Stream Cipher - Linear Feedback Shift Register-based Stream Ciphers

Linear Feedback Shift Register-based Stream Ciphers

Binary stream ciphers are often constructed using linear feedback shift registers (LFSRs) because they can be easily implemented in hardware and can be readily analysed mathematically. The use of LFSRs on their own, however, is insufficient to provide good security. Various schemes have been proposed to increase the security of LFSRs.

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