,proto3" json:"record_protocol,omitempty"`
+	// The security level of the created secure channel.
+	SecurityLevel SecurityLevel `protobuf:"varint,3,opt,name=security_level,json=securityLevel,proto3,enum=grpc.gcp.SecurityLevel" json:"security_level,omitempty"`
+	// The peer service account.
+	PeerServiceAccount string `protobuf:"bytes,4,opt,name=peer_service_account,json=peerServiceAccount,proto3" json:"peer_service_account,omitempty"`
+	// The local service account.
+	LocalServiceAccount string `protobuf:"bytes,5,opt,name=local_service_account,json=localServiceAccount,proto3" json:"local_service_account,omitempty"`
+	// The RPC protocol versions supported by the peer.
+	PeerRpcVersions *RpcProtocolVersions `protobuf:"bytes,6,opt,name=peer_rpc_versions,json=peerRpcVersions,proto3" json:"peer_rpc_versions,omitempty"`
+	// Additional attributes of the peer.
+	PeerAttributes map[string]string `protobuf:"bytes,7,rep,name=peer_attributes,json=peerAttributes,proto3" json:"peer_attributes,omitempty" protobuf_key:"bytes,1,opt,name=key" protobuf_val:"bytes,2,opt,name=value"`
+	unknownFields  protoimpl.UnknownFields
+	sizeCache      protoimpl.SizeCache
+}
+
+func (x *AltsContext) Reset() {
+	*x = AltsContext{}
+	mi := &file_grpc_gcp_altscontext_proto_msgTypes[0]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *AltsContext) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AltsContext) ProtoMessage() {}
+
+func (x *AltsContext) ProtoReflect() protoreflect.Message {
+	mi := &file_grpc_gcp_altscontext_proto_msgTypes[0]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use AltsContext.ProtoReflect.Descriptor instead.
+func (*AltsContext) Descriptor() ([]byte, []int) {
+	return file_grpc_gcp_altscontext_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *AltsContext) GetApplicationProtocol() string {
+	if x != nil {
+		return x.ApplicationProtocol
+	}
+	return ""
+}
+
+func (x *AltsContext) GetRecordProtocol() string {
+	if x != nil {
+		return x.RecordProtocol
+	}
+	return ""
+}
+
+func (x *AltsContext) GetSecurityLevel() SecurityLevel {
+	if x != nil {
+		return x.SecurityLevel
+	}
+	return SecurityLevel_SECURITY_NONE
+}
+
+func (x *AltsContext) GetPeerServiceAccount() string {
+	if x != nil {
+		return x.PeerServiceAccount
+	}
+	return ""
+}
+
+func (x *AltsContext) GetLocalServiceAccount() string {
+	if x != nil {
+		return x.LocalServiceAccount
+	}
+	return ""
+}
+
+func (x *AltsContext) GetPeerRpcVersions() *RpcProtocolVersions {
+	if x != nil {
+		return x.PeerRpcVersions
+	}
+	return nil
+}
+
+func (x *AltsContext) GetPeerAttributes() map[string]string {
+	if x != nil {
+		return x.PeerAttributes
+	}
+	return nil
+}
+
+var File_grpc_gcp_altscontext_proto protoreflect.FileDescriptor
+
+const file_grpc_gcp_altscontext_proto_rawDesc = "" +
+	"\n" +
+	"\x1agrpc/gcp/altscontext.proto\x12\bgrpc.gcp\x1a(grpc/gcp/transport_security_common.proto\"\xf1\x03\n" +
+	"\vAltsContext\x121\n" +
+	"\x14application_protocol\x18\x01 \x01(\tR\x13applicationProtocol\x12'\n" +
+	"\x0frecord_protocol\x18\x02 \x01(\tR\x0erecordProtocol\x12>\n" +
+	"\x0esecurity_level\x18\x03 \x01(\x0e2\x17.grpc.gcp.SecurityLevelR\rsecurityLevel\x120\n" +
+	"\x14peer_service_account\x18\x04 \x01(\tR\x12peerServiceAccount\x122\n" +
+	"\x15local_service_account\x18\x05 \x01(\tR\x13localServiceAccount\x12I\n" +
+	"\x11peer_rpc_versions\x18\x06 \x01(\v2\x1d.grpc.gcp.RpcProtocolVersionsR\x0fpeerRpcVersions\x12R\n" +
+	"\x0fpeer_attributes\x18\a \x03(\v2).grpc.gcp.AltsContext.PeerAttributesEntryR\x0epeerAttributes\x1aA\n" +
+	"\x13PeerAttributesEntry\x12\x10\n" +
+	"\x03key\x18\x01 \x01(\tR\x03key\x12\x14\n" +
+	"\x05value\x18\x02 \x01(\tR\x05value:\x028\x01Bl\n" +
+	"\x15io.grpc.alts.internalB\x10AltsContextProtoP\x01Z?google.golang.org/grpc/credentials/alts/internal/proto/grpc_gcpb\x06proto3"
+
+var (
+	file_grpc_gcp_altscontext_proto_rawDescOnce sync.Once
+	file_grpc_gcp_altscontext_proto_rawDescData []byte
+)
+
+func file_grpc_gcp_altscontext_proto_rawDescGZIP() []byte {
+	file_grpc_gcp_altscontext_proto_rawDescOnce.Do(func() {
+		file_grpc_gcp_altscontext_proto_rawDescData = protoimpl.X.CompressGZIP(unsafe.Slice(unsafe.StringData(file_grpc_gcp_altscontext_proto_rawDesc), len(file_grpc_gcp_altscontext_proto_rawDesc)))
+	})
+	return file_grpc_gcp_altscontext_proto_rawDescData
+}
+
+var file_grpc_gcp_altscontext_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
+var file_grpc_gcp_altscontext_proto_goTypes = []any{
+	(*AltsContext)(nil),         // 0: grpc.gcp.AltsContext
+	nil,                         // 1: grpc.gcp.AltsContext.PeerAttributesEntry
+	(SecurityLevel)(0),          // 2: grpc.gcp.SecurityLevel
+	(*RpcProtocolVersions)(nil), // 3: grpc.gcp.RpcProtocolVersions
+}
+var file_grpc_gcp_altscontext_proto_depIdxs = []int32{
+	2, // 0: grpc.gcp.AltsContext.security_level:type_name -> grpc.gcp.SecurityLevel
+	3, // 1: grpc.gcp.AltsContext.peer_rpc_versions:type_name -> grpc.gcp.RpcProtocolVersions
+	1, // 2: grpc.gcp.AltsContext.peer_attributes:type_name -> grpc.gcp.AltsContext.PeerAttributesEntry
+	3, // [3:3] is the sub-list for method output_type
+	3, // [3:3] is the sub-list for method input_type
+	3, // [3:3] is the sub-list for extension type_name
+	3, // [3:3] is the sub-list for extension extendee
+	0, // [0:3] is the sub-list for field type_name
+}
+
+func init() { file_grpc_gcp_altscontext_proto_init() }
+func file_grpc_gcp_altscontext_proto_init() {
+	if File_grpc_gcp_altscontext_proto != nil {
+		return
+	}
+	file_grpc_gcp_transport_security_common_proto_init()
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: unsafe.Slice(unsafe.StringData(file_grpc_gcp_altscontext_proto_rawDesc), len(file_grpc_gcp_altscontext_proto_rawDesc)),
+			NumEnums:      0,
+			NumMessages:   2,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_grpc_gcp_altscontext_proto_goTypes,
+		DependencyIndexes: file_grpc_gcp_altscontext_proto_depIdxs,
+		MessageInfos:      file_grpc_gcp_altscontext_proto_msgTypes,
+	}.Build()
+	File_grpc_gcp_altscontext_proto = out.File
+	file_grpc_gcp_altscontext_proto_goTypes = nil
+	file_grpc_gcp_altscontext_proto_depIdxs = nil
+}

credentials/alts/internal/proto/grpc_gcp/handshaker_grpc.pb.go

@@ -0,0 +1,144 @@
+// Copyright 2018 The gRPC Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// The canonical version of this proto can be found at
+// https://github.com/grpc/grpc-proto/blob/master/grpc/gcp/handshaker.proto
+
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.6.2
+// - protoc             v5.27.1
+// source: grpc/gcp/handshaker.proto
+
+package grpc_gcp
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.64.0 or later.
+const _ = grpc.SupportPackageIsVersion9
+
+const (
+	HandshakerService_DoHandshake_FullMethodName = "/grpc.gcp.HandshakerService/DoHandshake"
+)
+
+// HandshakerServiceClient is the client API for HandshakerService service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+type HandshakerServiceClient interface {
+	// Handshaker service accepts a stream of handshaker request, returning a
+	// stream of handshaker response. Client is expected to send exactly one
+	// message with either client_start or server_start followed by one or more
+	// messages with next. Each time client sends a request, the handshaker
+	// service expects to respond. Client does not have to wait for service's
+	// response before sending next request.
+	DoHandshake(ctx context.Context, opts ...grpc.CallOption) (grpc.BidiStreamingClient[HandshakerReq, HandshakerResp], error)
+}
+
+type handshakerServiceClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewHandshakerServiceClient(cc grpc.ClientConnInterface) HandshakerServiceClient {
+	return &handshakerServiceClient{cc}
+}
+
+func (c *handshakerServiceClient) DoHandshake(ctx context.Context, opts ...grpc.CallOption) (grpc.BidiStreamingClient[HandshakerReq, HandshakerResp], error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	stream, err := c.cc.NewStream(ctx, &HandshakerService_ServiceDesc.Streams[0], HandshakerService_DoHandshake_FullMethodName, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &grpc.GenericClientStream[HandshakerReq, HandshakerResp]{ClientStream: stream}
+	return x, nil
+}
+
+// This type alias is provided for backwards compatibility with existing code that references the prior non-generic stream type by name.
+type HandshakerService_DoHandshakeClient = grpc.BidiStreamingClient[HandshakerReq, HandshakerResp]
+
+// HandshakerServiceServer is the server API for HandshakerService service.
+// All implementations must embed UnimplementedHandshakerServiceServer
+// for forward compatibility.
+type HandshakerServiceServer interface {
+	// Handshaker service accepts a stream of handshaker request, returning a
+	// stream of handshaker response. Client is expected to send exactly one
+	// message with either client_start or server_start followed by one or more
+	// messages with next. Each time client sends a request, the handshaker
+	// service expects to respond. Client does not have to wait for service's
+	// response before sending next request.
+	DoHandshake(grpc.BidiStreamingServer[HandshakerReq, HandshakerResp]) error
+	mustEmbedUnimplementedHandshakerServiceServer()
+}
+
+// UnimplementedHandshakerServiceServer must be embedded to have
+// forward compatible implementations.
+//
+// NOTE: this should be embedded by value instead of pointer to avoid a nil
+// pointer dereference when methods are called.
+type UnimplementedHandshakerServiceServer struct{}
+
+func (UnimplementedHandshakerServiceServer) DoHandshake(grpc.BidiStreamingServer[HandshakerReq, HandshakerResp]) error {
+	return status.Error(codes.Unimplemented, "method DoHandshake not implemented")
+}
+func (UnimplementedHandshakerServiceServer) mustEmbedUnimplementedHandshakerServiceServer() {}
+func (UnimplementedHandshakerServiceServer) testEmbeddedByValue()                           {}
+
+// UnsafeHandshakerServiceServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to HandshakerServiceServer will
+// result in compilation errors.
+type UnsafeHandshakerServiceServer interface {
+	mustEmbedUnimplementedHandshakerServiceServer()
+}
+
+func RegisterHandshakerServiceServer(s grpc.ServiceRegistrar, srv HandshakerServiceServer) {
+	// If the following call panics, it indicates UnimplementedHandshakerServiceServer was
+	// embedded by pointer and is nil.  This will cause panics if an
+	// unimplemented method is ever invoked, so we test this at initialization
+	// time to prevent it from happening at runtime later due to I/O.
+	if t, ok := srv.(interface{ testEmbeddedByValue() }); ok {
+		t.testEmbeddedByValue()
+	}
+	s.RegisterService(&HandshakerService_ServiceDesc, srv)
+}
+
+func _HandshakerService_DoHandshake_Handler(srv interface{}, stream grpc.ServerStream) error {
+	return srv.(HandshakerServiceServer).DoHandshake(&grpc.GenericServerStream[HandshakerReq, HandshakerResp]{ServerStream: stream})
+}
+
+// This type alias is provided for backwards compatibility with existing code that references the prior non-generic stream type by name.
+type HandshakerService_DoHandshakeServer = grpc.BidiStreamingServer[HandshakerReq, HandshakerResp]
+
+// HandshakerService_ServiceDesc is the grpc.ServiceDesc for HandshakerService service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var HandshakerService_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "grpc.gcp.HandshakerService",
+	HandlerType: (*HandshakerServiceServer)(nil),
+	Methods:     []grpc.MethodDesc{},
+	Streams: []grpc.StreamDesc{
+		{
+			StreamName:    "DoHandshake",
+			Handler:       _HandshakerService_DoHandshake_Handler,
+			ServerStreams: true,
+			ClientStreams: true,
+		},
+	},
+	Metadata: "grpc/gcp/handshaker.proto",
+}

credentials/alts/internal/proto/grpc_gcp/transport_security_common.pb.go

@@ -0,0 +1,366 @@
+// Copyright 2018 The gRPC Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// The canonical version of this proto can be found at
+// https://github.com/grpc/grpc-proto/blob/master/grpc/gcp/transport_security_common.proto
+
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.36.12
+// 	protoc        v5.27.1
+// source: grpc/gcp/transport_security_common.proto
+
+package grpc_gcp
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+	unsafe "unsafe"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+// The security level of the created channel. The list is sorted in increasing
+// level of security. This order must always be maintained.
+type SecurityLevel int32
+
+const (
+	SecurityLevel_SECURITY_NONE         SecurityLevel = 0
+	SecurityLevel_INTEGRITY_ONLY        SecurityLevel = 1
+	SecurityLevel_INTEGRITY_AND_PRIVACY SecurityLevel = 2
+)
+
+// Enum value maps for SecurityLevel.
+var (
+	SecurityLevel_name = map[int32]string{
+		0: "SECURITY_NONE",
+		1: "INTEGRITY_ONLY",
+		2: "INTEGRITY_AND_PRIVACY",
+	}
+	SecurityLevel_value = map[string]int32{
+		"SECURITY_NONE":         0,
+		"INTEGRITY_ONLY":        1,
+		"INTEGRITY_AND_PRIVACY": 2,
+	}
+)
+
+func (x SecurityLevel) Enum() *SecurityLevel {
+	p := new(SecurityLevel)
+	*p = x
+	return p
+}
+
+func (x SecurityLevel) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (SecurityLevel) Descriptor() protoreflect.EnumDescriptor {
+	return file_grpc_gcp_transport_security_common_proto_enumTypes[0].Descriptor()
+}
+
+func (SecurityLevel) Type() protoreflect.EnumType {
+	return &file_grpc_gcp_transport_security_common_proto_enumTypes[0]
+}
+
+func (x SecurityLevel) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use SecurityLevel.Descriptor instead.
+func (SecurityLevel) EnumDescriptor() ([]byte, []int) {
+	return file_grpc_gcp_transport_security_common_proto_rawDescGZIP(), []int{0}
+}
+
+// Max and min supported RPC protocol versions.
+type RpcProtocolVersions struct {
+	state protoimpl.MessageState `protogen:"open.v1"`
+	// Maximum supported RPC version.
+	MaxRpcVersion *RpcProtocolVersions_Version `protobuf:"bytes,1,opt,name=max_rpc_version,json=maxRpcVersion,proto3" json:"max_rpc_version,omitempty"`
+	// Minimum supported RPC version.
+	MinRpcVersion *RpcProtocolVersions_Version `protobuf:"bytes,2,opt,name=min_rpc_version,json=minRpcVersion,proto3" json:"min_rpc_version,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *RpcProtocolVersions) Reset() {
+	*x = RpcProtocolVersions{}
+	mi := &file_grpc_gcp_transport_security_common_proto_msgTypes[0]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *RpcProtocolVersions) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RpcProtocolVersions) ProtoMessage() {}
+
+func (x *RpcProtocolVersions) ProtoReflect() protoreflect.Message {
+	mi := &file_grpc_gcp_transport_security_common_proto_msgTypes[0]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RpcProtocolVersions.ProtoReflect.Descriptor instead.
+func (*RpcProtocolVersions) Descriptor() ([]byte, []int) {
+	return file_grpc_gcp_transport_security_common_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *RpcProtocolVersions) GetMaxRpcVersion() *RpcProtocolVersions_Version {
+	if x != nil {
+		return x.MaxRpcVersion
+	}
+	return nil
+}
+
+func (x *RpcProtocolVersions) GetMinRpcVersion() *RpcProtocolVersions_Version {
+	if x != nil {
+		return x.MinRpcVersion
+	}
+	return nil
+}
+
+// The ordered list of protocols that the client wishes to use, or the set
+// that the server supports.
+type TransportProtocolPreferences struct {
+	state             protoimpl.MessageState `protogen:"open.v1"`
+	TransportProtocol []string               `protobuf:"bytes,1,rep,name=transport_protocol,json=transportProtocol,proto3" json:"transport_protocol,omitempty"`
+	unknownFields     protoimpl.UnknownFields
+	sizeCache         protoimpl.SizeCache
+}
+
+func (x *TransportProtocolPreferences) Reset() {
+	*x = TransportProtocolPreferences{}
+	mi := &file_grpc_gcp_transport_security_common_proto_msgTypes[1]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *TransportProtocolPreferences) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*TransportProtocolPreferences) ProtoMessage() {}
+
+func (x *TransportProtocolPreferences) ProtoReflect() protoreflect.Message {
+	mi := &file_grpc_gcp_transport_security_common_proto_msgTypes[1]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use TransportProtocolPreferences.ProtoReflect.Descriptor instead.
+func (*TransportProtocolPreferences) Descriptor() ([]byte, []int) {
+	return file_grpc_gcp_transport_security_common_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *TransportProtocolPreferences) GetTransportProtocol() []string {
+	if x != nil {
+		return x.TransportProtocol
+	}
+	return nil
+}
+
+// The negotiated transport protocol.
+type NegotiatedTransportProtocol struct {
+	state             protoimpl.MessageState `protogen:"open.v1"`
+	TransportProtocol string                 `protobuf:"bytes,1,opt,name=transport_protocol,json=transportProtocol,proto3" json:"transport_protocol,omitempty"`
+	unknownFields     protoimpl.UnknownFields
+	sizeCache         protoimpl.SizeCache
+}
+
+func (x *NegotiatedTransportProtocol) Reset() {
+	*x = NegotiatedTransportProtocol{}
+	mi := &file_grpc_gcp_transport_security_common_proto_msgTypes[2]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *NegotiatedTransportProtocol) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*NegotiatedTransportProtocol) ProtoMessage() {}
+
+func (x *NegotiatedTransportProtocol) ProtoReflect() protoreflect.Message {
+	mi := &file_grpc_gcp_transport_security_common_proto_msgTypes[2]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use NegotiatedTransportProtocol.ProtoReflect.Descriptor instead.
+func (*NegotiatedTransportProtocol) Descriptor() ([]byte, []int) {
+	return file_grpc_gcp_transport_security_common_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *NegotiatedTransportProtocol) GetTransportProtocol() string {
+	if x != nil {
+		return x.TransportProtocol
+	}
+	return ""
+}
+
+// RPC version contains a major version and a minor version.
+type RpcProtocolVersions_Version struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Major         uint32                 `protobuf:"varint,1,opt,name=major,proto3" json:"major,omitempty"`
+	Minor         uint32                 `protobuf:"varint,2,opt,name=minor,proto3" json:"minor,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *RpcProtocolVersions_Version) Reset() {
+	*x = RpcProtocolVersions_Version{}
+	mi := &file_grpc_gcp_transport_security_common_proto_msgTypes[3]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *RpcProtocolVersions_Version) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RpcProtocolVersions_Version) ProtoMessage() {}
+
+func (x *RpcProtocolVersions_Version) ProtoReflect() protoreflect.Message {
+	mi := &file_grpc_gcp_transport_security_common_proto_msgTypes[3]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RpcProtocolVersions_Version.ProtoReflect.Descriptor instead.
+func (*RpcProtocolVersions_Version) Descriptor() ([]byte, []int) {
+	return file_grpc_gcp_transport_security_common_proto_rawDescGZIP(), []int{0, 0}
+}
+
+func (x *RpcProtocolVersions_Version) GetMajor() uint32 {
+	if x != nil {
+		return x.Major
+	}
+	return 0
+}
+
+func (x *RpcProtocolVersions_Version) GetMinor() uint32 {
+	if x != nil {
+		return x.Minor
+	}
+	return 0
+}
+
+var File_grpc_gcp_transport_security_common_proto protoreflect.FileDescriptor
+
+const file_grpc_gcp_transport_security_common_proto_rawDesc = "" +
+	"\n" +
+	"(grpc/gcp/transport_security_common.proto\x12\bgrpc.gcp\"\xea\x01\n" +
+	"\x13RpcProtocolVersions\x12M\n" +
+	"\x0fmax_rpc_version\x18\x01 \x01(\v2%.grpc.gcp.RpcProtocolVersions.VersionR\rmaxRpcVersion\x12M\n" +
+	"\x0fmin_rpc_version\x18\x02 \x01(\v2%.grpc.gcp.RpcProtocolVersions.VersionR\rminRpcVersion\x1a5\n" +
+	"\aVersion\x12\x14\n" +
+	"\x05major\x18\x01 \x01(\rR\x05major\x12\x14\n" +
+	"\x05minor\x18\x02 \x01(\rR\x05minor\"M\n" +
+	"\x1cTransportProtocolPreferences\x12-\n" +
+	"\x12transport_protocol\x18\x01 \x03(\tR\x11transportProtocol\"L\n" +
+	"\x1bNegotiatedTransportProtocol\x12-\n" +
+	"\x12transport_protocol\x18\x01 \x01(\tR\x11transportProtocol*Q\n" +
+	"\rSecurityLevel\x12\x11\n" +
+	"\rSECURITY_NONE\x10\x00\x12\x12\n" +
+	"\x0eINTEGRITY_ONLY\x10\x01\x12\x19\n" +
+	"\x15INTEGRITY_AND_PRIVACY\x10\x02Bx\n" +
+	"\x15io.grpc.alts.internalB\x1cTransportSecurityCommonProtoP\x01Z?google.golang.org/grpc/credentials/alts/internal/proto/grpc_gcpb\x06proto3"
+
+var (
+	file_grpc_gcp_transport_security_common_proto_rawDescOnce sync.Once
+	file_grpc_gcp_transport_security_common_proto_rawDescData []byte
+)
+
+func file_grpc_gcp_transport_security_common_proto_rawDescGZIP() []byte {
+	file_grpc_gcp_transport_security_common_proto_rawDescOnce.Do(func() {
+		file_grpc_gcp_transport_security_common_proto_rawDescData = protoimpl.X.CompressGZIP(unsafe.Slice(unsafe.StringData(file_grpc_gcp_transport_security_common_proto_rawDesc), len(file_grpc_gcp_transport_security_common_proto_rawDesc)))
+	})
+	return file_grpc_gcp_transport_security_common_proto_rawDescData
+}
+
+var file_grpc_gcp_transport_security_common_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
+var file_grpc_gcp_transport_security_common_proto_msgTypes = make([]protoimpl.MessageInfo, 4)
+var file_grpc_gcp_transport_security_common_proto_goTypes = []any{
+	(SecurityLevel)(0),                   // 0: grpc.gcp.SecurityLevel
+	(*RpcProtocolVersions)(nil),          // 1: grpc.gcp.RpcProtocolVersions
+	(*TransportProtocolPreferences)(nil), // 2: grpc.gcp.TransportProtocolPreferences
+	(*NegotiatedTransportProtocol)(nil),  // 3: grpc.gcp.NegotiatedTransportProtocol
+	(*RpcProtocolVersions_Version)(nil),  // 4: grpc.gcp.RpcProtocolVersions.Version
+}
+var file_grpc_gcp_transport_security_common_proto_depIdxs = []int32{
+	4, // 0: grpc.gcp.RpcProtocolVersions.max_rpc_version:type_name -> grpc.gcp.RpcProtocolVersions.Version
+	4, // 1: grpc.gcp.RpcProtocolVersions.min_rpc_version:type_name -> grpc.gcp.RpcProtocolVersions.Version
+	2, // [2:2] is the sub-list for method output_type
+	2, // [2:2] is the sub-list for method input_type
+	2, // [2:2] is the sub-list for extension type_name
+	2, // [2:2] is the sub-list for extension extendee
+	0, // [0:2] is the sub-list for field type_name
+}
+
+func init() { file_grpc_gcp_transport_security_common_proto_init() }
+func file_grpc_gcp_transport_security_common_proto_init() {
+	if File_grpc_gcp_transport_security_common_proto != nil {
+		return
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: unsafe.Slice(unsafe.StringData(file_grpc_gcp_transport_security_common_proto_rawDesc), len(file_grpc_gcp_transport_security_common_proto_rawDesc)),
+			NumEnums:      1,
+			NumMessages:   4,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_grpc_gcp_transport_security_common_proto_goTypes,
+		DependencyIndexes: file_grpc_gcp_transport_security_common_proto_depIdxs,
+		EnumInfos:         file_grpc_gcp_transport_security_common_proto_enumTypes,
+		MessageInfos:      file_grpc_gcp_transport_security_common_proto_msgTypes,
+	}.Build()
+	File_grpc_gcp_transport_security_common_proto = out.File
+	file_grpc_gcp_transport_security_common_proto_goTypes = nil
+	file_grpc_gcp_transport_security_common_proto_depIdxs = nil
+}