Core/Crypto: Added Ed25519 implementation

1 files changed, 69 insertions, 0 deletions

diff --git a/src/common/Cryptography/Ed25519.h b/src/common/Cryptography/Ed25519.h
new file mode 100644
index 00000000000..7d7f56bb905
--- /dev/null
+++ b/src/common/Cryptography/Ed25519.h
@@ -0,0 +1,69 @@
+/*
+ * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
+ *
+ * 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 TRINITYCORE_ED25519_H
+#define TRINITYCORE_ED25519_H
+
+#include "Define.h"
+#include <array>
+#include <string>
+#include <vector>
+#include <openssl/evp.h>
+
+class BigNumber;
+
+namespace Trinity::Crypto
+{
+class TC_COMMON_API Ed25519
+{
+public:
+    Ed25519();
+    Ed25519(Ed25519 const& other);
+    Ed25519(Ed25519&& other) noexcept;
+    ~Ed25519();
+
+    Ed25519& operator=(Ed25519 const& right);
+    Ed25519& operator=(Ed25519&& right) noexcept;
+
+    bool LoadFromFile(std::string const& fileName);
+
+    bool LoadFromString(std::string const& keyPem);
+
+    bool LoadFromByteArray(std::array<uint8, 32> const& keyBytes);
+
+    template <std::size_t N>
+    bool Sign(std::array<uint8, N> const& message, std::vector<uint8>& output)
+    {
+        return this->Sign(message.data(), message.size(), output);
+    }
+
+    bool Sign(uint8 const* message, std::size_t messageLength, std::vector<uint8>& output);
+
+    template <std::size_t N>
+    bool SignWithContext(std::array<uint8, N> const& message, std::vector<uint8> const& context, std::vector<uint8>& output)
+    {
+        return this->SignWithContext(message.data(), message.size(), context, output);
+    }
+
+    bool SignWithContext(uint8 const* message, std::size_t messageLength, std::vector<uint8> const& context, std::vector<uint8>& output);
+
+private:
+    EVP_PKEY* _key = nullptr;
+};
+}
+
+#endif // TRINITYCORE_ED25519_H