A novel quantum block encryption algorithm based on quantum computation |
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Institution: | 1. Department of Electrical and Computer Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran;2. Institute of Cybersecurity and Cryptology, School of Computing and Information Technology University of Wollongong, Wollongong, NSW 2522, Australia |
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Abstract: | Based on quantum computation, a novel quantum block cryptographic algorithm that can be used to encrypt classical messages is proposed. The security of this algorithm is analyzed from several aspects. It is shown that the quantum block cryptographic algorithm, in which the key can be reused after undergoing a check procedure, can prevent quantum attack strategy as well as classical attack strategy. The problem of key management is discussed and the circuits for encryption and decryption are suggested. |
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