What is the key domain if an additive cipher is used

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Reference no: EM131907116

Problem

Suppose that spaces. periods, and question marks are added to the plainest to increase the key domain of simple ciphers.

a. What is the key domain if an additive cipher is used"?

b. What is the key domain if a multiplicative cipher is used?

c. What is the key domain if an affine cipher is used?

Reference no: EM131907116

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