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The application of σ-LFSR in Key-Dependent Feedback Configuration for Word-Oriented Stream Ciphers
[article]
2021
arXiv
pre-print
In this paper, we propose and evaluate a method for generating key-dependent feedback configurations (KDFC) for σ-LFSRs. σ-LFSRs with such configurations can be applied to any stream cipher that uses a word-based LFSR. Here, a configuration generation algorithm uses the secret key(K) and the initialization vector (IV) to generate a feedback configuration. We have mathematically analysed the feedback configurations generated by this method. As a test case, we have applied this method on SNOW 2.0
arXiv:2003.09381v2
fatcat:gad22zfc6jfuhadk7a7rhmgcey