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Recent breakthroughs in cryptanalysis of standard hash functions like SHA-1 and MD5 raise the need for alternatives. The MD6 hash function is developed by a team led by Professor Ronald L. Rivest in response to the call for proposals for a SHA-3 cryptographic hash algorithm by the National Institute of Standards and Technology. The hardware performance evaluation of hash chip design mainly includes efficiency and flexibility. In this paper, a RAM-based reconfigurable FPGA implantation of the MD6-224/256/384/512 hash function is presented. The design achieves a throughput ranges from 118 to 227 Mbps at the maximum frequency of 104MHz on low-cost Cyclone III device.
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