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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1.More complex and therefore more time-consuming calculations.
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2.Problem of the secure transmission of the Secret Key.
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3.Less secure encryption function.
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4.Isn’t used any more.
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Detailed explanation-1: -9. Which is the largest disadvantage of symmetric Encryption? Explanation: As there is only one key in the symmetrical encryption, this must be known by both sender and recipient and this key is sufficient to decrypt the secret message.
Detailed explanation-2: -By far the biggest disadvantage of symmetric encryption is its use of a single, secret cryptographic key to encrypt and decrypt information.
Detailed explanation-3: -The major disadvantage of secret key encryption is that a single key is used for both encryption and decryption. There must be a secure way for the two parties to exchange the one secret key.
Detailed explanation-4: -If an unauthorized user gains access to a particular symmetric key, the security of any data encrypted using that key is compromised.
Detailed explanation-5: -It’s a slow process compared to symmetric cryptography. If an individual loses his private key, he can’t decrypt the messages he receives. Because public keys aren’t authenticated, no one can ensure a public key belongs to the person specified. More items