In the DES algorithm the Round Input is 32 bits, which is expanded to 48 bits via ____________a.Scaling of the existing bitsb.Addition of onesc. Duplication of the existing bitsd.Addition of zeros
Question
In the DES algorithm the Round Input is 32 bits, which is expanded to 48 bits via ____________a.Scaling of the existing bitsb.Addition of onesc. Duplication of the existing bitsd.Addition of zeros
Solution
In the Data Encryption Standard (DES) algorithm, the round input is expanded from 32 bits to 48 bits through the process of duplication of the existing bits. So, the correct answer is c. Duplication of the existing bits.
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