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Consider the following two known plaintext-ciphertext pairs of an affine cipher: e k (18)=6, e k (13)=25. Recover the key k =( a , b
Consider the following two known plaintext-ciphertext pairs of an affine cipher: ek(18)=6, ek(13)=25. Recover the key k=(a,b) where 0a,b<26 holds. All computations are modulo 26.
Show the values for a and b.
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