In The Des Algorithm The 64 Bit Key Input Is Shortened To 56 #45
In the DES algorithm the 64 bit key input is shortened to 56 bits by ignoring every 4th bit.
This multiple choice question (MCQ) is related to the book/course
gs gs124 Introduction Cyber Security.
It can also be found in
gs gs124 Block Ciphers and the Data Encryption Standard - The Data Encryption Standard and Strength - Quiz No.1.