Permuted Choice 2 (PC-2)
| 14 | 17 | 11 | 24 | 1 | 5 | 3 | 28 |
| 15 | 6 | 21 | 10 | 23 | 19 | 12 | 4 |
| 26 | 8 | 16 | 7 | 27 | 20 | 13 | 2 |
| 41 | 52 | 31 | 37 | 47 | 55 | 30 | 40 |
| 51 | 45 | 33 | 48 | 44 | 49 | 39 | 56 |
| 34 | 53 | 46 | 42 | 50 | 36 | 29 | 32 |
This permutation selects the 48-bit subkey for each round from the 56-bit key-schedule state.
Read more about this topic: DES Supplementary Material
Famous quotes containing the word choice:
“People are capable of doing an awful lot when they have no choice and I had no choice. Courage is when you have choices.”
—Terry Anderson, U.S. hostage. International Herald Tribune (Paris, May 6, 1992)