Which Of The Following Statements Are Truebr I In The Cbc Mode #187
Which of the following statements are true<br /> i) In the CBC mode, the plaintext block is XORed with previous ciphertext block before encryption<br /> ii) The CTR mode does not require an Initialization Vector<br /> iii) The last block in the CBC mode uses an Initialization Vector<br /> iv) In CBC mode repetitions in plaintext do not show up in ciphertext</p>
This multiple choice question (MCQ) is related to the book/course
gs gs124 Introduction Cyber Security.
It can also be found in
gs gs124 Advanced Encryption Algorithm and Block Cipher Operation - DES Modes of Operation - Quiz No.1.
Which of the following statements are true
i) In the CBC mode, the plaintext block is XORed with previous ciphertext block before encryption
ii) The CTR mode does not require an Initialization Vector
iii) The last block in the CBC mode uses an Initialization Vector
iv) In CBC mode repetitions in plaintext do not show up in ciphertext
i) In the CBC mode, the plaintext block is XORed with previous ciphertext block before encryption
ii) The CTR mode does not require an Initialization Vector
iii) The last block in the CBC mode uses an Initialization Vector
iv) In CBC mode repetitions in plaintext do not show up in ciphertext
iii)
ii) and iv)
All the Statements are true
i) ii) and iv)
