Question

Cipher Block Chaining (CBC) is similar to Electronic Code Book (ECB) but it uses an initialization vector (IV) to add security. True False

Answer 1

The correct answer to the following question will be "True".

Step-by-step explanation:

• The most common heritage authentication mode is the CBC (Common legacy encryption) mode. Implementation around an internal ECB style cipher is simple and easy to understand and marginal.
• An initial value (IV) must be selected at random, even for the CBC function, but this doesn't have to be hidden.

Therefore, the given statement is true.