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This paper first presents a new architecture of SHA-1, which achieved the theoretical upper bound on throughput in the iterative architecture. And then based on the general proposed architecture, this paper implemented other two different kinds of pipelined architectures which are based on the iterative technique and the loop unrolling technique respectively. The latter with 40-stage pipeline reached...
This paper presents an FPGA design and performance analysis of a recently proposed parallelizable hash function- PHASH. The main feature of PHASH is that it is able to process multiple data blocks at once making it suitable for achieving ultra high-performance. It utilizes the W cipher, as described in the Whirlpool hashing function at its core. A Virtex-4 FX60 FPGA was used in order to verify functionality...
This paper presents novel high-speed architectures for the hardware implementation of the Advanced Encryption Standard (AES) algorithm. Unlike previous works which rely on look-up tables to implement the SubBytes and InvSubBytes transformations of the AES algorithm, the proposed design employs combinational logic only. As a direct consequence, the unbreakable delay incurred by look-up tables in the...
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