Question: Problem 5 (8 points) Stream ciphers For a stream cipher xi,yi,si{0,1} Encryption: yi=esi(xi)xi+simod2 Decryption: xi=dsi(yi)yi+simod2 Considering key stream si=0101101, compute the equivalent ASCII ciphertext for

Problem 5 (8 points) Stream ciphers For a stream cipher xi,yi,si{0,1} Encryption: yi=esi(xi)xi+simod2 Decryption: xi=dsi(yi)yi+simod2 Considering key stream si=0101101, compute the equivalent ASCII ciphertext for given plain text: ASCII "B". Show the recovery of plaintext from obtained ciphertext

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