// 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 <memory> #include <string> #include <vector> #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 <base/strings/string_util.h> #include <base/strings/utf_string_conversions.h> #include <base/threading/platform_thread.h> #include <keystore/keymaster_types.h> #include <keystore/keystore_client_impl.h> #include <android/hardware/confirmationui/1.0/types.h> #include <android/security/BnConfirmationPromptCallback.h> #include <android/security/keystore/IKeystoreService.h> #include <binder/IPCThreadState.h> #include <binder/IServiceManager.h> //#include <keystore/keystore.h> using base::CommandLine; using keystore::KeystoreClient; using android::sp; using android::String16; using android::security::keystore::IKeystoreService; using base::CommandLine; using ConfirmationResponseCode = android::hardware::confirmationui::V1_0::ResponseCode; namespace { using namespace keystore; struct TestCase { std::string name; bool required_for_brillo_pts; AuthorizationSet parameters; }; 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::unique_ptr<KeystoreClient> CreateKeystoreInstance() { return std::unique_ptr<KeystoreClient>( static_cast<KeystoreClient*>(new keystore::KeystoreClientImpl)); } void PrintTags(const AuthorizationSet& parameters) { for (auto iter = parameters.begin(); iter != parameters.end(); ++iter) { auto tag_str = toString(iter->tag); printf(" %s\n", tag_str.c_str()); } } void PrintKeyCharacteristics(const AuthorizationSet& hardware_enforced_characteristics, const AuthorizationSet& software_enforced_characteristics) { printf("Hardware:\n"); PrintTags(hardware_enforced_characteristics); printf("Software:\n"); PrintTags(software_enforced_characteristics); } bool TestKey(const std::string& name, bool required, const AuthorizationSet& parameters) { std::unique_ptr<KeystoreClient> keystore = CreateKeystoreInstance(); AuthorizationSet hardware_enforced_characteristics; AuthorizationSet software_enforced_characteristics; auto result = keystore->generateKey("tmp", parameters, 0 /*flags*/, &hardware_enforced_characteristics, &software_enforced_characteristics); const char kBoldRedAbort[] = "\033[1;31mABORT\033[0m"; if (!result.isOk()) { LOG(ERROR) << "Failed to generate key: " << result; printf("[%s] %s\n", kBoldRedAbort, name.c_str()); return false; } result = keystore->deleteKey("tmp"); if (!result.isOk()) { LOG(ERROR) << "Failed to delete key: " << result; printf("[%s] %s\n", kBoldRedAbort, name.c_str()); return false; } printf("===============================================================\n"); printf("%s Key Characteristics:\n", name.c_str()); PrintKeyCharacteristics(hardware_enforced_characteristics, software_enforced_characteristics); bool hardware_backed = (hardware_enforced_characteristics.size() > 0); if (software_enforced_characteristics.GetTagCount(TAG_ALGORITHM) > 0 || software_enforced_characteristics.GetTagCount(TAG_KEY_SIZE) > 0 || software_enforced_characteristics.GetTagCount(TAG_RSA_PUBLIC_EXPONENT) > 0) { 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); } AuthorizationSet GetRSASignParameters(uint32_t key_size, bool sha256_only) { AuthorizationSetBuilder parameters; parameters.RsaSigningKey(key_size, 65537) .Digest(Digest::SHA_2_256) .Padding(PaddingMode::RSA_PKCS1_1_5_SIGN) .Padding(PaddingMode::RSA_PSS) .Authorization(TAG_NO_AUTH_REQUIRED); if (!sha256_only) { parameters.Digest(Digest::SHA_2_224).Digest(Digest::SHA_2_384).Digest(Digest::SHA_2_512); } return std::move(parameters); } AuthorizationSet GetRSAEncryptParameters(uint32_t key_size) { AuthorizationSetBuilder parameters; parameters.RsaEncryptionKey(key_size, 65537) .Padding(PaddingMode::RSA_PKCS1_1_5_ENCRYPT) .Padding(PaddingMode::RSA_OAEP) .Authorization(TAG_NO_AUTH_REQUIRED); return std::move(parameters); } AuthorizationSet GetECDSAParameters(uint32_t key_size, bool sha256_only) { AuthorizationSetBuilder parameters; parameters.EcdsaSigningKey(key_size) .Digest(Digest::SHA_2_256) .Authorization(TAG_NO_AUTH_REQUIRED); if (!sha256_only) { parameters.Digest(Digest::SHA_2_224).Digest(Digest::SHA_2_384).Digest(Digest::SHA_2_512); } return std::move(parameters); } AuthorizationSet GetAESParameters(uint32_t key_size, bool with_gcm_mode) { AuthorizationSetBuilder parameters; parameters.AesEncryptionKey(key_size).Authorization(TAG_NO_AUTH_REQUIRED); if (with_gcm_mode) { parameters.Authorization(TAG_BLOCK_MODE, BlockMode::GCM) .Authorization(TAG_MIN_MAC_LENGTH, 128); } else { parameters.Authorization(TAG_BLOCK_MODE, BlockMode::ECB); parameters.Authorization(TAG_BLOCK_MODE, BlockMode::CBC); parameters.Authorization(TAG_BLOCK_MODE, BlockMode::CTR); parameters.Padding(PaddingMode::NONE); } return std::move(parameters); } AuthorizationSet GetHMACParameters(uint32_t key_size, Digest digest) { AuthorizationSetBuilder parameters; parameters.HmacKey(key_size) .Digest(digest) .Authorization(TAG_MIN_MAC_LENGTH, 224) .Authorization(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(256, true)}, {"ECDSA-P256 Sign (more digests)", false, GetECDSAParameters(256, false)}, {"ECDSA-P224 Sign", false, GetECDSAParameters(224, false)}, {"ECDSA-P384 Sign", false, GetECDSAParameters(384, false)}, {"ECDSA-P521 Sign", false, GetECDSAParameters(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, Digest::SHA_2_256)}, {"HMAC-SHA256-32", true, GetHMACParameters(32, Digest::SHA_2_256)}, {"HMAC-SHA256-64", false, GetHMACParameters(64, Digest::SHA_2_256)}, {"HMAC-SHA224-32", false, GetHMACParameters(32, Digest::SHA_2_224)}, {"HMAC-SHA384-32", false, GetHMACParameters(32, Digest::SHA_2_384)}, {"HMAC-SHA512-32", false, GetHMACParameters(32, 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() && !base::StartsWith(test_case.name, prefix, base::CompareCase::SENSITIVE)) { continue; } if (test_for_0_3 && (base::StartsWith(test_case.name, "AES", base::CompareCase::SENSITIVE) || base::StartsWith(test_case.name, "HMAC", base::CompareCase::SENSITIVE))) { continue; } ++test_count; if (!TestKey(test_case.name, test_case.required_for_brillo_pts, test_case.parameters)) { 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::string 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); } return content; } void WriteFile(const std::string& filename, const std::string& content) { base::FilePath path(filename); int size = content.size(); if (base::WriteFile(path, content.data(), size) != size) { printf("Failed to write file: %s\n", filename.c_str()); exit(1); } } int AddEntropy(const std::string& input, int32_t flags) { std::unique_ptr<KeystoreClient> keystore = CreateKeystoreInstance(); int32_t result = keystore->addRandomNumberGeneratorEntropy(input, flags).getErrorCode(); printf("AddEntropy: %d\n", result); return result; } // Note: auth_bound keys created with this tool will not be usable. int GenerateKey(const std::string& name, int32_t flags, bool auth_bound) { std::unique_ptr<KeystoreClient> keystore = CreateKeystoreInstance(); AuthorizationSetBuilder params; params.RsaSigningKey(2048, 65537) .Digest(Digest::SHA_2_224) .Digest(Digest::SHA_2_256) .Digest(Digest::SHA_2_384) .Digest(Digest::SHA_2_512) .Padding(PaddingMode::RSA_PKCS1_1_5_SIGN) .Padding(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(TAG_USER_SECURE_ID, 0); } else { params.Authorization(TAG_NO_AUTH_REQUIRED); } AuthorizationSet hardware_enforced_characteristics; AuthorizationSet software_enforced_characteristics; auto result = keystore->generateKey(name, params, flags, &hardware_enforced_characteristics, &software_enforced_characteristics); printf("GenerateKey: %d\n", result.getErrorCode()); if (result.isOk()) { PrintKeyCharacteristics(hardware_enforced_characteristics, software_enforced_characteristics); } return result.getErrorCode(); } int GetCharacteristics(const std::string& name) { std::unique_ptr<KeystoreClient> keystore = CreateKeystoreInstance(); AuthorizationSet hardware_enforced_characteristics; AuthorizationSet software_enforced_characteristics; auto result = keystore->getKeyCharacteristics(name, &hardware_enforced_characteristics, &software_enforced_characteristics); printf("GetCharacteristics: %d\n", result.getErrorCode()); if (result.isOk()) { PrintKeyCharacteristics(hardware_enforced_characteristics, software_enforced_characteristics); } return result.getErrorCode(); } int ExportKey(const std::string& name) { std::unique_ptr<KeystoreClient> keystore = CreateKeystoreInstance(); std::string data; int32_t result = keystore->exportKey(KeyFormat::X509, name, &data).getErrorCode(); printf("ExportKey: %d (%zu)\n", result, data.size()); return result; } int DeleteKey(const std::string& name) { std::unique_ptr<KeystoreClient> keystore = CreateKeystoreInstance(); int32_t result = keystore->deleteKey(name).getErrorCode(); printf("DeleteKey: %d\n", result); return result; } int DeleteAllKeys() { std::unique_ptr<KeystoreClient> keystore = CreateKeystoreInstance(); int32_t result = keystore->deleteAllKeys().getErrorCode(); printf("DeleteAllKeys: %d\n", result); return result; } int DoesKeyExist(const std::string& name) { std::unique_ptr<KeystoreClient> keystore = CreateKeystoreInstance(); printf("DoesKeyExist: %s\n", keystore->doesKeyExist(name) ? "yes" : "no"); return 0; } int List(const std::string& prefix) { std::unique_ptr<KeystoreClient> keystore = CreateKeystoreInstance(); std::vector<std::string> key_list; if (!keystore->listKeys(prefix, &key_list)) { printf("ListKeys failed.\n"); return 1; } printf("Keys:\n"); for (const auto& key_name : key_list) { printf(" %s\n", key_name.c_str()); } return 0; } int ListAppsWithKeys() { sp<android::IServiceManager> sm = android::defaultServiceManager(); sp<android::IBinder> binder = sm->getService(String16("android.security.keystore")); sp<IKeystoreService> service = android::interface_cast<IKeystoreService>(binder); if (service == nullptr) { fprintf(stderr, "Error connecting to keystore service.\n"); return 1; } int32_t aidl_return; ::std::vector<::std::string> uids; android::binder::Status status = service->listUidsOfAuthBoundKeys(&uids, &aidl_return); if (!status.isOk()) { fprintf(stderr, "Requesting uids of auth bound keys failed with error %s.\n", status.toString8().c_str()); return 1; } if (!KeyStoreNativeReturnCode(aidl_return).isOk()) { fprintf(stderr, "Requesting uids of auth bound keys failed with code %d.\n", aidl_return); return 1; } printf("Apps with auth bound keys:\n"); for (auto i = uids.begin(); i != uids.end(); ++i) { printf("%s\n", i->c_str()); } return 0; } int SignAndVerify(const std::string& name) { std::unique_ptr<KeystoreClient> keystore = CreateKeystoreInstance(); AuthorizationSetBuilder sign_params; sign_params.Padding(PaddingMode::RSA_PKCS1_1_5_SIGN); sign_params.Digest(Digest::SHA_2_256); AuthorizationSet output_params; uint64_t handle; auto result = keystore->beginOperation(KeyPurpose::SIGN, name, sign_params, &output_params, &handle); if (!result.isOk()) { printf("Sign: BeginOperation failed: %d\n", result.getErrorCode()); return result.getErrorCode(); } AuthorizationSet empty_params; size_t num_input_bytes_consumed; std::string output_data; result = keystore->updateOperation(handle, empty_params, "data_to_sign", &num_input_bytes_consumed, &output_params, &output_data); if (!result.isOk()) { printf("Sign: UpdateOperation failed: %d\n", result.getErrorCode()); return result.getErrorCode(); } result = keystore->finishOperation(handle, empty_params, std::string() /*signature_to_verify*/, &output_params, &output_data); if (!result.isOk()) { printf("Sign: FinishOperation failed: %d\n", result.getErrorCode()); return result.getErrorCode(); } printf("Sign: %zu bytes.\n", output_data.size()); // We have a signature, now verify it. std::string signature_to_verify = output_data; output_data.clear(); result = keystore->beginOperation(KeyPurpose::VERIFY, name, sign_params, &output_params, &handle); if (!result.isOk()) { printf("Verify: BeginOperation failed: %d\n", result.getErrorCode()); return result.getErrorCode(); } result = keystore->updateOperation(handle, empty_params, "data_to_sign", &num_input_bytes_consumed, &output_params, &output_data); if (!result.isOk()) { printf("Verify: UpdateOperation failed: %d\n", result.getErrorCode()); return result.getErrorCode(); } result = keystore->finishOperation(handle, empty_params, signature_to_verify, &output_params, &output_data); if (result == ErrorCode::VERIFICATION_FAILED) { printf("Verify: Failed to verify signature.\n"); return result.getErrorCode(); } if (!result.isOk()) { printf("Verify: FinishOperation failed: %d\n", result.getErrorCode()); return result.getErrorCode(); } printf("Verify: OK\n"); return 0; } int Encrypt(const std::string& key_name, const std::string& input_filename, const std::string& output_filename, int32_t flags) { std::unique_ptr<KeystoreClient> keystore = CreateKeystoreInstance(); std::string input = ReadFile(input_filename); std::string output; if (!keystore->encryptWithAuthentication(key_name, input, flags, &output)) { printf("EncryptWithAuthentication failed.\n"); return 1; } WriteFile(output_filename, output); return 0; } int Decrypt(const std::string& key_name, const std::string& input_filename, const std::string& output_filename) { std::unique_ptr<KeystoreClient> keystore = CreateKeystoreInstance(); std::string input = ReadFile(input_filename); std::string output; if (!keystore->decryptWithAuthentication(key_name, input, &output)) { printf("DecryptWithAuthentication failed.\n"); return 1; } WriteFile(output_filename, output); return 0; } uint32_t securityLevelOption2Flags(const CommandLine& cmd) { if (cmd.HasSwitch("seclevel")) { auto str = cmd.GetSwitchValueASCII("seclevel"); if (str == "strongbox") { return KEYSTORE_FLAG_STRONGBOX; } else if (str == "software") { return KEYSTORE_FLAG_FALLBACK; } } return KEYSTORE_FLAG_NONE; } class ConfirmationListener : public android::security::BnConfirmationPromptCallback, public std::promise<std::tuple<ConfirmationResponseCode, std::vector<uint8_t>>> { public: ConfirmationListener() {} virtual ::android::binder::Status onConfirmationPromptCompleted(int32_t result, const ::std::vector<uint8_t>& dataThatWasConfirmed) override { this->set_value({static_cast<ConfirmationResponseCode>(result), dataThatWasConfirmed}); return ::android::binder::Status::ok(); } }; int Confirmation(const std::string& promptText, const std::string& extraDataHex, const std::string& locale, const std::string& uiOptionsStr, const std::string& cancelAfter) { sp<android::IServiceManager> sm = android::defaultServiceManager(); sp<android::IBinder> binder = sm->getService(String16("android.security.keystore")); sp<IKeystoreService> service = android::interface_cast<IKeystoreService>(binder); if (service == nullptr) { printf("error: could not connect to keystore service.\n"); 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 = base::SplitString(uiOptionsStr, ",", base::TRIM_WHITESPACE, base::SPLIT_WANT_NONEMPTY); 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; } String16 promptText16(promptText.data(), promptText.size()); String16 locale16(locale.data(), locale.size()); sp<ConfirmationListener> listener = new ConfirmationListener(); auto future = listener->get_future(); int32_t aidl_return; android::binder::Status status = service->presentConfirmationPrompt( listener, promptText16, extraData, locale16, uiOptionsAsFlags, &aidl_return); if (!status.isOk()) { printf("Presenting confirmation prompt failed with binder status '%s'.\n", status.toString8().c_str()); return 1; } ConfirmationResponseCode responseCode = static_cast<ConfirmationResponseCode>(aidl_return); if (responseCode != ConfirmationResponseCode::OK) { printf("Presenting confirmation prompt failed with response code %d.\n", responseCode); return 1; } printf("Waiting for prompt to complete - use Ctrl+C to abort...\n"); if (cancelAfterValue > 0.0) { printf("Sleeping %.1f seconds before canceling prompt...\n", cancelAfterValue); auto fstatus = future.wait_for(std::chrono::milliseconds(uint64_t(cancelAfterValue * 1000))); if (fstatus == std::future_status::timeout) { status = service->cancelConfirmationPrompt(listener, &aidl_return); if (!status.isOk()) { printf("Canceling confirmation prompt failed with binder status '%s'.\n", status.toString8().c_str()); return 1; } responseCode = static_cast<ConfirmationResponseCode>(aidl_return); if (responseCode == ConfirmationResponseCode::Ignored) { // The confirmation was completed by the user so take the response } else if (responseCode != ConfirmationResponseCode::OK) { printf("Canceling confirmation prompt failed with response code %d.\n", responseCode); return 1; } } } future.wait(); auto [rc, dataThatWasConfirmed] = future.get(); printf("Confirmation prompt completed\n" "responseCode = %d\n", rc); printf("dataThatWasConfirmed[%zd] = {", dataThatWasConfirmed.size()); size_t newLineCountDown = 16; bool hasPrinted = false; for (uint8_t element : dataThatWasConfirmed) { if (hasPrinted) { printf(", "); } if (newLineCountDown == 0) { printf("\n "); newLineCountDown = 32; } printf("0x%02x", element); hasPrinted = true; } printf("}\n"); return 0; } } // namespace int main(int argc, char** argv) { CommandLine::Init(argc, argv); CommandLine* command_line = CommandLine::ForCurrentProcess(); CommandLine::StringVector args = command_line->GetArgs(); android::ProcessState::self()->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] == "add-entropy") { return AddEntropy(command_line->GetSwitchValueASCII("input"), securityLevelOption2Flags(*command_line)); } else if (args[0] == "generate") { return GenerateKey(command_line->GetSwitchValueASCII("name"), securityLevelOption2Flags(*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] == "delete-all") { return DeleteAllKeys(); } else if (args[0] == "exists") { return DoesKeyExist(command_line->GetSwitchValueASCII("name")); } else if (args[0] == "list") { return List(command_line->GetSwitchValueASCII("prefix")); } else if (args[0] == "list-apps-with-keys") { return ListAppsWithKeys(); } 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"), securityLevelOption2Flags(*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; }