SMS4是用于WLAN的国内官方公布的第一个商用密码算法，具有较好的抗破解能力。本代码提出了一种新型的基于FPGA硬件实现的SMS4分组密码算法电路的设计。-SMS4 for WLAN in the domestic first official commercial cryptographic algorithms, and has good resistance to cracking ability. The code proposes a new FPGA-based hardware