Pointless huge refactor

src/core/file_sys/signature.h

@@ -0,0 +1,40 @@
+// Copyright 2021 threeSD Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <functional>
+#include <vector>
+#include "common/common_types.h"
+#include "common/swap.h"
+
+namespace CryptoPP {
+class PK_MessageAccumulator;
+}
+
+namespace FileUtil {
+class IOFile;
+}
+
+namespace Core {
+
+/// Consists of a signature type, a signature, and alignment to 0x40.
+class Signature {
+public:
+    bool Load(const std::vector<u8>& file_data, std::size_t offset = 0);
+
+    /// Writes signature to file. Includes the alignment
+    bool Save(FileUtil::IOFile& file) const;
+
+    std::size_t GetSize() const;
+
+    /// Verifies the signature. Accepts a functor which should add the message to the accumulator
+    bool Verify(const std::string& issuer,
+                const std::function<void(CryptoPP::PK_MessageAccumulator*)>& func) const;
+
+    u32_be type;
+    std::vector<u8> data;
+};
+
+} // namespace Core