Multiple choice

How many bits of fixed block of text is used in DES (Data Encryption Standard) algorithm?

  1. 56 bits

  2. 64 bits

  3. 32 bits

  4. 16 bits

  5. None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Yes, DES uses 64 bits block of plain text to convert it in to 64 bits block of cyphertext.

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