NETWORK SECURITY
CONFIDENTIALITY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A(n) ____ is a keyless substitution cipher with N inputs and M outputs that uses a formula to define the relationship between the input stream and the output stream
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S-box
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P-box
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T-box
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none of the mentioned
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Explanation:
Detailed explanation-1: -Explanation: Route cipher is a transposition cipher. It falls under the category of transposition cipher as it encrypts the plain text by rearranging its letters. 6. Which of the following ciphered text would have used transposition cipher for encryption of the plain text “SANFOUNDRY”?
Detailed explanation-2: -Transposition ciphers rearrange characters or bits of plaintext to produce ciphertext.
Detailed explanation-3: -Substitution Ciphers. Substitution ciphers encrypt the plaintext by swapping each letter or symbol in the plaintext by a different symbol as directed by the key. Perhaps the simplest substitution cipher is the Caesar cipher, named after the man who used it.
There is 1 question to complete.