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Hardware based hash functions might provide a low cost and low power alternative to the classic solutions, which are based on implementations of mathematical cryptographic algorithms. In this paper, we propose MemHash, a hardware secure hash function built using memristive technology that exploits the unique properties of memristors. The MemHash operation is based on intrinsic device characteristics...
In this paper, a novel block cryptographic scheme based on a 3-D Chen's chaotic system is proposed, in which permutation by a key-dependent shift approach and substitution by the XOR approach are combined. Two rounds of encryption are performed for the proposed encryption algorithm. The plaintext is first permuted and then substituted block by block in the first round, but is first substituted and...
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