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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Block ciphers means
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It take number of bits
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Encrypt single unit
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Both A and B
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None of the above
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Explanation:
Detailed explanation-1: -Block ciphers have the advantage of high diffusion and strong tamper resistance without detection. They have the disadvantage of slower encryption speed since the entire block must be captured for encryption/decryption. Block ciphers also breed errors since a mistake in just one symbol could alter the whole block.
Detailed explanation-2: -Different types of block ciphers Digital Encryption Standard (DES) Triple Digital Encryption Standard (TDES) Advanced Encryption Standard (AES)
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