std::string hash = "Unfv3tbjVgExeJ6l6L9GwLsom0w=";

std::string newhash = "5277EFDED6E3560131789EA5E8BF46C0BB289B4C";

std::wstring result(cbSize, 0);
if (!CryptBinaryToString(buffer.data(), buffer.size(), dwFlags | CRYPT_STRING_NOCRLF, &result[0], &cbSize)) return {};
return result.c_str();

std::string WC2MB(const std::wstring& wstr, DWORD locale)
{
	if (wstr.empty()) return {};
	int sz = WideCharToMultiByte(locale, 0, &wstr[0], (int)wstr.size(), 0, 0, 0, 0);
	std::string res(sz, 0);
	WideCharToMultiByte(locale, 0, &wstr[0], (int)wstr.size(), &res[0], sz, 0, 0);
	return res;
}

std::wstring MB2WC(const std::string& str, DWORD locale)
{
	if (str.empty()) return {};
	int sz = MultiByteToWideChar(locale, 0, &str[0], (int)str.size(), 0, 0);
	std::wstring res(sz, 0);
	MultiByteToWideChar(locale, 0, &str[0], (int)str.size(), &res[0], sz);
	return res;
}

std::string BIN2HEX(std::vector<BYTE> data)
{
	std::stringstream ss;
	size_t count = data.size();
	for (size_t k = 0; k < count; k++) {
		ss << std::setfill('0') << std::setw(2) << std::hex << int(data[k]);
	};
	return ss.str();
}

std::wstring HASH2HEX(std::string hash) {
	return MB2WC(BIN2HEX(Base64::decode(hash)), 1251);
}

std::string test = "Unfv3tbjVgExeJ6l6L9GwLsom0w";
std::wstring test2 = HASH2HEX(test);