chromium/third_party/grpc/src/src/core/tsi/alts/frame_protector/alts_unseal_privacy_integrity_crypter.cc

//
//
// Copyright 2018 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.
//
//

#include <grpc/support/port_platform.h>

#include <grpc/support/alloc.h>

#include "src/core/tsi/alts/frame_protector/alts_counter.h"
#include "src/core/tsi/alts/frame_protector/alts_crypter.h"
#include "src/core/tsi/alts/frame_protector/alts_record_protocol_crypter_common.h"

static void maybe_copy_error_msg(const char* src, char** dst) { … }

// Perform input santity check.
static grpc_status_code unseal_check(alts_crypter* c, const unsigned char* data,
                                     size_t /*data_allocated_size*/,
                                     size_t data_size, size_t* output_size,
                                     char** error_details) { … }

static grpc_status_code alts_unseal_crypter_process_in_place(
    alts_crypter* c, unsigned char* data, size_t data_allocated_size,
    size_t data_size, size_t* output_size, char** error_details) { … }

static const alts_crypter_vtable vtable = …;

grpc_status_code alts_unseal_crypter_create(gsec_aead_crypter* gc,
                                            bool is_client,
                                            size_t overflow_size,
                                            alts_crypter** crypter,
                                            char** error_details) { … }