1
$\begingroup$

I hope somebody can help me to find out how DES P box has designed. I am doing DES by hand so I want to know how these numbers are arranged?

$\endgroup$
3
  • $\begingroup$ Did you have a look at this question / answer? It does seem to contain some references in the question. $\endgroup$
    – Maarten Bodewes
    Commented Nov 1, 2019 at 14:49
  • $\begingroup$ I want know how elements of PC-2 are selected. I have seen the answer in stackoverflow.com/questions/21717596/… $\endgroup$ Commented Nov 2, 2019 at 13:33
  • $\begingroup$ but how key tab b and key tab s is created is still not clear to me $\endgroup$ Commented Nov 2, 2019 at 13:40

0

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge you have read our privacy policy.

Browse other questions tagged or ask your own question.