| // Copyright 2021 The ChromiumOS Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <stdint.h> |
| |
| #include <cstddef> |
| #include <cstdlib> |
| #include <memory> |
| #include <optional> |
| #include <string> |
| |
| #include <absl/strings/numbers.h> |
| #include <base/at_exit.h> |
| #include <base/containers/span.h> |
| #include <base/files/file_path.h> |
| #include <base/files/file_util.h> |
| #include <base/functional/bind.h> |
| #include <base/json/json_reader.h> |
| #include <base/json/json_writer.h> |
| #include <base/logging.h> |
| #include <base/no_destructor.h> |
| #include <base/strings/string_number_conversions.h> |
| #include <brillo/cryptohome.h> |
| #include <brillo/dbus/dbus_connection.h> |
| #include <brillo/flag_helper.h> |
| #include <brillo/secure_blob.h> |
| #include <brillo/syslog_logging.h> |
| #include <cryptohome/proto_bindings/UserDataAuth.pb.h> |
| #include <libhwsec/factory/factory.h> |
| #include <libhwsec/factory/factory_impl.h> |
| #include <libhwsec-foundation/crypto/secure_blob_util.h> |
| #include <libhwsec-foundation/crypto/sha.h> |
| #include <user_data_auth-client/user_data_auth/dbus-proxies.h> |
| |
| #include "cryptohome/auth_factor/types/password.h" |
| #include "cryptohome/cryptorecovery/fake_recovery_mediator_crypto.h" |
| #include "cryptohome/cryptorecovery/recovery_crypto_hsm_cbor_serialization.h" |
| #include "cryptohome/cryptorecovery/recovery_crypto_impl.h" |
| #include "cryptohome/cryptorecovery/recovery_crypto_util.h" |
| #include "cryptohome/error/cryptohome_crypto_error.h" |
| #include "cryptohome/features.h" |
| #include "cryptohome/filesystem_layout.h" |
| #include "cryptohome/key_objects.h" |
| #include "cryptohome/platform.h" |
| #include "cryptohome/username.h" |
| |
| using base::FilePath; |
| using brillo::SecureBlob; |
| using cryptohome::cryptorecovery::CryptoRecoveryEpochResponse; |
| using cryptohome::cryptorecovery::CryptoRecoveryRpcRequest; |
| using cryptohome::cryptorecovery::CryptoRecoveryRpcResponse; |
| using cryptohome::cryptorecovery::DecryptResponsePayloadRequest; |
| using cryptohome::cryptorecovery::FakeRecoveryMediatorCrypto; |
| using cryptohome::cryptorecovery::HsmAssociatedData; |
| using cryptohome::cryptorecovery::HsmPayload; |
| using cryptohome::cryptorecovery::HsmResponsePlainText; |
| using cryptohome::cryptorecovery::LedgerInfo; |
| using cryptohome::cryptorecovery::OnboardingMetadata; |
| using cryptohome::cryptorecovery::RecoveryCryptoImpl; |
| using cryptohome::cryptorecovery::RecoveryRequest; |
| using cryptohome::cryptorecovery::RequestMetadata; |
| using cryptohome::cryptorecovery::ResponsePayload; |
| |
| namespace cryptohome { |
| namespace { |
| |
| const ObfuscatedUsername& GetTestObfuscatedUsername() { |
| base::NoDestructor<ObfuscatedUsername> kValue("OBFUSCATED_USERNAME"); |
| return *kValue; |
| } |
| |
| constexpr char kFakeGaiaId[] = "123456789012345678901"; |
| constexpr char kFakeUserDeviceId[] = "fake_user_device_id"; |
| constexpr char kLedgerInfoNameKey[] = "name"; |
| constexpr char kLedgerInfoKeyHashKey[] = "key_hash"; |
| constexpr char kLedgerInfoPubKeyKey[] = "public_key"; |
| |
| bool GenerateOnboardingMetadata(const FilePath& file_path, |
| RecoveryCryptoImpl* recovery_crypto, |
| OnboardingMetadata* onboarding_metadata) { |
| if (!recovery_crypto) { |
| return false; |
| } |
| std::string recovery_id = |
| recovery_crypto->LoadStoredRecoveryIdFromFile(file_path); |
| if (recovery_id.empty()) { |
| return false; |
| } |
| recovery_crypto->GenerateOnboardingMetadata(kFakeGaiaId, kFakeUserDeviceId, |
| recovery_id, onboarding_metadata); |
| return true; |
| } |
| |
| // Note: This function is not thread safe. |
| const hwsec::RecoveryCryptoFrontend* GetRecoveryCryptoFrontend() { |
| static std::unique_ptr<hwsec::Factory> hwsec_factory; |
| static std::unique_ptr<const hwsec::RecoveryCryptoFrontend> recovery_crypto; |
| if (!hwsec_factory) { |
| hwsec_factory = std::make_unique<hwsec::FactoryImpl>(); |
| recovery_crypto = hwsec_factory->GetRecoveryCryptoFrontend(); |
| } |
| return recovery_crypto.get(); |
| } |
| |
| std::optional<LedgerInfo> LoadLedgerInfoFromJsonFile( |
| const FilePath& file_path) { |
| std::string contents_string; |
| if (!base::ReadFileToString(file_path, &contents_string)) { |
| LOG(ERROR) << "Failed to read from file " << file_path.value() << "."; |
| return std::nullopt; |
| } |
| if (contents_string.empty()) { |
| LOG(ERROR) << "File is empty: " << file_path.value() << "."; |
| return std::nullopt; |
| } |
| auto result = base::JSONReader::Read(contents_string); |
| if (!result || !result->is_dict()) { |
| LOG(ERROR) << "Could not read JSON content: " << contents_string; |
| return std::nullopt; |
| } |
| auto name = result->GetDict().FindString(kLedgerInfoNameKey); |
| auto key_hash = result->GetDict().FindString(kLedgerInfoKeyHashKey); |
| auto public_key = result->GetDict().FindString(kLedgerInfoPubKeyKey); |
| if (!name || !key_hash || !public_key) { |
| LOG(ERROR) << "Could not read JSON fields: " << contents_string; |
| return std::nullopt; |
| } |
| uint32_t key_hash_val; |
| if (!absl::SimpleAtoi(*key_hash, &key_hash_val)) { |
| LOG(ERROR) << "key_hash is not a number: " << key_hash; |
| return std::nullopt; |
| } |
| return LedgerInfo{.name = *name, |
| .key_hash = key_hash_val, |
| .public_key = SecureBlob(*public_key)}; |
| } |
| |
| bool CheckMandatoryFlag(const std::string& flag_name, |
| const std::string& flag_value) { |
| if (!flag_value.empty()) |
| return true; |
| LOG(ERROR) << "--" << flag_name << " is mandatory."; |
| return false; |
| } |
| |
| bool ReadHexFileToSecureBlobLogged(const FilePath& file_path, |
| SecureBlob* contents) { |
| std::string contents_string; |
| if (!base::ReadFileToString(file_path, &contents_string)) { |
| LOG(ERROR) << "Failed to read from file " << file_path.value() << "."; |
| return false; |
| } |
| if (contents_string.empty()) { |
| // The content of the file is empty. Return with empty SecureBlob. |
| contents->clear(); |
| return true; |
| } |
| if (!SecureBlob::HexStringToSecureBlob(contents_string, contents)) { |
| LOG(ERROR) << "Failed to convert hex to SecureBlob from file " |
| << file_path.value() << "."; |
| return false; |
| } |
| return true; |
| } |
| |
| bool WriteHexFileLogged(const FilePath& file_path, const SecureBlob& contents) { |
| if (base::WriteFile(file_path, hwsec_foundation::SecureBlobToHex(contents))) |
| return true; |
| LOG(ERROR) << "Failed to write to file " << file_path.value() << "."; |
| return false; |
| } |
| |
| bool DoRecoveryCryptoCreateHsmPayloadAction( |
| const FilePath& mediator_pub_key_in_file_path, |
| const FilePath& rsa_priv_key_out_file_path, |
| const FilePath& destination_share_out_file_path, |
| const FilePath& extended_pcr_bound_destination_share_out_file_path, |
| const FilePath& channel_pub_key_out_file_path, |
| const FilePath& channel_priv_key_out_file_path, |
| const FilePath& serialized_hsm_payload_out_file_path, |
| const FilePath& recovery_secret_out_file_path, |
| const FilePath& recovery_id_file_path, |
| cryptohome::Platform* platform) { |
| std::unique_ptr<RecoveryCryptoImpl> recovery_crypto = |
| RecoveryCryptoImpl::Create(GetRecoveryCryptoFrontend(), platform); |
| if (!recovery_crypto) { |
| LOG(ERROR) << "Failed to create recovery crypto object."; |
| return false; |
| } |
| SecureBlob mediator_pub_key; |
| if (mediator_pub_key_in_file_path.empty()) { |
| CHECK(FakeRecoveryMediatorCrypto::GetFakeMediatorPublicKey( |
| &mediator_pub_key)); |
| } else if (!ReadHexFileToSecureBlobLogged(mediator_pub_key_in_file_path, |
| &mediator_pub_key)) { |
| return false; |
| } |
| |
| // Generates a new recovery_id to be persisted on a chromebook. |
| if (!recovery_crypto->GenerateRecoveryIdToFile(recovery_id_file_path)) { |
| LOG(ERROR) << "Failed to generate a new recovery_id."; |
| return false; |
| } |
| // Generates HSM payload that would be persisted on a chromebook. |
| OnboardingMetadata onboarding_metadata; |
| if (!GenerateOnboardingMetadata(recovery_id_file_path, recovery_crypto.get(), |
| &onboarding_metadata)) { |
| LOG(ERROR) << "Unable to generate OnboardingMetadata."; |
| return false; |
| } |
| cryptorecovery::GenerateHsmPayloadRequest generate_hsm_payload_request( |
| {.mediator_pub_key = mediator_pub_key, |
| .onboarding_metadata = onboarding_metadata, |
| .obfuscated_username = GetTestObfuscatedUsername()}); |
| cryptorecovery::GenerateHsmPayloadResponse generate_hsm_payload_response; |
| if (!recovery_crypto->GenerateHsmPayload(generate_hsm_payload_request, |
| &generate_hsm_payload_response)) { |
| return false; |
| } |
| |
| SecureBlob serialized_hsm_payload; |
| if (!SerializeHsmPayloadToCbor(generate_hsm_payload_response.hsm_payload, |
| &serialized_hsm_payload)) { |
| LOG(ERROR) << "Failed to serialize HSM payload."; |
| return false; |
| } |
| |
| return WriteHexFileLogged( |
| rsa_priv_key_out_file_path, |
| generate_hsm_payload_response.encrypted_rsa_priv_key) && |
| WriteHexFileLogged( |
| destination_share_out_file_path, |
| generate_hsm_payload_response.encrypted_destination_share) && |
| WriteHexFileLogged(extended_pcr_bound_destination_share_out_file_path, |
| generate_hsm_payload_response |
| .extended_pcr_bound_destination_share) && |
| WriteHexFileLogged(channel_pub_key_out_file_path, |
| generate_hsm_payload_response.channel_pub_key) && |
| WriteHexFileLogged( |
| channel_priv_key_out_file_path, |
| generate_hsm_payload_response.encrypted_channel_priv_key) && |
| WriteHexFileLogged(serialized_hsm_payload_out_file_path, |
| serialized_hsm_payload) && |
| WriteHexFileLogged(recovery_secret_out_file_path, |
| generate_hsm_payload_response.recovery_key); |
| } |
| |
| bool DoRecoveryCryptoCreateRecoveryRequestAction( |
| const FilePath& gaia_rapt_in_file_path, |
| const FilePath& epoch_response_in_file_path, |
| const FilePath& rsa_priv_key_in_file_path, |
| const FilePath& channel_pub_key_in_file_path, |
| const FilePath& channel_priv_key_in_file_path, |
| const FilePath& serialized_hsm_payload_in_file_path, |
| const FilePath& ephemeral_pub_key_out_file_path, |
| const FilePath& recovery_request_out_file_path, |
| Platform* platform) { |
| SecureBlob rsa_priv_key; |
| SecureBlob channel_pub_key; |
| SecureBlob channel_priv_key; |
| SecureBlob serialized_hsm_payload; |
| if (!ReadHexFileToSecureBlobLogged(rsa_priv_key_in_file_path, |
| &rsa_priv_key) || |
| !ReadHexFileToSecureBlobLogged(channel_pub_key_in_file_path, |
| &channel_pub_key) || |
| !ReadHexFileToSecureBlobLogged(channel_priv_key_in_file_path, |
| &channel_priv_key) || |
| !ReadHexFileToSecureBlobLogged(serialized_hsm_payload_in_file_path, |
| &serialized_hsm_payload)) { |
| return false; |
| } |
| |
| HsmPayload hsm_payload; |
| if (!DeserializeHsmPayloadFromCbor(serialized_hsm_payload, &hsm_payload)) { |
| LOG(ERROR) << "Failed to deserialize HSM payload."; |
| return false; |
| } |
| |
| std::unique_ptr<RecoveryCryptoImpl> recovery_crypto = |
| RecoveryCryptoImpl::Create(GetRecoveryCryptoFrontend(), platform); |
| if (!recovery_crypto) { |
| LOG(ERROR) << "Failed to create recovery crypto object."; |
| return false; |
| } |
| |
| CryptoRecoveryEpochResponse epoch_response; |
| if (epoch_response_in_file_path.empty()) { |
| CHECK(FakeRecoveryMediatorCrypto::GetFakeEpochResponse(&epoch_response)); |
| } else { |
| SecureBlob epoch_response_bytes; |
| if (!ReadHexFileToSecureBlobLogged(epoch_response_in_file_path, |
| &epoch_response_bytes)) { |
| return false; |
| } |
| if (!epoch_response.ParseFromString(epoch_response_bytes.to_string())) { |
| LOG(ERROR) << "Failed to parse epoch response."; |
| return false; |
| } |
| } |
| |
| RequestMetadata request_metadata; |
| if (!gaia_rapt_in_file_path.empty()) { |
| SecureBlob gaia_rapt; |
| if (!ReadHexFileToSecureBlobLogged(gaia_rapt_in_file_path, &gaia_rapt)) { |
| return false; |
| } |
| request_metadata.auth_claim.gaia_reauth_proof_token = gaia_rapt.to_string(); |
| } |
| cryptorecovery::GenerateRecoveryRequestRequest |
| generate_recovery_request_input_param( |
| {.hsm_payload = hsm_payload, |
| .request_meta_data = request_metadata, |
| .epoch_response = epoch_response, |
| .encrypted_rsa_priv_key = rsa_priv_key, |
| .encrypted_channel_priv_key = channel_priv_key, |
| .channel_pub_key = channel_pub_key, |
| .obfuscated_username = GetTestObfuscatedUsername()}); |
| brillo::SecureBlob ephemeral_pub_key; |
| CryptoRecoveryRpcRequest recovery_request; |
| if (!recovery_crypto->GenerateRecoveryRequest( |
| generate_recovery_request_input_param, &recovery_request, |
| &ephemeral_pub_key)) { |
| return false; |
| } |
| |
| return WriteHexFileLogged(ephemeral_pub_key_out_file_path, |
| ephemeral_pub_key) && |
| WriteHexFileLogged( |
| recovery_request_out_file_path, |
| brillo::SecureBlob(recovery_request.SerializeAsString())); |
| } |
| |
| bool DoRecoveryCryptoMediateAction( |
| const FilePath& recovery_request_in_file_path, |
| const FilePath& recovery_response_out_file_path) { |
| SecureBlob serialized_recovery_request; |
| if (!ReadHexFileToSecureBlobLogged(recovery_request_in_file_path, |
| &serialized_recovery_request)) { |
| return false; |
| } |
| CryptoRecoveryRpcRequest recovery_request; |
| if (!recovery_request.ParseFromString( |
| serialized_recovery_request.to_string())) { |
| LOG(ERROR) << "Failed to parse CryptoRecoveryRpcRequest."; |
| return false; |
| } |
| |
| std::unique_ptr<FakeRecoveryMediatorCrypto> fake_mediator = |
| FakeRecoveryMediatorCrypto::Create(); |
| if (!fake_mediator) { |
| LOG(ERROR) << "Failed to create fake mediator object."; |
| return false; |
| } |
| |
| SecureBlob mediator_priv_key, epoch_pub_key, epoch_priv_key; |
| CHECK(FakeRecoveryMediatorCrypto::GetFakeMediatorPrivateKey( |
| &mediator_priv_key)); |
| CHECK(FakeRecoveryMediatorCrypto::GetFakeEpochPublicKey(&epoch_pub_key)); |
| CHECK(FakeRecoveryMediatorCrypto::GetFakeEpochPrivateKey(&epoch_priv_key)); |
| |
| CryptoRecoveryRpcResponse response_proto; |
| if (!fake_mediator->MediateRequestPayload(epoch_pub_key, epoch_priv_key, |
| mediator_priv_key, recovery_request, |
| &response_proto)) { |
| return false; |
| } |
| |
| return WriteHexFileLogged( |
| recovery_response_out_file_path, |
| brillo::SecureBlob(response_proto.SerializeAsString())); |
| } |
| |
| bool DoRecoveryCryptoDecryptAction( |
| const FilePath& recovery_response_in_file_path, |
| const FilePath& epoch_response_in_file_path, |
| const FilePath& channel_priv_key_in_file_path, |
| const FilePath& ephemeral_pub_key_in_file_path, |
| const FilePath& destination_share_in_file_path, |
| const FilePath& extended_pcr_bound_destination_share_in_file_path, |
| const FilePath& ledger_info_in_file_path, |
| const FilePath& serialized_hsm_payload_in_file_path, |
| const FilePath& recovery_secret_out_file_path, |
| Platform* platform) { |
| SecureBlob recovery_response, ephemeral_pub_key, channel_priv_key, |
| destination_share, extended_pcr_bound_destination_share, |
| serialized_hsm_payload; |
| if (!ReadHexFileToSecureBlobLogged(recovery_response_in_file_path, |
| &recovery_response) || |
| !ReadHexFileToSecureBlobLogged(channel_priv_key_in_file_path, |
| &channel_priv_key) || |
| !ReadHexFileToSecureBlobLogged(ephemeral_pub_key_in_file_path, |
| &ephemeral_pub_key) || |
| !ReadHexFileToSecureBlobLogged(destination_share_in_file_path, |
| &destination_share) || |
| !ReadHexFileToSecureBlobLogged(serialized_hsm_payload_in_file_path, |
| &serialized_hsm_payload) || |
| !ReadHexFileToSecureBlobLogged( |
| extended_pcr_bound_destination_share_in_file_path, |
| &extended_pcr_bound_destination_share)) { |
| return false; |
| } |
| |
| CryptoRecoveryRpcResponse recovery_response_proto; |
| if (!recovery_response_proto.ParseFromString(recovery_response.to_string())) { |
| LOG(ERROR) << "Failed to parse CryptoRecoveryRpcResponse."; |
| return false; |
| } |
| |
| CryptoRecoveryEpochResponse epoch_response; |
| if (epoch_response_in_file_path.empty()) { |
| CHECK(FakeRecoveryMediatorCrypto::GetFakeEpochResponse(&epoch_response)); |
| } else { |
| SecureBlob epoch_response_bytes; |
| if (!ReadHexFileToSecureBlobLogged(epoch_response_in_file_path, |
| &epoch_response_bytes)) { |
| return false; |
| } |
| if (!epoch_response.ParseFromString(epoch_response_bytes.to_string())) { |
| LOG(ERROR) << "Failed to parse epoch response."; |
| return false; |
| } |
| } |
| |
| HsmPayload hsm_payload; |
| if (!DeserializeHsmPayloadFromCbor(serialized_hsm_payload, &hsm_payload)) { |
| LOG(ERROR) << "Failed to deserialize HSM payload."; |
| return false; |
| } |
| |
| HsmAssociatedData hsm_associated_data; |
| if (!DeserializeHsmAssociatedDataFromCbor(hsm_payload.associated_data, |
| &hsm_associated_data)) { |
| LOG(ERROR) << "Failed to deserialize HSM payload AD."; |
| return false; |
| } |
| |
| std::unique_ptr<RecoveryCryptoImpl> recovery_crypto = |
| RecoveryCryptoImpl::Create(GetRecoveryCryptoFrontend(), platform); |
| if (!recovery_crypto) { |
| LOG(ERROR) << "Failed to create recovery crypto object."; |
| return false; |
| } |
| |
| LedgerInfo ledger_info = FakeRecoveryMediatorCrypto::GetFakeLedgerInfo(); |
| if (!ledger_info_in_file_path.empty()) { |
| auto parsed_info = LoadLedgerInfoFromJsonFile(ledger_info_in_file_path); |
| if (!parsed_info) { |
| LOG(ERROR) << "Failed to read ledger info."; |
| return false; |
| } |
| ledger_info = parsed_info.value(); |
| } |
| |
| HsmResponsePlainText response_plain_text; |
| CryptoStatus decrypt_result = recovery_crypto->DecryptResponsePayload( |
| DecryptResponsePayloadRequest( |
| {.encrypted_channel_priv_key = channel_priv_key, |
| .epoch_response = epoch_response, |
| .recovery_response_proto = recovery_response_proto, |
| .obfuscated_username = GetTestObfuscatedUsername(), |
| .ledger_info = ledger_info, |
| .hsm_associated_data = hsm_associated_data}), |
| &response_plain_text); |
| if (!decrypt_result.ok()) { |
| LOG(ERROR) << "Failed to decrypt response payload " |
| << decrypt_result.ToFullString(); |
| return false; |
| } |
| brillo::SecureBlob mediated_recovery_key; |
| if (!recovery_crypto->RecoverDestination( |
| cryptorecovery::RecoverDestinationRequest( |
| {.dealer_pub_key = response_plain_text.dealer_pub_key, |
| .key_auth_value = response_plain_text.key_auth_value, |
| .encrypted_destination_share = destination_share, |
| .extended_pcr_bound_destination_share = |
| extended_pcr_bound_destination_share, |
| .ephemeral_pub_key = ephemeral_pub_key, |
| .mediated_publisher_pub_key = response_plain_text.mediated_point, |
| .obfuscated_username = GetTestObfuscatedUsername()}), |
| &mediated_recovery_key)) { |
| return false; |
| } |
| |
| return WriteHexFileLogged(recovery_secret_out_file_path, |
| mediated_recovery_key); |
| } |
| |
| bool DoRecoveryCryptoGetFakeEpochAction( |
| const FilePath& epoch_response_out_file_path) { |
| CryptoRecoveryEpochResponse epoch_response; |
| CHECK(FakeRecoveryMediatorCrypto::GetFakeEpochResponse(&epoch_response)); |
| return WriteHexFileLogged( |
| epoch_response_out_file_path, |
| brillo::SecureBlob(epoch_response.SerializeAsString())); |
| } |
| |
| bool DoRecoveryCryptoGetFakeMediatorPublicKeyAction( |
| const FilePath& mediator_pub_key_out_file_path) { |
| SecureBlob mediator_pub_key; |
| CHECK( |
| FakeRecoveryMediatorCrypto::GetFakeMediatorPublicKey(&mediator_pub_key)); |
| return WriteHexFileLogged(mediator_pub_key_out_file_path, mediator_pub_key); |
| } |
| |
| bool DoRecoveryCryptoGetLedgerInfoAction( |
| const FilePath& ledger_info_out_file_path) { |
| LedgerInfo ledger_info = FakeRecoveryMediatorCrypto::GetFakeLedgerInfo(); |
| auto dict = |
| base::Value::Dict() |
| .Set(kLedgerInfoNameKey, ledger_info.name) |
| // Convert the key hash to string, for easier parsing by the test, |
| // since it doesn't need to read/change the content. |
| .Set(kLedgerInfoKeyHashKey, std::to_string(*ledger_info.key_hash)) |
| .Set(kLedgerInfoPubKeyKey, ledger_info.public_key->to_string()); |
| std::string ledger_info_json; |
| if (!base::JSONWriter::Write(dict, &ledger_info_json)) { |
| LOG(ERROR) << "Failed to write to json."; |
| return false; |
| } |
| return base::WriteFile(ledger_info_out_file_path, ledger_info_json); |
| } |
| |
| bool DoCreateVaultKeyset(const std::string& auth_session_id_hex, |
| const std::string& key_data_label, |
| const std::string& raw_auth_factor_type, |
| const std::string& raw_password, |
| bool disable_key_data, |
| bool use_public_mount_salt, |
| Platform* platform) { |
| brillo::DBusConnection connection; |
| scoped_refptr<dbus::Bus> bus = connection.Connect(); |
| CHECK(bus) << "Failed to connect to system bus through libbrillo"; |
| |
| auto cryptohome_proxy = org::chromium::UserDataAuthInterfaceProxy(bus); |
| |
| // Format auth_session_id to match cryptohome.cc command line |
| std::string auth_session_id; |
| base::HexStringToString(auth_session_id_hex.c_str(), &auth_session_id); |
| |
| // Format passkey to match cryptohome.cc command line |
| std::string trimmed_password; |
| base::TrimString(raw_password, "/r/n", &trimmed_password); |
| brillo::SecureBlob passkey; |
| brillo::SecureBlob salt; |
| if (use_public_mount_salt) { |
| GetPublicMountSalt(platform, &salt); |
| } else { |
| GetSystemSalt(platform, &salt); |
| } |
| Crypto::PasswordToPasskey(trimmed_password.c_str(), salt, &passkey); |
| |
| // Determine and enumerate AuthFactorType from raw input. |
| user_data_auth::AuthFactorType auth_factor_type = |
| user_data_auth::AuthFactorType::AUTH_FACTOR_TYPE_PASSWORD; |
| if (raw_auth_factor_type == "password") { |
| auth_factor_type = |
| user_data_auth::AuthFactorType::AUTH_FACTOR_TYPE_PASSWORD; |
| } else if (raw_auth_factor_type == "pin") { |
| auth_factor_type = user_data_auth::AuthFactorType::AUTH_FACTOR_TYPE_PIN; |
| } else if (raw_auth_factor_type == "kiosk") { |
| auth_factor_type = user_data_auth::AuthFactorType::AUTH_FACTOR_TYPE_KIOSK; |
| } |
| |
| user_data_auth::CreateVaultKeysetRequest request; |
| request.set_auth_session_id(auth_session_id); |
| request.set_key_label(key_data_label); |
| request.set_type(auth_factor_type); |
| request.set_passkey(passkey.to_string()); |
| request.set_disable_key_data(disable_key_data); |
| user_data_auth::CreateVaultKeysetReply reply; |
| brillo::ErrorPtr error; |
| |
| if (!cryptohome_proxy.CreateVaultKeyset( |
| request, &reply, &error, |
| user_data_auth::kUserDataAuthServiceTimeoutInMs) || |
| error) { |
| LOG(ERROR) |
| << "Failed to create or persist the VaultKeyset from cryptohomed: " |
| << error->GetMessage(); |
| return false; |
| } |
| |
| if (reply.error() != |
| user_data_auth::CryptohomeErrorCode::CRYPTOHOME_ERROR_NOT_SET) { |
| LOG(ERROR) << "CreateVaultKeyset failed: " << reply.error(); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| } // namespace |
| |
| } // namespace cryptohome |
| |
| int main(int argc, char* argv[]) { |
| using cryptohome::CheckMandatoryFlag; |
| brillo::InitLog(brillo::kLogToSyslog | brillo::kLogToStderr); |
| base::AtExitManager exit_manager; |
| cryptohome::Platform platform; |
| |
| DEFINE_string( |
| action, "", |
| "One of: recovery_crypto_create_hsm_payload, " |
| "recovery_crypto_create_recovery_request, recovery_crypto_mediate, " |
| "recovery_crypto_decrypt, create_vault_keyset."); |
| DEFINE_string( |
| mediator_pub_key_in_file, "", |
| "Path to the file containing the hex-encoded Cryptohome Recovery " |
| "mediator key."); |
| DEFINE_string( |
| rsa_priv_key_in_file, "", |
| "Path to the file containing the hex-encoded Cryptohome Recovery " |
| "encrypted rsa private key."); |
| DEFINE_string( |
| rsa_priv_key_out_file, "", |
| "Path to the file where to store the hex-encoded Cryptohome Recovery " |
| "encrypted rsa private key."); |
| DEFINE_string( |
| destination_share_out_file, "", |
| "Path to the file where to store the hex-encoded Cryptohome Recovery " |
| "encrypted destination share."); |
| DEFINE_string( |
| extended_pcr_bound_destination_share_out_file, "", |
| "Path to the file where to store the hex-encoded Cryptohome Recovery " |
| "extended pcr bound destination share."); |
| DEFINE_string(destination_share_in_file, "", |
| "Path to the file containing the hex-encoded Cryptohome " |
| "Recovery encrypted " |
| "destination share."); |
| DEFINE_string(extended_pcr_bound_destination_share_in_file, "", |
| "Path to the file containing the hex-encoded Cryptohome " |
| "Recovery encrypted " |
| "extended pcr bound destination share."); |
| DEFINE_string( |
| channel_pub_key_out_file, "", |
| "Path to the file where to store the hex-encoded Cryptohome Recovery " |
| "channel public key."); |
| DEFINE_string( |
| channel_pub_key_in_file, "", |
| "Path to the file containing the hex-encoded Cryptohome Recovery " |
| "channel public key."); |
| DEFINE_string( |
| channel_priv_key_out_file, "", |
| "Path to the file where to store the hex-encoded Cryptohome Recovery " |
| "channel private key."); |
| DEFINE_string( |
| channel_priv_key_in_file, "", |
| "Path to the file containing the hex-encoded Cryptohome Recovery " |
| "channel private key."); |
| DEFINE_string( |
| ephemeral_pub_key_out_file, "", |
| "Path to the file where to store the hex-encoded Cryptohome Recovery " |
| "ephemeral public key."); |
| DEFINE_string( |
| ephemeral_pub_key_in_file, "", |
| "Path to the file containing the hex-encoded Cryptohome Recovery " |
| "ephemeral public key."); |
| DEFINE_string( |
| serialized_hsm_payload_out_file, "", |
| "Path to the file where to store the hex-encoded Cryptohome Recovery " |
| "serialized HSM payload."); |
| DEFINE_string( |
| serialized_hsm_payload_in_file, "", |
| "Path to the file containing the hex-encoded Cryptohome Recovery " |
| "serialized HSM payload."); |
| DEFINE_string( |
| recovery_request_out_file, "", |
| "Path to the file where to store the hex-encoded Cryptohome Recovery " |
| "Request."); |
| DEFINE_string( |
| recovery_request_in_file, "", |
| "Path to the file containing the hex-encoded Cryptohome Recovery " |
| "Request."); |
| DEFINE_string( |
| recovery_response_out_file, "", |
| "Path to the file where to store the hex-encoded Cryptohome Recovery " |
| "Response."); |
| DEFINE_string( |
| recovery_response_in_file, "", |
| "Path to the file containing the hex-encoded Cryptohome Recovery " |
| "Response."); |
| DEFINE_string( |
| recovery_secret_out_file, "", |
| "Path to the file where to store the Cryptohome Recovery secret."); |
| DEFINE_string( |
| epoch_response_in_file, "", |
| "Path to the file containing the hex-encoded Cryptohome Recovery " |
| "epoch response proto."); |
| DEFINE_string(ledger_info_in_file, "", |
| "Path to the file containing the ledger info in JSON format."); |
| DEFINE_string( |
| ledger_info_out_file, "", |
| "Path to the file where to store the ledger info in JSON format."); |
| DEFINE_string( |
| gaia_rapt_in_file, "", |
| "Path to the file containing the hex-encoded Gaia RAPT to be added to " |
| "RequestMetaData."); |
| DEFINE_string( |
| epoch_response_out_file, "", |
| "Path to the file containing the hex-encoded fake epoch response."); |
| DEFINE_string( |
| mediator_pub_key_out_file, "", |
| "Path to the file containing the hex-encoded fake mediator pub key."); |
| DEFINE_string( |
| recovery_id_file, "", |
| "Path to the file containing serialized data to generate recovery_id."); |
| DEFINE_string(auth_session_id, "", |
| "AuthSessionID, which must be authenticated, used to generate " |
| "a custom vault keyset."); |
| DEFINE_string(key_data_label, "", |
| "Requested key data label to generate a custom vault keyset."); |
| DEFINE_string(auth_factor_type, "", |
| "Requested type of factor for authentication to generate " |
| "the custom vault keyset."); |
| DEFINE_string(passkey, "", |
| "User passkey input, or password used to generate a custom " |
| "vault keyset."); |
| DEFINE_bool(disable_key_data, false, |
| "Boolean to enable or disable adding a KeyData object to " |
| "the VaultKeyset during creation."); |
| DEFINE_bool(use_public_mount_salt, false, |
| "When set, use the public mount salt for creating passkeys in a " |
| "custom vault keyset. Otherwise the system salt will be used"); |
| brillo::FlagHelper::Init(argc, argv, |
| "cryptohome-test-tool - Test tool for cryptohome."); |
| |
| bool success = false; |
| if (FLAGS_action.empty()) { |
| LOG(ERROR) << "--action is required."; |
| } else if (FLAGS_action == "create_vault_keyset") { |
| if (CheckMandatoryFlag("auth_session_id", FLAGS_auth_session_id) && |
| CheckMandatoryFlag("passkey", FLAGS_passkey)) { |
| success = cryptohome::DoCreateVaultKeyset( |
| FLAGS_auth_session_id, FLAGS_key_data_label, FLAGS_auth_factor_type, |
| FLAGS_passkey, FLAGS_disable_key_data, FLAGS_use_public_mount_salt, |
| &platform); |
| } |
| } else if (FLAGS_action == "recovery_crypto_create_hsm_payload") { |
| if (CheckMandatoryFlag("rsa_priv_key_out_file", |
| FLAGS_rsa_priv_key_out_file) && |
| CheckMandatoryFlag("destination_share_out_file", |
| FLAGS_destination_share_out_file) && |
| CheckMandatoryFlag( |
| "extended_pcr_bound_destination_share_out_file", |
| FLAGS_extended_pcr_bound_destination_share_out_file) && |
| CheckMandatoryFlag("channel_pub_key_out_file", |
| FLAGS_channel_pub_key_out_file) && |
| CheckMandatoryFlag("channel_priv_key_out_file", |
| FLAGS_channel_priv_key_out_file) && |
| CheckMandatoryFlag("serialized_hsm_payload_out_file", |
| FLAGS_serialized_hsm_payload_out_file) && |
| CheckMandatoryFlag("recovery_secret_out_file", |
| FLAGS_recovery_secret_out_file) && |
| CheckMandatoryFlag("recovery_id_file", FLAGS_recovery_id_file)) { |
| success = cryptohome::DoRecoveryCryptoCreateHsmPayloadAction( |
| FilePath(FLAGS_mediator_pub_key_in_file), |
| FilePath(FLAGS_rsa_priv_key_out_file), |
| FilePath(FLAGS_destination_share_out_file), |
| FilePath(FLAGS_extended_pcr_bound_destination_share_out_file), |
| FilePath(FLAGS_channel_pub_key_out_file), |
| FilePath(FLAGS_channel_priv_key_out_file), |
| FilePath(FLAGS_serialized_hsm_payload_out_file), |
| FilePath(FLAGS_recovery_secret_out_file), |
| FilePath(FLAGS_recovery_id_file), &platform); |
| } |
| } else if (FLAGS_action == "recovery_crypto_create_recovery_request") { |
| if (CheckMandatoryFlag("rsa_priv_key_in_file", |
| FLAGS_rsa_priv_key_in_file) && |
| CheckMandatoryFlag("channel_pub_key_in_file", |
| FLAGS_channel_pub_key_in_file) && |
| CheckMandatoryFlag("channel_priv_key_in_file", |
| FLAGS_channel_priv_key_in_file) && |
| CheckMandatoryFlag("serialized_hsm_payload_in_file", |
| FLAGS_serialized_hsm_payload_in_file) && |
| CheckMandatoryFlag("ephemeral_pub_key_out_file", |
| FLAGS_ephemeral_pub_key_out_file) && |
| CheckMandatoryFlag("recovery_request_out_file", |
| FLAGS_recovery_request_out_file)) { |
| success = cryptohome::DoRecoveryCryptoCreateRecoveryRequestAction( |
| FilePath(FLAGS_gaia_rapt_in_file), |
| FilePath(FLAGS_epoch_response_in_file), |
| FilePath(FLAGS_rsa_priv_key_in_file), |
| FilePath(FLAGS_channel_pub_key_in_file), |
| FilePath(FLAGS_channel_priv_key_in_file), |
| FilePath(FLAGS_serialized_hsm_payload_in_file), |
| FilePath(FLAGS_ephemeral_pub_key_out_file), |
| FilePath(FLAGS_recovery_request_out_file), &platform); |
| } |
| } else if (FLAGS_action == "recovery_crypto_mediate") { |
| if (CheckMandatoryFlag("recovery_request_in_file", |
| FLAGS_recovery_request_in_file) && |
| CheckMandatoryFlag("recovery_response_out_file", |
| FLAGS_recovery_response_out_file)) { |
| success = cryptohome::DoRecoveryCryptoMediateAction( |
| FilePath(FLAGS_recovery_request_in_file), |
| FilePath(FLAGS_recovery_response_out_file)); |
| } |
| } else if (FLAGS_action == "recovery_crypto_decrypt") { |
| if (CheckMandatoryFlag("recovery_response_in_file", |
| FLAGS_recovery_response_in_file) && |
| CheckMandatoryFlag("channel_priv_key_in_file", |
| FLAGS_channel_priv_key_in_file) && |
| CheckMandatoryFlag("ephemeral_pub_key_in_file", |
| FLAGS_ephemeral_pub_key_in_file) && |
| CheckMandatoryFlag("destination_share_in_file", |
| FLAGS_destination_share_in_file) && |
| CheckMandatoryFlag( |
| "extended_pcr_bound_destination_share_in_file", |
| FLAGS_extended_pcr_bound_destination_share_in_file) && |
| CheckMandatoryFlag("serialized_hsm_payload_in_file", |
| FLAGS_serialized_hsm_payload_in_file) && |
| CheckMandatoryFlag("recovery_secret_out_file", |
| FLAGS_recovery_secret_out_file)) { |
| success = cryptohome::DoRecoveryCryptoDecryptAction( |
| FilePath(FLAGS_recovery_response_in_file), |
| FilePath(FLAGS_epoch_response_in_file), |
| FilePath(FLAGS_channel_priv_key_in_file), |
| FilePath(FLAGS_ephemeral_pub_key_in_file), |
| FilePath(FLAGS_destination_share_in_file), |
| FilePath(FLAGS_extended_pcr_bound_destination_share_in_file), |
| FilePath(FLAGS_ledger_info_in_file), |
| FilePath(FLAGS_serialized_hsm_payload_in_file), |
| FilePath(FLAGS_recovery_secret_out_file), &platform); |
| } |
| } else if (FLAGS_action == "recovery_crypto_get_fake_epoch") { |
| if (CheckMandatoryFlag("epoch_response_out_file", |
| FLAGS_epoch_response_out_file)) { |
| success = cryptohome::DoRecoveryCryptoGetFakeEpochAction( |
| FilePath(FLAGS_epoch_response_out_file)); |
| } |
| } else if (FLAGS_action == "recovery_crypto_get_fake_mediator_pub_key") { |
| if (CheckMandatoryFlag("mediator_pub_key_out_file", |
| FLAGS_mediator_pub_key_out_file)) { |
| success = cryptohome::DoRecoveryCryptoGetFakeMediatorPublicKeyAction( |
| FilePath(FLAGS_mediator_pub_key_out_file)); |
| } |
| } else if (FLAGS_action == "recovery_crypto_get_fake_ledger_info") { |
| if (CheckMandatoryFlag("ledger_info_out_file", |
| FLAGS_ledger_info_out_file)) { |
| success = cryptohome::DoRecoveryCryptoGetLedgerInfoAction( |
| FilePath(FLAGS_ledger_info_out_file)); |
| } |
| } else { |
| LOG(ERROR) << "Unknown --action."; |
| } |
| return success ? EXIT_SUCCESS : EXIT_FAILURE; |
| } |
