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A. Encrypt the message COME BACK using a multiplicative Caesar cipher modulo 27 with encrypting multiplier 16. Then find the decrypting multiplier. B. Suppose we
A. Encrypt the message COME BACK using a multiplicative Caesar cipher modulo 27 with encrypting multiplier 16.
Then find the decrypting multiplier.
B. Suppose we use a multiplicative Caesar cipher modulo 26 and use the encrypting multiplier 13. Which letters can occur in an encrypted message?
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