| // Copyright 2015 The Android Open Source Project |
| // |
| // 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 <chrono> |
| #include <cstdio> |
| #include <future> |
| #include <iomanip> |
| #include <iostream> |
| #include <memory> |
| #include <string> |
| #include <variant> |
| #include <vector> |
| |
| #include <android-base/strings.h> |
| |
| #include <base/command_line.h> |
| #include <base/files/file_util.h> |
| #include <base/strings/string_number_conversions.h> |
| #include <base/strings/string_split.h> |
| |
| #include <aidl/android/security/apc/BnConfirmationCallback.h> |
| #include <aidl/android/security/apc/IProtectedConfirmation.h> |
| #include <aidl/android/system/keystore2/IKeystoreService.h> |
| #include <aidl/android/system/keystore2/ResponseCode.h> |
| #include <android/binder_manager.h> |
| #include <android/binder_process.h> |
| #include <keymint_support/authorization_set.h> |
| |
| #include <openssl/evp.h> |
| #include <openssl/mem.h> |
| #include <openssl/x509.h> |
| |
| #include "keystore_client.pb.h" |
| |
| namespace apc = ::aidl::android::security::apc; |
| namespace keymint = ::aidl::android::hardware::security::keymint; |
| namespace ks2 = ::aidl::android::system::keystore2; |
| |
| using base::CommandLine; |
| using keystore::EncryptedData; |
| |
| namespace { |
| |
| struct TestCase { |
| std::string name; |
| bool required_for_brillo_pts; |
| keymint::AuthorizationSet parameters; |
| }; |
| |
| constexpr const char keystore2_service_name[] = "android.system.keystore2.IKeystoreService/default"; |
| |
| std::string string_replace_all(std::string str, const std::string& from, |
| const std::string& to) { |
| size_t start = 0; |
| while ((start = str.find(from, start)) != std::string::npos) { |
| str.replace(start, from.length(), to); |
| start += to.length(); |
| } |
| return str; |
| } |
| |
| int unwrapError(const ndk::ScopedAStatus& status) { |
| if (status.isOk()) return 0; |
| if (status.getExceptionCode() == EX_SERVICE_SPECIFIC) { |
| return status.getServiceSpecificError(); |
| } else { |
| return static_cast<int>(ks2::ResponseCode::SYSTEM_ERROR); |
| } |
| } |
| |
| ks2::KeyDescriptor keyDescriptor(const std::string& alias) { |
| return { |
| .domain = ks2::Domain::APP, |
| .nspace = -1, // ignored - should be -1. |
| .alias = alias, |
| .blob = {}, |
| }; |
| } |
| |
| void PrintUsageAndExit() { |
| printf("Usage: keystore_client_v2 <command> [options]\n"); |
| printf("Commands: brillo-platform-test [--prefix=<test_name_prefix>] [--test_for_0_3]\n" |
| " list-brillo-tests\n" |
| " add-entropy --input=<entropy> [--seclevel=software|strongbox|tee(default)]\n" |
| " generate --name=<key_name> [--seclevel=software|strongbox|tee(default)]\n" |
| " get-chars --name=<key_name>\n" |
| " export --name=<key_name>\n" |
| " delete --name=<key_name>\n" |
| " delete-all\n" |
| " exists --name=<key_name>\n" |
| " list [--prefix=<key_name_prefix>]\n" |
| " list-apps-with-keys\n" |
| " sign-verify --name=<key_name>\n" |
| " [en|de]crypt --name=<key_name> --in=<file> --out=<file>\n" |
| " [--seclevel=software|strongbox|tee(default)]\n" |
| " confirmation --prompt_text=<PromptText> --extra_data=<hex>\n" |
| " --locale=<locale> [--ui_options=<list_of_ints>]\n" |
| " --cancel_after=<seconds>\n"); |
| exit(1); |
| } |
| |
| std::shared_ptr<ks2::IKeystoreService> CreateKeystoreInstance() { |
| ::ndk::SpAIBinder keystoreBinder(AServiceManager_checkService(keystore2_service_name)); |
| auto result = ks2::IKeystoreService::fromBinder(keystoreBinder); |
| if (result) return result; |
| std::cerr << "Unable to connect to Keystore."; |
| exit(-1); |
| } |
| |
| std::shared_ptr<ks2::IKeystoreSecurityLevel> |
| GetSecurityLevelInterface(std::shared_ptr<ks2::IKeystoreService> keystore, |
| keymint::SecurityLevel securitylevel) { |
| std::shared_ptr<ks2::IKeystoreSecurityLevel> sec_level; |
| auto rc = keystore->getSecurityLevel(securitylevel, &sec_level); |
| if (rc.isOk()) return sec_level; |
| std::cerr << "Unable to get security level interface from Keystore: " << rc.getDescription(); |
| exit(-1); |
| } |
| |
| bool isHardwareEnforced(const ks2::Authorization& a) { |
| return !(a.securityLevel == keymint::SecurityLevel::SOFTWARE || |
| a.securityLevel == keymint::SecurityLevel::KEYSTORE); |
| } |
| |
| void PrintTags(const std::vector<ks2::Authorization>& characteristics, bool printHardwareEnforced) { |
| for (const auto& a : characteristics) { |
| if (isHardwareEnforced(a) == printHardwareEnforced) { |
| std::cout << toString(a.keyParameter.tag) << "\n"; |
| } |
| } |
| } |
| |
| void PrintKeyCharacteristics(const std::vector<ks2::Authorization>& characteristics) { |
| printf("Hardware:\n"); |
| PrintTags(characteristics, true /* printHardwareEnforced */); |
| printf("Software:\n"); |
| PrintTags(characteristics, false /* printHardwareEnforced */); |
| } |
| |
| const char kEncryptSuffix[] = "_ENC"; |
| const char kAuthenticateSuffix[] = "_AUTH"; |
| constexpr uint32_t kAESKeySize = 256; // bits |
| constexpr uint32_t kHMACKeySize = 256; // bits |
| constexpr uint32_t kHMACOutputSize = 256; // bits |
| |
| bool verifyEncryptionKeyAttributes(const std::vector<ks2::Authorization> authorizations) { |
| bool verified = true; |
| verified = |
| verified && |
| std::any_of(authorizations.begin(), authorizations.end(), [&](const ks2::Authorization& a) { |
| return a.keyParameter.tag == keymint::Tag::ALGORITHM && |
| a.keyParameter.value == |
| keymint::KeyParameterValue::make<keymint::KeyParameterValue::algorithm>( |
| keymint::Algorithm::AES); |
| }); |
| |
| verified = |
| verified && |
| std::any_of(authorizations.begin(), authorizations.end(), [&](const ks2::Authorization& a) { |
| return a.keyParameter.tag == keymint::Tag::KEY_SIZE && |
| a.keyParameter.value == |
| keymint::KeyParameterValue::make<keymint::KeyParameterValue::integer>( |
| kAESKeySize); |
| }); |
| |
| verified = |
| verified && |
| std::any_of(authorizations.begin(), authorizations.end(), [&](const ks2::Authorization& a) { |
| return a.keyParameter.tag == keymint::Tag::BLOCK_MODE && |
| a.keyParameter.value == |
| keymint::KeyParameterValue::make<keymint::KeyParameterValue::blockMode>( |
| keymint::BlockMode::CBC); |
| }); |
| |
| verified = |
| verified && |
| std::any_of(authorizations.begin(), authorizations.end(), [&](const ks2::Authorization& a) { |
| return a.keyParameter.tag == keymint::Tag::PADDING && |
| a.keyParameter.value == |
| keymint::KeyParameterValue::make<keymint::KeyParameterValue::paddingMode>( |
| keymint::PaddingMode::PKCS7); |
| }); |
| |
| return verified; |
| } |
| |
| bool verifyAuthenticationKeyAttributes(const std::vector<ks2::Authorization> authorizations) { |
| bool verified = true; |
| verified = |
| verified && |
| std::any_of(authorizations.begin(), authorizations.end(), [&](const ks2::Authorization& a) { |
| return a.keyParameter.tag == keymint::Tag::ALGORITHM && |
| a.keyParameter.value == |
| keymint::KeyParameterValue::make<keymint::KeyParameterValue::algorithm>( |
| keymint::Algorithm::HMAC); |
| }); |
| |
| verified = |
| verified && |
| std::any_of(authorizations.begin(), authorizations.end(), [&](const ks2::Authorization& a) { |
| return a.keyParameter.tag == keymint::Tag::KEY_SIZE && |
| a.keyParameter.value == |
| keymint::KeyParameterValue::make<keymint::KeyParameterValue::integer>( |
| kHMACKeySize); |
| }); |
| |
| verified = |
| verified && |
| std::any_of(authorizations.begin(), authorizations.end(), [&](const ks2::Authorization& a) { |
| return a.keyParameter.tag == keymint::Tag::MIN_MAC_LENGTH && |
| a.keyParameter.value == |
| keymint::KeyParameterValue::make<keymint::KeyParameterValue::integer>( |
| kHMACOutputSize); |
| }); |
| |
| verified = |
| verified && |
| std::any_of(authorizations.begin(), authorizations.end(), [&](const ks2::Authorization& a) { |
| return a.keyParameter.tag == keymint::Tag::DIGEST && |
| a.keyParameter.value == |
| keymint::KeyParameterValue::make<keymint::KeyParameterValue::digest>( |
| keymint::Digest::SHA_2_256); |
| }); |
| return verified; |
| } |
| |
| std::variant<int, ks2::KeyEntryResponse> |
| loadOrCreateAndVerifyEncryptionKey(const std::string& name, keymint::SecurityLevel securityLevel, |
| bool create) { |
| auto keystore = CreateKeystoreInstance(); |
| |
| ks2::KeyEntryResponse keyEntryResponse; |
| |
| bool foundKey = true; |
| auto rc = keystore->getKeyEntry(keyDescriptor(name), &keyEntryResponse); |
| if (!rc.isOk()) { |
| auto error = unwrapError(rc); |
| if (ks2::ResponseCode(error) == ks2::ResponseCode::KEY_NOT_FOUND && create) { |
| foundKey = false; |
| } else { |
| std::cerr << "Failed to get key entry: " << rc.getDescription() << std::endl; |
| return error; |
| } |
| } |
| |
| if (!foundKey) { |
| auto sec_level = GetSecurityLevelInterface(keystore, securityLevel); |
| auto params = keymint::AuthorizationSetBuilder() |
| .AesEncryptionKey(kAESKeySize) |
| .Padding(keymint::PaddingMode::PKCS7) |
| .Authorization(keymint::TAG_BLOCK_MODE, keymint::BlockMode::CBC) |
| .Authorization(keymint::TAG_NO_AUTH_REQUIRED); |
| |
| ks2::KeyMetadata keyMetadata; |
| |
| rc = sec_level->generateKey(keyDescriptor(name), {} /* attestationKey */, |
| params.vector_data(), 0 /* flags */, {} /* entropy */, |
| &keyMetadata); |
| if (!rc.isOk()) { |
| std::cerr << "Failed to generate key: " << rc.getDescription() << std::endl; |
| return unwrapError(rc); |
| } |
| |
| rc = keystore->getKeyEntry(keyDescriptor(name), &keyEntryResponse); |
| if (!rc.isOk()) { |
| std::cerr << "Failed to get key entry (second try): " << rc.getDescription() |
| << std::endl; |
| return unwrapError(rc); |
| } |
| } |
| |
| if (!verifyEncryptionKeyAttributes(keyEntryResponse.metadata.authorizations)) { |
| std::cerr << "Key has wrong set of parameters." << std::endl; |
| return static_cast<int>(ks2::ResponseCode::INVALID_ARGUMENT); |
| } |
| |
| return keyEntryResponse; |
| } |
| |
| std::variant<int, ks2::KeyEntryResponse> |
| loadOrCreateAndVerifyAuthenticationKey(const std::string& name, |
| keymint::SecurityLevel securityLevel, bool create) { |
| auto keystore = CreateKeystoreInstance(); |
| |
| ks2::KeyEntryResponse keyEntryResponse; |
| |
| bool foundKey = true; |
| auto rc = keystore->getKeyEntry(keyDescriptor(name), &keyEntryResponse); |
| if (!rc.isOk()) { |
| auto error = unwrapError(rc); |
| if (ks2::ResponseCode(error) == ks2::ResponseCode::KEY_NOT_FOUND && create) { |
| foundKey = false; |
| } else { |
| std::cerr << "Failed to get HMAC key entry: " << rc.getDescription() << std::endl; |
| return error; |
| } |
| } |
| |
| if (!foundKey) { |
| auto sec_level = GetSecurityLevelInterface(keystore, securityLevel); |
| auto params = keymint::AuthorizationSetBuilder() |
| .HmacKey(kHMACKeySize) |
| .Digest(keymint::Digest::SHA_2_256) |
| .Authorization(keymint::TAG_MIN_MAC_LENGTH, kHMACOutputSize) |
| .Authorization(keymint::TAG_NO_AUTH_REQUIRED); |
| |
| ks2::KeyMetadata keyMetadata; |
| |
| rc = sec_level->generateKey(keyDescriptor(name), {} /* attestationKey */, |
| params.vector_data(), 0 /* flags */, {} /* entropy */, |
| &keyMetadata); |
| if (!rc.isOk()) { |
| std::cerr << "Failed to generate HMAC key: " << rc.getDescription() << std::endl; |
| return unwrapError(rc); |
| } |
| |
| rc = keystore->getKeyEntry(keyDescriptor(name), &keyEntryResponse); |
| if (!rc.isOk()) { |
| std::cerr << "Failed to get HMAC key entry (second try): " << rc.getDescription() |
| << std::endl; |
| return unwrapError(rc); |
| } |
| } |
| |
| if (!verifyAuthenticationKeyAttributes(keyEntryResponse.metadata.authorizations)) { |
| std::cerr << "Key has wrong set of parameters." << std::endl; |
| return static_cast<int>(ks2::ResponseCode::INVALID_ARGUMENT); |
| } |
| |
| return keyEntryResponse; |
| } |
| |
| std::variant<int, std::vector<uint8_t>> |
| encryptWithAuthentication(const std::string& name, const std::vector<uint8_t>& data, |
| keymint::SecurityLevel securityLevel) { |
| // The encryption algorithm is AES-256-CBC with PKCS #7 padding and a random |
| // IV. The authentication algorithm is HMAC-SHA256 and is computed over the |
| // cipher-text (i.e. Encrypt-then-MAC approach). This was chosen over AES-GCM |
| // because hardware support for GCM is not mandatory for all Brillo devices. |
| std::string encryption_key_name = name + kEncryptSuffix; |
| auto encryption_key_result = |
| loadOrCreateAndVerifyEncryptionKey(encryption_key_name, securityLevel, true /* create */); |
| if (auto error = std::get_if<int>(&encryption_key_result)) { |
| return *error; |
| } |
| auto encryption_key = std::get<ks2::KeyEntryResponse>(encryption_key_result); |
| |
| std::string authentication_key_name = name + kAuthenticateSuffix; |
| auto authentication_key_result = loadOrCreateAndVerifyAuthenticationKey( |
| authentication_key_name, securityLevel, true /* create */); |
| if (auto error = std::get_if<int>(&authentication_key_result)) { |
| return *error; |
| } |
| auto authentication_key = std::get<ks2::KeyEntryResponse>(authentication_key_result); |
| |
| ks2::CreateOperationResponse encOperationResponse; |
| auto encrypt_params = keymint::AuthorizationSetBuilder() |
| .Authorization(keymint::TAG_PURPOSE, keymint::KeyPurpose::ENCRYPT) |
| .Padding(keymint::PaddingMode::PKCS7) |
| .Authorization(keymint::TAG_BLOCK_MODE, keymint::BlockMode::CBC); |
| |
| auto rc = encryption_key.iSecurityLevel->createOperation( |
| encryption_key.metadata.key, encrypt_params.vector_data(), false /* forced */, |
| &encOperationResponse); |
| if (!rc.isOk()) { |
| std::cerr << "Failed to begin encryption operation: " << rc.getDescription() << std::endl; |
| return unwrapError(rc); |
| } |
| |
| std::optional<std::vector<uint8_t>> optCiphertext; |
| |
| rc = encOperationResponse.iOperation->finish(data, {}, &optCiphertext); |
| if (!rc.isOk()) { |
| std::cerr << "Failed to finish encryption operation: " << rc.getDescription() << std::endl; |
| return unwrapError(rc); |
| } |
| |
| std::vector<uint8_t> initVector; |
| if (auto params = encOperationResponse.parameters) { |
| for (auto& p : params->keyParameter) { |
| if (auto iv = keymint::authorizationValue(keymint::TAG_NONCE, p)) { |
| initVector = std::move(iv->get()); |
| break; |
| } |
| } |
| if (initVector.empty()) { |
| std::cerr << "Encryption operation did not return an IV." << std::endl; |
| return static_cast<int>(ks2::ResponseCode::SYSTEM_ERROR); |
| } |
| } |
| |
| if (!optCiphertext) { |
| std::cerr << "Encryption succeeded but no ciphertext returned." << std::endl; |
| return static_cast<int>(ks2::ResponseCode::SYSTEM_ERROR); |
| } |
| |
| auto ciphertext = std::move(*optCiphertext); |
| auto toBeSigned = initVector; |
| toBeSigned.insert(toBeSigned.end(), ciphertext.begin(), ciphertext.end()); |
| |
| ks2::CreateOperationResponse signOperationResponse; |
| auto sign_params = keymint::AuthorizationSetBuilder() |
| .Authorization(keymint::TAG_PURPOSE, keymint::KeyPurpose::SIGN) |
| .Digest(keymint::Digest::SHA_2_256) |
| .Authorization(keymint::TAG_MAC_LENGTH, kHMACOutputSize); |
| |
| rc = authentication_key.iSecurityLevel->createOperation( |
| authentication_key.metadata.key, sign_params.vector_data(), false /* forced */, |
| &signOperationResponse); |
| if (!rc.isOk()) { |
| std::cerr << "Failed to begin signing operation: " << rc.getDescription() << std::endl; |
| return unwrapError(rc); |
| } |
| |
| std::optional<std::vector<uint8_t>> optMac; |
| |
| rc = signOperationResponse.iOperation->finish(toBeSigned, {}, &optMac); |
| if (!rc.isOk()) { |
| std::cerr << "Failed to finish encryption operation: " << rc.getDescription() << std::endl; |
| return unwrapError(rc); |
| } |
| |
| if (!optMac) { |
| std::cerr << "Signing succeeded but no MAC returned." << std::endl; |
| return static_cast<int>(ks2::ResponseCode::SYSTEM_ERROR); |
| } |
| |
| auto mac = std::move(*optMac); |
| |
| EncryptedData protobuf; |
| protobuf.set_init_vector(initVector.data(), initVector.size()); |
| protobuf.set_authentication_data(mac.data(), mac.size()); |
| protobuf.set_encrypted_data(ciphertext.data(), ciphertext.size()); |
| std::string resultString; |
| if (!protobuf.SerializeToString(&resultString)) { |
| std::cerr << "Encrypt: Failed to serialize EncryptedData protobuf."; |
| return static_cast<int>(ks2::ResponseCode::SYSTEM_ERROR); |
| } |
| |
| std::vector<uint8_t> result(reinterpret_cast<const uint8_t*>(resultString.data()), |
| reinterpret_cast<const uint8_t*>(resultString.data()) + |
| resultString.size()); |
| return result; |
| } |
| |
| std::variant<int, std::vector<uint8_t>> |
| decryptWithAuthentication(const std::string& name, const std::vector<uint8_t>& data) { |
| |
| // Decode encrypted data |
| EncryptedData protobuf; |
| if (!protobuf.ParseFromArray(data.data(), data.size())) { |
| std::cerr << "Decrypt: Failed to parse EncryptedData protobuf." << std::endl; |
| return static_cast<int>(ks2::ResponseCode::SYSTEM_ERROR); |
| } |
| |
| // Load encryption and authentication keys. |
| std::string encryption_key_name = name + kEncryptSuffix; |
| auto encryption_key_result = loadOrCreateAndVerifyEncryptionKey( |
| encryption_key_name, keymint::SecurityLevel::KEYSTORE /* ignored */, false /* create */); |
| if (auto error = std::get_if<int>(&encryption_key_result)) { |
| return *error; |
| } |
| auto encryption_key = std::get<ks2::KeyEntryResponse>(encryption_key_result); |
| |
| std::string authentication_key_name = name + kAuthenticateSuffix; |
| auto authentication_key_result = loadOrCreateAndVerifyAuthenticationKey( |
| authentication_key_name, keymint::SecurityLevel::KEYSTORE /* ignored */, |
| false /* create */); |
| if (auto error = std::get_if<int>(&authentication_key_result)) { |
| return *error; |
| } |
| auto authentication_key = std::get<ks2::KeyEntryResponse>(authentication_key_result); |
| |
| // Begin authentication operation |
| ks2::CreateOperationResponse signOperationResponse; |
| auto sign_params = keymint::AuthorizationSetBuilder() |
| .Authorization(keymint::TAG_PURPOSE, keymint::KeyPurpose::VERIFY) |
| .Digest(keymint::Digest::SHA_2_256) |
| .Authorization(keymint::TAG_MAC_LENGTH, kHMACOutputSize); |
| |
| auto rc = authentication_key.iSecurityLevel->createOperation( |
| authentication_key.metadata.key, sign_params.vector_data(), false /* forced */, |
| &signOperationResponse); |
| if (!rc.isOk()) { |
| std::cerr << "Failed to begin verify operation: " << rc.getDescription() << std::endl; |
| return unwrapError(rc); |
| } |
| |
| const uint8_t* p = reinterpret_cast<const uint8_t*>(protobuf.init_vector().data()); |
| std::vector<uint8_t> toBeVerified(p, p + protobuf.init_vector().size()); |
| |
| p = reinterpret_cast<const uint8_t*>(protobuf.encrypted_data().data()); |
| toBeVerified.insert(toBeVerified.end(), p, p + protobuf.encrypted_data().size()); |
| |
| p = reinterpret_cast<const uint8_t*>(protobuf.authentication_data().data()); |
| std::vector<uint8_t> signature(p, p + protobuf.authentication_data().size()); |
| |
| std::optional<std::vector<uint8_t>> optOut; |
| rc = signOperationResponse.iOperation->finish(toBeVerified, signature, &optOut); |
| if (!rc.isOk()) { |
| std::cerr << "Decrypt: HMAC verification failed: " << rc.getDescription() << std::endl; |
| return unwrapError(rc); |
| } |
| |
| // Begin decryption operation |
| ks2::CreateOperationResponse encOperationResponse; |
| auto encrypt_params = keymint::AuthorizationSetBuilder() |
| .Authorization(keymint::TAG_PURPOSE, keymint::KeyPurpose::DECRYPT) |
| .Authorization(keymint::TAG_NONCE, protobuf.init_vector().data(), |
| protobuf.init_vector().size()) |
| .Padding(keymint::PaddingMode::PKCS7) |
| .Authorization(keymint::TAG_BLOCK_MODE, keymint::BlockMode::CBC); |
| |
| rc = encryption_key.iSecurityLevel->createOperation(encryption_key.metadata.key, |
| encrypt_params.vector_data(), |
| false /* forced */, &encOperationResponse); |
| if (!rc.isOk()) { |
| std::cerr << "Failed to begin encryption operation: " << rc.getDescription() << std::endl; |
| return unwrapError(rc); |
| } |
| |
| std::optional<std::vector<uint8_t>> optPlaintext; |
| |
| p = reinterpret_cast<const uint8_t*>(protobuf.encrypted_data().data()); |
| std::vector<uint8_t> cyphertext(p, p + protobuf.encrypted_data().size()); |
| |
| rc = encOperationResponse.iOperation->finish(cyphertext, {}, &optPlaintext); |
| if (!rc.isOk()) { |
| std::cerr << "Failed to finish encryption operation: " << rc.getDescription() << std::endl; |
| return unwrapError(rc); |
| } |
| |
| if (!optPlaintext) { |
| std::cerr << "Decryption succeeded but no plaintext returned." << std::endl; |
| return static_cast<int>(ks2::ResponseCode::SYSTEM_ERROR); |
| } |
| |
| return *optPlaintext; |
| } |
| |
| bool TestKey(const std::string& name, bool required, |
| const std::vector<keymint::KeyParameter>& parameters) { |
| auto keystore = CreateKeystoreInstance(); |
| auto sec_level = |
| GetSecurityLevelInterface(keystore, keymint::SecurityLevel::TRUSTED_ENVIRONMENT); |
| |
| ks2::KeyDescriptor keyDescriptor = { |
| .domain = ks2::Domain::APP, |
| .nspace = -1, |
| .alias = "tmp", |
| .blob = {}, |
| }; |
| |
| ks2::KeyMetadata keyMetadata; |
| |
| auto rc = sec_level->generateKey(keyDescriptor, {} /* attestationKey */, parameters, |
| 0 /* flags */, {} /* entropy */, &keyMetadata); |
| const char kBoldRedAbort[] = "\033[1;31mABORT\033[0m"; |
| if (!rc.isOk()) { |
| LOG(ERROR) << "Failed to generate key: " << rc.getDescription(); |
| printf("[%s] %s\n", kBoldRedAbort, name.c_str()); |
| return false; |
| } |
| |
| rc = keystore->deleteKey(keyDescriptor); |
| if (!rc.isOk()) { |
| LOG(ERROR) << "Failed to delete key: " << rc.getDescription(); |
| printf("[%s] %s\n", kBoldRedAbort, name.c_str()); |
| return false; |
| } |
| printf("===============================================================\n"); |
| printf("%s Key Characteristics:\n", name.c_str()); |
| PrintKeyCharacteristics(keyMetadata.authorizations); |
| bool hardware_backed = std::any_of(keyMetadata.authorizations.begin(), |
| keyMetadata.authorizations.end(), isHardwareEnforced); |
| if (std::any_of(keyMetadata.authorizations.begin(), keyMetadata.authorizations.end(), |
| [&](const auto& a) { |
| return !isHardwareEnforced(a) && |
| (a.keyParameter.tag == keymint::Tag::ALGORITHM || |
| a.keyParameter.tag == keymint::Tag::KEY_SIZE || |
| a.keyParameter.tag == keymint::Tag::RSA_PUBLIC_EXPONENT); |
| })) { |
| VLOG(1) << "Hardware-backed key but required characteristics enforced in software."; |
| hardware_backed = false; |
| } |
| const char kBoldRedFail[] = "\033[1;31mFAIL\033[0m"; |
| const char kBoldGreenPass[] = "\033[1;32mPASS\033[0m"; |
| const char kBoldYellowWarn[] = "\033[1;33mWARN\033[0m"; |
| printf("[%s] %s\n", |
| hardware_backed ? kBoldGreenPass : (required ? kBoldRedFail : kBoldYellowWarn), |
| name.c_str()); |
| |
| return (hardware_backed || !required); |
| } |
| |
| keymint::AuthorizationSet GetRSASignParameters(uint32_t key_size, bool sha256_only) { |
| keymint::AuthorizationSetBuilder parameters; |
| parameters.RsaSigningKey(key_size, 65537) |
| .Digest(keymint::Digest::SHA_2_256) |
| .Padding(keymint::PaddingMode::RSA_PKCS1_1_5_SIGN) |
| .Padding(keymint::PaddingMode::RSA_PSS) |
| .Authorization(keymint::TAG_NO_AUTH_REQUIRED); |
| if (!sha256_only) { |
| parameters.Digest(keymint::Digest::SHA_2_224) |
| .Digest(keymint::Digest::SHA_2_384) |
| .Digest(keymint::Digest::SHA_2_512); |
| } |
| return std::move(parameters); |
| } |
| |
| keymint::AuthorizationSet GetRSAEncryptParameters(uint32_t key_size) { |
| keymint::AuthorizationSetBuilder parameters; |
| parameters.RsaEncryptionKey(key_size, 65537) |
| .Padding(keymint::PaddingMode::RSA_PKCS1_1_5_ENCRYPT) |
| .Padding(keymint::PaddingMode::RSA_OAEP) |
| .Authorization(keymint::TAG_NO_AUTH_REQUIRED); |
| return std::move(parameters); |
| } |
| |
| keymint::AuthorizationSet GetECDSAParameters(keymint::EcCurve curve, bool sha256_only) { |
| keymint::AuthorizationSetBuilder parameters; |
| parameters.EcdsaSigningKey(curve) |
| .Digest(keymint::Digest::SHA_2_256) |
| .Authorization(keymint::TAG_NO_AUTH_REQUIRED); |
| if (!sha256_only) { |
| parameters.Digest(keymint::Digest::SHA_2_224) |
| .Digest(keymint::Digest::SHA_2_384) |
| .Digest(keymint::Digest::SHA_2_512); |
| } |
| return std::move(parameters); |
| } |
| |
| keymint::AuthorizationSet GetAESParameters(uint32_t key_size, bool with_gcm_mode) { |
| keymint::AuthorizationSetBuilder parameters; |
| parameters.AesEncryptionKey(key_size).Authorization(keymint::TAG_NO_AUTH_REQUIRED); |
| if (with_gcm_mode) { |
| parameters.Authorization(keymint::TAG_BLOCK_MODE, keymint::BlockMode::GCM) |
| .Authorization(keymint::TAG_MIN_MAC_LENGTH, 128); |
| } else { |
| parameters.Authorization(keymint::TAG_BLOCK_MODE, keymint::BlockMode::ECB); |
| parameters.Authorization(keymint::TAG_BLOCK_MODE, keymint::BlockMode::CBC); |
| parameters.Authorization(keymint::TAG_BLOCK_MODE, keymint::BlockMode::CTR); |
| parameters.Padding(keymint::PaddingMode::NONE); |
| } |
| return std::move(parameters); |
| } |
| |
| keymint::AuthorizationSet GetHMACParameters(uint32_t key_size, keymint::Digest digest) { |
| keymint::AuthorizationSetBuilder parameters; |
| parameters.HmacKey(key_size) |
| .Digest(digest) |
| .Authorization(keymint::TAG_MIN_MAC_LENGTH, 224) |
| .Authorization(keymint::TAG_NO_AUTH_REQUIRED); |
| return std::move(parameters); |
| } |
| |
| std::vector<TestCase> GetTestCases() { |
| TestCase test_cases[] = { |
| {"RSA-2048 Sign", true, GetRSASignParameters(2048, true)}, |
| {"RSA-2048 Sign (more digests)", false, GetRSASignParameters(2048, false)}, |
| {"RSA-3072 Sign", false, GetRSASignParameters(3072, false)}, |
| {"RSA-4096 Sign", false, GetRSASignParameters(4096, false)}, |
| {"RSA-2048 Encrypt", true, GetRSAEncryptParameters(2048)}, |
| {"RSA-3072 Encrypt", false, GetRSAEncryptParameters(3072)}, |
| {"RSA-4096 Encrypt", false, GetRSAEncryptParameters(4096)}, |
| {"ECDSA-P256 Sign", true, GetECDSAParameters(keymint::EcCurve::P_256, true)}, |
| {"ECDSA-P256 Sign (more digests)", false, |
| GetECDSAParameters(keymint::EcCurve::P_256, false)}, |
| {"ECDSA-P224 Sign", false, GetECDSAParameters(keymint::EcCurve::P_224, false)}, |
| {"ECDSA-P384 Sign", false, GetECDSAParameters(keymint::EcCurve::P_384, false)}, |
| {"ECDSA-P521 Sign", false, GetECDSAParameters(keymint::EcCurve::P_521, false)}, |
| {"AES-128", true, GetAESParameters(128, false)}, |
| {"AES-256", true, GetAESParameters(256, false)}, |
| {"AES-128-GCM", false, GetAESParameters(128, true)}, |
| {"AES-256-GCM", false, GetAESParameters(256, true)}, |
| {"HMAC-SHA256-16", true, GetHMACParameters(16, keymint::Digest::SHA_2_256)}, |
| {"HMAC-SHA256-32", true, GetHMACParameters(32, keymint::Digest::SHA_2_256)}, |
| {"HMAC-SHA256-64", false, GetHMACParameters(64, keymint::Digest::SHA_2_256)}, |
| {"HMAC-SHA224-32", false, GetHMACParameters(32, keymint::Digest::SHA_2_224)}, |
| {"HMAC-SHA384-32", false, GetHMACParameters(32, keymint::Digest::SHA_2_384)}, |
| {"HMAC-SHA512-32", false, GetHMACParameters(32, keymint::Digest::SHA_2_512)}, |
| }; |
| return std::vector<TestCase>(&test_cases[0], &test_cases[arraysize(test_cases)]); |
| } |
| |
| int BrilloPlatformTest(const std::string& prefix, bool test_for_0_3) { |
| const char kBoldYellowWarning[] = "\033[1;33mWARNING\033[0m"; |
| if (test_for_0_3) { |
| printf("%s: Testing for keymaster v0.3. " |
| "This does not meet Brillo requirements.\n", |
| kBoldYellowWarning); |
| } |
| int test_count = 0; |
| int fail_count = 0; |
| std::vector<TestCase> test_cases = GetTestCases(); |
| for (const auto& test_case : test_cases) { |
| if (!prefix.empty() && |
| !android::base::StartsWith(test_case.name, prefix)) { |
| continue; |
| } |
| if (test_for_0_3 && |
| (android::base::StartsWith(test_case.name, "AES") || |
| android::base::StartsWith(test_case.name, "HMAC"))) { |
| continue; |
| } |
| ++test_count; |
| if (!TestKey(test_case.name, test_case.required_for_brillo_pts, |
| test_case.parameters.vector_data())) { |
| VLOG(1) << "Test failed: " << test_case.name; |
| ++fail_count; |
| } |
| } |
| return fail_count; |
| } |
| |
| int ListTestCases() { |
| const char kBoldGreenRequired[] = "\033[1;32mREQUIRED\033[0m"; |
| const char kBoldYellowRecommended[] = "\033[1;33mRECOMMENDED\033[0m"; |
| std::vector<TestCase> test_cases = GetTestCases(); |
| for (const auto& test_case : test_cases) { |
| printf("%s : %s\n", test_case.name.c_str(), |
| test_case.required_for_brillo_pts ? kBoldGreenRequired : kBoldYellowRecommended); |
| } |
| return 0; |
| } |
| |
| std::vector<uint8_t> ReadFile(const std::string& filename) { |
| std::string content; |
| base::FilePath path(filename); |
| if (!base::ReadFileToString(path, &content)) { |
| printf("Failed to read file: %s\n", filename.c_str()); |
| exit(1); |
| } |
| std::vector<uint8_t> buffer(reinterpret_cast<const uint8_t*>(content.data()), |
| reinterpret_cast<const uint8_t*>(content.data()) + content.size()); |
| return buffer; |
| } |
| |
| void WriteFile(const std::string& filename, const std::vector<uint8_t>& content) { |
| base::FilePath path(filename); |
| int size = content.size(); |
| if (base::WriteFile(path, reinterpret_cast<const char*>(content.data()), size) != size) { |
| printf("Failed to write file: %s\n", filename.c_str()); |
| exit(1); |
| } |
| } |
| |
| // Note: auth_bound keys created with this tool will not be usable. |
| int GenerateKey(const std::string& name, keymint::SecurityLevel securityLevel, bool auth_bound) { |
| auto keystore = CreateKeystoreInstance(); |
| auto sec_level = GetSecurityLevelInterface(keystore, securityLevel); |
| keymint::AuthorizationSetBuilder params; |
| params.RsaSigningKey(2048, 65537) |
| .Digest(keymint::Digest::SHA_2_224) |
| .Digest(keymint::Digest::SHA_2_256) |
| .Digest(keymint::Digest::SHA_2_384) |
| .Digest(keymint::Digest::SHA_2_512) |
| .Padding(keymint::PaddingMode::RSA_PKCS1_1_5_SIGN) |
| .Padding(keymint::PaddingMode::RSA_PSS); |
| if (auth_bound) { |
| // Gatekeeper normally generates the secure user id. |
| // Using zero allows the key to be created, but it will not be usuable. |
| params.Authorization(keymint::TAG_USER_SECURE_ID, 0); |
| } else { |
| params.Authorization(keymint::TAG_NO_AUTH_REQUIRED); |
| } |
| |
| ks2::KeyMetadata keyMetadata; |
| |
| auto rc = |
| sec_level->generateKey(keyDescriptor(name), {} /* attestationKey */, params.vector_data(), |
| 0 /* flags */, {} /* entropy */, &keyMetadata); |
| |
| if (!rc.isOk()) { |
| std::cerr << "GenerateKey failed: " << rc.getDescription() << std::endl; |
| return unwrapError(rc); |
| } |
| std::cout << "GenerateKey: success" << std::endl; |
| PrintKeyCharacteristics(keyMetadata.authorizations); |
| return 0; |
| } |
| |
| int GetCharacteristics(const std::string& name) { |
| auto keystore = CreateKeystoreInstance(); |
| |
| ks2::KeyEntryResponse keyEntryResponse; |
| |
| auto rc = keystore->getKeyEntry(keyDescriptor(name), &keyEntryResponse); |
| if (!rc.isOk()) { |
| std::cerr << "Failed to get key entry: " << rc.getDescription() << std::endl; |
| return unwrapError(rc); |
| } |
| |
| std::cout << "GetCharacteristics: success" << std::endl; |
| PrintKeyCharacteristics(keyEntryResponse.metadata.authorizations); |
| return 0; |
| } |
| |
| int ExportKey(const std::string& name) { |
| auto keystore = CreateKeystoreInstance(); |
| |
| ks2::KeyEntryResponse keyEntryResponse; |
| |
| auto rc = keystore->getKeyEntry(keyDescriptor(name), &keyEntryResponse); |
| if (!rc.isOk()) { |
| std::cerr << "Failed to get key entry: " << rc.getDescription() << std::endl; |
| return unwrapError(rc); |
| } |
| |
| if (auto cert = keyEntryResponse.metadata.certificate) { |
| std::cout << "ExportKey: Got certificate of length (" << cert->size() << ")" << std::endl; |
| } else { |
| std::cout << "ExportKey: Key entry does not have a public component.\n"; |
| std::cout << "Possibly a symmetric key?" << std::endl; |
| } |
| return 0; |
| } |
| |
| int DeleteKey(const std::string& name) { |
| auto keystore = CreateKeystoreInstance(); |
| |
| auto rc = keystore->deleteKey(keyDescriptor(name)); |
| if (!rc.isOk()) { |
| std::cerr << "Failed to delete key: " << rc.getDescription(); |
| return unwrapError(rc); |
| } |
| std::cout << "Successfully deleted key." << std::endl; |
| return 0; |
| } |
| |
| int DoesKeyExist(const std::string& name) { |
| auto keystore = CreateKeystoreInstance(); |
| ks2::KeyEntryResponse keyEntryResponse; |
| |
| bool keyExists = true; |
| auto rc = keystore->getKeyEntry(keyDescriptor(name), &keyEntryResponse); |
| if (!rc.isOk()) { |
| auto responseCode = unwrapError(rc); |
| if (ks2::ResponseCode(responseCode) == ks2::ResponseCode::KEY_NOT_FOUND) { |
| keyExists = false; |
| } else { |
| std::cerr << "Failed to get key entry: " << rc.getDescription() << std::endl; |
| return unwrapError(rc); |
| } |
| } |
| std::cout << "DoesKeyExists: " << (keyExists ? "yes" : "no") << std::endl; |
| return 0; |
| } |
| |
| int List() { |
| auto keystore = CreateKeystoreInstance(); |
| std::vector<ks2::KeyDescriptor> key_list; |
| auto rc = keystore->listEntries(ks2::Domain::APP, -1 /* nspace ignored */, &key_list); |
| if (!rc.isOk()) { |
| std::cerr << "ListKeys failed: " << rc.getDescription() << std::endl; |
| return unwrapError(rc); |
| } |
| std::cout << "Keys:\n"; |
| for (const auto& key : key_list) { |
| std::cout << " " |
| << (key.alias ? *key.alias : "Whoopsi - no alias, this should not happen.") |
| << std::endl; |
| } |
| return 0; |
| } |
| |
| int SignAndVerify(const std::string& name) { |
| auto keystore = CreateKeystoreInstance(); |
| auto sign_params = keymint::AuthorizationSetBuilder() |
| .Authorization(keymint::TAG_PURPOSE, keymint::KeyPurpose::SIGN) |
| .Padding(keymint::PaddingMode::RSA_PKCS1_1_5_SIGN) |
| .Digest(keymint::Digest::SHA_2_256); |
| |
| keymint::AuthorizationSet output_params; |
| |
| ks2::KeyEntryResponse keyEntryResponse; |
| |
| auto rc = keystore->getKeyEntry(keyDescriptor(name), &keyEntryResponse); |
| if (!rc.isOk()) { |
| std::cerr << "Failed to get key entry: " << rc.getDescription() << std::endl; |
| return unwrapError(rc); |
| } |
| |
| ks2::CreateOperationResponse operationResponse; |
| |
| rc = keyEntryResponse.iSecurityLevel->createOperation(keyEntryResponse.metadata.key, |
| sign_params.vector_data(), |
| false /* forced */, &operationResponse); |
| if (!rc.isOk()) { |
| std::cerr << "Failed to create operation: " << rc.getDescription() << std::endl; |
| return unwrapError(rc); |
| } |
| |
| const std::vector<uint8_t> data_to_sign{0x64, 0x61, 0x74, 0x61, 0x5f, 0x74, |
| 0x6f, 0x5f, 0x73, 0x69, 0x67, 0x6e}; |
| std::optional<std::vector<uint8_t>> output_data; |
| rc = operationResponse.iOperation->finish(data_to_sign, {}, &output_data); |
| if (!rc.isOk()) { |
| std::cerr << "Failed to finalize operation: " << rc.getDescription() << std::endl; |
| return unwrapError(rc); |
| } |
| |
| if (!output_data) { |
| std::cerr << "Odd signing succeeded but no signature was returned." << std::endl; |
| return static_cast<int>(ks2::ResponseCode::SYSTEM_ERROR); |
| } |
| auto signature = std::move(*output_data); |
| |
| std::cout << "Sign: " << signature.size() << " bytes." << std::endl; |
| |
| if (auto cert = keyEntryResponse.metadata.certificate) { |
| const uint8_t* p = cert->data(); |
| bssl::UniquePtr<X509> decoded_cert(d2i_X509(nullptr, &p, (long)cert->size())); |
| bssl::UniquePtr<EVP_PKEY> decoded_pkey(X509_get_pubkey(decoded_cert.get())); |
| bssl::UniquePtr<EVP_MD_CTX> ctx(EVP_MD_CTX_new()); |
| if (!ctx) { |
| std::cerr << "Failed to created EVP_MD context. << std::endl"; |
| return static_cast<int>(ks2::ResponseCode::SYSTEM_ERROR); |
| } |
| |
| if (!EVP_DigestVerifyInit(ctx.get(), nullptr, EVP_sha256(), nullptr, decoded_pkey.get()) || |
| !EVP_DigestVerifyUpdate(ctx.get(), data_to_sign.data(), data_to_sign.size()) || |
| EVP_DigestVerifyFinal(ctx.get(), signature.data(), signature.size()) != 1) { |
| std::cerr << "Failed to verify signature." << std::endl; |
| return static_cast<int>(ks2::ResponseCode::SYSTEM_ERROR); |
| } |
| } else { |
| std::cerr << "No public key to check signature against." << std::endl; |
| return static_cast<int>(ks2::ResponseCode::SYSTEM_ERROR); |
| } |
| |
| std::cout << "Verify: OK" << std::endl; |
| return 0; |
| } |
| |
| int Encrypt(const std::string& key_name, const std::string& input_filename, |
| const std::string& output_filename, keymint::SecurityLevel securityLevel) { |
| auto input = ReadFile(input_filename); |
| auto result = encryptWithAuthentication(key_name, input, securityLevel); |
| if (auto error = std::get_if<int>(&result)) { |
| std::cerr << "EncryptWithAuthentication failed." << std::endl; |
| return *error; |
| } |
| WriteFile(output_filename, std::get<std::vector<uint8_t>>(result)); |
| return 0; |
| } |
| |
| int Decrypt(const std::string& key_name, const std::string& input_filename, |
| const std::string& output_filename) { |
| auto input = ReadFile(input_filename); |
| auto result = decryptWithAuthentication(key_name, input); |
| if (auto error = std::get_if<int>(&result)) { |
| std::cerr << "DecryptWithAuthentication failed." << std::endl; |
| return *error; |
| } |
| WriteFile(output_filename, std::get<std::vector<uint8_t>>(result)); |
| return 0; |
| } |
| |
| keymint::SecurityLevel securityLevelOption2SecurlityLevel(const CommandLine& cmd) { |
| if (cmd.HasSwitch("seclevel")) { |
| auto str = cmd.GetSwitchValueASCII("seclevel"); |
| if (str == "strongbox") { |
| return keymint::SecurityLevel::STRONGBOX; |
| } else if (str == "tee") { |
| return keymint::SecurityLevel::TRUSTED_ENVIRONMENT; |
| } |
| std::cerr << "Unknown Security level: " << str << std::endl; |
| std::cerr << "Supported security levels: \"strongbox\" or \"tee\" (default)" << std::endl; |
| } |
| return keymint::SecurityLevel::TRUSTED_ENVIRONMENT; |
| } |
| |
| class ConfirmationListener |
| : public apc::BnConfirmationCallback, |
| public std::promise<std::tuple<apc::ResponseCode, std::optional<std::vector<uint8_t>>>> { |
| public: |
| ConfirmationListener() {} |
| |
| virtual ::ndk::ScopedAStatus |
| onCompleted(::aidl::android::security::apc::ResponseCode result, |
| const std::optional<std::vector<uint8_t>>& dataConfirmed) override { |
| this->set_value({result, dataConfirmed}); |
| return ::ndk::ScopedAStatus::ok(); |
| }; |
| }; |
| |
| int Confirmation(const std::string& promptText, const std::string& extraDataHex, |
| const std::string& locale, const std::string& uiOptionsStr, |
| const std::string& cancelAfter) { |
| ::ndk::SpAIBinder apcBinder(AServiceManager_getService("android.security.apc")); |
| auto apcService = apc::IProtectedConfirmation::fromBinder(apcBinder); |
| if (!apcService) { |
| std::cerr << "Error: could not connect to apc service." << std::endl; |
| return 1; |
| } |
| |
| if (promptText.size() == 0) { |
| printf("The --prompt_text parameter cannot be empty.\n"); |
| return 1; |
| } |
| |
| std::vector<uint8_t> extraData; |
| if (!base::HexStringToBytes(extraDataHex, &extraData)) { |
| printf("The --extra_data parameter does not appear to be valid hexadecimal.\n"); |
| return 1; |
| } |
| |
| std::vector<std::string> pieces = android::base::Tokenize(uiOptionsStr, ","); |
| int uiOptionsAsFlags = 0; |
| for (auto& p : pieces) { |
| int value; |
| if (!base::StringToInt(p, &value)) { |
| printf("Error parsing %s in --ui_options parameter as a number.\n", p.c_str()); |
| return 1; |
| } |
| uiOptionsAsFlags |= (1 << value); |
| } |
| |
| double cancelAfterValue = 0.0; |
| |
| if (cancelAfter.size() > 0 && !base::StringToDouble(cancelAfter, &cancelAfterValue)) { |
| printf("Error parsing %s in --cancel_after parameter as a double.\n", cancelAfter.c_str()); |
| return 1; |
| } |
| |
| auto listener = ndk::SharedRefBase::make<ConfirmationListener>(); |
| |
| auto future = listener->get_future(); |
| auto rc = apcService->presentPrompt(listener, string_replace_all(promptText, "\\n", "\n"), |
| extraData, locale, uiOptionsAsFlags); |
| |
| if (!rc.isOk()) { |
| std::cerr << "Presenting confirmation prompt failed: " << rc.getDescription() << std::endl; |
| return 1; |
| } |
| |
| std::cerr << "Waiting for prompt to complete - use Ctrl+C to abort..." << std::endl; |
| |
| if (cancelAfterValue > 0.0) { |
| std::cerr << "Sleeping " << cancelAfterValue << " seconds before canceling prompt..." |
| << std::endl; |
| auto fstatus = |
| future.wait_for(std::chrono::milliseconds(uint64_t(cancelAfterValue * 1000))); |
| if (fstatus == std::future_status::timeout) { |
| rc = apcService->cancelPrompt(listener); |
| if (!rc.isOk()) { |
| std::cerr << "Canceling confirmation prompt failed: " << rc.getDescription() |
| << std::endl; |
| return 1; |
| } |
| } |
| } |
| |
| future.wait(); |
| |
| auto [responseCode, dataThatWasConfirmed] = future.get(); |
| |
| std::cerr << "Confirmation prompt completed\n" |
| << "responseCode = " << toString(responseCode); |
| size_t newLineCountDown = 16; |
| bool hasPrinted = false; |
| if (dataThatWasConfirmed) { |
| std::cerr << "dataThatWasConfirmed[" << dataThatWasConfirmed->size() << "] = {"; |
| for (uint8_t element : *dataThatWasConfirmed) { |
| if (hasPrinted) { |
| std::cerr << ", "; |
| } |
| if (newLineCountDown == 0) { |
| std::cerr << "\n "; |
| newLineCountDown = 32; |
| } |
| std::cerr << "0x" << std::hex << std::setw(2) << std::setfill('0') << (unsigned)element; |
| |
| hasPrinted = true; |
| } |
| } |
| std::cerr << std::endl; |
| return 0; |
| } |
| |
| } // namespace |
| |
| int main(int argc, char** argv) { |
| CommandLine::Init(argc, argv); |
| CommandLine* command_line = CommandLine::ForCurrentProcess(); |
| CommandLine::StringVector args = command_line->GetArgs(); |
| |
| ABinderProcess_startThreadPool(); |
| |
| if (args.empty()) { |
| PrintUsageAndExit(); |
| } |
| if (args[0] == "brillo-platform-test") { |
| return BrilloPlatformTest(command_line->GetSwitchValueASCII("prefix"), |
| command_line->HasSwitch("test_for_0_3")); |
| } else if (args[0] == "list-brillo-tests") { |
| return ListTestCases(); |
| } else if (args[0] == "generate") { |
| return GenerateKey(command_line->GetSwitchValueASCII("name"), |
| securityLevelOption2SecurlityLevel(*command_line), |
| command_line->HasSwitch("auth_bound")); |
| } else if (args[0] == "get-chars") { |
| return GetCharacteristics(command_line->GetSwitchValueASCII("name")); |
| } else if (args[0] == "export") { |
| return ExportKey(command_line->GetSwitchValueASCII("name")); |
| } else if (args[0] == "delete") { |
| return DeleteKey(command_line->GetSwitchValueASCII("name")); |
| } else if (args[0] == "exists") { |
| return DoesKeyExist(command_line->GetSwitchValueASCII("name")); |
| } else if (args[0] == "list") { |
| return List(); |
| } else if (args[0] == "sign-verify") { |
| return SignAndVerify(command_line->GetSwitchValueASCII("name")); |
| } else if (args[0] == "encrypt") { |
| return Encrypt(command_line->GetSwitchValueASCII("name"), |
| command_line->GetSwitchValueASCII("in"), |
| command_line->GetSwitchValueASCII("out"), |
| securityLevelOption2SecurlityLevel(*command_line)); |
| } else if (args[0] == "decrypt") { |
| return Decrypt(command_line->GetSwitchValueASCII("name"), |
| command_line->GetSwitchValueASCII("in"), |
| command_line->GetSwitchValueASCII("out")); |
| } else if (args[0] == "confirmation") { |
| return Confirmation(command_line->GetSwitchValueNative("prompt_text"), |
| command_line->GetSwitchValueASCII("extra_data"), |
| command_line->GetSwitchValueASCII("locale"), |
| command_line->GetSwitchValueASCII("ui_options"), |
| command_line->GetSwitchValueASCII("cancel_after")); |
| } else { |
| PrintUsageAndExit(); |
| } |
| return 0; |
| } |
