1 files changed, 61 insertions, 0 deletions
diff --git a/src/common/Cryptography/RSA.h b/src/common/Cryptography/RSA.h
new file mode 100644
index 00000000000..b6d7ce951dc
--- /dev/null
+++ b/src/common/Cryptography/RSA.h
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2008-2017 TrinityCore <http://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/>.
+ */
+
+#include <openssl/rsa.h>
+
+namespace Trinity
+{
+namespace Crypto
+{
+class RSA
+{
+public:
+    struct NoPadding : std::integral_constant<int32, RSA_NO_PADDING> {};
+    struct PKCS1Padding : std::integral_constant<int32, RSA_PKCS1_PADDING> {};
+
+    struct PrivateKey {};
+    struct PublicKey {};
+
+    RSA();
+    RSA(RSA&& rsa);
+    ~RSA();
+
+    template <typename KeyTag>
+    bool LoadFromFile(std::string const& fileName, KeyTag);
+
+    template <typename KeyTag>
+    bool LoadFromString(std::string const& keyPem, KeyTag);
+
+    uint32 GetOutputSize() const { return uint32(RSA_size(_rsa)); }
+
+    template <typename KeyTag, typename PaddingTag>
+    bool Encrypt(uint8 const* data, std::size_t dataLength, uint8* output, KeyTag, PaddingTag)
+    {
+        return Encrypt<KeyTag>(data, dataLength, output, PaddingTag::value);
+    }
+
+private:
+    template <typename KeyTag>
+    bool Encrypt(uint8 const* data, std::size_t dataLength, uint8* output, int32 paddingType);
+
+    RSA(RSA const& rsa) = delete;
+    RSA& operator=(RSA const& rsa) = delete;
+
+    ::RSA* _rsa;
+};
+}
+}