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Author: igozdev

README.md

@@ -1 +1,13 @@
-# xorlit
+# xorlit
+Compile time string literal encryptor
+# Example Usage
+```c++
+#include <iostream>
+#include "xorlit.hpp"
+
+int main()
+{
+	std::cout << XORLITSTR("Hello world!");
+	return 0;
+}
+```

include/xorlit.hpp

@@ -0,0 +1,85 @@
+/*
+* MIT License
+* 
+* Copyright (c) 2023 IGOZ
+* 
+* Permission is hereby granted, free of charge, to any person obtaining a copy
+* of this software and associated documentation files (the "Software"), to deal
+* in the Software without restriction, including without limitation the rights
+* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+* copies of the Software, and to permit persons to whom the Software is
+* furnished to do so, subject to the following conditions:
+* 
+* The above copyright notice and this permission notice shall be included in all
+* copies or substantial portions of the Software.
+* 
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+* SOFTWARE.
+*/
+
+#pragma once
+
+#include <cstdint>
+
+namespace xorlit
+{
+    constexpr uint32_t time =
+        static_cast<uint32_t>(__TIME__[7] - '0') +
+        static_cast<uint32_t>(__TIME__[6] - '0') * 10U +
+        static_cast<uint32_t>(__TIME__[4] - '0') * 100U +
+        static_cast<uint32_t>(__TIME__[1] - '0') * 1000U +
+        static_cast<uint32_t>(__TIME__[3] - '0') * 10000U +
+        static_cast<uint32_t>(__TIME__[0] - '0') * 20000U;
+
+    template <size_t Index>
+    constexpr void XorString(char* d, char key, const char* s)
+    {
+        d[Index] = s[Index] ^ key;
+        XorString<Index - 1>(d, key, s);
+    }
+    template <>
+    constexpr void XorString<0>(char* d, char key, const char* s)
+    {
+        d[0] = s[0] ^ key;
+    }
+
+    template <size_t Size>
+    struct String
+    {
+    public:
+        constexpr String(const char (&s)[Size], char key)
+            : m_Data(), m_Key(key)
+        {
+            XorString<Size - 1>(m_Data, m_Key, s);
+        }
+
+        const char* Xor()
+        {
+            for (char& c : m_Data)
+                c ^= m_Key;
+            return m_Data;
+        }
+
+    private:
+        const char m_Key;
+        char m_Data[Size];
+    };
+
+    template <size_t Size>
+    constexpr String<Size> CreateString(const char (&s)[Size])
+    {
+        return String<Size>(s);
+    }
+    template <size_t Size>
+    constexpr String<Size> CreateString(const char (&s)[Size], char key)
+    {
+        return String<Size>(s, key);
+    }
+}
+
+#define XORLITSTR(s) xorlit::CreateString(s, static_cast<char>((xorlit::time + __LINE__ * 100000) % 255)).Xor()