PPT Slide

Overall Block Diagram

Plaintext P

IP

^B0

R

^K0

^B1

R

^K1

^B31

R

^K31, ^K32

^B32

FP

Ciphertext C

Encryption

Decryption

? Inverse Operation (IR, IIP, IFP, IS,ILT)

? Reverse order (key, S-boxes)

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