1/*
2 Copyright (C) 2007 Justin Karneges <justin@affinix.com>
3
4 Permission is hereby granted, free of charge, to any person obtaining a copy
5 of this software and associated documentation files (the "Software"), to deal
6 in the Software without restriction, including without limitation the rights
7 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 copies of the Software, and to permit persons to whom the Software is
9 furnished to do so, subject to the following conditions:
10
11 The above copyright notice and this permission notice shall be included in
12 all copies or substantial portions of the Software.
13
14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
18 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20*/
21
22// QtCrypto has the declarations for all of QCA
23#include <QtCrypto>
24
25#include <QCoreApplication>
26#include <QFile>
27#include <QTimer>
28
29#include <cstdio>
30
31#ifdef QT_STATICPLUGIN
32#include "import_plugins.h"
33#endif
34
35class PassphraseHandler : public QObject
36{
37 Q_OBJECT
38public:
39 QCA::EventHandler handler;
40
41 PassphraseHandler(QObject *parent = nullptr)
42 : QObject(parent)
43 {
44 connect(sender: &handler, signal: &QCA::EventHandler::eventReady, context: this, slot: &PassphraseHandler::eh_eventReady);
45 handler.start();
46 }
47
48private Q_SLOTS:
49 void eh_eventReady(int id, const QCA::Event &event)
50 {
51 if (event.type() == QCA::Event::Password) {
52 QCA::SecureArray pass;
53 QCA::ConsolePrompt prompt;
54 prompt.getHidden(QStringLiteral("Passphrase"));
55 prompt.waitForFinished();
56 pass = prompt.result();
57 handler.submitPassword(id, password: pass);
58 } else
59 handler.reject(id);
60 }
61};
62
63class App : public QObject
64{
65 Q_OBJECT
66public:
67 QCA::KeyLoader keyLoader;
68 QString str;
69
70 App()
71 {
72 connect(sender: &keyLoader, signal: &QCA::KeyLoader::finished, context: this, slot: &App::kl_finished);
73 }
74
75public Q_SLOTS:
76 void start()
77 {
78 keyLoader.loadPrivateKeyFromPEMFile(fileName: str);
79 }
80
81Q_SIGNALS:
82 void quit();
83
84private Q_SLOTS:
85 void kl_finished()
86 {
87 if (keyLoader.convertResult() == QCA::ConvertGood) {
88 QCA::PrivateKey key = keyLoader.privateKey();
89 printf(format: "Loaded successfully. Bits: %d\n", key.bitSize());
90 } else
91 printf(format: "Unable to load.\n");
92
93 emit quit();
94 }
95};
96
97int main(int argc, char **argv)
98{
99 QCA::Initializer init;
100 QCoreApplication qapp(argc, argv);
101
102 if (argc < 2) {
103 printf(format: "usage: keyloader [privatekey.pem]\n");
104 return 0;
105 }
106
107 PassphraseHandler passphraseHandler;
108 App app;
109 app.str = QFile::decodeName(localFileName: argv[1]);
110 QObject::connect(sender: &app, signal: &App::quit, context: &qapp, slot&: QCoreApplication::quit);
111 QTimer::singleShot(interval: 0, receiver: &app, slot: &App::start);
112 qapp.exec();
113 return 0;
114}
115
116#include "keyloader.moc"
117

source code of qca/examples/keyloader/keyloader.cpp