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

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

View solution

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

View solution

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

View solution

Q. DES 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. AES stands for ________________

View solution

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

View solution

Q. _____________ is another data hiding technique which can be used in conjunction with cryptography for the extra-secure method of protecting data.

View solution

Q. _____________ is hiding of data within data, where we can hide images, text, and other messages within images, videos, music or recording files.

View solution

Q. Steganography follows the concept of security through obscurity.

View solution

Q. The word ________________is a combination of the Greek words ‘steganos’ which means “covered or concealed”, and ‘graphein’ which means “writing”.

View solution

Q. A ________________ tool permits security professional or a hacker to embed hidden data within a carrier file like an image or video which can later be extracted from them.

View solution

Q. Which of the following is not a steganography tool?

View solution

Q. Which of the following is not a steganography tool ?

View solution

Q. The main motive for using steganography is that hackers or other users can hide a secret message behind a ______________

View solution

Q. People will normally think it as a normal/regular file and your secret message will pass on without any _______________

View solution

Q. By using ______________ you can diminish the chance of data leakage.

View solution