Question: 04. Given the initial 8-bit LFSR 10110101] and primitive polynomial x+x 1. Use Excel to generate a keystream of a sufficient length that could be

04. Given the initial 8-bit LFSR 10110101] and primitive polynomial x+x

04. Given the initial 8-bit LFSR 10110101] and primitive polynomial x+x 1. Use Excel to generate a keystream of a sufficient length that could be used to encrypt a 6 character word. 1. Use the corresponding stream cipher to encrypt the word: SECURE 2. Use the same stream cipher to decrypt the string: 11011 01111 0110

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