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Let k be the encryption key for a Caesar cipher. Then, the decryption key is 26-k. One of the characteristics of a public key system is that the encryption and decryption keys are different. Why is the Caesar cipher not a public key system, even though its encryption and decryption keys are different

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Let k be the encryption key for a Caesar cipher. Then, the decryption key is 26-k. One of the charac...
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