COMPUTER ETHICS AND SECURITY
CRYPTOGRAPHY AND ENCRYPTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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julius
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caesar
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romans
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cipher
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Detailed explanation-1: -The following word was encrypted using a Caesar cipher with a shift of 2: ecguct. What word is it? To decrypt a message, we need to move the alphabet backwards by 2. E will become C, C become A, G become E, U become S, C become A, T become R.
Detailed explanation-2: -With a shift of 3, every letter is replaced by the letter 3 letters to its right. Letters at the end of the alphabet wrap around to the beginning (e.g. ‘z’ shifted by 3 becomes ‘c’).
Detailed explanation-3: -It is a type of substitution cipher in which each letter in the plaintext is replaced by a letter some fixed number of positions down the alphabet. For example, with a left shift of 3, D would be replaced by A, E would become B, and so on.
Detailed explanation-4: -Using a Caesar Cipher Make a table where the top row contains letters in standard alphabetical order, and the bottom row is the new shifted alphabet. Encode the message by exchanging each letter in the message with the equivalent shifted letter.