Abstract
To overcome defects of traditional stream cryptographic algorithms based on XOR operation, this paper proposes a new stream cipher algorithm with higher security and suitability for encrypting short information, which is based upon traversal operation and zipper-like random dynamic hash mapping, has the same time and space complexity as the traditional one. It generates the key stream through an application of Nonlinear Feedback Shift Register (NLFSR) and Bits Scrambling.
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