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// Copyright 2021 Google LLC
//
// 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
//
// https://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.
syntax = "proto3";
package s2a.proto;
option go_package = "github.com/google/s2a/internal/proto/s2a_context_go_proto";
import "internal/proto/common/common.proto";
message S2AContext {
// The application protocol negotiated for this connection, e.g., 'grpc'.
string application_protocol = 1;
// The TLS version number that the S2A's handshaker module used to set up the
// session.
TLSVersion tls_version = 2;
// The TLS ciphersuite negotiated by the S2A's handshaker module.
Ciphersuite ciphersuite = 3;
// The authenticated identity of the peer.
Identity peer_identity = 4;
// The local identity used during session setup. This could be:
// - The local identity that the client specifies in ClientSessionStartReq.
// - One of the local identities that the server specifies in
// ServerSessionStartReq.
// - If neither client or server specifies local identities, the S2A picks the
// default one. In this case, this field will contain that identity.
Identity local_identity = 5;
// The SHA256 hash of the peer certificate used in the handshake.
bytes peer_cert_fingerprint = 6;
// The SHA256 hash of the local certificate used in the handshake.
bytes local_cert_fingerprint = 7;
// Set to true if a cached session was reused to resume the handshake.
bool is_handshake_resumed = 8;
}
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