Design of High Secure Authentication using SHA3-1024 Algorithm for Digital Signatures
Five people with five different approaches proposed SHA3 algorithm, out of them NIST (National Institute of Standards and Technology) selected one approach, that approach was proposed by Keccak. The Keccak-f permutation is the basic component of Keccak Hash function and supports 224-bit, 256-bit, 384-bit and 512- bit hash variants. The basic SHA3 using 512 bits converts 128 bits input. In our paper, for improving the security margin with respect to 512-bit, we are designing 128 bit Keccak sequential architecture for SHA- 1024, by merging the three transforms i.e. rho, pi and chi in to single transform which is to be implemented using Xilinx 14.7.
Keywords: Theta, Rho, Pi, chi, Iota.
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