Architectural Optimizations & Hardware Implementations of WLANs Encryption Standard

Office State Commercial Cryptography Administrator (OSCCA) in China has specified SMS4 block cipher, as the encryption standard of wireless local area networks. This work, introduces architectural optimizations for this standard, regarding performance, allocated resources, and covered area for the efficient hardware implementation of it. Furthermore, the hardware integrations of the proposed architectures are introduced based on the FPGA implementation platform. The proposed integrations are fully compared in detail, with similar published works, in the terms of throughput, frequency, time delays, allocated resources and covered area. These detailed comparisons prove the superiority of the proposed ones, according to the design needs and implementations targets each time. Finally, comparisons with the AES encryption standard are also presented.