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-rw-r--r--src/core/GpgGenKeyInfo.cpp284
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diff --git a/src/core/GpgGenKeyInfo.cpp b/src/core/GpgGenKeyInfo.cpp
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-/**
- * 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 "core/GpgGenKeyInfo.h"
-
-#include <algorithm>
-#include <boost/date_time/gregorian/greg_date.hpp>
-#include <boost/date_time/gregorian/greg_duration.hpp>
-#include <boost/date_time/gregorian/gregorian_types.hpp>
-#include <cassert>
-#include <string>
-#include <vector>
-
-void GpgFrontend::GenKeyInfo::SetAlgo(
- const GpgFrontend::GenKeyInfo::KeyGenAlgo &m_algo) {
- SPDLOG_DEBUG("set algo name: {}", m_algo.first);
- // Check algo if supported
- std::string algo_args = m_algo.second;
- if (standalone_) {
- if (!subkey_) {
- auto support_algo = GetSupportedKeyAlgoStandalone();
- auto it = std::find_if(
- support_algo.begin(), support_algo.end(),
- [=](const KeyGenAlgo &o) { return o.second == algo_args; });
- // Algo Not Supported
- if (it == support_algo.end()) return;
- } else {
- auto support_algo = GetSupportedSubkeyAlgoStandalone();
- auto it = std::find_if(
- support_algo.begin(), support_algo.end(),
- [=](const KeyGenAlgo &o) { return o.second == algo_args; });
- // Algo Not Supported
- if (it == support_algo.end()) return;
- }
- } else {
- if (!subkey_) {
- auto support_algo = GetSupportedKeyAlgo();
- auto it = std::find_if(
- support_algo.begin(), support_algo.end(),
- [=](const KeyGenAlgo &o) { return o.second == algo_args; });
- // Algo Not Supported
- if (it == support_algo.end()) return;
- } else {
- auto support_algo = GetSupportedSubkeyAlgo();
- auto it = std::find_if(
- support_algo.begin(), support_algo.end(),
- [=](const KeyGenAlgo &o) { return o.second == algo_args; });
- // Algo Not Supported
- if (it == support_algo.end()) return;
- }
- }
-
- // reset all options
- reset_options();
-
- if (!this->subkey_) {
- this->SetAllowCertification(true);
- } else {
- this->SetAllowCertification(false);
- }
-
- this->allow_change_certification_ = false;
-
- if (!standalone_) boost::algorithm::to_lower(algo_args);
-
- if (algo_args == "rsa") {
- /**
- * RSA is the world’s premier asymmetric cryptographic algorithm,
- * and is built on the difficulty of factoring extremely large composites.
- * GnuPG supports RSA with key sizes of between 1024 and 4096 bits.
- */
- suggest_min_key_size_ = 1024;
- suggest_max_key_size_ = 4096;
- suggest_size_addition_step_ = 1024;
- SetKeyLength(2048);
-
- } else if (algo_args == "dsa") {
- /**
- * Algorithm (DSA) as a government standard for digital signatures.
- * Originally, it supported key lengths between 512 and 1024 bits.
- * Recently, NIST has declared 512-bit keys obsolete:
- * now, DSA is available in 1024, 2048 and 3072-bit lengths.
- */
- SetAllowEncryption(false);
- allow_change_encryption_ = false;
-
- suggest_min_key_size_ = 1024;
- suggest_max_key_size_ = 3072;
- suggest_size_addition_step_ = 1024;
- SetKeyLength(2048);
-
- } else if (algo_args == "ed25519") {
- /**
- * GnuPG supports the Elgamal asymmetric encryption algorithm in key lengths
- * ranging from 1024 to 4096 bits.
- */
- SetAllowEncryption(false);
- allow_change_encryption_ = false;
-
- suggest_min_key_size_ = -1;
- suggest_max_key_size_ = -1;
- suggest_size_addition_step_ = -1;
- SetKeyLength(-1);
- } else if (algo_args == "cv25519") {
- SetAllowAuthentication(false);
- allow_change_authentication_ = false;
-
- SetAllowSigning(false);
- allow_change_signing_ = false;
-
- SetAllowCertification(false);
- allow_change_certification_ = false;
-
- suggest_min_key_size_ = 1024;
- suggest_max_key_size_ = 4096;
- suggest_size_addition_step_ = 1024;
- SetKeyLength(2048);
- } else if (algo_args == "nistp256" || algo_args == "nistp384" ||
- algo_args == "nistp521") {
- SetAllowAuthentication(false);
- allow_change_authentication_ = false;
-
- SetAllowSigning(false);
- allow_change_signing_ = false;
-
- SetAllowCertification(false);
- allow_change_certification_ = false;
-
- suggest_min_key_size_ = -1;
- suggest_max_key_size_ = -1;
- suggest_size_addition_step_ = -1;
- SetKeyLength(-1);
- } else if (algo_args == "brainpoolp256r1") {
- SetAllowAuthentication(false);
- allow_change_authentication_ = false;
-
- SetAllowSigning(false);
- allow_change_signing_ = false;
-
- SetAllowCertification(false);
- allow_change_certification_ = false;
-
- suggest_min_key_size_ = -1;
- suggest_max_key_size_ = -1;
- suggest_size_addition_step_ = -1;
- SetKeyLength(-1);
- }
-
- this->algo_ = algo_args;
-}
-
-void GpgFrontend::GenKeyInfo::reset_options() {
- allow_change_encryption_ = true;
- SetAllowEncryption(true);
-
- allow_change_certification_ = true;
- SetAllowCertification(true);
-
- allow_change_signing_ = true;
- SetAllowSigning(true);
-
- allow_change_authentication_ = true;
- SetAllowAuthentication(true);
-
- passphrase_.clear();
-}
-
-std::string GpgFrontend::GenKeyInfo::GetKeySizeStr() const {
- if (key_size_ > 0) {
- return std::to_string(key_size_);
- } else {
- return {};
- }
-}
-
-void GpgFrontend::GenKeyInfo::SetKeyLength(int m_key_size) {
- if (m_key_size < suggest_min_key_size_ ||
- m_key_size > suggest_max_key_size_) {
- return;
- }
- GenKeyInfo::key_size_ = m_key_size;
-}
-
-void GpgFrontend::GenKeyInfo::SetExpireTime(
- const boost::posix_time::ptime &m_expired) {
- using namespace boost::gregorian;
- if (!IsNonExpired()) {
- GenKeyInfo::expired_ = m_expired;
- }
-}
-
-void GpgFrontend::GenKeyInfo::SetNonExpired(bool m_non_expired) {
- using namespace boost::posix_time;
- if (!m_non_expired) this->expired_ = from_time_t(0);
- GenKeyInfo::non_expired_ = m_non_expired;
-}
-
-void GpgFrontend::GenKeyInfo::SetAllowEncryption(bool m_allow_encryption) {
- if (allow_change_encryption_)
- GenKeyInfo::allow_encryption_ = m_allow_encryption;
-}
-
-void GpgFrontend::GenKeyInfo::SetAllowCertification(
- bool m_allow_certification) {
- if (allow_change_certification_)
- GenKeyInfo::allow_certification_ = m_allow_certification;
-}
-
-GpgFrontend::GenKeyInfo::GenKeyInfo(bool m_is_sub_key, bool m_standalone)
- : standalone_(m_standalone), subkey_(m_is_sub_key) {
- assert(GetSupportedKeyAlgo().size() > 0);
- SetAlgo(GetSupportedKeyAlgo()[0]);
-}
-
-const std::vector<GpgFrontend::GenKeyInfo::KeyGenAlgo>
- &GpgFrontend::GenKeyInfo::GetSupportedKeyAlgo() {
- static const std::vector<GpgFrontend::GenKeyInfo::KeyGenAlgo>
- support_key_algo = {
- {"RSA", "RSA"},
- {"DSA", "DSA"},
- {"ECDSA", "ED25519"},
- };
- return support_key_algo;
-}
-
-const std::vector<GpgFrontend::GenKeyInfo::KeyGenAlgo>
- &GpgFrontend::GenKeyInfo::GetSupportedSubkeyAlgo() {
- static const std::vector<GpgFrontend::GenKeyInfo::KeyGenAlgo>
- support_subkey_algo = {
- {"RSA", "RSA"},
- {"DSA", "DSA"},
- {"ECDSA", "ED25519"},
- {"ECDH NIST P-256", "NISTP256"},
- {"ECDH NIST P-384", "NISTP384"},
- {"ECDH NIST P-521", "NISTP521"},
- // {"ECDH BrainPool P-256", "BRAINPOOlP256R1"}
- };
- return support_subkey_algo;
-}
-
-const std::vector<GpgFrontend::GenKeyInfo::KeyGenAlgo>
- &GpgFrontend::GenKeyInfo::GetSupportedKeyAlgoStandalone() {
- static const std::vector<GpgFrontend::GenKeyInfo::KeyGenAlgo>
- support_subkey_algo_standalone = {
- {"RSA", "RSA"},
- {"DSA", "DSA"},
- };
- return support_subkey_algo_standalone;
-}
-
-const std::vector<GpgFrontend::GenKeyInfo::KeyGenAlgo>
- &GpgFrontend::GenKeyInfo::GetSupportedSubkeyAlgoStandalone() {
- static const std::vector<GpgFrontend::GenKeyInfo::KeyGenAlgo>
- support_subkey_algo_standalone = {
- {"RSA", "RSA"},
- {"DSA", "DSA"},
- };
- return support_subkey_algo_standalone;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-27 16:32:17 +0000