TP-DES

N◦
IP P
P
IP
IP P 5
IP =
9 1 4 10 5 7
13 17 3 2 6 11
18 14 15 20 19 21
22 23 8 12 16 24
IP −1=
2 10 9 3 5 11
6 21 1 4 12 22
7 14 15 23 8 13
17 16 18 19 20 24
k C + +

24
7 3
E E =
11 0 1 2 3
234 56
567 89
8 9 10 11 0
S4 8
3S=
03143647
14254750
14254750
25365061
P I CP I CP I
5P I
P I =
9 1 4 10 5 7
13 17 3 2 6 11
18 14 15 20 19 21
22 23 8 12 16 24
P F CP F CP F
6
P F =
3 17 14 2 7
1941291
20 16 13 10 6
18 15 11 8 5
P
P−1=
18 12 6 23 17 11
5 22 16 10 4 21
15 9 3 20 14 8
2 19 13 7 1 24

C+ +
C+ +
C+ +