CRYPTOGRAPHY BASICS MCQ

Information Security

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The inverse s-box permutation follows
In the DES algorithm the Round Input is 32 bits, which is expanded to 48 bits via ______________
Using Differential Crypt-analysis, the minimum computations required to decipher the DES algorithm is-
Using SDES, the Plaintext for the Ciphertext 00001111, given that the key is 1111111111 is,
A substitution cipher substitutes one symbol with
An asymmetric-key (or public-key) cipher uses
A straight permutation cipher or a straight P-box has the same number of inputs as
We use Cryptography term to transforming messages to make them secure and immune to
The man-in-the-middle attack can endanger the security of the Diffie-Hellman method if two parties are not
In Asymmetric-Key Cryptography, the two keys, e and d, have a special relationship to
The shift cipher is sometimes referred to as the
The substitutional cipers are
The heart of Data Encryption Standard (DES), is the
DES stands for
The cryptography algorithms (ciphers) are divided into
A substitution cipher replaces one symbol with
The Advanced Encryption Standard (AES), has three different configurations with respect to the number of rounds and
In Cryptography, the original message, before being transformed, is called
In Cryptography, the input bits are rotated to right or left in
Which one is a common software fault tolerant model for safety critical jobs such as flight control software?

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