ASIC Performance Comparison for the ISO Standard Block Ciphers
نویسندگان
چکیده
This paper presents performance comparisons of the ISO/IEC 18033 standard block ciphers, AES, Camellia, SEED, TDEA, MISTY1, and CAST-128 in ASIC hardware. All the algorithms are implemented with a loop architecture where one round function block is used iteratively, and Sboxes are generated from lookup tables. In addition to the straightforward implementations, compact data path architectures were designed for SEED and MISTY1 using the characteristics of nested round functions. For the compact AES and Camellia circuits, composite field S-boxes were also used in addition to the lookup table S-box. All of the designs were synthesized by using a 0.18-μm CMOS standard cell library, and the sizes and speeds were evaluated. The highest throughput of 3.35 Gbps with 75.8 Kgates was obtained by the 128-bit block cipher AES, and the 64-bit block cipher TDEA showed the smallest gate counts of 4.6 Kgates with 228 Mbps.
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