1 /*
2 * Author: Copyright (C) Andrzej Surowiec 2012
3 * Copyright (c) 2012-2018 Nitrokey UG
4 *
5 * This file is part of Nitrokey App.
6 *
7 * Nitrokey App is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * any later version.
11 *
12 * Nitrokey App is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with Nitrokey App. If not, see <http://www.gnu.org/licenses/>.
19 *
20 * SPDX-License-Identifier: GPL-3.0
21 */
22
23 #include "hotpslot.h"
24 #include "string.h"
25
26
OTPSlot()27 OTPSlot::OTPSlot() {
28 isProgrammed = false;
29 memset(slotName, 0, sizeof(slotName));
30 memset(secret, 0, sizeof(secret));
31 memset(counter, 0, sizeof(counter));
32 memset(tokenID, 0, sizeof(tokenID));
33 config = 0;
34 slotNumber = 0;
35 }
36
37
38 #include <cppcodec/base32_crockford.hpp>
39 #include <cppcodec/base32_default_rfc4648.hpp>
40 #include <QDebug>
41 #include <QString>
42
decodeBase32Secret(const std::string secret,const bool debug_mode)43 std::vector<uint8_t> decodeBase32Secret(const std::string secret, const bool debug_mode) {
44 std::vector<uint8_t> secret_raw;
45 std::string error;
46 try {
47 secret_raw = base32::decode(secret);
48 return secret_raw;
49 }
50 catch (const cppcodec::parse_error &e){
51 if (debug_mode)
52 qDebug() << e.what();
53 error = error + "base32: " + e.what();
54 }
55 try {
56 auto s = QString::fromStdString(secret);
57 s = s.remove('=');
58 secret_raw = cppcodec::base32_crockford::decode(s);
59 return secret_raw;
60 }
61 catch (const cppcodec::parse_error &e){
62 if (debug_mode)
63 qDebug() << e.what();
64 error = error + "; crockford: " + e.what();
65 }
66 throw cppcodec::parse_error(error);
67 return secret_raw;
68 }