The SubBytes (S-box) transformation is the most crucial operation in the AES algorithm, significantly impacting the implementation performance of AES chips. To design a high-performance S-box, a segmented optimization...The SubBytes (S-box) transformation is the most crucial operation in the AES algorithm, significantly impacting the implementation performance of AES chips. To design a high-performance S-box, a segmented optimization implementation of the S-box is proposed based on the composite field inverse operation in this paper. This proposed S-box implementation is modeled using Verilog language and synthesized using Design Complier software under the premise of ensuring the correctness of the simulation result. The synthesis results show that, compared to several current S-box implementation schemes, the proposed implementation of the S-box significantly reduces the area overhead and critical path delay, then gets higher hardware efficiency. This provides strong support for realizing efficient and compact S-box ASIC designs.展开更多
Reconfigurable computing has grown to become an important and large field of research, it offers advantages over traditional hardware and software implementations of computational algorithms. The Advanced Encryption S...Reconfigurable computing has grown to become an important and large field of research, it offers advantages over traditional hardware and software implementations of computational algorithms. The Advanced Encryption Standard （AES） algorithm is widely applied in government department and commerce. This paper analyzed the AES algorithms with different cipher keys, adopted a novel key scheduler that generated the round key real-time, proposed a dynamically reconfigurable encryption system which supported the AES algorithm with different cipher keys, and designed the architecture of the reconfigurable system. The dynamically reconfigurable AES system had been realized on FPGA. The result proves that the reconfigurable AES system is flexible, lower cost and high security level.展开更多
针对传统通用串行总线(Universal Serial Bus,USB)接口数据安全传输方法存在丢包率较高的问题,提出基于高级加密标准(Advanced Encryption Standard,AES)的USB接口数据安全传输方法。首先,对读取的数据进行AES加密,并通过计算形成单向函...针对传统通用串行总线(Universal Serial Bus,USB)接口数据安全传输方法存在丢包率较高的问题,提出基于高级加密标准(Advanced Encryption Standard,AES)的USB接口数据安全传输方法。首先,对读取的数据进行AES加密,并通过计算形成单向函数;其次,检验发送的加密数据,确保无加密传输错误或安全风险;最后,设计对比实验。实验结果表明,与传统传输方法相比,该方法的丢包率更低。展开更多
文摘The SubBytes (S-box) transformation is the most crucial operation in the AES algorithm, significantly impacting the implementation performance of AES chips. To design a high-performance S-box, a segmented optimization implementation of the S-box is proposed based on the composite field inverse operation in this paper. This proposed S-box implementation is modeled using Verilog language and synthesized using Design Complier software under the premise of ensuring the correctness of the simulation result. The synthesis results show that, compared to several current S-box implementation schemes, the proposed implementation of the S-box significantly reduces the area overhead and critical path delay, then gets higher hardware efficiency. This provides strong support for realizing efficient and compact S-box ASIC designs.
基金Supported by the National Natural Science Foun-dation of China (60374008)
文摘Reconfigurable computing has grown to become an important and large field of research, it offers advantages over traditional hardware and software implementations of computational algorithms. The Advanced Encryption Standard （AES） algorithm is widely applied in government department and commerce. This paper analyzed the AES algorithms with different cipher keys, adopted a novel key scheduler that generated the round key real-time, proposed a dynamically reconfigurable encryption system which supported the AES algorithm with different cipher keys, and designed the architecture of the reconfigurable system. The dynamically reconfigurable AES system had been realized on FPGA. The result proves that the reconfigurable AES system is flexible, lower cost and high security level.
文摘针对传统通用串行总线(Universal Serial Bus,USB)接口数据安全传输方法存在丢包率较高的问题,提出基于高级加密标准(Advanced Encryption Standard,AES)的USB接口数据安全传输方法。首先,对读取的数据进行AES加密,并通过计算形成单向函数;其次,检验发送的加密数据,确保无加密传输错误或安全风险;最后,设计对比实验。实验结果表明,与传统传输方法相比,该方法的丢包率更低。
