Here, we have a set of multiplechoice questions and answers (quiz) on ciphers in Cryptography (basic concepts of Cryptography Techniques and different types of ciphers).
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The DES (Data Encryption Standard) cipher follows the fiestal structure. Which of the following properties are not shown by the fiestal structure?The DES (Data Encryption Standard) cipher follows the fiestal structure. Which of the following properties are not shown by the fiestal structure?
The answer is:
C. The plain text is converted into a matrix form first


Among the following given options, chose the strongest encryption technique?Among the following given options, chose the strongest encryption technique?
The answer is:
D. AES (Advance Encryption Standard)


What is the fullform of RSA in the RSA encryption technique?What is the fullform of RSA in the RSA encryption technique?
The answer is:
B. Rivest, Shamir, Adleman


The above steps are performed in each round of which of the following ciphers?Consider the following steps,
The above steps are performed in each round of which of the following ciphers?
The answer is:
C. Advance Encryption Standard (AES)


Codes and ciphers are different ways to _____ a messageCodes and ciphers are different ways to _____ a message.
The answer is:
C. Both A and B


_____ ciphers encrypt uniformly sized blocks of data_____ ciphers encrypt uniformly sized blocks of data.
The answer is:
B. Block


Images can also be encrypted in sentences, 

Decryption is a process to unveil the ______Decryption is a process to unveil the ______.
The answer is:
B. Secured data


Symmetric encryption gathers plaintext data and then shuffles it to make it unreadableSymmetric encryption gathers plaintext data and then shuffles it to make it unreadable.
The answer is:
A. True


You are supposed to use hill cipher for encryption technique. You are provided with the following matrix,You are supposed to use hill cipher for encryption technique. You are provided with the following matrix, A = [ 4 2 2 1 ] Is the given matrix 'A', a valid key to be used for encryption?
The answer is:
B. No


You are supposed to use hill cipher for encryption technique. You are provided with the following matrix, A = [ 4 2 2 1 ] Is the given matrix 'A', a valid key to be used for encryption?You are supposed to use hill cipher for encryption technique. You are provided with the following matrix, A = [ 4 2 2 1 ] Is the given matrix 'A', a valid key to be used for encryption?
The answer is:
B. No

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