Feat: Add the encryption

include/utility/encrypt.h

@@ -0,0 +1,24 @@
+/**
+ * @file encrypt.h
+ * @brief Encrypt the data.
+ * @author Chen Zhenshuo (chenzs108@outlook.com)
+ * @version 1.0
+ * @date 2020-01-13
+ * 
+ * @par GitHub
+ * https://github.com/czs108/
+ */
+
+#pragma once
+
+#include <windows.h>
+
+/**
+ * @brief Encrypt the data.
+ * 
+ * @param base  The base address of the data.
+ * @param size  The size of the data.
+ */
+void EncryptData(
+    BYTE *const base,
+    const DWORD size);

src/utility/CMakeLists.txt

@@ -8,10 +8,12 @@ target_sources(utility
     PRIVATE
         ${CMAKE_CURRENT_LIST_DIR}/error_handling.c
         ${CMAKE_CURRENT_LIST_DIR}/file_access.c
+        ${CMAKE_CURRENT_LIST_DIR}/encrypt.c
     PUBLIC
         ${HEADER_PATH}/error_handling.h
         ${HEADER_PATH}/file_access.h
         ${HEADER_PATH}/platform_check.h
+        ${HEADER_PATH}/encrypt.h
 )
 
 if(CMAKE_SIZEOF_VOID_P EQUAL 8)

src/utility/encrypt.c

@@ -0,0 +1,32 @@
+/**
+ * @file encrypt.c
+ * @brief Encrypt the data.
+ * @author Chen Zhenshuo (chenzs108@outlook.com)
+ * @version 1.0
+ * @date 2020-01-13
+ * 
+ * @par GitHub
+ * https://github.com/czs108/
+ */
+
+#include "encrypt.h"
+
+#include <assert.h>
+
+
+void EncryptData(
+    BYTE *const base,
+    const DWORD size)
+{
+    if (size == 0)
+    {
+        return;
+    }
+
+    assert(base != NULL);
+
+    for (DWORD i = 0; i != size; ++i)
+    {
+        base[i] += 0xCC;
+    }
+}