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-rw-r--r--src/core/CMakeLists.txt1
-rw-r--r--src/core/GpgConstants.cpp2
-rw-r--r--src/core/key_package/KeyPackageOperator.cpp108
-rw-r--r--src/core/key_package/KeyPackageOperator.h130
4 files changed, 240 insertions, 1 deletions
diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index 27a4f81c..5fd37a18 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -27,6 +27,7 @@
aux_source_directory(./result_analyse GPG_SOURCE)
aux_source_directory(./function GPG_SOURCE)
aux_source_directory(./model GPG_SOURCE)
+aux_source_directory(./key_package GPG_SOURCE)
aux_source_directory(./aes GPG_SOURCE)
aux_source_directory(./file GPG_SOURCE)
aux_source_directory(. GPG_SOURCE)
diff --git a/src/core/GpgConstants.cpp b/src/core/GpgConstants.cpp
index 838164d1..8617e2b9 100644
--- a/src/core/GpgConstants.cpp
+++ b/src/core/GpgConstants.cpp
@@ -47,7 +47,7 @@ const char* GpgFrontend::GpgConstants::PGP_SIGNATURE_BEGIN =
const char* GpgFrontend::GpgConstants::PGP_SIGNATURE_END =
"-----END PGP SIGNATURE-----"; ///<
const char* GpgFrontend::GpgConstants::PGP_PUBLIC_KEY_BEGIN =
- "------BEGIN PGP PUBLIC KEY BLOCK-----"; ///<
+ "-----BEGIN PGP PUBLIC KEY BLOCK-----"; ///<
const char* GpgFrontend::GpgConstants::PGP_PRIVATE_KEY_BEGIN =
"-----BEGIN PGP PRIVATE KEY BLOCK-----"; ///<
const char* GpgFrontend::GpgConstants::GPG_FRONTEND_SHORT_CRYPTO_HEAD =
diff --git a/src/core/key_package/KeyPackageOperator.cpp b/src/core/key_package/KeyPackageOperator.cpp
new file mode 100644
index 00000000..b0e21f9f
--- /dev/null
+++ b/src/core/key_package/KeyPackageOperator.cpp
@@ -0,0 +1,108 @@
+/**
+ * Copyright (C) 2021 Saturneric
+ *
+ * This file is part of GpgFrontend.
+ *
+ * GpgFrontend is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GpgFrontend is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GpgFrontend. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The initial version of the source code is inherited from
+ * the gpg4usb project, which is under GPL-3.0-or-later.
+ *
+ * All the source code of GpgFrontend was modified and released by
+ * Saturneric<[email protected]> starting on May 12, 2021.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ */
+
+#include "KeyPackageOperator.h"
+
+#include <qt-aes/qaesencryption.h>
+
+#include "core/file/FileOperator.h"
+#include "core/function/GpgKeyGetter.h"
+#include "core/function/GpgKeyImportExporter.h"
+
+namespace GpgFrontend {
+
+bool KeyPackageOperator::GeneratePassphrase(
+ const std::filesystem::path& phrase_path, std::string& phrase) {
+ phrase = generate_passphrase(256);
+ return FileOperator::WriteFileStd(phrase_path, phrase);
+}
+
+bool KeyPackageOperator::GenerateKeyPackage(
+ const std::filesystem::path& key_package_path,
+ const std::string& key_package_name, KeyIdArgsListPtr& key_ids,
+ std::string& phrase, bool secret) {
+ ByteArrayPtr key_export_data = nullptr;
+ if (!GpgKeyImportExporter::GetInstance().ExportKeys(key_ids, key_export_data,
+ secret)) {
+ return false;
+ }
+
+ auto key = QByteArray::fromStdString(phrase);
+ auto data = QString::fromStdString(*key_export_data).toLocal8Bit().toBase64();
+
+ auto hash_key = QCryptographicHash::hash(key, QCryptographicHash::Sha256);
+ QAESEncryption encryption(QAESEncryption::AES_256, QAESEncryption::ECB,
+ QAESEncryption::Padding::ISO);
+ auto encoded = encryption.encode(data, hash_key);
+
+ return FileOperator::WriteFileStd(key_package_path, encoded.toStdString());
+}
+
+bool KeyPackageOperator::ImportKeyPackage(
+ const std::filesystem::path& key_package_path,
+ const std::filesystem::path& phrase_path, GpgFrontend::GpgImportInformation &import_info) {
+
+ std::string encrypted_data;
+ FileOperator::ReadFileStd(key_package_path, encrypted_data);
+
+ if (encrypted_data.empty()) {
+ return false;
+ };
+
+ std::string passphrase;
+ FileOperator::ReadFileStd(phrase_path, passphrase);
+ if (passphrase.size() != 256) {
+ return false;
+ }
+
+ auto hash_key = QCryptographicHash::hash(
+ QByteArray::fromStdString(passphrase), QCryptographicHash::Sha256);
+ auto encoded = QByteArray::fromStdString(encrypted_data);
+
+ QAESEncryption encryption(QAESEncryption::AES_256, QAESEncryption::ECB,
+ QAESEncryption::Padding::ISO);
+
+ auto decoded = encryption.removePadding(encryption.decode(encoded, hash_key));
+ auto key_data = QByteArray::fromBase64(decoded);
+
+ if (!key_data.startsWith(GpgConstants::PGP_PUBLIC_KEY_BEGIN) &&
+ !key_data.startsWith(GpgConstants::PGP_PRIVATE_KEY_BEGIN)) {
+ return false;
+ }
+
+ auto key_data_ptr = std::make_unique<ByteArray>(key_data.toStdString());
+ import_info =
+ GpgKeyImportExporter::GetInstance().ImportKey(std::move(key_data_ptr));
+ return true;
+}
+
+std::string KeyPackageOperator::GenerateKeyPackageName() {
+ return generate_key_package_name();
+}
+
+} // namespace GpgFrontend
diff --git a/src/core/key_package/KeyPackageOperator.h b/src/core/key_package/KeyPackageOperator.h
new file mode 100644
index 00000000..d4185ac8
--- /dev/null
+++ b/src/core/key_package/KeyPackageOperator.h
@@ -0,0 +1,130 @@
+/**
+ * Copyright (C) 2021 Saturneric
+ *
+ * This file is part of GpgFrontend.
+ *
+ * GpgFrontend is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GpgFrontend is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GpgFrontend. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The initial version of the source code is inherited from
+ * the gpg4usb project, which is under GPL-3.0-or-later.
+ *
+ * All the source code of GpgFrontend was modified and released by
+ * Saturneric<[email protected]> starting on May 12, 2021.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ */
+
+#ifndef GPGFRONTEND_KEYPACKAGEOPERATOR_H
+#define GPGFRONTEND_KEYPACKAGEOPERATOR_H
+
+#include "core/GpgFrontendCore.h"
+#include "core/function/GpgKeyImportExporter.h"
+
+namespace GpgFrontend {
+
+/**
+ * @brief give the possibility to import or export a key package
+ *
+ */
+class KeyPackageOperator {
+public:
+ /**
+ * @brief generate passphrase for key package and save it to file
+ *
+ * @param phrase_path path to passphrase file
+ * @param phrase passphrase generated
+ * @return true if passphrase was generated and saved
+ * @return false if passphrase was not generated and saved
+ */
+ static bool GeneratePassphrase(const std::filesystem::path &phrase_path,
+ std::string &phrase);
+
+ /**
+ * @brief generate the name of the key package
+ *
+ * @return std::string name of the key package
+ */
+ static std::string GenerateKeyPackageName();
+
+ /**
+ * @brief generate key package
+ *
+ * @param key_package_path path to key package
+ * @param key_package_name name of the key package
+ * @param key_ids key ids to export
+ * @param phrase passphrase to encrypt key package
+ * @param secret true if secret key should be exported
+ * @return true if key package was generated
+ * @return false if key package was not generated
+ */
+ static bool GenerateKeyPackage(const std::filesystem::path &key_package_path,
+ const std::string &key_package_name,
+ KeyIdArgsListPtr &key_ids, std::string &phrase,
+ bool secret);
+
+ /**
+ * @brief import key package
+ *
+ * @param key_package_path path to key package
+ * @param phrase_path path to passphrase file
+ * @param import_info import info
+ * @return true if key package was imported
+ * @return false if key package was not imported
+ */
+ static bool ImportKeyPackage(const std::filesystem::path &key_package_path,
+ const std::filesystem::path &phrase_path,
+ GpgFrontend::GpgImportInformation &import_info);
+
+private:
+ /**
+ * @brief genearte passphrase
+ *
+ * @param len length of the passphrase
+ * @return std::string passphrase
+ */
+ static std::string generate_passphrase(const int len) {
+ std::random_device rd_; ///< Random device
+ auto mt_ = std::mt19937(rd_()); ///< Mersenne twister
+
+ std::uniform_int_distribution<int> dist(999, 99999);
+ static const char alphanum[] = "0123456789"
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+ "abcdefghijklmnopqrstuvwxyz";
+ std::string tmp_str;
+ tmp_str.reserve(len);
+
+ for (int i = 0; i < len; ++i) {
+ tmp_str += alphanum[dist(mt_) % (sizeof(alphanum) - 1)];
+ }
+ return tmp_str;
+ }
+
+ /**
+ * @brief generate key package name
+ *
+ * @return std::string key package name
+ */
+ static std::string generate_key_package_name() {
+ std::random_device rd_; ///< Random device
+ auto mt_ = std::mt19937(rd_()); ///< Mersenne twister
+
+ std::uniform_int_distribution<int> dist(999, 99999);
+ auto file_string = boost::format("KeyPackage_%1%") % dist(mt_);
+ return file_string.str();
+ }
+};
+} // namespace GpgFrontend
+
+#endif // GPGFRONTEND_KEYPACKAGEOPERATOR_H