Question: (1) (Chosen ciphertext attack for affine cipher.) Choose AB for the ciphertext. This gives Q10 +B=0 (mod 26) 2204 +B=1 (mod 26) for some 21,

(1) (Chosen ciphertext attack for affine cipher.) Choose AB for the

(1) (Chosen ciphertext attack for affine cipher.) Choose AB for the ciphertext. This gives Q10 +B=0 (mod 26) 2204 +B=1 (mod 26) for some 21, 02. Solve for (x,B

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