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Abstract High speed and low power implementation for I&T and TTP multiplicative inverse is achieved in this paper. Composite Galois filed is applied instead of finite Galois field to achieve smaller circuit size. Transmission gate is used to implement SBox logic gate which reduces transistor count and power. Two architectures are considered in the paper. The delay of proposed design is reduced by 28.1% compared to CMOS standard cell composite field design. The average power is reduced by 68.8% as compared to the average power consumption from CMOS standard cell implementation at 10MHz. |