1 | // Copyright (C) 2013 Ruslan Nigmatullin <euroelessar@yandex.ru> |
2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
3 | |
4 | #ifndef QMESSAGEAUTHENTICATIONCODE_H |
5 | #define QMESSAGEAUTHENTICATIONCODE_H |
6 | |
7 | #include <QtCore/qcryptographichash.h> |
8 | |
9 | QT_BEGIN_NAMESPACE |
10 | |
11 | |
12 | class QMessageAuthenticationCodePrivate; |
13 | class QIODevice; |
14 | |
15 | // implemented in qcryptographichash.cpp |
16 | class Q_CORE_EXPORT QMessageAuthenticationCode |
17 | { |
18 | public: |
19 | #if QT_CORE_REMOVED_SINCE(6, 6) |
20 | explicit QMessageAuthenticationCode(QCryptographicHash::Algorithm method, |
21 | const QByteArray &key); |
22 | #endif |
23 | explicit QMessageAuthenticationCode(QCryptographicHash::Algorithm method, |
24 | QByteArrayView key = {}); |
25 | |
26 | QMessageAuthenticationCode(QMessageAuthenticationCode &&other) noexcept |
27 | : d{std::exchange(obj&: other.d, new_val: nullptr)} {} |
28 | ~QMessageAuthenticationCode(); |
29 | |
30 | QT_MOVE_ASSIGNMENT_OPERATOR_IMPL_VIA_MOVE_AND_SWAP(QMessageAuthenticationCode) |
31 | void swap(QMessageAuthenticationCode &other) noexcept |
32 | { qt_ptr_swap(lhs&: d, rhs&: other.d); } |
33 | |
34 | void reset() noexcept; |
35 | |
36 | #if QT_CORE_REMOVED_SINCE(6, 6) |
37 | void setKey(const QByteArray &key); |
38 | #endif |
39 | void setKey(QByteArrayView key) noexcept; |
40 | |
41 | void addData(const char *data, qsizetype length); |
42 | #if QT_CORE_REMOVED_SINCE(6, 6) |
43 | void addData(const QByteArray &data); |
44 | #endif |
45 | void addData(QByteArrayView data) noexcept; |
46 | bool addData(QIODevice *device); |
47 | |
48 | QByteArrayView resultView() const noexcept; |
49 | QByteArray result() const; |
50 | |
51 | #if QT_CORE_REMOVED_SINCE(6, 6) |
52 | static QByteArray hash(const QByteArray &message, const QByteArray &key, |
53 | QCryptographicHash::Algorithm method); |
54 | #endif |
55 | static QByteArray hash(QByteArrayView message, QByteArrayView key, |
56 | QCryptographicHash::Algorithm method); |
57 | |
58 | static QByteArrayView |
59 | hashInto(QSpan<char> buffer, QByteArrayView message, QByteArrayView key, |
60 | QCryptographicHash::Algorithm method) noexcept |
61 | { return hashInto(buffer: as_writable_bytes(s: buffer), message: {&message, 1}, key, method); } |
62 | static QByteArrayView |
63 | hashInto(QSpan<uchar> buffer, QByteArrayView message, QByteArrayView key, |
64 | QCryptographicHash::Algorithm method) noexcept |
65 | { return hashInto(buffer: as_writable_bytes(s: buffer), message: {&message, 1}, key, method); } |
66 | static QByteArrayView |
67 | hashInto(QSpan<std::byte> buffer, QByteArrayView message, |
68 | QByteArrayView key, QCryptographicHash::Algorithm method) noexcept |
69 | { return hashInto(buffer, message: {&message, 1}, key, method); } |
70 | static QByteArrayView |
71 | hashInto(QSpan<char> buffer, QSpan<const QByteArrayView> messageParts, |
72 | QByteArrayView key, QCryptographicHash::Algorithm method) noexcept |
73 | { return hashInto(buffer: as_writable_bytes(s: buffer), message: messageParts, key, method); } |
74 | static QByteArrayView |
75 | hashInto(QSpan<uchar> buffer, QSpan<const QByteArrayView> messageParts, |
76 | QByteArrayView key, QCryptographicHash::Algorithm method) noexcept |
77 | { return hashInto(buffer: as_writable_bytes(s: buffer), message: messageParts, key, method); } |
78 | static QByteArrayView |
79 | hashInto(QSpan<std::byte> buffer, QSpan<const QByteArrayView> message, |
80 | QByteArrayView key, QCryptographicHash::Algorithm method) noexcept; |
81 | |
82 | private: |
83 | Q_DISABLE_COPY(QMessageAuthenticationCode) |
84 | QMessageAuthenticationCodePrivate *d; |
85 | }; |
86 | |
87 | QT_END_NAMESPACE |
88 | |
89 | #endif |
90 | |