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Question 1 [ 1 3 pts ] Answer the following short - answer questions: Which of the following is not the principal goal of the
Question pts
Answer the following shortanswer questions:
Which of the following is not the principal goal of the cryptography? Select among Confidentiality, Integrity, Availability
Which of the following is the principal goal of encryption? Select among Confidentiality, Integrity, Availability
What is a cipher?
How many keys are used in a secure communication between two parties that use a symmetrickey encryption algorithm?
What might be the size of an encrypted message, if the size of the plain text bits. You can choose more than one. Select among bit, bits, bits
Question pts
Any encryption operation uses a cipher and a key. Explain the Caesar cipher and the possible keys used by giving an example.
Question pts
Describe the terms permutation, substitution, and the mode of operation. Provide examples to these terms in the context of the Vigenere Cipher.
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