Q. AES is at least 6-times faster than 3-DES.

View solution

Q. AES stands for ________________

View solution

Q. ____________ carries out all its calculations on bytes rather than using bits and is at least 6-times faster than 3-DES.

View solution

Q. DES stands for ________________

View solution

Q. Data Encryption Standard is implemented using the Feistel Cipher which employs 16 round of Feistel structure.

View solution

Q. Which of the following is not an example of a block cipher?

View solution

Q. The procedure to add bits to the last block is termed as _________________

View solution

Q. In _______________ the plain-text is processed 1-bit at a time & a series of actions is carried out on it for generating one bit of cipher-text.

View solution

Q. In _____________ a sequence of actions is carried out on this block after a block of plain-text bits is chosen for generating a block of cipher-text bits.

View solution

Q. The ________________ has piece of the keyword that has the same length as that of the plaintext.

View solution

Q. ______________ employs a text string as a key that is implemented to do a series of shifts on the plain-text.

View solution

Q. In Playfair cipher, at first, a key table is produced. That key table is a 5 by 5 grid of alphabets which operates as the key to encrypt the plaintext.

View solution

Q. ________________ is a cipher formed out of substitution where for a given key-value the cipher alphabet for every plain text remains fixed all through the encryption procedure.

View solution

Q. _____________ is the concept that tells us about the replacement of every alphabet by another alphabet and the entire series gets ‘shifted’ by some fixed quantity.

View solution

Q. ____________ is a mono-alphabetic encryption code wherein each & every letter of plain-text is replaced by another letter in creating the cipher-text.

View solution

Q. A set of all probable decryption keys are collectively termed as key space.

View solution

Q. In __________________ 2 different keys are implemented for encrypting as well as decrypting that particular information.

View solution

Q. In _____________________ same keys are implemented for encrypting as well as decrypting the information.

View solution

Q. Encryption-decryption in cryptosystem is done in ______ ways.

View solution

Q. A set of all probable decryption keys are collectively termed as ____________

View solution