单轮三级流水结构SM4算法，该结构电路比传统流水线具有明显的资源消耗优势，而且比单轮迭代SM4算法具有更快加解密运算速度，实现更大的吞吐率。-Single round three pipeline structure SM4 algorithms, the circuit structure than conventional lines, with obvious advantages of resource consumption, and more than a single iteration SM4 faster encryption and decryption algorithm computing speed, greater throughput.