I was wondering whether in DES,
if we used more than 16 rounds, the security of the message was increased or actually decreased?
(disregarding the decreased speed of execution / computation.)
Thanks in advance!

  • $\begingroup$ @fgrieu thank you for your immediate response! would you care to elaborate on that? $\endgroup$ – solid.py Oct 23 '17 at 18:48
  • $\begingroup$ forget about my comment, sorry $\endgroup$ – fgrieu Oct 23 '17 at 19:18

Short answer, it increases the security.

The fundamental problem with regular DES is the number of bytes used for the key. It is too low to be considered secure* (with the level of computational power it currently exist, it is feasible to brute force through DES encryption).

Try checking out 3DES article on wikipedia for more info on a better implementation of DES:


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