What type of encryption algorithm is one-way encryption, which means that it encrypts data, but the data cannot be decrypted? a. Asymmetric b. Symmetric c. Signing d. Hashing
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QUESTION 2
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What type of encryption
algorithm is one-way encryption, which means that it encrypts data, but the data cannot be decrypted?a. Asymmetricb. Symmetricc. Signingd. Hashing
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- Does symmetric encryption have pros and cons? How should one choose an encryption method?For each of the following cryptographic algorithms, describe what they do your own words and state where they are commonly used in application security. Identify them as either hashing, key exchange, symmetric encryption, or asymmetric encryption. AES RSA Triple DES MD5 SHA256 PKI RC4 Diffie-Hellman2. RSA uses modulo math as the basis for creating a public and private key True. or. False 4.When the intruder knows some of the plaintext and cipher-text pairings, this is known as what type of attack? Cipher-text attack Known-plaintext attack Chosen-plaintext attack
- 2. What is the ciphertext of the plaintext?: Symmetric encryption uses a single key.Key: 20AnswerWhat are the core differences between symmetric and asymmetric encryption in computing?Why does hashing a password make more sense than encrypting one that has been saved in a file or on a computer? What benefits do hashing algorithms provide over encryption?
- Part 1: Please answer the following questions about the fundamental of cryptography. Each question has only one correct answer. 1, Which description about block ciphers is NOT correct? Block ciphers encrypt the message block by block. A block cipher with a small block is vulnerable to the codebook attack. The encryption and decryption algorithms in block ciphers use the same secret key. The key length for block cipher should be very short to defend against the exhaustive key search attacks. 2, If the key length of a block cipher is 64 bits, what is the size of the key space? Hint: The key space consists of all possible keys. 64 264 232 2128 3, Modern block ciphers combine substitution S and permutation P operations to improve security. Based on the security rule, the cipher should not use consecutive substitutions or consecutive permutations. In the following combinations, which one violates the above security rule? ?1?1?2?2 B. ?1?1?2?2 C. ?1?1?2?2 4, Which…Does the use of symmetric encryption come with any advantages or disadvantages? How exactly does one go about deciding which kind of encryption to use?Can you tell me the pros and cons of symmetric encryption? What factors should be considered before choose an encryption method?