1 files changed, 59 insertions, 0 deletions
diff --git a/src/format/OpData01.h b/src/format/OpData01.h
new file mode 100644
index 000000000..df6a0b442
--- /dev/null
+++ b/src/format/OpData01.h
@@ -0,0 +1,59 @@
+/*
+ *  Copyright (C) 2019 KeePassXC Team <team@keepassxc.org>
+ *
+ *  This program 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 2 or (at your option)
+ *  version 3 of the License.
+ *
+ *  This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef KEEPASSXC_OPDATA01_H
+#define KEEPASSXC_OPDATA01_H
+
+#include <QObject>
+
+/*!
+ * Packages and transports the AgileBits data structure called \c OpData01
+ * used to encypt and provide HMAC for encrypted data.
+ * \sa https://support.1password.com/opvault-design/#opdata01
+ */
+class OpData01 : public QObject
+{
+    Q_OBJECT
+
+public:
+    explicit OpData01(QObject* parent = nullptr);
+    ~OpData01() override;
+
+    /*!
+     * The convenience equivalent of decode01(OpData01,const QByteArray,const QByteArray,const QByteArray) that simply
+     * decodes the provided base64 string into its underlying \c QByteArray.
+     */
+    bool decodeBase64(QString const& b64String, const QByteArray& key, const QByteArray& hmacKey);
+
+    /*!
+     * Populates the given \code OpData01 structure by decoding the provided blob of data,
+     * using the given key and then verifies using the given HMAC key.
+     * \returns true if things went well and \code m_clearText is usable, false and \code m_errorStr will contain
+     * details.
+     */
+    bool decode(const QByteArray& data, const QByteArray& key, const QByteArray& hmacKey);
+
+    QByteArray getClearText();
+
+    QString errorString();
+
+private:
+    QByteArray m_clearText;
+    QString m_errorStr;
+};
+
+#endif // KEEPASSXC_OPDATA01_H