Implemented hash view with CRC16, CRC32 and MD5 support

More to come

include/utils.hpp

@@ -1,10 +1,8 @@
 #pragma once
 
-#include <windows.h>
-#include <shobjidl.h>
+#include <hex.hpp>
 
-#include <locale>
-#include <codecvt>
+#include <array>
 #include <optional>
 #include <string>
 
@@ -12,4 +10,7 @@ namespace hex {
 
     std::optional<std::string> openFileDialog();
 
+    u16 crc16(u8 *data, size_t size, u16 polynomial, u16 init);
+    u32 crc32(u8 *data, size_t size, u32 polynomial, u32 init);
+    std::array<u32, 4> md5(u8 *data, size_t size);
 }