Move constants in KeePass2.h to KeePass2.cpp and add a list of KDFs and ciphers

src/CMakeLists.txt

@@ -82,7 +82,7 @@ set(keepassx_SOURCES
     format/CsvExporter.cpp
     format/KeePass1.h
     format/KeePass1Reader.cpp
-    format/KeePass2.h
+    format/KeePass2.cpp
     format/KeePass2RandomStream.cpp
     format/KeePass2Reader.cpp
     format/KeePass2Repair.cpp

src/crypto/SymmetricCipher.h

@@ -24,6 +24,7 @@
 
 #include "crypto/SymmetricCipherBackend.h"
 #include "format/KeePass2.h"
+#include "core/Uuid.h"
 
 class SymmetricCipher
 {

src/format/KeePass2.cpp

@@ -0,0 +1,70 @@
+/*
+ *  Copyright (C) 2017 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/>.
+ */
+
+#include "KeePass2.h"
+#include "crypto/CryptoHash.h"
+#include "crypto/kdf/AesKdf.h"
+#include "core/Uuid.h"
+
+const Uuid KeePass2::CIPHER_AES = Uuid(QByteArray::fromHex("31c1f2e6bf714350be5805216afc5aff"));
+const Uuid KeePass2::CIPHER_TWOFISH = Uuid(QByteArray::fromHex("ad68f29f576f4bb9a36ad47af965346c"));
+
+const Uuid KeePass2::KDF_AES = Uuid(QByteArray::fromHex("C9D9F39A628A4460BF740D08C18A4FEA"));
+
+const QByteArray KeePass2::INNER_STREAM_SALSA20_IV("\xE8\x30\x09\x4B\x97\x20\x5D\x2A");
+
+const QList<KeePass2::UuidNamePair> KeePass2::CIPHERS {
+        KeePass2::UuidNamePair(KeePass2::CIPHER_AES, "AES: 256-bit"),
+        KeePass2::UuidNamePair(KeePass2::CIPHER_TWOFISH, "Twofish: 256-bit"),
+};
+const QList<KeePass2::UuidNamePair> KeePass2::KDFS {
+        KeePass2::UuidNamePair(KeePass2::KDF_AES, "AES-KDF"),
+};
+
+Kdf* KeePass2::uuidToKdf(const Uuid& uuid) {
+    if (uuid == KDF_AES) {
+        return static_cast<Kdf*>(new AesKdf());
+    }
+
+    return nullptr;
+}
+
+Uuid KeePass2::kdfToUuid(const Kdf& kdf)
+{
+    switch (kdf.type()) {
+        case Kdf::Type::AES:
+            return KDF_AES;
+        default:
+            return Uuid();
+    }
+}
+
+KeePass2::UuidNamePair::UuidNamePair(const Uuid& uuid, const QString& name)
+    : m_uuid(uuid)
+    , m_name(name)
+{
+}
+
+Uuid KeePass2::UuidNamePair::uuid() const
+{
+    return m_uuid;
+}
+
+QString KeePass2::UuidNamePair::name() const
+{
+    return m_name;
+}

src/format/KeePass2.h

@@ -19,7 +19,10 @@
 #define KEEPASSX_KEEPASS2_H
 
 #include <QtGlobal>
+#include <QList>
 
+#include "crypto/SymmetricCipher.h"
+#include "crypto/kdf/Kdf.h"
 #include "core/Uuid.h"
 
 namespace KeePass2
@@ -32,10 +35,27 @@ namespace KeePass2
 
     const QSysInfo::Endian BYTEORDER = QSysInfo::LittleEndian;
 
-    const Uuid CIPHER_AES = Uuid(QByteArray::fromHex("31c1f2e6bf714350be5805216afc5aff"));
+    extern const Uuid CIPHER_AES;
-    const Uuid CIPHER_TWOFISH = Uuid(QByteArray::fromHex("ad68f29f576f4bb9a36ad47af965346c"));
+    extern const Uuid CIPHER_TWOFISH;
 
-    const QByteArray INNER_STREAM_SALSA20_IV("\xE8\x30\x09\x4B\x97\x20\x5D\x2A");
+    extern const Uuid KDF_AES;
+
+    extern const QByteArray INNER_STREAM_SALSA20_IV;
+
+    class UuidNamePair
+    {
+    public:
+        UuidNamePair(const Uuid& uuid, const QString& name);
+        Uuid uuid() const;
+        QString name() const;
+
+    private:
+        Uuid m_uuid;
+        QString m_name;
+    };
+
+    extern const QList<UuidNamePair> CIPHERS;
+    extern const QList<UuidNamePair> KDFS;
 
     enum HeaderFieldID
     {
@@ -57,6 +77,9 @@ namespace KeePass2
         ArcFourVariant = 1,
         Salsa20 = 2
     };
+
+    Kdf* uuidToKdf(const Uuid& uuid);
+    Uuid kdfToUuid(const Kdf& kdf);
 }
 
 #endif // KEEPASSX_KEEPASS2_H