blob: 2342fc817fdd0e0dc08dbcee9acf6150e98cd496 [file] [log] [blame]
// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/test/key_util.h"
#include <string>
#include <utility>
#include "base/files/file_util.h"
#include "base/logging.h"
#include "net/ssl/openssl_private_key.h"
#include "net/ssl/ssl_private_key.h"
#include "third_party/boringssl/src/include/openssl/bio.h"
#include "third_party/boringssl/src/include/openssl/evp.h"
#include "third_party/boringssl/src/include/openssl/pem.h"
namespace net::key_util {
bssl::UniquePtr<EVP_PKEY> LoadEVP_PKEYFromPEM(const base::FilePath& filepath) {
std::string data;
if (!base::ReadFileToString(filepath, &data)) {
LOG(ERROR) << "Could not read private key file: " << filepath.value();
return nullptr;
bssl::UniquePtr<BIO> bio(BIO_new_mem_buf(const_cast<char*>(,
if (!bio) {
LOG(ERROR) << "Could not allocate BIO for buffer?";
return nullptr;
bssl::UniquePtr<EVP_PKEY> result(
PEM_read_bio_PrivateKey(bio.get(), nullptr, nullptr, nullptr));
if (!result) {
LOG(ERROR) << "Could not decode private key file: " << filepath.value();
return nullptr;
return result;
std::string PEMFromPrivateKey(EVP_PKEY* key) {
bssl::UniquePtr<BIO> temp_memory_bio(BIO_new(BIO_s_mem()));
if (!temp_memory_bio) {
LOG(ERROR) << "Failed to allocate temporary memory bio";
return std::string();
if (!PEM_write_bio_PrivateKey(temp_memory_bio.get(), key, nullptr, nullptr, 0,
nullptr, nullptr)) {
LOG(ERROR) << "Failed to write private key";
return std::string();
const uint8_t* buffer;
size_t len;
if (!BIO_mem_contents(temp_memory_bio.get(), &buffer, &len)) {
LOG(ERROR) << "BIO_mem_contents failed";
return std::string();
return std::string(reinterpret_cast<const char*>(buffer), len);
scoped_refptr<SSLPrivateKey> LoadPrivateKeyOpenSSL(
const base::FilePath& filepath) {
bssl::UniquePtr<EVP_PKEY> key = LoadEVP_PKEYFromPEM(filepath);
if (!key)
return nullptr;
return WrapOpenSSLPrivateKey(std::move(key));
} // namespace net::key_util