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
While some applications in memory can be constrained by memory bandwidth and memory cost, this paper proposes a transformation of the application into a one-bit FSM. When the finite state machine is very large, one wa...While some applications in memory can be constrained by memory bandwidth and memory cost, this paper proposes a transformation of the application into a one-bit FSM. When the finite state machine is very large, one way to improve the area and delay efficiently is to break down the large finite state machine into many smaller machines. The area efficiency can be improved if fewer machines are active simultaneously in the pipelined architecture. This can be achieved when using dynamic reconfiguration to map several sub machines onto the same hardware. This paper presents a methodology to break down the large finite state machine into many smaller machines and an architecture for the dynamically reconfiguration.展开更多
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While some applications in memory can be constrained by memory bandwidth and memory cost, this paper proposes a transformation of the application into a one-bit FSM. When the finite state machine is very large, one way to improve the area and delay efficiently is to break down the large finite state machine into many smaller machines. The area efficiency can be improved if fewer machines are active simultaneously in the pipelined architecture. This can be achieved when using dynamic reconfiguration to map several sub machines onto the same hardware. This paper presents a methodology to break down the large finite state machine into many smaller machines and an architecture for the dynamically reconfiguration.
