1 files changed, 54 insertions, 0 deletions
diff --git a/src/common/Cryptography/AES.h b/src/common/Cryptography/AES.h
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+++ b/src/common/Cryptography/AES.h
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+/*
+ * Copyright (C) 2008-2019 TrinityCore <https://www.trinitycore.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 of the License, or (at your
+ * option) any later version.
+ *
+ * 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 Trinity_AES_h__
+#define Trinity_AES_h__
+
+#include "Define.h"
+#include <array>
+#include <openssl/evp.h>
+
+namespace Trinity
+{
+namespace Crypto
+{
+class TC_COMMON_API AES
+{
+public:
+    static constexpr std::size_t IV_SIZE_BYTES = 12;
+    static constexpr std::size_t KEY_SIZE_BYTES = 16;
+    static constexpr std::size_t TAG_SIZE_BYTES = 12;
+
+    using IV = std::array<uint8, IV_SIZE_BYTES>;
+    using Key = std::array<uint8, KEY_SIZE_BYTES>;
+    using Tag = uint8[TAG_SIZE_BYTES];
+
+    AES(bool encrypting);
+    ~AES();
+
+    void Init(Key const& key);
+
+    bool Process(IV const& iv, uint8* data, std::size_t length, Tag& tag);
+
+private:
+    EVP_CIPHER_CTX* _ctx;
+    bool _encrypting;
+};
+}
+}
+
+#endif // Trinity_AES_h__