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Constants

Diffusion

A1 A2 A3 A4 A5 A6 A7

A0

1st Round Key

2nd Round Key

1

PHT

_PHT

_PHT

_PHT

PHT

PHT

PHT

PHT

PHT

PHT

PHT

PHT

PHT

PHT

PHT

PHT

PHT

PHT

PHT

PHT

31

29

27

25

23

21

₁₉

17

15

13

11

9

7

₅

₃

T

2nd Round Key

A0 A1 A2 A3 A4 A5 A6 A7

1st Round Key

Constants

A7

Inverse Diffusion

1st Round Key

Constants

2nd Round Key

A0 A1 A2 A3 A4 A5 A6

+

1

IT

IT

IT

IT

IT

IT

IT

IT

IT

IT

IT

IT

IT

IT

IT

IT

IT

IT

IT

IT

31

29

27

25

23

21

19

17

15

13

11

9

7

5

3



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