论文信息 - New Design Algorithm of Secret Key Stream Generator

New Design Algorithm of Secret Key Stream Generator

The security of stream cipher is mainly dependent on the randomness degree of the secret key stream.How to design key stream with perfect randomness turns into the main problem.This paper considers some properties of block ciphers such as DES and RC5,in which there are some favorable nonlinear generating methods.It designs a new algorithm to generate a pseudo-random sequence.The randomness of the sequence is analyzed.The result indicates that the algorithm is safe.

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