The above steps are performed in each round of which of the following ciphers?

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The above steps are performed in each round of which of the following ciphers?

A. Rail fence cipher

B. Data Encryption Standard (DES)

C. Advance Encryption Standard (AES)

D. None of the above

Each round of AES includes the mentioned steps.

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Which of the following is a mode of operation for the Block ciphers in cryptography?

A. Electronic Code Book (ECB)

B. Cipher Block Chaining (CBC)

C. Counter (CTR) mode

D. All of the above

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A mechanism used to encrypt and decrypt data.

A. Cryptography

B. Algorithm

C. Data flow

D. None of these

Discuss this answer

You are supposed to use hill cipher for encryption technique. You are provided with the following matrix,
Is the given matrix 'A', a valid key to be used for encryption?

A. Yes

B. No

C. Can't be determined

D. Data insufficient

Discuss this answer

Which of the following options is not correct according to the definition of the Cipher Block Chaining (CBC)?

A. CBC is a mode of operation for stream ciphers.

B. Initialization vector (IV) is used in CBC in the initial phase.

C. It has better resistive nature towards cryptanalysis than ECB

D. None of the above

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Hash functions are used in ___ and have variable levels of complexity and difficulty.

A. System approach

B. Cyber safe

C. Cryptography

D. None of the mentioned above

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The greatest threat is to public cryptography or asymmetric algorithms used for ____.

A. Digital signatures and

B. Key exchange

C. Both A and B

D. None of the mentioned above

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Codes and ciphers are different ways to _____ a message.

A. Encrypt

B. Decrypt

C. Both A and B

D. All of the mentioned above

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Which of the following is not a property of Hash Function?

A. Pre-Image Resistance

B. Compression

C. Fixed Length Output

D. None of the above

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We are provided the plain text SUN. You need to convert the given plain text into ciphertext under the Ceasar cipher encryption technique. Which of the following options is the correct ciphertext for the given text if the key is 2?

A. UWP

B. NUS

C. WUP

D. QSL

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Amongst which of the following is/ are showing the goodness of electronic code book,

A. Parallel encryption of blocks of bits is possible

B. It is a faster way of encryption.

C. Simple way of the block cipher.

D. All of the mentioned above

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____ is the message or data that can be readable by the sender.

A. Edited

B. Main Text

C. Plain text

D. All of the mentioned above

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Which of the following properties are the characteristic properties of a block cipher technique which differs from stream cipher?

A. Avalanche effect

B. Completeness

C. Both a. and b.

D. None of the above

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Cryptographic hashing provides a barrier to potential _______.

A. Attackers

B. Sender

C. Receiver

D. None of the mentioned above

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Encryption algorithms are divided into two categories based on the ______.

A. Output type

B. Input type

C. Process type

D. All of the mentioned above

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Block ciphers accumulate symbols in a message of a ______.

A. Fixed size

B. Variable

C. Integration

D. All of the mentioned above

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Which of the following modes of operation in DES is used for operating?

A. Cipher Feedback Mode (CFB)

B. Cipher Block chaining (CBC)

C. Electronic code book (ECB)

D. Output Feedback Modes (OFB)

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With reference to Cipher Feedback (CFB) Mode, amongst which of the following is /are true,

A. Each ciphertext block gets 'fed back' into the encryption process

B. Encrypt the next plaintext block

C. Both A and B

D. None of the mentioned above

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Security Goals of Cryptography are

A. Confidentiality

B. Authenticityn

C. Data integrityn

D. All of these

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Public key cryptography is a ... cryptosystem

A. Symmetric

B. Asymmetric

C. Symmetric & Asymmetric both

D. None of these

Discuss this answer

For which of the following should EBC (Electronic Code Book) process not be used for encryption?

A. For large block sizes

B. For fixed block sizes

C. For small block sizes

D. None of the above

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What is the output of a cryptographic hash function means?

A. A variable set of bits

B. A fixed set of bits, derived from one-way mathematical operations

C. An output which may be easily discovered by an adversary

D. Outputs of such functions are of no importance

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Which one of the following algorithms is not used in asymmetric-key cryptography?

A. DSA algorithm

B. Electronic code book algorithm

C. Diffie-Hellman algorithm

D. RSA algorithm

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How many sub-keys in the total are used by the IDEA for encrypting the plain text into ciphertext?

A. 64 sub- keys

B. 48 sub- keys

C. 52 sub- keys

D. Only one key and no subkeys

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Which is the cryptographic protocol that is used to protect an HTTP connection?

A. Resource reservation protocol

B. SCTP

C. TLS

D. ECN

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Which of the following ciphers is a block cipher?

A. Caesar cipher

B. Vernam cipher

C. Playfair cipher

D. None of the above

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The private key in asymmetric key cryptography is kept by

A. Sender

B. Receiver

C. Sender and receiver

D. All the connected devices to the network

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A cryptographic hash function is an equation used to verify the ____ of data.

A. Variety

B. Validity

C. Veracity

D. None of the mentioned above

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Cipher Feedback Mode is given as feedback to the ____ of encryption with some new specifications.

A. Next block

B. Previous block

C. Middle block

D. All of the mentioned above

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How many elements are used in cryptography tools?

A. 1

B. 4

C. 6

D. 3

Discuss this answer

Which of the following is not a type of symmetric-key cryptography technique?

A. Caesar cipher

B. Data Encryption Standard (DES)

C. Diffie Hellman cipher

D. Playfair cipher

Discuss this answer

Accepted Answer

C. Advance Encryption Standard (AES)

The above steps are performed in each round of which of the following ciphers?

Correct Answer :

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Related Questions

Which of the following is a mode of operation for the Block ciphers in cryptography?

A mechanism used to encrypt and decrypt data.

You are supposed to use hill cipher for encryption technique. You are provided with the following matrix,
Is the given matrix 'A', a valid key to be used for encryption?

Which of the following options is not correct according to the definition of the Cipher Block Chaining (CBC)?

Hash functions are used in ___ and have variable levels of complexity and difficulty.

The greatest threat is to public cryptography or asymmetric algorithms used for ____.

Codes and ciphers are different ways to _____ a message.

Which of the following is not a property of Hash Function?

We are provided the plain text SUN. You need to convert the given plain text into ciphertext under the Ceasar cipher encryption technique. Which of the following options is the correct ciphertext for the given text if the key is 2?

Amongst which of the following is/ are showing the goodness of electronic code book,

____ is the message or data that can be readable by the sender.

Which of the following properties are the characteristic properties of a block cipher technique which differs from stream cipher?

Cryptographic hashing provides a barrier to potential _______.

Encryption algorithms are divided into two categories based on the ______.

Block ciphers accumulate symbols in a message of a ______.

Which of the following modes of operation in DES is used for operating?

With reference to Cipher Feedback (CFB) Mode, amongst which of the following is /are true,

Security Goals of Cryptography are

Public key cryptography is a ... cryptosystem

For which of the following should EBC (Electronic Code Book) process not be used for encryption?

What is the output of a cryptographic hash function means?

Which one of the following algorithms is not used in asymmetric-key cryptography?

How many sub-keys in the total are used by the IDEA for encrypting the plain text into ciphertext?

Which is the cryptographic protocol that is used to protect an HTTP connection?

Which of the following ciphers is a block cipher?

The private key in asymmetric key cryptography is kept by

A cryptographic hash function is an equation used to verify the ____ of data.

Cipher Feedback Mode is given as feedback to the ____ of encryption with some new specifications.

How many elements are used in cryptography tools?

Which of the following is not a type of symmetric-key cryptography technique?

Also checkout

The above steps are performed in each round of which of the following ciphers?

Correct Answer :

Show all Computer Cryptography MCQ

Related Questions

Which of the following is a mode of operation for the Block ciphers in cryptography?

A mechanism used to encrypt and decrypt data.

You are supposed to use hill cipher for encryption technique. You are provided with the following matrix,Is the given matrix 'A', a valid key to be used for encryption?

Which of the following options is not correct according to the definition of the Cipher Block Chaining (CBC)?

Hash functions are used in ___ and have variable levels of complexity and difficulty.

The greatest threat is to public cryptography or asymmetric algorithms used for ____.

Codes and ciphers are different ways to _____ a message.

Which of the following is not a property of Hash Function?

We are provided the plain text SUN. You need to convert the given plain text into ciphertext under the Ceasar cipher encryption technique. Which of the following options is the correct ciphertext for the given text if the key is 2?

Amongst which of the following is/ are showing the goodness of electronic code book,

____ is the message or data that can be readable by the sender.

Which of the following properties are the characteristic properties of a block cipher technique which differs from stream cipher?

Cryptographic hashing provides a barrier to potential _______.

Encryption algorithms are divided into two categories based on the ______.

Block ciphers accumulate symbols in a message of a ______.

Which of the following modes of operation in DES is used for operating?

With reference to Cipher Feedback (CFB) Mode, amongst which of the following is /are true,

Security Goals of Cryptography are

Public key cryptography is a ... cryptosystem

For which of the following should EBC (Electronic Code Book) process not be used for encryption?

What is the output of a cryptographic hash function means?

Which one of the following algorithms is not used in asymmetric-key cryptography?

How many sub-keys in the total are used by the IDEA for encrypting the plain text into ciphertext?

Which is the cryptographic protocol that is used to protect an HTTP connection?

Which of the following ciphers is a block cipher?

The private key in asymmetric key cryptography is kept by

A cryptographic hash function is an equation used to verify the ____ of data.

Cipher Feedback Mode is given as feedback to the ____ of encryption with some new specifications.

How many elements are used in cryptography tools?

Which of the following is not a type of symmetric-key cryptography technique?

Also checkout

You are supposed to use hill cipher for encryption technique. You are provided with the following matrix,
Is the given matrix 'A', a valid key to be used for encryption?